The Kel-Tec SU-16C is a more compact version of the SU-16 family with a pistol-grip stock and a folding stock that allows the rifle to be stored with a loaded magazine inserted. It accepts standard AR-15 STANAG magazines and maintains the SU-16 piston operating system. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 10 Year introduced: 2006, USA Weight: 4.7 oz Overall length: 26" Status: Active Intended use: Home Defense, Compact Carry, Sport Shooting