M268 heavy machine gun
From Halopedia, the Halo wiki
The M268 Heavy Machine Gun (HMG) is an anti-personnel weapon in service with the United Nations Space Command. A single M268 is mounted on the side of a Siege Bike.[1]
Sources
- ^ Megaconstrux.com, UNSC Siege Bike: "The Siege Bike’s armament is a side-mounted heavy machine gun (M268 HMG)"