Magpul AMAG 21 SG9 9mm 21-Round Magazine for Sig Sauer P320 / M17

This is a 21-round 9mm Sig P320 / M17 extended magazine from Magpul.

The Magpul AMAG 17 SG9 9mm 21-round magazine is a performance-ready aftermarket Sig Sauer P320 / M17 magazine designed for optimal fit and function with your Sig P320 full-size pistol.

Featuring a corrosion-resistant stainless steel body, this Magpul P320 extended magazine is built for lasting service in harsh and demanding conditions.

A high-visibility, anti-tilt polymer follower and stainless steel spring work together to provide proper cartridge alignment and reliable feeding performance in high-stress defensive and competitive shooting environments.

The impact-resistant polymer baseplate is flared for improved handling and lightning-fast mag swaps, and the removable design allows for hassle-free disassembly when cleaning and maintenance are required.

A paint pen dot matrix allows for custom markings for rapid identification, while precision-machined witness holes offer quick, visual round counts at a glance.

Grab a few spare Sig P320 21-round magazines from GunMag Warehouse and add to your stockpile today.