Sig Sauer P365 Custom Works FCU – Gold Nitride

The Sig Sauer P365 Custom Works Fire Control Unit (FCU) is the serialized fire control assembly designed for compatible P365 platforms. Finished in Gold Nitride and equipped with a skeletonized flat-face trigger, this FCU serves as a factory-level replacement or upgrade while working with Sig P365 components. The unit includes a custom FCU serial number and is sold as the FCU/frame only. Installation and transfer are subject to applicable federal and local regulations.

Key Specifications

• The frame finish is Gold Nitride.
• The trigger is a Flat Face skeletonized blade.
• This component fits Sig P365 platforms.
• The unit is part of the Custom Works Fire Control Unit series.
• The listed safety configuration is No Thumb Safety.
• Compatibility is stated as Sig P365 Parts.
• The ATF manufacturer is listed as SIG SAUER.
• The ATF type/classification is FRAME.
• Additional features include a skeletonized flat blade trigger and Custom Works styling.

Built for owners who value refined fit and finish, the Custom Works FCU brings a premium look and a clean trigger interface to the P365 platform. Its Gold Nitride finish improves surface durability while the flat-face skeletonized trigger provides a consistent, unobtrusive feel suited to everyday carry and precision-focused setups. For those personalizing or restoring a P365, this serialized FCU offers a factory-level option that integrates with existing P365 parts and accessories.

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