The Colt Rail Gun, or Colt Marine Pistol, has been selected by the United States Marine Corps as their Close Quarters Battle Pistol (CQBP), marking the first time since WWII that a Colt 1911 is being shipped to the United States Government. To honor the brave men and women of the U.S. Marine Corps, the Colt Marine Pistol is available in limited quantities through the Colt Custom Shop. The Colt Custom Shop hand fits the critical mating parts and test fires each gun. This pistol features a desert tan Cerakoted stainless steel receiver and slide (roll marked with M45-A1 on the slide), Novak 3-dot night sights, an enhanced hammer, a Colt extended ambidextrous safety lock, a 5" National Match barrel, a MIL-STD 1913 accessory rail, and a flat, serrated mainspring housing with a lanyard loop. Specifications Frame Finish: Desert Tan Cerakote Type: Pistol Action: Single Caliber: 45 Automatic Colt Pistol