The GSG 1911 AD-OPS is a faithful reproduction of the classic full sized .45 ACP 1911. With a feel and weight that are essentially the same as the full blooded version this .22 Long Rifle makes a great choice for economical training pistol. Additionally GSG has incorporated fixed sights, accessory rail, beavertail grip safety, 5" threaded barrel with fake suppressor, and magazine disconnect into this tactical plinker.