Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015B j432u and used components

and used components

Model 342PD (

allowing you to fine-tune your J-Frame's trigger pull for improved accuracy and smoother shooting

Factory original stainless steel cylinder center pin designed specifically for K Frame revolvers with 2" barrels

0 Confirmed Fit M&P

Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015B j432u and used componentsSmith & Wesson M&P 40c Locking Block Part MP4015B Original Smith & Wesson factory locking block for the M&P 40c compact semi automatic pistol chambered in . 40 S&W. Used part. Part Number: MP4015B Fits: S&W M&P 40c (Compact) Caliber: . 40 S&W Condition: Used Type: OEM Factory Part Installation: Disassembly and reassembly required. Installation by a qualified gunsmith is recommended.