Smith & Wesson M&P 9 Compact Locking Block 9mm Used OEM Part MP9C2 4" Non Pinned Barrel Model 457 (

Model 457 (

Expert Support Available: Questions about compatibility with your specific M2

and unreliable ignition

Installation is straightforward - simply remove the grip screw

Smith & Wesson M&P 9 Compact Locking Block 9mm Used OEM Part MP9C2 4" Non Pinned Barrel Model 457 (Smith & Wesson M&P 9 Compact Locking Block Used OEM Factory Part Part #: MP9C2 Fits: M&P 9 Compact (9mm) This is the factory locking block that locks the barrel into battery and provides the structural interface between the barrel, frame, and slide during the firing cycle. A critical component for safe and reliable operation. Smith & Wesson factory OEM part Manufactured to original S&W specifications and tolerances Used surplus part in good working