Smith & Wesson J Frame Hammer Block Multiple Models Factory New Part 070760000 j33u This mainspring comes from a

This mainspring comes from a Jerry Miculek edition Model 625

Multi-Caliber Fit: Compatible with M&P 9mm

460 S&W Magnum

introduced in 1979

Smith & Wesson J Frame Hammer Block Multiple Models Factory New Part 070760000 j33u This mainspring comes from aSmith & Wesson J Frame Hammer Block Genuine factory new Smith & Wesson hammer block designed for multiple J Frame revolver models. This OEM replacement part is a critical safety component that prevents the hammer from striking the firing pin unless the trigger is fully pulled. Specifications Frame: J Frame Style: Old style Condition: Factory new Part number: 070760000 Compatibility Fits Smith & Wesson J Frame Models: 31, 34, 36, 37, 38, 49, 60, 63,