| Helmets | |||||
|---|---|---|---|---|---|
| Helmet | Unlock (Halo 4) | Unlock (Halo: The Master Chief Collection) | Skins | Unlock (Halo 4) | Unlock (Halo: The Master Chief Collection) |
| Aviator | SR-11 | Unlocked by default | VERG | Complete Vehicle Mastery Commendation | Unlocked by default on Season 4 update |
| VISN | Classified Flying Colors archive | Unlocked by default on Season 4 update | |||
| Aviator | SR-17 | Unlocked by default | BOND | Complete Wheelman Commendation | Unlocked by default |
| CIO | Complete Spartan Slayer Commendation | Unlocked by default on Season 4 update | WEB | Pre-order Halo 4 from Amazon.com | Unlocked by default on Season 4 update |
| RUIN | Buy the Spartan CIO figure from McFarlane Toys' Halo 4 Series 2 | Unlocked by default on Season 4 update | |||
| RUSH | Classified Flying Colors archive | Unlocked by default on Season 4 update | |||
| Commando | Complete Dominion Victory Commendation | Unlocked by default | FRCT | Complete Flood Victory Commendation | Unlocked by default on Season 4 update |
| Deadeye | Pre-order Halo 4 from Best Buy or Play.com | Unlocked by default | N/A | ||
| Defender | SR-24 | Unlocked by default | CTRL | Complete Bullet in the Brain Commendation | Unlocked by default on Season 4 update |
| CLMN | Buying the Champions Bundle | Unlocked by default on Season 4 update | |||
| Enforcer | SR-50 | Unlocked by default | TRBL | Complete Mounted Turret Commendation | Unlocked by default on Season 4 update |
| TRCR | Buying the Champions Bundle | Unlocked by default on Season 4 update | |||
| Engineer | EN-4 | Unlocked by default | EDGE | EN-9 | Unlocked by default on Season 4 update |
| EOD | SR-45 | Unlocked by default | SHWD | Complete Regicide Victory Commendation | Unlocked by default on Season 4 update |
| EVA-class Mjolnir | SR-27 | Unlocked by default | BRCH | Complete Hail of Death Commendation | Unlocked by default on Season 4 update |
| FOTUS | Buying Halo 4 Limited Edition Console | Unlocked by default | N/A | ||
| GUNGNIR | Complete Slayer Victory Commendation | Unlocked by default | PULS | Pre-order Halo 4 from Microsoft | Unlocked by default on Season 4 update |
| HAZOP | SR-43 | Unlocked by default | FRST | Pre-order Halo 4 from GameStop | Unlocked by default on Season 4 update |
