Kci Usa Sig P320 Lower Parts Kit 9mm 357Sig with Trigger

The KCI USA Lower Parts Kit for the Sig P320 delivers a complete, dependable solution for firearm maintenance, upgrades, and reliable field operation, combining black finish components and high-quality construction to ensure precise fit and smooth function. This SIG P320 Lower Parts Kit includes essential pins, levers, springs, and the flat faced trigger, along with the take-down lever and manual disconnector, providing a comprehensive set of handgun parts designed to restore or enhance the pistol's action, safety, and reliability. Built to fit 9mm, .40 S&W, and .357 SIG variants, the kit supports tactical readiness and range day confidence by supplying a full complement of parts—such as the slide catch lever pin, safety lever pin, sear pivot pin, sear housing, and trigger bar spring—that enable precise trigger pull and dependable sear engagement when installed by a qualified gunsmith or experienced hobbyist. Ideal for enthusiasts seeking a factory-standard replacement or upgrade, the KCI USA kit helps maintain OEM-style timing and interaction between the trigger, safety, and slide components, ensuring smooth cycling, consistent reset, and durable performance across training, duty, or competition use.