4138C Smith & Wesson Pistol Model 41 .22 Long Magazine Disconnector (blue Steel) mp-40-10-compact 13 LB reduced power rebound

13 LB reduced power rebound spring

Model 4576:

4" barrel and up)

Genuine Smith & Wesson factory internal parts for the N Frame Model 58 revolver in

Easy screw-in installation - no gunsmithing required

4138C Smith & Wesson Pistol Model 41 .22 Long Magazine Disconnector (blue Steel) mp-40-10-compact 13 LB reduced power reboundPart# 4138C Smith & Wesson Pistol Model 41 . 22 Long Rifle MAGAZINE DISCONNECTOR (Blue Steel) 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 # . If this is the case contact