SN: 7K55522 (USBP-3113). 1975 production, .357 Magnum with a 4″ barrel. Bore is bright with strong rifling. Rare No-Dash model 66 commemorating the U.S. Border Patrol 50th year of service. This stainless steel Combat Magnum revolver features wood grips and is pinned & recessed. Metal is marked “1924-U.S. Border Patrol-1974” on the barrel and the U.S. Border Patrol badge on the frame. Very good condition overall. Comes with wooden presentation box, original factory box, papers, and tools. These were a limited production run in 1976 with approximately 3100 units made, making this desirable for any collection.