Introducing the P320 FCU (Fire Control Unit).
With it’s unprecedented modularity and unmatched
capability, the P320 platform has become one
of the most exciting pistols available to firearms
enthusiasts today. The soul of the P320 and the
driving force behind its modularity lies in the unique,
patented design of its Fire Control Unit (FCU).

Now, SIG SAUER is offering the FCU as a
standalone product, enabling an entirely
new level of customization and personalization,
giving users the ability to create virtually millions
of combinations to suit any need and any level of
personal style.