Magpul Instructions - AMAG 15/17 SG9 P365

Published on November 25, 2025
Duration: 2:19

This video provides a clear, step-by-step guide from Magpul on how to install their AMAG 15 SG9 and AMAG 17 SG9 grip extensions for the Sig P365 pistol. The instructions cover disassembly, fitting the various grip extension types (Standard, X, XL), and securing them with the provided extension plate. A live-fire demonstration confirms reliable function and improved ergonomics with the installed extensions.

Quick Summary

Magpul's AMAG 15 SG9 and AMAG 17 SG9 magazines for the Sig P365 can be upgraded with Standard, X, or XL grip extensions. The installation involves disassembling the original floorplate, sliding on the new extension, and securing it with the extension plate by pressing down the lockplate.

Chapters

  1. 00:00Introduction to AMAG 15/17 SG9 Magazines
  2. 00:20AMAG 15 SG9 Disassembly & Extension Install
  3. 00:40Extension Plate Installation Steps
  4. 01:16AMAG 17 SG9 Extension Installation
  5. 02:12Live Fire Demonstration

Frequently Asked Questions

What Magpul magazines are covered in this installation guide?

This guide specifically covers the installation of Magpul's AMAG 15 SG9 and AMAG 17 SG9 magazines for the Sig P365 pistol. It details how to attach their Standard, X, and XL grip extensions.

What tools are needed to install the Magpul AMAG grip extensions?

The primary tool required for installing the Magpul AMAG 15/17 SG9 grip extensions is a punch tool to depress the magazine's lockplate during the disassembly and reassembly process.

How do you ensure the grip extension is properly installed on the AMAG magazine?

To ensure proper installation, slide the grip extension onto the magazine body until it contacts the flanges. Then, pull the extension back slightly, press the lockplate down, slide the extension plate into place, and confirm the lockplate is fully seated, tapping it if needed.

What are the benefits of installing Magpul grip extensions on P365 magazines?

Installing Magpul grip extensions on Sig P365 AMAG magazines improves ergonomics, providing a more comfortable and secure grip. They also offer a cleaner visual interface between the magazine and the firearm's grip.

More Tactical & Gear Videos You Might Like

More from Magpul

View all →