SWMS222 Smith & Wesson New K, L & N Frame "Power Rib" Mainspring 071090000 Smith & Wesson Model 12

Smith & Wesson Model 12 -

rattle-free fit

We specialize in Smith & Wesson pistol and revolver parts - used

and timing

Style: New-style MIM design

SWMS222 Smith & Wesson New K, L & N Frame "Power Rib" Mainspring 071090000 Smith & Wesson Model 12SWMS222 Smith & Wesson New K, L & N Frame "Power Rib" Mainspring New Revolver Gun Part Please call or email with any questions! 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 there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the