How a LR-300 Rifle Works

Wikipedia: Type Assault rifle Place of origin United States Production history Designer Allan Zitta Manufacturer Z-M Weapons Produced 2000-2007 (Z-M Weapons) 2009-2011 (Para Ordnance USA) Specifications Mass 3.1 kilograms (6.8 lb) Length 546 millimetres (21.5 in) Barrel length 292 millimetres (11.5 in) Cartridge ×45mm NATO Caliber Action Gas-operated, rotating bolt Rate of fire 950 rounds/min Effective firing range 300 m/328yd Feed system Various STANAG Magazines Sights Iron sights