Comparing Gen 3 and Gen 4 Glocks

Published on September 20, 2011
Duration: 9:06

This video provides a detailed comparison between Glock Gen 3 and Gen 4 models, highlighting key visual and functional differences. It covers identification marks, recoil systems, magazine releases, grip customization options with the Modular Backstrap System, and magazine compatibility. The content also touches on non-interchangeable parts and aftermarket recoil spring upgrades.

Quick Summary

The easiest way to identify a Glock Gen 4 is the 'Gen 4' marking on the slide. Key differences include a dual-spring recoil system in Gen 4 (vs. single-spring in Gen 3), a larger reversible magazine release on Gen 4, and the Modular Backstrap System for grip customization.

Chapters

  1. 00:00Introduction: Gen 3 vs Gen 4 Glock
  2. 00:47How to Identify Gen 4 Glocks
  3. 01:05Guide Rod & Recoil System Differences
  4. 01:41Magazine Release Comparison
  5. 02:13Grip Customization: Modular Backstraps
  6. 04:45Magazine Compatibility Explained
  7. 05:53Non-Interchangeable Parts
  8. 08:05Aftermarket Recoil Spring Upgrades

Frequently Asked Questions

What is the easiest way to visually identify a Glock Gen 4 pistol?

The most straightforward way to identify a Glock Gen 4 is by looking for the 'Gen 4' marking directly on the slide, usually located next to the model number.

What are the main differences in the recoil system between Glock Gen 3 and Gen 4?

Gen 4 Glocks feature a dual-spring recoil assembly housed in a larger guide rod, designed to reduce felt recoil. Gen 3 models use a simpler, single-spring assembly with a smaller guide rod.

Can Gen 3 and Gen 4 Glock magazines be used interchangeably?

Gen 4 magazines have notches on both sides for the reversible mag catch. Gen 3 magazines only have one notch. While Gen 4 mags work in Gen 3, Gen 3 mags may not function reliably if the Gen 4 catch is reversed.

Does the Glock Gen 4 offer grip customization?

Yes, Gen 4 frames come with a Modular Backstrap System, allowing users to add or remove backstraps to adjust the grip size for a more personalized fit.

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