Energy bayonet: Increases melee damage and range, allowing for a one-hit kill against normal opponents.

UNSC Army configuration with quick-acquisition sights for mid-range engagements.

Recon MA5D: Assault Rifle with Recon sight.

Test configuration issued to Spartans assigned to Infinity's science field teams, fitted with a modified LightRifle holoscope.

Morph MA5D: Assault Rifle with Morph sight.

UNSC Marine Corps Interim Fireteam Support (IFS) configuration for intermediate-range combat and long-range suppression.

Longshot MA5D: Assault Rifle with Longshot sight.

This variant is a testbed for human-Sangheili technology sharing, fitted with a modified Carbine holoscope.

Hybrid MA5D: Assault Rifle with Hybrid sight.

Security configuration issued to ONI's armed-response teams.

COG MA5D: Assault Rifle with COG sight.

When no optic is present, an integral Projection sight with an emitter embedded directly above the rifle's display screen on the cowling is often leveraged for targeting.

This variant had a removable cover worked into the cowling, concealing a 'P/N 16309' rail for the attachment of compatible systems, primarily optics. Removable shroud variant īy October 2558, a newer variant of the MA5D existed with the 'p/n 00118-B' body and the serial number of '007230814'. Renders of the Halo 5: Guardians MA5D, showing the removable shroud and rail. MA5D assault rifles issued to SPARTAN-IVs are given the same protective metamaterial coating used on the M6H2 Magnum. It is now favored due to its ruggedness and ability to withstand the conditions that are often faced on frontier colonies. By 2557 the MA5D had become standard issue. It saw continued use throughout the war, though the MA5's B and C variants remained more common. The MA5D ICWS was in limited service use as early as 2525 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. The 2525 model bears few noticeable design differences from the MA5C apart from an integrated muzzle brake, and the overall bulkiness of the newer rifle. It possesses a built-in ammunition indicator and magnetic compass for orientation similar to that of all other MA5 series rifles. The MA5D assault rifle is an air-cooled, gas-operated, magazine-fed, fully automatic bullpup rifle that fires standard 7.62×51mm FMJ-AP ammunition from a 32- or 36-round detachable box magazine.

3.7 Changes from HCS testing to Overtime.

3.6 Changes from Halo 5: Guardians to HCS testing.

3.5 Changes from Halo 5: Guardians Multiplayer Beta to Halo 5: Guardians.

3.4 Changes from Halo 2: Anniversary to Halo 5: Guardians Multiplayer Beta.

3.3 Changes from Turbo update to Halo 2: Anniversary.

3.2 Changes from Halo 4 to Turbo update.

3.1 Changes from MA37 ICWS in Halo: Reach.

Master chief assault rifle