Smith & Wesson J Frame Model 51 Hammer Block .22 WMR Part 51120A k frame model 66 Critical safety function - Locks

Critical safety function - Locks cylinder in proper alignment for safe firing

Part Number: 3002622

it preserves the compact

New style 6-shot cylinder design

Part Number: 78951

Smith & Wesson J Frame Model 51 Hammer Block .22 WMR Part 51120A k frame model 66 Critical safety function - LocksSmith & Wesson J Frame Model 51 (Pre Model) Hammer Block Part# 51120A This listing is for a used, old style OEM hammer block for the Smith & Wesson J Frame Model 51 . 22 WMR (Magnum) Kit Gun revolver. Genuine factory part in used condition. Compatibility Smith & Wesson J Frame Model 51 (Pre Model) . 22 WMR (. 22 Magnum) Kit Gun Old style configuration Part Details Part Number: 51120A Condition: Used OEM factory part Part: Hammer Block Frame Size: J