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SIG SAUER® Custom Works has unleashed the soul of the P320. The Fire Control Unit (FCU)—the driving force behind the modularity of the P320—now stands on its own, enabling an entirely new level of customization and personalization in the world of firearms.
The FCU features a titanium nitride finish, extended takedown lever, and the same flat trigger found on the X-Five Legion pistol. The trigger breaks at 90° for a terrifically light and crisp pull. So whether you want to upgrade an existing P320 in your collection slowly over time or build an entirely new custom pistol from the ground up, the Custom Works FCU is an essential component.