J804 Smith & Wesson Used J Frame Model 49 Case Hardened .238" Grooved Trigger model 31 Wolff Power Rib Mainspring for

Wolff Power Rib Mainspring for Smith & Wesson Revolvers

If you need assistance identifying your revolver or confirming compatibility

functional condition with normal wear from previous use

preventing the rod from backing out during firing and ensuring proper ejection when the cylinder is opened

J804 Smith & Wesson Used J Frame Model 49 Case Hardened .238" Grooved Trigger model 31 Wolff Power Rib Mainspring forJ804 Smith & Wesson Used Part J Frame Model 49 Case Hardened . 238" Grooved Trigger We sale Smith and Wesson Pistol and Revolver Used, New Old Stock & New parts. Shoot us an email or give us a call with all your S&W 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 no model number then