Smith & Wesson Revolver K Frame M&P 38 S&W 4" Pinned Barrel Used K3810 universal Function: The firing pin safety

Function: The firing pin safety lever is a passive safety mechanism that prevents the firing pin from moving forward unless the trigger is fully depressed

Base Plate: Finger rest style

Side plates typically interchange across N Frame models of the same era

40 S&W (Model 410)

New style design

Smith & Wesson Revolver K Frame M&P 38 S&W 4" Pinned Barrel Used K3810 universal Function: The firing pin safetySmith & Wesson K Frame M&P Pinned Barrel 4" Genuine Smith & Wesson factory 4" pinned barrel for K Frame M&P (Military & Police) revolvers chambered in 38 S&W. This used part is in excellent condition and ready for installation. Specifications: Frame: K Frame Model: M&P (Military & Police) Caliber: 38 S&W Length: 4" Style: Pinned Condition: Used Excellent Part Number: K3810 Note: This is a used OEM part. Professional gunsmith installation is