Smith & Wesson Model 66-1, .357 mag. cal. double auction revolver. Serial #65K156, mfg. 1977. Excellent condition. 6" barrel has excellent bore, ramp front sight and adjustable micrometer rear. Barrel and frame have 97% stainless finish with some fine holster rub marks on barrel. Cylinder has some rub and index marks. .265" service trigger and .375" checkered hammer. Fitted with Pachmayr Gripper rubber grips. Factory box is in very good condition, includes parts list and instructions. Nice carry gun!