Smith & Wesson K Frame Hammer - Models 17, 18, 48 - .375" Spur - Old Style - Used - .22 Rimfire K113B .300" Wide 38 S&W 4" Verify dash

38 S&W 4" Verify dash variant fitment Important: The Model 33 is chambered in

secure hold

Part Number: 441800000

This 10-round magazine fits M&P 40 and

Smith & Wesson K Frame Hammer - Models 17, 18, 48 - .375" Spur - Old Style - Used - .22 Rimfire K113B .300" Wide 38 S&W 4" Verify dashFactory OEM Smith & Wesson K Frame Rimfire Hammer Part Number: K113B Compatibility: K Frame Models 17, 18, 48 (Rimfire Only) Caliber: . 22 LR . 22 Magnum (Rimfire) Spur Width: . 375" (Target Spur) Style: Old Style Condition: Used Frame Size: K Frame This is an authentic Smith & Wesson factory hammer designed specifically for K Frame rimfire revolvers. The hammer is a critical fire control component that strikes the firing pin to ignite the primer.