57179 Smith & Wesson N Frame Model 57 Thumb Piece & Nut Blue Steel .41 Magnum Used stripper clip guide Part Number: J770

Part Number: J770

This is a precision operation that requires:

Used Smith & Wesson locking block with pins removed from M&P Shield

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The magazine catch locks the magazine into the pistol grip and releases it when the magazine release button is pressed

57179 Smith & Wesson N Frame Model 57 Thumb Piece & Nut Blue Steel .41 Magnum Used stripper clip guide Part Number: J770Part# 57179 Smith & Wesson N Frame Model 57 Thumb Piece & Nut . 41 Magnum Blue Steel Old Style Used Part 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 for a MODEL NUMBER. Model numbers began in 1957 58. So if