MA5D assault rifle

The MA5D Individual Combat Weapon System (ICWS) is an assault rifle used by the United Nations Space Command. Like the rest of the MA5 series, the MA5D is designed and manufactured by Misriah Armory.

Overview
The MA5D assault rifle is an air-cooled, gas-operated, magazine-fed, fully automatic bullpup rifle that fires standard 7.62x51mm FMJ-AP ammunition from a 32-round detachable box magazine. It possesses a built-in ammunition indicator and magnetic compass for orientation similar to that of all other MA5 series rifles. It bears few design differences from the MA5C apart from an integrated muzzle brake.

The MA5D ICWS was in limited service use as early as 2526 when it was issued to officer cadets, drill instructors, and security personnel at the Corbulo Academy of Military Science, as well as Spartan Blue Team. It saw continued use throughout the war, though the MA5's B and C variants remained more common. By 2557 the MA5D had become standard issue. It is now favored due to its ruggedness and ability to withstand the conditions that are often faced on frontier colonies.

Differences from MA37 ICWS in Halo: Reach

 * Altered firing sound
 * Heavier but more controllable reticle bloom
 * More damage per round: only 13 shots are needed to kill a fully-shielded Spartan instead of 19.
 * Slightly increased rate of fire
 * Maximum reserve ammo has been reduced from 288 rounds to 256 rounds, and a standard reserve of 224 rounds, forcing the player to scavenge for ammo more frequently.

Videos
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List of appearances

 * The Commissioning
 * Scanned
 * Halo 4: Forward Unto Dawn
 * Halo 4
 * Spartan Ops
 * Halo: Spartan Assault
 * Halo: Initiation
 * Halo: Escalation
 * Halo 2 Anniversary
 * Halo: Nightfall
 * Halo 5: Guardians