The SIG SAUER Custom Works Fire Control Unit (FCU) is a stripped FCU designed for the P365 micro-compact platform. It provides a modular foundation for assembling or modifying a P365 by accepting slides, barrels, grip modules, optics, and related accessories specifically made for the platform. This listing is for the FCU component only and does not include slide, barrel, grip module, or other external components. Use this FCU as a replacement part or as the central element of a custom P365 build.
Key Specifications
- The product is classified as a Fire Control Unit intended for the P365 platform.
- The unit is listed as stripped, delivered without slide, barrel, or grip module components.
- The trigger style is described as a flat, skeletonized blade.
- The item is identified under the Custom Works Fire Control Unit series.
- The component is documented as compatible with Sig P365 parts and related accessories.
- The ATF/manufacturer entry is recorded as Sig Sauer.
- The ATF/model designation is recorded as P365.
- The ATF/type designation for this item is Frame.
- The product listing includes a flat trigger and custom FCU serial number capability in some references.
- The listing shows a recorded weight value of 0.6 (as provided in product attributes).
As a platform-centric component, this FCU gives builders and informed owners a practical basis for customizing a micro-compact carry pistol. Its stripped configuration and platform compatibility make it suitable for repairs, upgrades, or bespoke P365 assemblies while retaining the small-form factor and modular intent of the P365 family.
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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