Hands-On The NEW 15RD Glock 43X Magazine

Published on April 24, 2026
Duration: 10:09

This guide details the disassembly and reassembly of the new 15-round Glock 43X magazine. It highlights the difficulty of disassembly due to a stout spring and recommends a specialized tool. The reassembly process emphasizes correctly seating the spring and base plate, noting the need to nose the base plate in first.

Quick Summary

The new 15-round Glock 43X magazine is a double-stack metal body design, contrasting with the original 10-round single-stack polymer. Disassembly is more difficult due to a stout spring, requiring a specialized tool. It's compatible with aftermarket magazine releases and features a slightly taller profile with a larger base plate.

Chapters

  1. 00:00Introduction to Glock 43X and New Magazine
  2. 00:44Comparing 10-Round vs. 15-Round Magazines
  3. 01:12Physical Characteristics of the 15-Round Magazine
  4. 01:32Magazine Ejection and Notches
  5. 01:50Disassembling the 15-Round Magazine
  6. 03:54Reassembling the 15-Round Magazine
  7. 04:53Base Plate Installation Trick
  8. 06:47Magazine Catch Compatibility
  9. 07:57Plus-Three Magazine Extension Preview
  10. 08:20Loading the Magazine with Dummy Rounds
  11. 09:03Final Comparison: 15-Round vs. 18-Round
  12. 09:25Availability and Shipping Information
  13. 09:29Visit GlockStore Nashville

Frequently Asked Questions

What are the key differences between the Glock 43X 10-round and 15-round magazines?

The 10-round magazine is a single-stack polymer design, while the new 15-round magazine is a double-stack metal body. The 15-round version is slightly taller and features a larger base plate.

Is it difficult to disassemble the 15-round Glock 43X magazine?

Yes, disassembling the 15-round magazine is more difficult than the 10-round version due to a stout spring. A dedicated magazine disassembly tool is highly recommended to make the process manageable.

Can the 15-round Glock 43X magazine be used with aftermarket magazine releases?

Yes, the 15-round magazine is designed with a beveled notch that allows it to work with both the standard polymer magazine release and aftermarket aluminum releases without causing damage.

How do you reassemble the 15-round Glock 43X magazine correctly?

When reassembling, ensure the spring is inside the half-moon ridge of the insert plate. The base plate must be 'nosed' in first, with the spring and post properly seated, before pressing it fully on.

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