Smith & Wesson K Frame Model 64-3 Thumb Piece & Nut Stainless Steel - Old Style Used 64177B Parts Kit (Will work on Model 10)

(Will work on Model 10)

and 19-3 Combat Magnum revolvers

Model: 625

M&P 40 Full Size M1

Smith & Wesson K Frame Model 64-3 Thumb Piece & Nut Stainless Steel - Old Style Used 64177B Parts Kit (Will work on Model 10)Smith & Wesson K Frame Model 64 3 Thumb Piece & Nut Stainless Steel Factory OEM thumb piece and nut assembly for the Smith & Wesson Model 64 3 revolver. This old style stainless steel component controls cylinder release and is essential for proper revolver operation. Specifications: Part Number: 64177B Frame: K Frame Model: 64 3 Caliber: . 38 Special Material: Stainless Steel Condition: Used Old Style Finish: Stainless Compatible Models: This thumb