The hammer is the only K Frame part that is caliber-specific - all other internal parts interchange between rimfire and centerfire models
J120 Smith and Wesson J Frame Model 43
align new grips with frame
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357 Sig (Full Size) ✔
Smith & Wesson J Frame All Models Black Rubber Grips Round Butt 413030000 K-Frame The hammer is the onlyFactory OEM Smith & Wesson J Frame Black Rubber Grips Genuine Smith & Wesson factory replacement grips designed for J Frame revolvers with round butt configuration. These black rubber grips feature an exposed backstrap design for a secure, comfortable grip. Compatible Models: Fits J Frame Round Butt Models: 30, 31, 317, 32, 33, 331, 332, 337, 34, 340, 342, 35, 36, 360, 37, 38, 40, 42, 422, 43, 431, 432, 442, 49, 50, 60, 63, 631, 632, 637, 638, 640,