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

Part Number: 226870000

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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