Smith & Wesson M&P9 Shield Sear Housing Assembly with Hammer, Pin, Spring & Manual Safety, Part MPS7 17184AB your revolver may pre-date 1957-58

your revolver may pre-date 1957-58 numbering system

a competitive shooter fine-tuning your sight picture

Part Number: 28112

380 Shield EZ M2

Enhanced Reliability: Extra power firing pin spring for improved ignition

Smith & Wesson M&P9 Shield Sear Housing Assembly with Hammer, Pin, Spring & Manual Safety, Part MPS7 17184AB your revolver may pre-date 1957-58Smith & Wesson M&P9 Shield 9mm Sear Housing Assembly OEM used sear housing assembly for the Smith & Wesson M&P9 Shield pistol. This is a complete fire control group sub assembly that includes the sear housing, hammer, pin, spring, and manual safety lever everything needed to restore your Shield's trigger and safety function to factory spec. New style part in used condition. Specifications Manufacturer: Smith & Wesson Model Compatibility: M&P9 Shield