Kel-Tec SU-16 lightweight folding rifle in .223 Rem accepting AR-15 magazines, designed for maximum portability in a standard rifle caliber. Type: Rifle Action: Semi-Automatic Caliber: .223 Rem Capacity: 10 Year introduced: 2003, USA Weight: 80 oz Overall length: 26" Status: Active Intended use: Survival, Compact, General Purpose