Military Arms Corporation MAC 9 Double Stack, Single Action Only, Semi-automatic, Steel Frame Pistol, Carry Size, 9MM, 4.25 Barrel, QPD Finish, Black, 11 Degree Target Crown, AGENCY AOS Optics Cut, Fiber Optic Front and Low Profile Combat Rear Sights, 17 Rounds, 2 Magazines 12500014 Designed by Military Armament Corporation in Knoxville, TN and built by Tisas to their exacting standards, the MAC 1911-9 Double Stack is here!