The Colt Rail Gun or Colt Marine Pistol has been selected by the United States Marine Corps as their Close Quarters Battle Pistol (CQBP). It has an enhanced hammer a Colt extended ambidextrous safety lock and a 5″ National Match barrel. In honor of the brave men and women who serve our country this M45A1 is the same gun issued to them minus their USMC stamp. Comes with 1 magazine. This model stands out with the Brown Decobond-coated stainless steel receiver and slide Novak 3-dot night sights a MIL-STD 1913 accessory rail and a flat serrated mainspring housing with a lanyard loop.