0 of 547 Questions completed
Questions:
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 547 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
The 1911 pistol was designed by ________.
Which of the following is not a variation of the Model 1911?
The Model 1911 pistol utilizes what type of locking system?
The forward movement of the barrel, after firing the gun, is stopped by ________.
The forward motion of the slide, after firing the pistol, is stopped by the barrel.
The grip safety blocks the ________.
The manual safety (thumb safety) blocks the ________.
After taking the slide off of the frame, during the disassembly process, what part should come off of the frame first after the grips are removed?
If the grip screw bushing screws out with the grip screw, what is the best way to prevent this from happening again (after getting the grip screw out of the bushing itself)?
An oversize grip screw bushing can be used if the original one is damaged.
The thumb safety comes out of the frame in the off position.
What is the maximum amount of loose breech a 1911 pistol can have before it must be fixed?
When the trigger is put back into the frame, a proper fitting trigger bow will move freely under its own weight when held vertically (even when the magazine is inserted).
What gun part correctly positions the extractor both fore and aft and rotationally?
How much spring out should the extractor have?
How much pressure should it take to push a cartridge into firing position with the extractor correctly placed in the slide?
What is the first part to go back into the frame when reassembling the pistol?
If you have less than .025″ barrel to slide lock up, the problem should be corrected.
You can correct the amount of barrel to slide lock up by ________.
What part of the gun can you use to tension the extractor?
If the barrel ramp hangs over the frame, what can occur?
When fitting the barrel ramp, do not cut too deep because you can cause the cartridge to blow out.
What gun part is hit by the trigger and moves the sear out of engagement with the hammer?
What gun part gives the grip safety its tension and also returns it to its resting position when not in use?
The 1911 pistol is a ________.
Though the 1911 is now available in many different calibers, the original round that it was chambered for was the .45 ACP. What does ACP stand for?
The bullet must always still be in the barrel when the gun unlocks.
When the pistol is locked up, how many locking/bearing surfaces are there between the barrel and the slide?
What pulls the barrel down when the gun is cycling?
Besides the frame, what part does the slide stop go through?
The trigger is allowed to move farther rearward by pushing in the grip safety.
If the gun is not closed, what happens to the disconnector?
The disconnector’s engagement with the hammer is what holds the hammer in the cocked position.
What stops the disconnector’s upward travel when the slide returns to battery after the gun is fired and the trigger is still being held to the rear?
The series 80 refers to ________.
The kink in the thumb safety’s spring prevents the spring from shooting out of the plunger tube when the safety is taken out of the frame.
If the magazine was not in the gun, would the slide still lock rearward after the last shot was fired?
Which plunger is smaller, the slide stop plunger or the thumb safety plunger?
An internal extractor on a 1911 acts as its own spring.
On a Kimber 1911, what turns off the firing pin blocking safety?
The magazine follower activates the slide stop.
The relationship of the engagement between the magazine catch and the magazine box should be negative.
The mainspring housing should NEVER be taken out of the frame before taking the thumb safety out of the frame.
The hammer should be cocked or uncocked before you take out the mainspring housing?
What part holds the trigger in the frame?
When reassembling the 1911, the magazine catch must be put into the frame before the trigger.
On a Series 80 pistol, the trigger activates the firing pin blocking safety.
On a Series 80 pistol, what part retains the firing pin blocking plunger?
When putting the trigger back into the frame, the angle of the back of the trigger bow should match the angle of the grip frame.
The sear spring activates three parts, which part below is not one of those three?
The Gold Cup Series 1911 has a part called the sear depressor lever. What does this part do?
On a Kimber 1911, what part must come out in order to get the firing pin blocking plunger out of the slide?
The extractor must be able to hold the cartridge up in place on the breech face.
The extractor’s hook must have a negative angle.
Bending the sear spring’s left leg can give you a lighter trigger pull, but not enough tension on the sear can cause the gun to go full auto.
How is the locking and unlocking action on a Glock pistol, such as the model G17, facilitated?
The trigger safety, located on the trigger itself, is disengaged by…
Which one of the below statements best describes how the trigger safety feature prevents a Glock pistol from firing.
When the trigger on a Glock pistol is pulled rearward, the trigger bar moves…
The firing pin blocking plunger (firing pin safety) is allowed to move downward and out of the way of the firing pin/striker when the trigger is pulled rearward.
What causes the firing pin blocking plunger (firing pin safety) to be pushed into its downward position?
The firing pin safety will allow the firing pin forward enough to hit and discharge the primer of the chambered cartridge, when the tab on the trigger bar has pushed the firing pin safety up and out of the way of the firing pin’s forward travel.
What moves the trigger bar down when the trigger is pulled rearward?
What moves the striker rearward when the trigger is pulled on a Glock pistol?
What occurs when the trigger bar moves down when the trigger is pulled rearward on a Glock pistol?
On the Glock pistol, there is a forward shelf located on the trigger mechanism housing and it can be viewed from the left side of the gun when the slide is off of the receiver/frame. What is this forward shelf used for?
After a Glock pistol is fired and the slide has moved rearward enough to extract and eject the empty cartridge cases, what causes the slide to move forward again and chamber the next live round in the magazine?
The connector on a Glock pistol is also the disconnector.
What happens when rearward traveling slide moves the connector after a Glock pistol is fired?
Is the firing pin spring compressed when the trigger is pulled rearward?
What causes the firing pin of a Glock pistol to move forward when the engagement between the sear surface of the trigger bar and the firing pin tail are released?
The slide stop lever’s spring spring-loads the slide stop lever…
What causes the slide stop to hold the slide back after the last shot has been fired in a Glock pistol?
The Glock’s operation can be classified as a…
The rearward motion of a Glock slide is stopped when…
The Glock magazine is a good magazine catch system and the parts will last a long time because you have a polymer magazine notch on the magazine box and a steel magazine catch.
The slide lock prevents the slide and barrel from moving forward and off of the receiver/frame of a Glock pistol.
The slide lock spring spring-loads the slide lock…
The new style Glock extractors are also the utilized as a loaded chamber indicator.
Other than the extractor itself, which other Glock parts from below help the extractor to extract and eject and empty cartridge case?
What prevents the firing pin and the extractor depressor plunger assembly of the slide from coming out of the slide?
A live round is chambered in a Glock pistol by the forward moving breech face of the slide pushing on the rear of the top cartridge in the magazine, causing the bullet to be guided up the barrel ramp and into the chamber of the barrel as the gun locks up with the extractor hook in front of the rim of the cartridge.
Which of the following answers below are a part of the Glock pistol’s safety designs.
The ejector is a part of the Trigger Mechanism Housing.
Starting with the Generation 3 Glock pistols, a third pin was added to hold and stabilize the locking block in the receiver/frame.
The Glock pistol can be field stripped (taking the slide off of the receiver) without pulling the trigger.
What part of a Glock slide must be moved out of the way in order to take the slide cover plate out of the slide?
When the Glock slide is assembly correctly, the Spring-Loaded Bearing that fits into the Extractor Depressor Plunger Spring is resting on the…
What retains the extractor in a Glock pistol’s slide?
Two spring cups hold the firing pin spring onto the firing pin?
The trigger pin goes through the trigger, the locking block and the slide stop lever when assembled correctly.
The trigger spring connects the trigger bar to the trigger mechanism housing.
When installing the slide lock back into a Glock pistol’s receiver, the slide lock spring should go in first and then the slide lock can slide into the frame from either side, however, you must make sure that the slide lock goes in the correct position because it will spoil some parts if the gun is fired when the slide lock is installed incorrectly. Choose the correct way that the slide stop is to be positioned from the below answers.
Letters connote the various Smith and Wesson frame sizes, such as J, K, L, N & X. Are the J frames smaller or larger than the N frames?
What provides the power or energy to the hammer that enables it to fire the gun?
What gun part pushes the trigger to the forward position?
What part of the gun does the hand touch and push to rotate the cylinder?
What gun part locks the cylinder in place and will not let it revolve?
The hand must hit the ratchet pad before the cylinder stop clears the cylinder.
In double action, what gun part or parts does the trigger hit to force the hammer back?
1. The cylinder stop
2. The sear
3. The hammer itself
4. The hand pin
Besides the safety feature of the hammer making contact with the hump on the rebound slide, what gun part acts as an internal safety?
In single action, the hammer moves the trigger.
When the revolver is at rest, what is the correct position of the hammer block?
What gun part pushes on the center pin and allows the cylinder to swing open?
The center pin is one lock on the firearm; what is the other?
What prevents the hammer from moving rearward if the cylinder is not closed or locked up all of the way?
A “five screw” revolver is an early or late model gun?
The nose of the trigger causes what part to move?
When the trigger is pulled the hand moves up or down?
The hammer should be cocked and resting in the full cock notch in order to take the mainspring out.
You should take out the strain screw before removing the mainspring from the revolver.
What must you do to remove the hammer from the frame?
What limits how far back the rebound slide can go?
What part must be taken off the gun before the bolt is removed?
What does the frame stud (or frame lug) do?
The later model’s extractor rods have a right hand thread.
The fore and aft motion of the cylinder in the frame is called ________.
When putting the bolt back into the frame, the front of the bolt should go in first or last?
Sing is the sound ________.
S&W revolvers should have both left and right sing.
Ranging is ________.
When smoothing and tuning, you are merely taking out the high spots.
Stoning deep through the case hardening is desirable for a safe working and well tuned and smoothed revolver.
Stoning too much in any one area can dramatically change the timing of the firearm.
The Beretta 92 is a ________.
What causes the pistol to unlock?
What stops the rearward movement of the barrel?
The locking block plunger pushes the locking block ________.
A tapered hole in the locking block causes the unlocking action to be activated.
When the pistol is closed, the locking block locks into ________.
What causes the barrel to rise when it moving forward and locking up?
What stops the rearward movement of the slide?
What prevents the barrel from coming off the front of the frame?
When you pull the trigger, the trigger bar moves ________.
When you pull the trigger in double action, what pulls the hammer rearward?
The firing pin blocking lever is activated by what gun part?
On models with a frame mounted safety, the safety blocks the sear.
The firing pin blocking safety ________.
Why is the firing pin hole chamfered?
What activates the slide stop (slide catch)?
The trigger bar is also the disconnector.
What activates and deactivates the disconnecting system?
What retains the firing pin?
The extractor doesn’t always have to extract.
After firing the pistol, what returns the barrel and slide to their forward position?
The takedown latch release button must be pushed before rotating the takedown latch in order to take the slide off of the frame.
When taking out the mainspring (hammer spring) it is best to have the hammer cocked.
The trigger bar spring should come out of the frame before or after the trigger bar itself?
The ejector is held in place by how many pins?
What locks the trigger pin in place?
The ratio of the jump that is needed, from the end of the frame ramp to the beginning of the bottom (or start) of the barrel ramp (measured horizontally) compared to the distance from the end of the frame ramp to the bottom (or start) of the barrel ramp (measured vertically), is ________.
For a left-handed shooter, the serrated end of the magazine catch should be on the left hand side of the gun.
A slave pin is required for installing the trigger and the trigger spring back into the frame.
When pulling the trigger to fire the gun in single action, what pulls the sear out of engagement with the hammer?
The version of the pistol that has the manual safety on the slide (not on the frame), the safety blocks ________.
When the manual safety that is on the slide is turned on, the hammer drops.
Another feature of the manual safety that is located on the slide is that if the hammer falls when the safety is on, the hammer would hit the ________.
The firing pin is shorter than its housing.
In order to disassemble the manual safety that is on the slide, the safety lever must be in the ________.
Which side of the manual safety that is located on the slide must come off first?
When taking the left side of the manual safety that is located on the slide off the slide, why must you use caution?
On the version with the manual safety that is located on the slide, the firing pin locking safety is held in by a cross pin.
The magazine catch is ambidextrous. If it is set up for a right handed shooter (the button is on the left side of the gun), which side of the catch must you push on in order to get it out of the frame?
The grips must be on in order to install the magazine catch back into the frame.
The primary cartridge stop (shell latch) is located ________.
The secondary cartridge stop’s (shell latch) job is to ________.
When the shotgun has been pumped (cocked) and is locked up, but the trigger has not been pulled, the action bar lock will ________.
The action bar lock locks the action bars so that the gun can be pumped freely.
The action bar lock is also a disconnector.
When the gun is locked up (closed), the locking block is locked into what part of the gun?
The locking block rides rearward and frontward on this gun part as the shotgun is pumped.
What forces the carrier (cartridge carrier) up?
What causes the cartridge carrier to move down?
What gun part lives in the recesses cut into the action bars and also allows the bolt to be carried forward and backward?
What prevents the gun from being pumped when the gun is closed (forend all the way forward)?
What causes the action bar lock to be taken out of engagement with the action bar when the gun is fired?
The rear tail of the action bar lock performs what function?
What holds the hammer rearward (cocked) after the shotgun is pumped?
What holds the cartridge carrier down when the gun is locked up and at rest?
If the gun is unlocked, why won’t the gun fire? Choose the two best answers.
1. Because the locking block is pushed down, causing the firing pin to hit the lower inside portion of the bolt if struck
2. Because the trigger is locked by the carrier dog, it can not be pulled rearward
3. Because the action bar lock is pushed down, the carrier’s rise causes the trigger to be disconnected from the sear
4. Because the hammer is pushed down farther into the trigger guard, it breaks its engagement with the sear
What does the manual safety (safety mechanism) block?
In order to take the forend, action bars, breech bolt and slide assembly out of the receiver, you must ________.
When the gun is locked up, the locking block and the slide assembly rest flat on flat.
What activates the cartridge stops (shell latches)?
The cartridge stops move ________.
How are the cartridge stops held into the receiver?
When driving out serrated pins, the serrated end comes out first and goes back in last.
The sear pin must come out ________.
When installing the extractor back into the bolt, the spring and plunger go in first. Next the extractor itself can be used to push in the spring-loaded plunger and seat the extractor in place.
The firing pin must go in the bolt before the locking block.
The extractor hook must be slightly positive.
If your gun develops headspace, you can ________.
When reassembling the trigger group, be sure that you install the connectors so that the left connector is _________ the action bar lock.
Of the three generations of the S&W auto pistol, which generation is the most reliable?
The S&W auto pistol is a ________.
What causes the barrel to rise and lock up when it is closing?
The barrel lug hitting the cam in the frame causes the barrel to unlock from the slide and the barrel is cammed downward.
The magazine depressor is also the pistol’s ________.
When the magazine is not in the gun, the draw bar cannot pull the hammer back.
What causes the gun to close after it is fired?
Which of the following are jobs of the extractor?
What gun part actually pulls the sear out of engagement with the hammer in single action?
In double action, what gun part pulls the hammer back and then releases it to fire the gun?
What pushes the sear out of the full cock notch of the hammer when the safety is turned to the on position?
In what position is the firing pin safety lever plunger (firing pin safety block) when it blocks the forward movement of the firing pin?
What gun part causes the firing pin safety lever to rotate, thus hitting and turning off the firing pin blocking safety feature (allowing the firing pin to pass by the firing pin lever plunger)?
What does the trigger return spring (drawbar plunger and spring) do, other than returning the trigger (rotating it back/pushing it forward)?
Not including the disconnecting action of the second hump of the hammer striking the drawbar, how many ways can the disconnector be pushed down (disconnecting the disconnector)?
What does the hammer hit when the hammer is dropped by the action of putting the manual safety on?
What returns the magazine catch and its button (nut) after the magazine is released from the frame of the gun?
What activates the slide stop?
A bent sear spring can prevent the sear from catching the full cock notch of the hammer.
What part must come off in order to get the firing pin blocking plunger (firing pin safety lever plunger) out of the slide?
In order to get the hammer out of the frame, the sideplate must come out first.
The sear spring is held in place by ________.
How much spring out should the extractor have?
Filing or stoning away mass from the extractor’s limiting pad will cause the extractor to move in what direction when it is in working position inside of the slide?
If you remove too much mass from the extractor’s limiting pad, the extractor tends to hold the cartridge case too tight and the case will not be ejected.
A negative angle on the extractor’s hook (in relation to the bore) in working position will tend to result in failures to eject.
The correct way to put the drawbar back into the frame is with the trigger play spring pointing down.
The sear should go back into the frame before or after the disconnector goes back into the gun?
How many cartridge stops does the Mossberg 500 have?
What side of the gun is the primary cartridge stop located?
What does the secondary cartridge (cartridge interrupter) stop do?
What makes the secondary cartridge stop (cartridge interrupter) move up and down?
The primary cartridge stop is moved in and out by ________.
What moves the locking block (bolt lock) up and down into the closed or locked up position?
Some versions of the Mossberg 500 do not have firing pin return springs.
When the firearm is locked up and the locking block (bolt lock) move up, where does it lock into?
What gun part locks the bolt and bolt slide into position when the gun is locked up and ready to fire?
The 500 has two extractors; which one of the extractors has a negative hook?
When the gun is closed or locked up, the elevator is down.
What causes the elevator to rise and fall?
What part moves the sear out of engagement with the hammer when the trigger is pulled?
When the hammer is dropped, what happens to the action lock?
When the gun is partially open (bolt assembly slightly rearward), what prevents the hammer from dropping when the trigger is pulled?
The cartridge stops are staked into position inside of the receiver.
When disassembling the receiver, the elevator must come out before the bolt slide.
The safety must be in the on position in order to take the elevator out of the receiver.
How does the magazine tube come out of the receiver?
The pins that hold the extractors in place are the exact same size.
Loctite should be used when installing the ejector and its screw back into the receiver.
The two extractors should spring out a total of ________.
Positive firing pin protrusion is defined as ________.
Mossberg’s spec for positive protrusion is ________.
When installing the sear back into the trigger housing, the notch should ________.
A special tool must be used to install what gun parts?
The cartridge stops go into the receiver before or after the trigger housing?
What is the unique feature in the Sig’s locking system that accounts for the pistol’s consistent accuracy?
What type of locking system best describes the system used in the Sig design?
What gun part activates the safety lever, which in turn activates the firing pin blocking safety (safety lock)?
When the trigger is pulled, the firing pin blocking safety (safety lock) moves down and will not let the firing pin forward.
Though the Sig does not have a manual safety, it does have three passive (or automatic) safeties.
The decocking lever pushes what gun part out of the way in order to drop the hammer?
When the pistol is decocked, what two safeties are activated?
1. No safeties are activated
2. The firing pin blocking safety (safety lock)
3. The thumb safety
4. The sear safety notch safety
What part of the gun pushes on the cartridge to feed the round into the chamber?
Polishing the sharp edges of the barrel’s ramp can help to reduce jamming caused by the cartridge’s sharp case mouth.
What stops the rearward motion of the slide?
After the magazine is taken out of the gun, how far does the takedown lever need to rotate to allow the slide to come off of the frame?
The serrated pin (firing pin retaining pin or firing pin positioning pin) that holds the firing pin in place drives out from left to right.
After the firing pin retaining pin (firing pin positioning pin) is driven out what part must come out next in order to get the firing pin out of the slide?
In order to take the locking insert (locking block) out of the frame, what part must come out first?
The notches in the trigger pivot pin must face in what direction to allow the locking insert (locking block) to go back into the frame properly?
What part provides tension (or energy) to the hammer?
What does the hammer reset spring (rebound spring) actually do?
What is the difference in the American and European style magazine catches?
The main difference in early and later Sig pistols is in the slide. What is this difference?
Which of the following should an extractor should be able to do?
1. The extractor should be pushed slightly out to the right when a cartridge slides into place
2. It should be able to hold the extracted case up in the slide face
3. It should be able to snap over a rim of a cartridge
4. It should be able to leap a tall building in a single bound
You should always use new roll pins when reassembling the breech block (insert) into the slide if the firearm will be used for defensive/offensive purposes.
The extractor spring and the extractor pin (or plunger) must go in after the extractor is installed in the slide.
When reassembling the slide, the firing pin blocking safety (safety lock) goes into the slide before the firing pin does.
What direction must the serrated firing pin retaining pin (firing pin positive pin) be driven in from?
The magazine catch can be ambidextrous. Which side of the frame would the button of the magazine catch be on for a left handed shooter?
What two parts hold the decocking lever bearing (or plate) in place?
1. It retains itself
2. The decocking lever (hammer drop lever)
3. The ejector
4. The decocking lever spring (hammer drop spring)
5. The sear
The Sig pistol has both double action and single action.
Springfield Armory imports the XD/XDM pistol from what country?
What type of locking system does the XD/XDM pistol utilize?
After firing the gun, the slide and barrel move rearward together for a short distance.
What causes the barrel to unlock from the slide?
When the slide is moving rearward and the extractor has done its job, what gun part causes the cartridge or cartridge case to be ejected from the firearm?
What stops the rearward motion of the slide?
When the rearward motion of the slide stops, the recoil spring coil binds.
For the XD models, the trigger must be pulled to take the slide off of the frame.
When the slide moves forward and the gun locks up, what causes the barrel to move up slightly just before the barrel’s movement stops?
What gun part does the grip safety block?
Some of the new models of XD pistols have manual thumb safeties. The older models do not have thumb type safeties. Excluding the thumb safety, how many safety features are found on the XD pistol (including the trigger bar/disconnector)?
When the trigger is pulled the trigger bar moves ________.
The sear system on the XD/XDM pistol is ________.
What activates the slide stop?
What part detents the takedown lever (disassembly lever)?
What causes the slide stop to be deactivated?
What stops the forward movement of the striker when the gun is fired?
The striker status indicator also provides good support to the striker spring guide.
What causes the loaded chamber indicator to rise up?
What gun part holds the extractor in place?
The trigger bar pushes on what gun part to move the sear out of engagement with the striker?
What gun part pushes on the striker safety (firing pin blocking safety) to deactivate it?
The grip safety prevents the hammer from hitting the striker unless the grip safety is held in.
The striker retainer pin must go all the way into the slide before the striker goes into the slide.
The magazine release button must go into the frame before the magazine catch.
Three slave pins should be used to reassemble the frame. These slave pins must be the exact same size as the original pins.
The ejector is held in place by how many pins?
The sear spring must go under which pin to give it tension?
The slide stop lever spring must be on top of the slide stop lever to give it tension.
Which rear sight has serrations on it?
The takedown lever on the XDM pistol is visible on the right side of the frame, just like the XD pistol.
How many notches does the XDM pistol have for its rail system?
The maximum reach magazine release, which makes the button easier to access, is found on which pistol?
The XDM pistol offers how many different sized back straps?
Which model of pistol has a match grade barrel?
Another feature that is different between the XDM pistol and the XD pistol is the grip design.
The distance for the reset of the trigger on the XDM pistol is ________.
What is the magazine capacity for an XDM pistol that is chambered for .40 S&W (not in California)?
Just like the XD pistol, the trigger must be pulled to take the slide off of the frame on the XDM pistol.
The recoil spring assembly on the XDM pistol is ________.
What part of the XDM pistol is held down when the takedown lever (disassembly lever) is in the upward position and the slide is pulled rearward (when field stripping)?
There are two springs in the XDM pistol that are not found in the XD pistol, what are they?
1. The disassembly lever spring
2. The striker safety lever spring
3. The sear spring
4. The trigger bar spring
5. The slide stop lever spring
The XDM pistol has an additional part inside of the gun that the XD does not have; it is called the disassembly bar.
The peg on the takedown lever (disassembly lever) of the XDM pistol has two functions. What are they?
1. To push the spring that detents the take down lever (disassembly lever) down
2. To stabilize the trigger’s pivoting motion
3. To activate the disassembly bar
The Ruger’s cylinder locks ________.
The Ruger’s double action feels smooth because ________.
In single action, as the hammer is pulled rearward it moves what gun part to cock the gun?
If the hammer doesn’t actually hit the firing pin, how does the gun fire?
When the trigger is pulled, what part hits the ratchet pads to make the cylinder rotate?
What determines how far the cylinder will be rotated?
The length of the hand (pawl) determines when the cylinder will start to rotate.
What part prevents the cylinder from rotating freely when the gun is at rest or when it is ready to be fired?
Looking from the shooter’s perspective, what direction does the cylinder rotate when the trigger is pulled?
What would a wider hand (pawl) do?
What holds the crane tight against the frame?
What provides power to the hammer?
The nose of the hammer is the firing pin.
The trigger guard is held in place by a plunger.
What holds the firing pin in place?
What causes the hand (pawl) to move? (Select the best or most complete answer.)
The revolver could fire without the transfer bar by simply pulling the trigger.
The spring and plunger for the cylinder stop (cylinder latch) spring loads the cylinder stop (cylinder latch) ________.
The crane has two balls that retain the cylinder.
The center pin system utilizes a ________.
The trigger is also the sear.
The hand (pawl) is not spring loaded.
The cylinder must go into the frame before the trigger guard assembly.
What is the slave pin that is supplied by Ruger used for?
All Models of the S&W M&P pistols have thumb safeties.
M&P stands for ________.
The M&P pistol utilizes a ________.
The steel insert in the frame acts as a ________.
The barrel and slide move rearward together for a short distance after the gun is fired.
What turns off the firing pin blocking safety?
What gun part moves out of engagement with the striker, causing the striker to move forward and hit the primer when the trigger is pulled?
What could cause a low feed situation when multiple shots are fired quickly (rapid fire)?
What does the shoulder on the extractor do?
Like other striker fired guns, the M&P’s trigger must be pulled before taking the slide off of the frame.
The trigger safety engages what gun part and prevents it from moving, thus preventing the gun from being fired unless the finger is pulling the trigger?
The trigger return spring pulls the trigger bar ________.
What disconnects the trigger bar from the sear?
What part moves the slide stop up when the magazine is empty?
The manual thumb safety blocks what gun part?
How many different parts make up the magazine?
In order to take the slide off of the frame, the slide must be pulled rearward and the takedown lever must be pulled ________.
The recoil spring coil binds.
The extractor is held in place ________.
What gun part must come off in order to get the firing pin blocking safety out of the slide?
Three parts comprise the firing pin blocking safety.
The Teflon/plastic striker sleeve has recesses cut in it for what purpose?
Three pins get driven out of the frame during disassembly. Which pin has a head on it?
What holds the ejector in place?
What part or parts make up the system that provides spring tension to the sear and what are they?
1. The sear spring
2. The sear plunger
3. The tensioning arm
4. The tensioning arm and spring
What is the small spring that is found on the locking block (insert)?
The Magazine catch,thumb safety and slide stop are ambidextrous.
The magazine spring pushes the front of the follower ________.
The striker assembly does not have or need a return spring.
A slave pin must be used on what assembly in order for it to go back into the frame?
The locking block (insert) must go into the frame before the trigger assembly.
When putting the takedown lever back into the frame, the notch on the take down lever must be facing down toward the takedown lever spring (retaining wire).
The trigger bar must be put into its position on the fire control system, after the fire control system is fully situated in its position in the frame.
When driving in pins with tapered ends, the tapered end must go in last.
The O ring on the barrel of some of the USP Models ________.
The engagement of the magazine catch to the magazine box is always plastic to metal on the USP pistols.
The slide stops on the ________.
The USP pistol is a ________.
How many locking lugs does the lock up system contain?
The barrel locks and unlocks on what part of the gun?
What pulls the barrel forward when the gun is fired?
The extractor will extract if it has to. What does the majority of the work extracting the case from the chamber when the gun is fired?
What country is the H&K USP made in?
The relationship of the engagement of the magazine catch to the magazine bow should be ________.
The USP is a double action only gun.
When the trigger is pulled the drawbar (trigger bar) moves ________.
If the gun prematurely disconnected, why would it not fire?
What prevents the firing pin from moving forward before the trigger is pulled?
The manual thumb safety (control lever) blocks the ________.
When the hammer is pulled rearward to cock it, what gun part tensions the mainspring (hammer strut spring)?
The manual thumb safety (control lever) is also a ________.
What pushes the disconnector down?
What does the disconnector push down?
The trigger must be pulled before taking the slide off of the frame.
When disassembling the slide, two pins must come out of the slide to take out the extractor and the firing pin. These pins should be driven out
Like many slides, the rear sight must be driven out in order to take out the firing pin block.
How many different parts does the magazine consist of?
How many special tools are needed to reassemble all the parts back into the frame?
The roll pin that is used to hold the extractor in the slide has a tapered end. Which end must be driven in first?
When installing the firing pin into the slide, you must ________.
The hammer strut is also part of the hammer rebound system.
The hammer strut goes into the frame with the hammer strut’s long end towards the ______.
The safety (control lever) must go into the frame before the disconnector.
The AR-15 was designed by ________.
The front sight is held on by ________.
How is the gas tube retained in the front sight?
What gun part is attached to the top of the bolt and accepts the gas from the rear end of the gas tube?
What holds the firing pin in place inside of the bolt?
The gas from the fired cartridge exits the barrel and ________.
What causes the bolt to rotate in the bolt carrier?
What prevents the cam pin from rotating in the bolt carrier?
What pushes the hammer rearward after the gun is fired?
The secondary sear system’s engagement is the contact between the hammer and
The engagement of the hammer and the trigger best describe ________.
The disconnector is also the secondary sear.
In the following scenario, the gun has been fired, the bolt has returned forward into its locked up position and the trigger is still pulled, which sear system is holding the hammer rearward?
If the gun is at rest with the finger off of the trigger, the hammer is cocked and there is a round in the chamber, which sear system is holding the hammer rearward?
The rear lips of the magazine box are what activates the bolt stop on the last round in the magazine.
The bolt catch will hold the bolt carrier assembly rearward after the last shot has been fired.
With the magazine out of the receiver, the bolt will still be held rearward after a shot has been fired.
What controls the cyclic rate of the AR-15/M16 in full auto?
The receiver extension houses the ________.
What holds the upper receiver onto the lower receiver?
By making which part heavier will cause the cyclic rate to be slower in full auto?
If the dust cover is closed and the gun is fired, the bolt carrier causes the dust cover to open
The safeties on the full auto and the semi-auto versions of the rifle are identical.
If the bolt was stuck slightly rearward for whatever reason, what part was designed to help you to move the bolt forward into the locked up position
What must you do in order to take the hand guard off of the gun?
Caution must be used when you take the pistol grip off so that you don’t lose which parts?
Caution must be used when you take the butt stock off so that you don’t lose which parts?
With a solid A1/A2 style butt stock (non-collapsible), which screw holds the stock onto the receiver extension?
The takedown pin detent’s ends are always identical.
The wings of the charging handle fit into the recesses cut into the inside of the receiver.
The forward assist is held in by a roll pin.
Lead bullets can clog up the gas tube.
The barrel and the gas tube come off of the receiver all in one piece.
What part pushes the barrel into the receiver and holds it there?
The hammer should be cocked or uncocked when you drive out the hammer pin?
What holds the buffer retainer and the buffer retainer spring down into the receiver?
How does the magazine catch come out of the receiver?
The bolt catch is held in the receiver by one roll pin.
The bottom of the trigger guard opens for what purpose?
The bottom latch on the trigger guard can be opened with a 5.56 mm cartridge.
The carrier key is machined to be integral with the bolt carrier and cannot be taken apart.
The firing pin retaining pin is merely a cotter key (or pin) and can be easily replaced with any other cotter pin as long as it is the same length and diameter
The bolt needs to come out of the bolt carrier before the cam pin does.
How many gas rings are on the bolt?
Short cycling can occur if the gas rings are too loose.
The ejector and the extractor are held in place in/on the bolt by the same roll pin.
The ejector is spring loaded.
When reassembling the bolt carrier assembly, the firing pin must go into the bolt before the cam pin does.
Bob Dunlap’s spec for firing pin protrusion is between ________.
The trigger pin goes through the trigger and the ________.
The groove in the takedown pin should face what direction when it goes back into the receiver?
When putting the gas tube back in the upper receiver, which end does the gas tube need to go into first?
The side of the gas tube that is plugged must reside in the receiver.
The Mini-14 closely resembles what other rifle design?
If need be, what other type of magazine can be used in the Mini-14 with some modifications?
What cocks the hammer when the gun is cycled?
How many lugs (or wings) does the bolt have on it?
The Mini-14 has a two-stage trigger pull.
If the gun is fired and the trigger is still being held rearward by the shooter’s finger, what holds the hammer back?
If a round has been chambered and the gun is at rest (the shooter does not have his/her finger on the trigger) what is holding the hammer in the rearward/cocked position?
If the gun is not locked (even if the bolt is closed), what prevents the gun from being fired?
The extractor’s spring and plunger is located ________.
What retains the firing pin inside of the bolt?
What propels the extractor into working position?
What is the plunger located on the front of the bolt face called?
The extractor pivots off of the extractor tail, which fits into a hole in the bottom of the bolt.
What does Ruger call the nozzle that is attached to the gas block?
What is the function of the above-mentioned nozzle?
What holds the action bar assembly (slide) in alignment?
The Mini-14 can be fired indefinitely without the stock.
What holds the magazine in place?
What activates the bolt stop (or lock)?
The bolt lock can only be activated manually by your finger.
What pushes the action bar (slide) rearward when the gun is fired?
What causes the bolt to rotate when the gun is fired and also when it returns to the locked position?
The bullet must always still be in the barrel when the gun unlocks and the bolt rotates.
The rear sight can be adjusted for both windage and elevation.
The secondary sear system has its own spring.
Which of the statements below best describes the safety on the Mini-14?
The hammer can actually hit and rotate the bolt into locked up position and fire the gun if for whatever reason the bolt wasn’t completely locked up.
The front set of lips on the magazine guides the cartridge into battery.
When disassembling the Mini-14, what comes off of the gun first?
What holds the gas block onto the barrel?
What would happen if the gas block (and the gas port bushing) does not go back in the correct position over the orifice on the barrel?
If the gun is getting too much gas into its gas system, it will leave an empty in the chamber.
When disassembling the bolt, what part must come out first?
The firing pin comes out the front or back of the bolt?
What retains the extractor so that it can’t come out of the bolt?
The mainspring must be captivated in order to take the trigger assembly apart.
The hammer pivot pin also holds what part in place?
The trigger and the sear system come out of the trigger group as one assembly.
The sear system and the trigger are all one piece and cannot be disassembled any further
On the Mini-14, the extractor is a restricted part.
A slave pin must be used to assemble what part?
The action spring (recoil spring) acts as the spring for the magazine latch (the forward most magazine catch).
When putting the bolt back into the receiver, the firing pin must be all of the way
Are the components from the .40 S&W MP5 interchangeable with the 9mm version of the MP5?
The MP5’s country of origin is ________.
What type of system does the MP5 utilize?
The selector has three positions. What does the S, E, and F represent? (Choose the best answer from below.)
In the three round burst mode, each time that the trigger is pulled and reset, the next time that you pull the trigger you will be able to fire another three round burst, even if you only fired two shots in the previous burst.
What causes the hammer to fall on your second and third shot when the MP5 is selected to the three burst mode?
What catches the hammer to hold it rearward when the action cycles in semi auto mode?
The safety selector blocks the tail of the trigger when in the safe position.
How many notches does the hammer in the full auto trigger pack have in it?
When the selector is in full auto mode, it allows the tail of the trigger to move ________.
The MP5 is hammer fired, so when the gun is in full auto mode and the trigger is pulled rearward, the sear is not engaging the notch in the hammer. What holds the hammer rearward (preventing hammer follow down)?
In a “Burst Pack,” what prevents the counting wheel from rotating counterclockwise (back to its start point) during a three round burst?
The counting wheel moves the sear release latch after the third shot of a burst for what purpose?
What locks up the gun?
What activates the ejector upward?
The rollers are part of the system that delays the locking system from opening until pressures from the fired cartridge have safely dissipated.
There are two long recesses cut into both sides of the receiver that the rollers travel in during the bolts rearward travel.
Locking pieces from suppressed and standard unsuppressed MP5’s cannot be interchanged and can be dangerous to do so!
The extractor is a pivoting type of extractor and it acts as its own spring.
Unless you are trying to launch the butt stock across the room, what must you make sure of before removing the butt stock from the receiver?
What must come off of the gun before the bolt assembly can come out of the receiver?
What holds the cap (located under the front sight) onto the gun?
When disassembling the gun, the roll pin for the cocking handle should be driven from ________.
When in working position, the paddle portion of the thumb release for the magazine should face towards the rear of the receiver.
The recoil spring and guide rod are a semi-permanent installation and should only be taken apart when absolutely necessary.
The locking rollers should never come out of the bolt head because you may not get them back in without the use of an arbor press.
A standard right handed three position trigger pack’s selector lever has to be in what position in order to come out of the trigger group?
The “axle” that holds the ejector into the trigger group ________.
What disassembly process is really made easier if a special tool is involved?
What holds the extractor in place?
As wear occurs in the barrel extension and the locking rollers, what part can be replaced in oversized (and undersized) dimensions to compensate for the wear?
There is a stud on the right inside lower rear of the trigger group. What is that stud’s purpose?
The sear must go into the trigger group before the trigger itself.
The full auto catch must go in the trigger group before the release lever is installed.
There are two holes in the back of the trigger group, a larger one and a smaller one. Which hole does the hammer strut go through when it is in working position?
The ejector spring spring-loads the ejector up in the rear and down in the front when the bolt is closed and locked up.
The selector lever is what holds the trigger group into the housing.
When reinstalling the magazine catch, ________.
The gap between the bolt head and the bolt carrier in locked up position should be between ________.
One front pin secures the trigger pack into the receiver.
The small angled portion of the magazine follower goes toward ________.
When putting a stop latch back into one of the smaller three position trigger packs, the spring is positioned so that ________.
What part makes it especially difficult to get the counting wheel back in the trigger housing?
On the smaller trigger packs, the installation of what part can be greatly simplified with a special tool?