Kel-Tec SU-16 folding 5.56 carbine with 16-inch barrel. Stores loaded 10/22-style magazines in the forestock. Type: Carbine Action: Semi-Auto Caliber: 5.56x45mm Capacity: 10 Year introduced: 2003, USA Weight: 64 oz Overall length: 26" Status: Active Intended use: Survival / personal defense