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Glock Pistols

Glock Pistols

Product ID# 106DVD

Glock Semi-Auto Pistols

Master Gunsmith Robert Dunlap uses a rare Original Factory Cutaway pistol to reveal the intricate inner works of this revolutionary pistol design. The total disassembly and reassembly of this pistol can be intimidating. AGI shows you how step by step. This course is applicable to all models of the Glock even the new compact models 26 & 27. In addition to proper maintenance techniques, you will also learn how to make this great pistol even more reliable.

Bob Dunlap understands the design, function, and repair of Gaston Glocks masterpiece, the modern polymer frame semi-auto pistol, as well or better than anyone else alive does today. Using his famously inimitable style, and a factory cut-away gun, Bob shows you what the parts do and how they do it, even those that you cannot normally see. If you want the quick course on how to get the Worlds First Successful Plastic Gun apart, back together, and operating as 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:


  • Discussion of the basic characteristics of the pistol, including the frenzied but erroneous media clamor that it was a plastic gun invisible to airport scanners
  • Use of the SIG designed single lug lock-up and the use of the slight amount of barrel bind to tighten lock-up and improve accuracy
  • Advantages of the polymer grip frame
    Dr. Gaston Glock designed the polymer frame and the gun was designed for the Swiss Army competition for a new standard pistol
  • Unique when accepted for production, but many similar designs have and will follow


Design & Function

  • A look at the early and later plastic boxes and accessories which arrived with the pistol
  • Early and later magazine differences
  • Explanation and demonstration of the Safe Action operation of the striker and striker block
  • What causes the striker block to lift
  • What causes the trigger pull to increase at the end of its stroke, and why
  • How the cam lock system works, viewed from both sides
  • A demonstration of the barrel unlocking and relocking in its recess in the slide
  • A clear explanation and demonstration of how the camming surfaces and locking block combine to drop the barrel out of battery, and cause it to return
  • Loading, extraction, and ejection cycle shown
  • How the striker block and the trigger prevent the gun from firing, no matter how hard it falls on the rear of the slide
  • Why the gun is so safe without a manual safety


  • Extensive disassembly, including the invaluable and time saving advice as to where to be careful to avoid launching small springs and plungers into Never Never Land
  • How the striker is retained
  • Why the extractor operates so well, good design
  • How the lighter and heavier (New York) triggers work, and why
  • How to smooth up the trigger pull
  • How to improve feeding
  • How to ensure perfect ejection
  • Why recoil spring coil bind is designed into the system, and how they keep spring breakage as a result from occurring
  • Similarities and minor differences between S&W Sigma and the Glock, and why Bob thinks the Smith has a better trigger design

Cleaning & Lubrication

  • AGI cleaning & lubrication methods shown, along with the reasons for their use


  • Making sure you have no parts left over

Tuning and Accessories

  • How the sights come off and go back on, and how to keep them there
  • The slide is hard, do not try to mill it
  • Extra capacity mags and extensions
  • Mag loaders
  • Wrist support

Final thoughts

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 Glock owner, or someone who intends to be.

Glock Pistols


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