Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015A Slide Assembly making them ideal for both

making them ideal for both defensive and target applications

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44 Magnum Chambering - Compatible with N Frame Model 629 revolvers

Perfect for states with magazine capacity restrictions or as a spare magazine

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Smith & Wesson M&P 40c Locking Block .40 S&W Used Part MP4015A Slide Assembly making them ideal for bothSmith & 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.