Glock 20 Gen 4 vs Gen 3

Published on March 18, 2022
Duration: 19:33

This review by hickok45 compares the Glock 20 Gen 3 and Gen 4 in 10mm Auto. While the Gen 4 features ergonomic upgrades like interchangeable backstraps and a revised grip texture, the primary internal change is a dual recoil spring assembly intended to reduce felt recoil. Testing with both standard and heavy 10mm loads revealed that the recoil reduction in the Gen 4 is subtle, with external factors like aftermarket grip enhancements often having a more noticeable impact on perceived recoil than the internal spring system difference.

Quick Summary

The Glock 20 Gen 4 offers ergonomic upgrades like interchangeable backstraps and a reversible magazine release over the Gen 3. Its dual recoil spring system provides a subtle reduction in 10mm felt recoil, though this difference is minimal with standard loads and less impactful than aftermarket grip enhancements.

Chapters

  1. 00:00Introduction: Dual Wielding Gen 3 & Gen 4
  2. 00:54Feature Comparison: Grip, Texture, Mag Release, Springs
  3. 02:24Range Test: Standard Ammo Recoil
  4. 06:46Range Test: Heavy Hunting Ammo Recoil
  5. 11:54Internal Inspection & Final Verdict

Frequently Asked Questions

What are the main differences between the Glock 20 Gen 3 and Gen 4?

The Glock 20 Gen 4 features interchangeable backstraps for customizable grip size, a rougher RTF grip texture, and a reversible magazine release. Internally, it utilizes a dual recoil spring assembly, unlike the Gen 3's single spring.

Does the Glock 20 Gen 4 significantly reduce 10mm recoil compared to the Gen 3?

Testing indicates the recoil reduction from the Gen 4's dual recoil spring system is subtle. While present, especially with heavy loads, the difference is often minimal and can be overshadowed by grip enhancements or individual shooter perception.

Is the Glock 20 Gen 4 a worthwhile upgrade for Gen 3 owners?

For existing Glock 20 Gen 3 owners, the Gen 4 is not considered a 'game changer' solely based on recoil reduction. The ergonomic improvements are the primary benefit, making it a good option if those features are desired.

What type of ammunition was used to test the Glock 20 generations?

The comparison utilized both standard 10mm Auto range ammunition, such as 180-grain Federal American Eagle, and heavier hunting loads, including Federal Trophy Bonded and Underwood ammunition, to assess recoil differences across various pressure levels.

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