JB42A Smith & Wesson J Frame Model 42 Air Weight Safety Lever Used .38 Special factory new failure to rotate

failure to rotate

Factory new OEM stainless steel thumb piece designed for all Smith & Wesson J Frame revolvers with the new style cylinder latch

new style) Model 66 -

38 Special were issued to military personnel

Model 500 -

JB42A Smith & Wesson J Frame Model 42 Air Weight Safety Lever Used .38 Special factory new failure to rotateJB42A Smith & Wesson J Frame Model 42 Air Weight Safety Lever Used . 38 Special 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 serial # .