The Kel-Tec RDB-C in 5.56x45mm with 17.3-inch barrel is the Canadian-compliant variant of the RDB bullpup, limited to a fixed 5-round magazine to comply with Canadian long-gun magazine restrictions. It retains the downward-ejecting bullpup mechanism and ambidextrous design of the standard RDB. Popular in Canada where compact semi-auto rifles are regulated. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 5 Year introduced: 2016, USA Weight: 7 oz Overall length: 27.5" Status: Active Intended use: Tactical, Home Defense