Smith & Wesson Model 51 J Frame Thumb Piece & Nut Blue Steel .22 Magnum, Part# 51157 8 3/8 inch Measure Barrel Length: Confirm your

Measure Barrel Length: Confirm your current barrel is 6 inches (measured from forcing cone to muzzle)

Not compatible with new MIM-style Model 610 frames

Included is the optional trigger stop

your revolver pre-dates 1957–58 and requires old-style parts

Proper fitting and timing are essential for safe operation

Smith & Wesson Model 51 J Frame Thumb Piece & Nut Blue Steel .22 Magnum, Part# 51157 8 3/8 inch Measure Barrel Length: Confirm yourSmith & Wesson Model 51 Thumb Piece & Nut Part# 51157 This is a genuine factory Smith & Wesson thumb piece and nut for the J Frame Model 51 revolver chambered in . 22 Magnum Rimfire (. 22 WMR). An old style used blue steel part in serviceable condition a cost effective solution for replacing a worn, damaged, or missing cylinder release latch on your Model 51. The thumb piece (also called the cylinder release latch or cylinder latch) is the lever on