Product Overview
Sig Sauer P320 Custom Works Fire Control Unit (FCU) – Modular Foundation for Custom Builds
The Sig Sauer P320 Custom Works FCU is the heart of the P320 modular system, offering unmatched customization and precision. With the Custom Works Studio program, users can personalize every detail of their firearm – from grip modules and slides to barrels, triggers, and optics – creating a truly one-of-a-kind P320 build.
Features:
- Exclusive Titanium Nitride Coated Frame – Enhanced durability and a premium look
- Skeletonized Flat Trigger – Clean break and improved trigger control
- Custom Serialized "FCU######" – A unique serial number for every FCU
- Fully Compatible – Works with all post-upgrade P320 9mm, .357 SIG, and .40 S&W components
Unmatched Modularity
Whether you're building for duty, competition, concealed carry, or personal preference, the P320 FCU is your blank canvas. Combine it with factory OEM or aftermarket parts from Terran Gear USA to design your ultimate P320.
Shipping Note: Serialized FCU is a regulated item and must ship to an authorized FFL dealer.
Purchaser Note: This product is a serialized and regulated item that is not on the handgun roster. It is not legal for CA residents to purchase this item unless you are exempt and can provide the required credentials (eg. active/retired LEO, etc).