NB5821A Smith & Wesson N Frame Model 58 4" Barrel Used Part .41 Magnum Timing Component 500 This is a universal

500 This is a universal multi-frame mainspring

Smith & Wesson Model 617 -

Smith & Wesson N Frame

Model 29-1 through 29-10 variants (verify fitment with your specific dash number)

K620 Smith & Wesson Used K Frame Pre Model 10 Airweight Bolt Assembly

NB5821A Smith & Wesson N Frame Model 58 4" Barrel Used Part .41 Magnum Timing Component 500 This is a universalNB5821A Smith & Wesson Revolver N Frame Model 58 Double Action Blue Steel 4" (Pinned) Barrel Assembly Used . 41 Magnum We sale 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