The TNW Firearms Aero Survival Rifle in .45 ACP is a takedown pistol-caliber carbine with a 16-inch barrel that disassembles into two halves for compact transport in a backpack or bag. It accepts Glock 21 magazines and is designed around the survival and emergency preparedness market. The aluminum receiver keeps weight low. Type: Carbine Action: Semi-Automatic Caliber: .45 ACP Capacity: 13 Year introduced: 2013, USA Weight: 4.5 oz Overall length: 34.5" Status: Active Intended use: Survival, Personal Defense, Recreational