This Sig Sauer P320 lower parts kit contains all the parts needed to complete a Sig P320 fire control unit (FCU). It ships with a flat-faced trigger, trigger bar, sear and sear housing, slide catch assembly, takedown lever, pins and springs.
Parts are compatible with Sig P320 slides chambered in 9mm, 40 S&W and 357 SIG.
All parts necessary to complete a Sig FCU or 80% MUP.
Includes:
Lay out and check the parts against the list above before assembly and function-check the completed pistol, including trigger reset, before live fire.