KCI USA Lower Parts Kit, Fits Sig 9mm/40S&W/357Sig P320, Includes Trigger Stop Pin, Slide Catch Lever Pin, Safety Lever Pin, Sear Pivot Pin, Split Coil Pin, Slide Catch Lever, Spring Post, Take Down Safety Lever, Safety Lever, Slide Catch, Sear, O-Ring, Take Down Lever, Slide Catch Assembly, Spring, Slide Catch Lever, Spring, Sear (2), Trigger Bar Spring, Spring, Takedown Lever, Flat Faced Trigger, Trigger Bar, Sear Housing, Manual Disconnector CDIP-0038