Description

This listing is for a Sig Sauer P320 Custom Works Fire Control Unit (FCU) offered as a stripped frame component (FFL item). The unit is finished in Black Nitride and is presented with a flat, skeletonized trigger blade as part of the Custom Works specification. It is intended for use in P320 builds and to accept compatible Sig P320 parts and post-upgrade accessories.

Key Specifications

• The unit is a stripped fire control unit designated as Custom Works Fire Control Unit.
• The frame finish is Black Nitride.
• The trigger style is Flat and features a skeletonized flat blade.
• Designed to fit and be compatible with Sig P320 parts and post-upgrade accessories.
• ATF Type is listed as FRAME.
• ATF Manufacturer is listed as SIG SAUER INC..
• This item is an FFL item (FCU only) sold as a stripped control unit.
• Product weight is approximately 0.7 lb.
• Finish type is listed as Black.

Engineered for shooters and builders who customize the P320 platform, this Custom Works FCU delivers a finished control core with a refined trigger interface and durable finish. Its stripped format supports a wide range of modular configurations and aftermarket upgrades for users assembling tailored P320 builds.