Magpul Instructions - AMAG 15/17 SG9 P365

Published on November 25, 2025
Duration: 2:19

This guide details the installation of Magpul's AMAG 15 SG9 and AMAG 17 SG9 magazine grip extensions for the Sig P365 platform. The process involves disassembling the original magazine baseplate, sliding on the new grip extension, and securing it with a specialized extension plate. The video demonstrates a professional and instructional approach from Magpul, emphasizing a step-by-step mechanical demonstration.

Quick Summary

Install Magpul AMAG 15/17 SG9 grip extensions on your Sig P365 by first unloading the magazine. Use a punch tool to press the lockplate, remove the original floorplate, and slide on the new extension. Secure it by pressing the lockplate again and sliding in the extension plate, ensuring it's fully seated for reliable function.

Chapters

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

Frequently Asked Questions

How do I install Magpul AMAG grip extensions on a Sig P365 magazine?

To install, first unload the magazine. Use a punch tool to press down the lockplate, then slide off the original floorplate. Slide the desired grip extension over the feed lips until it contacts the body flanges. Pull the extension back slightly, press the lockplate down again, and slide the extension plate into place, ensuring the lockplate is fully seated.

What tools are needed to install the Magpul AMAG 15/17 SG9 grip extensions?

The primary tool required for the installation of Magpul AMAG 15/17 SG9 grip extensions is a punch tool. This is used to depress the magazine lockplate, allowing for the removal of the original floorplate and the installation of the new extension and plate.

What are the different grip extension options for the Magpul AMAG magazines?

Magpul offers standard, X, and XL grip extensions for the AMAG 15 SG9 and AMAG 17 SG9 magazines. These options allow users to customize the ergonomics of their Sig P365 magazines to better suit their hand size and shooting preferences.

Are the Magpul AMAG 15 SG9 and 17 SG9 magazines compatible with all Sig P365 models?

The AMAG 15 SG9 and AMAG 17 SG9 magazines are designed for the Sig P365 platform. They come with grip extensions compatible with the standard P365, P365 X, and P365 XL models, offering a versatile fit.

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