Smith & Wesson K Frame Model 15 Thumb Piece & Nut Blue .38 Special K155A Walther The non-pinned design is correct

The non-pinned design is correct for Model 686-6 and all higher dash variants (post-MIM production)

M6 Marlin Firearms Action Rifle Model 336 Main Spring 30-30 cal

396 L-Frame

These grips fit the following Smith & Wesson N Frame models with round butt frames:

These are compact and mid-size models favored for concealed carry and duty use

Smith & Wesson K Frame Model 15 Thumb Piece & Nut Blue .38 Special K155A Walther The non-pinned design is correctOEM Smith & Wesson Thumb Piece & Nut for Model 15 Cylinder release thumb piece with nut for K Frame Model 15 Combat Masterpiece . 38 Special revolvers. Blue steel finish with old style design ensures reliable cylinder operation and proper fit. Specifications: Fits: K Frame Model 15 . 38 Special Material: Blue steel Condition: Used, fully functional Includes: Thumb piece and nut Style: Old style Part Number: K155A Genuine Smith & Wesson factory