Agency Arms +5 Magazine Extension, Black, Sauer P320 17RD

Product Description

The Agency Arms +5 Magazine Extension is designed to enhance your Sig Sauer P320 with increased magazine capacity. This aluminum extension adds five rounds to your standard P320 magazine, bringing total capacity to 17 rounds. Built for shooters who demand reliable performance upgrades without compromising durability.

Additionally, the extension features an anodized black finish that resists corrosion and blends seamlessly with modern pistol setups. The aluminum construction keeps weight minimal while maintaining strength. This makes it an ideal choice for firearm customization projects and performance-focused shooters.

Perfect for Customization and DIY Maintenance

Furthermore, the Agency Arms +5 Magazine Extension is straightforward to install, making it excellent for DIY maintenance and upgrades. Whether you’re building a competition setup or enhancing your carry pistol, this extension delivers practical capacity gains. Many shooters choose it for training scenarios where extra rounds reduce reload frequency.

In addition, the product pairs directly with Sig Sauer P320 magazines, ensuring reliable fit and function. The black anodized finish matches factory P320 aesthetics. This extension is a smart investment for anyone serious about optimizing their P320 platform.

Ordering from Western Sport

Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: Will this extension fit my Sig Sauer P320 magazine?

A: Yes. The Agency Arms +5 Magazine Extension is designed specifically for Sig Sauer P320 magazines and fits reliably without modification. Simply slide the extension onto your existing P320 magazine for immediate capacity increase.

Q: Does the Agency Arms +5 extension come with a warranty?

A: Agency Arms stands behind its products with manufacturer support.

Q: Is there a waiting period or special process to purchase this in Texas?

A: Magazine extensions are not regulated as firearms in Texas, so no FFL transfer or background check is required. You can purchase and take possession immediately at Western Sport.

Q: What is the best use case for a +5 magazine extension?

A: The +5 extension is ideal for competitive shooting, training sessions, and performance-focused carry setups where extra capacity reduces reload frequency. It’s also popular for shooters who want higher round counts without changing firearms.

Additional information