S&W K Frame Model 10 Thumb Piece & Nut Blue .38 Special 10173B Factory Original Factory OEM 2-hole extractor for

Factory OEM 2-hole extractor for Smith & Wesson K Frame revolvers chambered in

mainspring geometry differs from later K Frame production — always verify fit before installation

Part Number: 4507

K617A Smith & Wesson Used K Frame Pre Model 10 Airweight Rebound Slide Assembly

S&W K Frame Model 10 Thumb Piece & Nut Blue .38 Special 10173B Factory Original Factory OEM 2-hole extractor forSmith & Wesson K Frame Model 10 Thumb Piece and Nut in Blue Steel, . 38 Special Vintage Used Part 10173B Email at or call us for your Smith and Wesson gun part needs We sell used, new & new old stock Smith & Wesson double action revolver parts. Shoot us an email or give us a call for all your S&W Gun needs! USA Guns And Gear How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame