Smith & Wesson M&P .40 Compact Trigger Bar Assembly & Spring Used – Part# MP4019A firing pin parts 640 Magnum

640 Magnum

Serious Revolver Enthusiasts: Working with a trusted gunsmith to restore or optimize their Model 629

Replace if housing shows cracks

This new OEM component rotates the cylinder as the hammer is cocked

The locking block is a critical component that affects firearm safety and function

Smith & Wesson M&P .40 Compact Trigger Bar Assembly & Spring Used – Part# MP4019A firing pin parts 640 MagnumSmith & Wesson M&P . 40 Compact Trigger Bar Assembly & Spring Used Part Number: MP4019A Condition: Used (Factory Original) Caliber: . 40 S&W Restore your M&P . 40 Compact to factory correct function with this genuine Smith & Wesson trigger bar assembly and spring. The trigger bar is a critical fire control component that transfers trigger pull to the sear, initiating the firing sequence. This listing includes both the trigger bar and the associated