Add 5 Rounds to Your 9mm Magazine | GS Magazine Extension Installation

Published on June 5, 2024
Duration: 18:53

This guide details the installation of a Double Diamond +5/4 magazine extension for Glock 9mm and .40 Caliber magazines, as demonstrated by Lenny Magill of GlockStore. The process involves disassembling the standard magazine, modifying the magazine body slightly, and attaching the new extension with its included spring and hardware. This modification increases magazine capacity for enhanced readiness.

Quick Summary

Install a Glock magazine extension by removing the base plate, modifying the magazine body, attaching the extension with screws, and installing the new spring and base plate. This process increases 9mm Glock magazines by 5 rounds and .40 Caliber by 4 rounds. Always ensure the firearm is unloaded before modification.

Chapters

  1. 00:00Introduction to Magazine Extensions
  2. 00:24Product Components & SKU
  3. 01:55Glock Magazine Compatibility
  4. 03:16Disassembly Process
  5. 06:22Spring Comparison & Maintenance
  6. 08:43Installation Steps
  7. 14:21Capacity Demonstration
  8. 16:52Magwell Compatibility

Frequently Asked Questions

How do you install a Glock magazine extension?

To install a Glock magazine extension, first remove the base plate from your standard magazine. Then, carefully modify the magazine body by removing small plastic tabs. Slide the extension on, secure it with screws, and install the new spring and base plate. Always ensure the firearm is unloaded before starting.

What is the capacity increase for Glock magazines with an extension?

The Double Diamond +5/4 magazine extension increases the capacity of a 9mm Glock magazine by 5 rounds, bringing it to 22 rounds for a Glock 17. For .40 Caliber magazines, the increase is 4 rounds.

What tools are needed to install a Glock magazine extension?

You will need basic tools like a punch or a specialized Magazine Disassembly Tool (MDT) to remove the base plate, a knife to modify the magazine body, and a screwdriver to secure the extension. A Lula loader is also shown for demonstrating function.

Can Glock magazine extensions be used with different Glock generations?

Yes, Glock magazines are generally cross-compatible across generations (Gen 1-5). The Double Diamond +5/4 extension is designed to fit these magazines, though minor variations exist between generations.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from GlockStore

View all →