Enhancing My P320: The Ultimate Upgrades from Wilson Combat and Agency Arms


The Sig Sauer P320 is an extremely popular, highly modular polymer striker-fired pistol that’s capable of being upgraded and customized in endless ways. One of the main draws of this firearm is its ability to be enhanced with various upgrades, including grip modules, compensators, and more.

In this article, we’ll explore the ultimate upgrades for the P320 from Wilson Combat and Agency Arms, two of the most respected names in firearm upgrades. We’ll also take a closer look at the P320’s modular design and some safety concerns surrounding it.

Upgrades for the P320:

One of the standout features of the P320 is its modularity, which allows gun owners to change parts and add upgrades easily. Here are some of the top upgrades available for the P320:

  1. Wilson Combat Grip Modules: A new grip module is one of the quickest and easiest upgrades you can make to your P320. Wilson Combat offers high-quality grip modules with aggressive front and back strap checkering without a rough texture like sandpaper. These will set you back around $68 apiece.

  2. Agency Arms 419 Single Port Compensator: This upgrade significantly improves the P320’s shootability by controlling muzzle rise and recoil. The Agency Arms compensator is designed to be lightweight and easy to install, and it’s a popular upgrade for competitive shooters.

  3. P320 x Carry Legion Upgrades: The P320 x Carry Legion comes with some fantastic upgrades that make it stand out from the standard P320. These include a threaded barrel, skeletonized flat face trigger, suppressor height night sights, and Legion magazines with weighted base plates.

Modularity of the P320:

One of the most significant advantages of the P320 is its modularity, which allows for endless upgrade options. The serialized part of the P320 is the fire control unit or group, which means you can switch out grip modules, slides, barrels, and more without compromising the integrity of the firearm. This level of flexibility makes the P320 a popular option among gun enthusiasts who want the ability to switch up their firearm’s setup without buying a whole new one.

Safety Concerns Surrounding the P320:

In 2017, the P320 was the subject of a voluntary recall due to a drop safety issue. Sig Sauer quickly addressed the issue, and the P320 has been a safe firearm in the author’s experience. Unfortunately, some of the safety concerns surrounding the P320 have been malicious in nature, with some people spreading false information about the firearm’s safety, causing unnecessary fear among gun owners. It’s crucial to do your research when it comes to firearm safety issues and make informed decisions based on reliable information.


The P320 is an excellent firearm that offers a high level of customization and modularity, with many upgrade options available from companies like Wilson Combat and Agency Arms. When making upgrades to your P320, it’s essential to consider the firearm’s modularity and how you can take advantage of it to create the perfect setup for your needs. Remember to do your research before making any decisions about upgrades, and always choose reputable companies with a track record of producing reliable and safe firearm enhancements.