Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special Used j60u P3 Smith & Wesson Revolver

P3 Smith & Wesson Revolver J Frame Pre-Model 31 Police Regulation 5 Screw Side Plate Used Part

5" Length: Standard barrel length for M&P 45 Full Size pistols

manufactured to original S&W specifications

and proper ignition

Smith & Wesson J Frame Model 37 Airweight Hammer Block Old Style .38 Special Used j60u P3 Smith & Wesson RevolverSmith & Wesson J Frame Model 37 Airweight Hammer Block Old Style . 38 Special Used (Part# J3710A) This listing is for one used Smith & Wesson J Frame Model 37 Airweight hammer block in the old style configuration. This is an OEM factory part in used condition, removed from a functioning firearm. The hammer block is a passive safety component that prevents the firing pin from contacting the primer unless the trigger is fully depressed. Note: This is