6.7mm Imperial

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6.7mm Imperial is a rifle cartridge developed by Doomingsland Defense Industries of Doomingsland. The standard 6.7x53mm round round is said to use a 135-grain bullet and has a quoted velocity of around 800 meters per second (2,624 feet per second). While dimensionally similar to the 6.5x50mm Arisaka and 6.5x52mm Carcano, it is in fact based on the case of DDI's full size 7.8x63mm round and is light enough to function as an intermediate caliber.


  • List of weapons that use 6.7mm Imperial
  1. DMG-83 Squad Automatic Weapon/Light Machinegun
  2. DR-83 21st Century Tactical Rifle
  3. DR-83.II Tactical Rifle
  4. DR-83.IIB Tactical Rifle
  5. DR-87 Carbine