Fire Control Units

Sig Sauer

Sig Sauer P320 Custom Works Fire Control Unit (FCU) - Gold Nitride Finish, Fits 9mm Luger / 40 S&W / 357 Sig Models

Sig Sauer

Sig Sauer P365 Custom Works Fire Control Unit (FCU) - 9mm Luger/380 ACP, Gold Nitride Finish, Titanium Frame, Flat Face Trigger

Sig Sauer

Sig Sauer P365 Custom Works Fire Control Unit (FCU) - Black Nitride Finish, 9mm Luger / 380 ACP

Sig Sauer

Sig Sauer P320 Custom Works Fire Control Unit 8900161 - Black Nitride Finish for 9mm Luger, 40 S&W, and 357 Sig