Smith & Wesson K Frame M&P 1st Model Trigger Spring - Part# MPC7 - .38 Colt - Serial 3312 Firing Pin Lever Left side panel only

Left side panel only

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Smith & Wesson K Frame M&P 1st Model Trigger Spring - Part# MPC7 - .38 Colt - Serial 3312 Firing Pin Lever Left side panel onlyAuthentic Smith & Wesson K Frame Trigger Spring Factory OEM Part from Military & Police 1st Model Revolver This is a genuine used trigger spring (Part# MPC7) removed from a Smith & Wesson K Frame Military & Police 1st Model revolver, Serial# 3312. An authentic old style component for collectors and gunsmiths restoring early K Frame revolvers chambered in . 38 Colt. Compatibility & Fitment Frame: Smith & Wesson K Frame Model: Military & Police (M&P)