Sig Sauer P320 Fire Control Unit
This expert guide from Larry Vickers of Vickers Tactical details the Sig Sauer P320 Fire Control Unit (FCU) and its unparalleled modularity. The FCU serves as the serialized component, enabling users to easily swap grip modules, slides, barrels, and magazines. The video highlights customization options, including aluminum and tungsten frames, and various slide configurations, emphasizing the P320's game-changing impact on the handgun market.









