The Sig Sauer P320 Fire Control Unit (FCU) from the Custom Works series is an ATF-classified FRAME intended for use with P320 platforms. It is finished in a gold nitride treatment and features a flat, skeletonized trigger profile for a refined interface. This FCU is compatible with Sig P320 parts and represents the serialized fire control component of the pistol.
Key Specifications
- The frame finish is Gold Nitride.
- The finish color is Gold.
- The action type is Semi-Auto.
- The product type is Striker Fired.
- The safety configuration is No Thumb Safety.
- Compatibility is listed as Sig P320 Parts.
- The series is Custom Works Fire Control Unit.
- The trigger feature is Skeletonized Flat Blade.
- The ATF classification is FRAME.
- The ATF manufacturer is Sig Sauer Inc..
This Custom Works FCU provides a finished, high-visibility option for builders and owners seeking a factory-level fire control component with a distinctive gold finish and a refined trigger interface. It is suited for shooters who want a performance-oriented FCU to install in compatible P320 modules and builds.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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