No, It Doesn't Take Glock Mags...and Sometimes That's Better

Published on July 9, 2020
Duration: 10:13

This video delves into why not all firearms should use Glock magazines, despite the cost-saving appeal. It highlights the engineering trade-offs, such as polymer magazine width impacting grip and single-feed designs increasing friction. The discussion also covers ergonomic challenges when adapting Glock mags to AR-15 platforms and the inherent reliability benefits of curved over long, straight magazines.

Quick Summary

Glock magazines are wider due to polymer construction, impacting grip ergonomics. Their single-feed design increases friction compared to double-feed systems. Adapting them to AR-15s creates ergonomic issues, and long, straight magazines are less reliable than curved ones.

Chapters

  1. 00:00The 'Glock Mag' Question & Trade-offs
  2. 01:13Material, Width, and Grip Impact
  3. 01:55Single-Feed vs. Double-Feed Systems
  4. 04:31Ergonomics: Glock Mags in AR-15s
  5. 06:15Hybrid & Proprietary Magazine Solutions
  6. 07:15Reliability: Curved vs. Straight Mags

Frequently Asked Questions

Why is Glock magazine compatibility often a desired feature in new firearms?

Glock magazine compatibility is sought after primarily for cost savings, as Glock magazines are widely available and relatively inexpensive. This allows users to potentially use existing magazines across multiple firearm platforms, simplifying logistics and reducing overall expenditure on ammunition feeding devices.

What are the main engineering drawbacks of using polymer Glock magazines?

Polymer Glock magazines require thicker walls than steel ones, making them about 12% wider. This increased width can negatively impact the firearm's grip ergonomics. Additionally, their single-feed design, while simpler for bolt construction, can lead to increased internal friction compared to double-feed systems.

How does using Glock magazines affect AR-15 platform ergonomics?

Adapting Glock magazines to AR-15 style receivers often creates ergonomic issues. The magazine catch and bolt hold-open mechanisms are designed for different magazine geometries, necessitating complex linkages and potentially compromising the natural handling and operation of the rifle.

Are long, straight magazines less reliable than curved ones?

Yes, long and straight magazines are inherently less reliable than curved ones. Even cartridges designed to be straight-cased, like .30 Carbine, benefit from the geometric advantages provided by the curvature in a 30-round magazine, which aids in consistent feeding.

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