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M370 Autocannon

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The M370 autocannon is an anti-personnel/anti-vehicle weapon mounted below the nose of most D77-TC Pelican dropships.[1] The weapon fires 70mm depleted uranium slugs and is sometimes twin-linked with another such weapon, doubling its firepower.[2] The gun is linked to the movements of the pilot's head, which allows for very short delays between spotting enemies and firing; the turret can rotate up to 120 degrees to wherever the pilot is looking. The turret can also be operated by a copilot, or manually by a gunner.[3] The weapon seemingly replaced the 40mm chain gun, that was common prior to 2525.[4]




  1. Halo: The Essential Visual Guide, page 135
  2. Halo: Ghosts of Onyx, page 40
  3. Halo: The Flood, page 39
  4. Halo: The Fall of Reach, page 92 ("John sized up her armaments - dented and charred armor, a pair of old, out-of-date 40mm chain guns.")

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