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Build a custom Sig P320-compatible pistol with an 80% build kit that includes a factory-spec fire control unit blank. Includes all parts required to build.

Sig Sauer P320 FCU Lower Parts, Parts Kits, Parts, Components, from Sig Sauer, Apex Tactical, JSD Supply, Modification & Builders Tools, Tool Kits from SigMechanics, Sig80BitKits.com and more

Order a lower kit for Sig P320 parts with JSD Supply. Includes everything needed to complete a Sig Sauer P320-compatible FCU. Source with JSD Supply.

The P365 Custom Works Fire Control Unit (FCU) brings an unprecedented level of customizability and personalization to the micro-compact carry platform. From grip modules, magazines, custom slides, barrels, optics, and accessories, you can configure your P365 in thousands of different ways to personally customize your pistol to your specific ...

FDEZ/Icarus Evo grip & Fdez Werx XXL Slides Holster with TLR7SUB - IWBP365 & P320 Parts & Accessories

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Select your platform to see the Lower Parts & Kit Options to Build, Modify & Upgrade

This is a new set of FCU parts to fill the SIG Sauer P320 FCU/Frame or an 80% MUP-1, with a flat trigger. This lower parts kit manufactured by JSD Supply/Patmos Arms will work with any P320 9mm, 40SW or 357SIG (not manual safety or 45ACP).

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