just seamless integration
The bolt spring and plunger work together to lock the cylinder in proper alignment with the barrel for each shot
About the Smith & Wesson 10mm Series
Model 18 - Combat Masterpiece (
Smith & Wesson M&P 40 Slide, Barrel, Recoil Guide Assembly w/parts .40 S&W MP40A1A model 57 just seamless integrationPart# MP40A1A Smith & Wesson Pistol M&P 40 . 40 S&W Slide (7"), Barrel (4. 11"), Recoil Guide Assembly, Trigger Bar Assembly, Locking Block & PIns, Lever Housing Block with Manual Safety, Slide Stop with Spring, Frame Tool, Takedown Lever, Magazine Catch, Trigger Pin Only what is pictured! Nothing more and nothing less! Nice Condition!!! Features: Smith & Wesson factory part. Gunsmiths Required: Disassembly and Assembly required to replace part Some