Description First production run Smith & Wesson model 66 Combat Magnum in .357 magnum with a six round capacity and a 4″ barrel. Made in 1974. Target K frame revolver with stainless frame, cylinder and barrel. Checkered Pachmayr “Gripper” rubber grip with finger groves. Serrated trigger and knurled hammer. Left side of frame knurled cylinder release. Rear adjustable and front fixed blade sight. Must ship to a C&R or FFL holder. Condition: Very Good with light scuffs and handling wear. Clean rifled bore. Barrel Length: 4″ Serial: 4K94078 Manufacturer: Smith & Wesson Year: 1974 Caliber: .357 Mag Model: 66 Combat Magnum Book# 07512