Sig Sauer P320 Fire Control Unit Receiver Black

From the beginning, the Sig Sauer P320 was built to be a pistol that could adapt to meet the user's specific needs. From grip modules and magazines to custom slides, barrels, and optics, the P320 can be configured in thousands of different ways to make your P320 unique and exactly the pistol you are looking for. The P320 Custom Works Studio FCU program takes that idea and brings it to an unprecedented new level. FeaturesSkeletonized TriggerCustom "FCU######" Serial NumberCompatible with all 9mm/357SIG/40SW P320 Post-Upgrade accessories