SIG SAUER Slide Catch Assembly Kit 9/40C/40CA/40Sc/357 KIT-320-SCL. 40 ACP .357 SIG 9mm Caliber Condition: New Package Contents: SIG SAUER Slide Catch Assembly Kit SIG SAUER KIT-320-SCL: Slide Catch Assembly Kit 9/40C/40CA/40Sc/357