Add 3 rounds to your Glock 43X Shield Arms S15 Magazine

Published on January 5, 2024
Duration: 10:08

This guide details the installation of the GlockStore +3 extension onto a Shield Arms S15 magazine for the Glock 43X. The process involves careful disassembly of the original baseplate, managing spring tension, and securely attaching the new extension to increase magazine capacity. The video, presented by Lenny Magill, founder of GlockStore, emphasizes the ease of installation and the benefits of the extended grip for concealability and handling.

Quick Summary

Increase your Glock 43X's magazine capacity to 18 rounds by installing a Shield Arms S15 magazine and a GlockStore GS +3 Extension. This modification involves a simple installation process, replacing the factory baseplate and capturing the spring with the new extension.

Chapters

  1. 00:00Introduction to Glock 43X
  2. 00:30Magazine Comparisons: Factory vs. S15
  3. 01:47Introducing the GlockStore +3 Extension
  4. 02:46Disassembly of S15 Magazine Baseplate
  5. 04:10Installing the +3 Extension
  6. 05:40Ergonomics and Concealability Benefits
  7. 06:25Magwell Compatibility Discussion
  8. 08:02Capacity Testing with Dummy Rounds

Frequently Asked Questions

How do I increase the magazine capacity of my Glock 43X?

You can increase the magazine capacity of your Glock 43X by replacing the factory 10-round magazine with a Shield Arms S15 15-round magazine. Further increasing capacity to 18 rounds is possible by adding a GlockStore GS +3 Extension to the S15 magazine.

What is the total capacity of a Glock 43X with the S15 magazine and +3 extension?

When using the Shield Arms S15 magazine combined with the GlockStore GS +3 Extension, the total capacity for a Glock 43X becomes 18 rounds (15 from the S15 magazine + 3 from the extension).

Is the installation of the GlockStore +3 extension difficult?

The installation is a straightforward process that involves removing the factory baseplate from the S15 magazine and attaching the +3 extension. Basic tools like a punch are needed, and care must be taken with spring tension.

Does the extended magazine baseplate affect concealability?

While it increases capacity, the GlockStore GS +3 Extension is designed to maintain a relatively slim profile. It can also improve grip comfort for the pinky and palm, aiding concealability and handling.

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