Description

The Sig Sauer P320 Fire Control Unit (Custom Works) provides responsible owners the serialized core for building or customizing a P320 pistol for concealed carry, personal protection, or range use. Designed for modularity, this FCU accepts standard Sig P320 parts to create a tailored defensive or practice handgun. The Custom Works configuration pairs a refined, skeletonized flat blade trigger with upgraded finishes to give a confident shooting platform and consistent trigger feel.

Key Specifications

• Compatible with 9mm/40 S&W/357 SIG configurations, enabling multi-caliber P320 builds.
• Finished in Black Nitride to provide surface durability and corrosion resistance.
• Features a skeletonized flat blade trigger to promote a consistent, controllable break for follow-up shots and training.
• Designated as an ATF Type: FRAME, serving as the serialized fire control unit for the P320 platform.
• Fits Sig P320 parts, allowing straightforward integration with standard grip modules, slides, and barrels.
• Part of the Custom Works Fire Control Unit series, offering upgraded aesthetic and functional details.
• Offered in a stripped style to let owners finish the build to their preferred concealed carry or range configuration.
• Shipping weight of 0.7 lb for easy handling and storage prior to assembly.

Whether you’re assembling an everyday carry pistol or creating a tuned range companion, the Sig Sauer P320 Fire Control Unit Custom Works provides a dependable foundation. Its modular compatibility and refined trigger components help owners build a configuration they can rely on for confident performance.