Smith & Wesson K Frame Model 66-4 .357 Magnum Hammer .375" Spur Stainless Steel Used Part 66113D j431PDu 5-round capacity

5-round capacity

Compatible with Model 4043

This makes them ideal for all-day carry but requires specific barrel fitment

38 Special Bodyguard Airweight

This OEM replacement part features stainless steel construction and ensures proper barrel retention and alignment

Smith & Wesson K Frame Model 66-4 .357 Magnum Hammer .375" Spur Stainless Steel Used Part 66113D j431PDu 5-round capacitySmith & Wesson Model 66 4 Hammer . 375" Spur, Stainless Steel Keep your Model 66 running like it left the factory. This is a genuine used Smith & Wesson hammer pulled from a Model 66 4 Combat Magnum revolver. It features the classic . 375" wide target style spur in stainless steel the old style configuration that collectors and gunsmiths prefer for its positive thumb cocking and clean single action break. Part Details Part Number: 66113D Frame: K