Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015A J4J42u Premium Barrel Assembly:

Premium Barrel Assembly:

ensuring safe and reliable trigger function

This oversize design allows your gunsmith to achieve perfect cylinder lockup and rotation for optimal accuracy and reliability

05454B000 Smith And Wesson K Frame Revolver Part Factory New Blue Extractor Rod For All Models With 2" Barrel length

Smith & Wesson Factory New X Frame bolt (cylinder bolt)

Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015A J4J42u Premium Barrel Assembly:Smith & Wesson M&P 40c Locking Block Part MP4015A Original Smith & Wesson factory locking block for the M&P 40c compact semi automatic pistol chambered in . 40 S&W. Used part. Part Number: MP4015A 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.