Nighthawk is a Manufacturer of Custom 1911’s. PSI imports and distributes LPA adjustable pistol sights and tactical shotgun sights, ACT-MAG / PSI world class quality semi-auto Colt 1911 magazines. Sig 220 after market magazines, Kimber, Para P14, and Beretta92. New for 2012 Smith & Wesson M&P 9mm 15 and 17 rd magazines. PSI / ACT-MAG / LPA supplies most manufacturers and the Government.