The TNW Aero Survival Rifle in .45 ACP uses the same takedown platform as the 9mm model with conversion for the .45 ACP cartridge. It accepts 1911-style single-stack or compatible .45 ACP magazines and provides improved terminal performance for defense in a lightweight package. Type: Semi-Auto Rifle Action: Blowback Caliber: .45 ACP Capacity: 13 Year introduced: 2012, USA Weight: 5 oz Overall length: 32.5" Status: Active Intended use: Survival, Home Defense, Range