From Halopedia, the Halo wiki
Manufacturer:
United Nations Space Command
Type:
Railgun
Ammunition type:
105mm slugs[1]
Operation:
Rate of fire:
Slow
Effective range:
Long
In service:
Human-Covenant War
The M98 light railgun (M98 LRG) is an anti-vehicle weapon system mounted on the SP42 Cobra, in conjunction with a pair of M66 light railguns.[2][1]
Mass drivers: Onager (Mark 2488 • Mark 2551) • Ballista