Smith & Wesson K-Frame Cylinder Stop MPC11 - M&P 1st Model 4-Screw .38 Colt - Factory OEM Part gas ring Firing Pin Spring

Firing Pin Spring

The Smith & Wesson K Frame Model 19-9 & Higher

Part Number: K113B

40 S&W — ✗ No M&P 40 Compact Any

NOT Compatible: Square butt frames

Smith & Wesson K-Frame Cylinder Stop MPC11 - M&P 1st Model 4-Screw .38 Colt - Factory OEM Part gas ring Firing Pin SpringAuthentic Smith & Wesson K Frame Cylinder Stop MPC11 Factory OEM part for Smith & Wesson Military & Police 1st Model revolvers. This cylinder stop (part number MPC11) is an essential timing component that ensures proper cylinder lockup and safe operation of your vintage K frame revolver. Compatibility & Fitment Confirmed Compatible With: Smith & Wesson K Frame Military & Police 1st Model (4 screw frame) . 38 Colt caliber chambering Serial number