The GI series provides a wide range of options in caliber, finish and size, making it one of our most versatile and durable options at a price that welcomes the budget of any prospective 1911 buyer. The frame and slide are built from 4140 steel and include button rifled barrels. Plus, each pistol is hand fitted and inspected to strict tolerances. - CALIBER 45 ACP - MAGAZINE (1) 8rd capacity - BARREL 5" - SIGHTS Fixed - GRIPS Polymer