Gen 3 VS Gen 5

Published on January 17, 2026
Duration: 1:26

This expert-level comparison, presented by a firearms instructor from Gun For Hire Range, details the key differences between Glock Gen 3 and Gen 5 pistols. It highlights Gen 5 improvements like ambidextrous controls, enhanced modularity (e.g., slide/frame swaps), a tapered slide for easier holstering, removal of finger grooves, a flared magwell for faster reloads, and front slide serrations. The instructor also touches on recoil assembly differences and personal preferences, offering valuable insights for firearm enthusiasts.

Quick Summary

The Glock Gen 5 offers significant ergonomic and functional upgrades over the Gen 3, including ambidextrous slide releases, a flared magwell for faster reloads, and a tapered slide for easier holstering. It also removes finger grooves and adds front serrations for improved handling and press checks.

Chapters

  1. 00:00Introduction: Gen 3 vs Gen 5
  2. 00:01Ambidextrous Controls on Gen 5
  3. 00:08Gen 5 Modularity: Slide/Frame Swaps
  4. 00:17Slide Design: Tapered vs. Square
  5. 00:24Grip & Magwell Differences
  6. 00:36Recoil Assemblies: Gen 3 vs. Gen 4/5
  7. 00:56Front Serrations on Gen 5
  8. 01:03Personal Preferences & Favorites

Frequently Asked Questions

What are the main ergonomic advantages of the Glock Gen 5 over the Gen 3?

The Glock Gen 5 features a flared magwell for faster reloads and removes finger grooves for a more comfortable grip for a wider range of users. The Gen 3 typically has finger grooves and a standard magwell, often requiring aftermarket modifications for similar benefits.

Can Glock Gen 3 recoil assemblies be used in Gen 5 pistols?

While Gen 4 and Gen 5 models feature larger recoil assemblies, it is possible to adapt Gen 3 recoil assemblies for use in newer generations, though this typically requires internal modifications.

How does the slide design differ between Glock Gen 3 and Gen 5?

The Glock Gen 5 slide has a tapered front end, which makes it easier to re-holster the firearm compared to the more squared-off front of the Gen 3 slide.

What modularity features does the Glock Gen 5 offer?

The Gen 5 enhances modularity by allowing users to combine slides and frames from different models, such as fitting a Glock 47 slide onto a Glock 19 frame, potentially improving ballistics and sight radius.

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