3781 Smith & Wesson J Frame Model 37 Airweight Cylinder Stop & Spring .38 Special Stirrup Pin Factory OEM cylinder center pin

Factory OEM cylinder center pin designed specifically for J Frame revolvers with 3" barrels

or custom build on any standard 1911 platform

Capacity: 6 rounds

New Style vs

Smooth Face (NOT MIM)

3781 Smith & Wesson J Frame Model 37 Airweight Cylinder Stop & Spring .38 Special Stirrup Pin Factory OEM cylinder center pinPart # 3781 Smith & Wesson J Frame Model 37 Airweight Cylinder Stop & Spring . 38 Special Used Part 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 58. So if there is