MA5B Assault Rifle

The MA5B Individual Combat Weapon System is the standard-issue assault rifle of the UNSC Marine Corps. Chambered in 7.62×51mm and fed from a 60-round box magazine, the MA5B is built for sustained fire in close-to-medium engagements. Its integrated electronics suite displays round count and compass bearing, a feature that set it apart from legacy platforms at the time of its introduction. The MA5B tolerates aggressive host conditions — including full-auto suppressed fire — without a significant shift in point of impact, making it a straightforward suppressor host for shooters who prioritize volume over precision.