2J45 Smith & Wesson J Frame Revolver Model 637 Barrel 1 7/8" SS .38 Sp NOS Multi-Model the 15 LB spring is

the 15 LB spring is an excellent choice for carry use

this sight dramatically improves target acquisition speed and accuracy in all lighting conditions

Length: 5 3/4"

Smith & Wesson Model 10 -

2J45 Smith & Wesson J Frame Revolver Model 637 Barrel 1 7/8" SS .38 Sp NOS Multi-Model the 15 LB spring is2 Smith and Wesson J Frame Revolver Model 637 Non Pinned Barrel 1 7 8" Stainless Steel . 38 Special New Old Stock Revolver Pistol Gun Part. 2J45 Smith & Wesson J Frame Revolver Model 637 Barrel 1 7 8" SS . 38 Special NOS 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