AGI - Products Colt 1911 .45 Auto Pistols

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Colt 1911 .45 Auto Pistols



1911 Colt Auto Pistol

Bob Dunlap understands the design, function, and repair of John Brownings masterpiece, the Colt Government Model of 1911, as well or better than anyone else alive today. If you want the quick course on how to get your gun apart, back together, and operating as Old John intended, then this course is for you (if you want the long course, look into our basic 108 hour Professional Gunsmith Course.)

Among the items covered are:


  • The history of the guns design and acceptance by the US military, and the reasons why the .45 caliber was selected.
  • The evolution from the Model 1911 to the 1911 A1 and their differences.
  • Modern variations of the gun, including the basic Government Model, Commander, Officers Model, Para Ordinance wide body, and the Para Ordinance Compact are shown, and Bob tells you who his favorite of the current builders is.

Design & Function

  • A clear explanation of the short recoil, tipping barrel locking system, and a visual demonstration, using a cut-away gun, of the unlock/lock mechanism in the firing cycle.
  • An explanation and visual demonstration of the operation of the disconnector and its interaction with the sear and trigger to enable the firing cycle and prevent the gun from firing full auto.
  • A demonstration of the operation of the inertial firing pin and explanation of the term inertial.
  • An explanation of how the slide is stopped in its rearward motion by the contact of the rear portion of the spring tunnel with the spring guide rod and its contact with the frame. Relationships are shown and demonstrated.
  • A detailed explanation and visual demonstration of the complete firing cycle of the fire control mechanism.
  • His explanation and demonstration of the function and operation of the grip and thumb safeties.
  • Lock-up is demonstrated, the minimum is discussed and how to achieve it.
  • Frame feeding ramp to barrel ramp jump is shown and the rule for determining the proper amount is discussed. Proper shapes and polishing methods for both are highlighted.
  • Why and how the top edge of the firing pin hole is chamfered.

Disassembly & Reassembly

  • The complete disassembly of gun including the differences between the Series 80 and previous versions.
  • Demonstration and explanation of the AGI non-solvent, non-toxic, cleaning method, and proper lubrication.
  • Proper reassembly technique and order is demonstrated, as well as function tests for proper operation of the safeties.

Potential Trouble Areas

  • Why you should remove the thumb safety prior to removing the mainspring housing and sear spring.
  • How to repair common problems, i.e., grip screw bushing(s) backing out of frame with grip screw, loose plunger tube, loose breech (what is it and how much is acceptable) and why it is bad, follower bind in the magazine, trigger bind in the frame or on the magazine, extractor spring out, how much you need and how to get it, proper shaping of the extractors rim slot and hook, how to properly tighten a loose rear sight, what constitutes proper engagement of the magazine catch and how to get it, proper fit of the firing pin and why you should never use a 9mm, .38 Super, .40 S&W, or 10mm firing pin in a .45 ACP slide.

Bob's "Dos & Don'ts"

  • Finally yet importantly, Bob tells you what accessories he likes and why, and what accessories to avoid for reliability, cost, or tactical reasons. Does an extended combat slide stop make sense? How about a ramped barrel? Look and see what Bob has to say on the subjects.

If you noticed how often the terms "explanation" and "visual demonstration" are used, you may be getting some idea of why this course is necessary for any 1911 owner, or someone who intends to be.

How much does your Professional Course cost? The answer can be found in our intro pack. We recommend to anyone considering our Professional Course that they get the Introduction to Gunsmithing Packet as this packet includes a video with a sample gunsmithing lesson. It also includes an Enrollment Form that lists the costs of each Course level available as well as the material covered in each level.

Do I have to pay $7 s/h on each retail video? No, we discount shipping on multiple video orders. The new website calculates shipping based on weight and destination. In most cases, the actual shipping is less than listed in the catalog.

Is there a time limit to complete your course? No, our course is self-paced. As you complete sections of the course and submit your tests, we provide certification of completion for that portion of the course.

Can I become certified by taking your retail courses? Answers vary. If you are intending to purchase all the videos in our Law Enforcement Armorer's Course, for example, as long as you buy the test separately you can obtain a Certification as a Law Enforcement Armorer once you complete the testing successfully. Otherwise you would need to purchase one of our certified professional courses in order to obtain a profession Gunsmithing certificate.

What does your Professional Gunsmithing Course Introductory Lesson cover?The Introductory Lesson is one hour and includes complete information on how to get started Gunsmithing. You will also learn how to insure reliable auto-pistol feeding and how to prevent jams, checking and adjusting "range" on Smith and Wesson revolvers, how a gas system works on a Colt AR-15, AR-7 trigger repairs, timing and understanding cartridge stops of a Remington 870 and much more! 

Are your Courses guaranteed? Yes! The American Gunsmithing Institute is proud to offer a 100%, "Bulletproof Guarantee." We are so sure of the quality of our Courses and products that you may return any item purchased directly from AGI for a full refund (less shipping) for up to 90 days after purchase date. Defective DVDs and videos will be replaced for up to 1 year. The only question we will ask is: "How did we fail you?"

Does AGI offer other Certified Courses aside from the Professional Gunsmithing Course? Yes. We also offer a Certified Machine Shop Course, complete with Lathe, Mill and general Machine Shop instruction. Additionally AGI offers a Certified Welding Course and a Certified Locksmithing Course.

What do the Disassembly/Reassembly Courses cover? AGI offers D/R Courses that clearly demonstrate the complete process of disassembly and reassembly step-by-step. The Courses use close-up views to provide comprehensive instruction. Each DVD Video Manual covers one specific model or family of firearms and is indexed to help the user quickly find the information that they are looking for. At the price of only $19.97 each (plus s/h), these video manuals are must have support information for anyone who owns one of these firearms.  

What do the Armorer's Courses cover?AGI's Armorer's Courses teach you how to disassemble, maintain, repair and reassemble your choice of the 51 guns featured. These videos are packed with exclusive information and are equal to a complete Factory Armorer's Course! While our Disassembly/Reassembly Courses contain invaluable information, our Armorer's Courses contain so much more. Master Gunsmith and AGI Instructor Robert "Bob" Dunlap explains design and function using exclusive factory cutaway firearm models, giving you close-up details of the internal functions you would not otherwise be able to see. All AGI Armorer's Course DVDs include a FREE printable schematic!    

Are your Instructors experienced in their fields? Absolutely. Master Gunsmith and AGI Senior Instructor Robert "Bob" Dunlap is a widely respected authority in the firearm industry and spent over 35 years as the senior instructor at Lassen College's internationally known Gunsmithing School. Master Gunsmith Gene Shuey is a world class custom gun builder, former world class competitive shooter and current trainer specializing in 1911 and Glock pistols, IPSC limited and open class guns, and high-end custom rifles. Darrell Holland is a well known custom rifle builder, writer and lecturer who is always inventing new performance shooting products. Ken Brooks is a graduate of the renowned Gunsmithing program at Lassen College and continues his journey by working full time for Bob Dunlap. Gene Kelly is the President of AGI and the Gun Club of America. He graduated from Lassen College's Gunsmithing program and worked as a Professional Gunsmith prior to founding AGI. T.R. Graham is a NRA Certified Pistol Instructor and is a known authority, author and Gunsmith specializing in Glocks and other handguns. Master Armorer John Bush is an AGI Instructor and a consultant to manufacturers and importers of military firearms, and is certified as an Expert Witness in firearm cases.

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