The Rock Island 1911 Tactical adds a Picatinny rail, front and rear serrations, and improved sights to the standard GI 1911 platform, targeting the home defense and carry market at a competitive price. Type: Semi-Auto Pistol Action: Short Recoil Caliber: .45 ACP Capacity: 8 Year introduced: 2005, Philippines Weight: 2.4 oz Overall length: 8.5" Status: Active Intended use: Home Defense, Range, Concealed Carry