Smith & Wesson K Frame Model 66 Internal Parts Kit New Style .357 Magnum Used - 66159B1 .260" Trigger Perfect for repairs

Perfect for repairs

and small parts to a mirror finish

Upgrade your M&P pistol with this genuine Smith & Wesson tritium rear night sight for enhanced low-light shooting capability

Essential component for pistol maintenance

Smith & Wesson K Frame Model 66 Internal Parts Kit New Style .357 Magnum Used - 66159B1 .260" Trigger Perfect for repairsSmith & Wesson K Frame Model 66 Internal Parts Kit Used OEM Part Genuine Smith & Wesson factory internal parts kit for the K Frame Model 66 revolver, chambered in . 357 Magnum. New style with new yoke retention. All parts removed from a used firearm and in good working condition. An excellent value for restoring or rebuilding a Model 66 action. Part Details Part Number: 66159B1 Condition: Used OEM Frame: K Frame Compatible Model: Model 66 (. 357