THe R485 Rifle operation is a roller-delay blowback system, from the G3 rifle, the HK MP5, and FAMAS. It has a G36 scope and carrying handle. It shoots the newly designed .315 (7.62x65mm cartridge) and a M203 grenade launcher.
Caliber: 7.62x65mm (.385)
Designer: James K. Sullivan
Year designed: 2012
Rate of Fire: ~600 RPM
Muzzle velocity: 2,995ft/s (913 m/s)
Users: None (Proto type stages)