Unlockables

Found this to be a really handy reference looking forward. Gave me a lot of direction toward which specializations I am going to focus on first. You can put together some pretty sweet combinations with these:

http://www.examiner.com/article/halo-4-weapon-armor-ability-tactical-pac...

and since I know how lazy some of us are:

Primary Weapon

• Assault Rifle – Default
• Battle Rifle – SR-1, 1 Spartan Points
• DMR – SR-1, 1 Spartan Points
• Storm Rifle – SR-5, 2 Spartan Points
• Covenant Carbine – SR-5, 2 Spartan Points
• Suppressor – SR-22, 2 Spartan Points
• Lightrifle – SR-22, 2 Spartan Points

Secondary Weapon

• Magnum – Default
• Plasma Pistol – SR-8, 2 Spartan Points
• Boltshot – SR-18, 2 Spartan Points

Grenade

• Frag Grenade – Default
• Plasma Grenade – SR-8, 2 Spartan Points
• Pulse Grenade – SR-18, 2 Spartan Points

Armor Ability

• Promethean Vision – SR-1, 2 Spartan Points
  Allow users to detect enemy signatures through walls and other hard surfaces.
• Thruster Pack – SR-1, 2 Spartan Points
  Enables a powerful burst of movement offering the ability to evade or quickly close the gap.
• Hologram – SR-6, 3 Spartan Points
  Allows a user to generate a nearly identical holographic decoy to deceive enemies during combat.
• Jet Pack – SR-6, 3 Spartan Points
  Allows users limited flight through a vertical lift propulsion system similar to that of EVA reentry packs.
• Hardlight Shield – SR-10, 3 Spartan Points
  Allows users to generate a protective barrier of hard light which stops most small arms fire and some explosives.
• Active Camoflauge – SR-10, 3 Spartan Points
  Allows users to generate a visual effect stunningly close to invisibility.
• Autosentry – SR-16, 3 Spartan Points
  An automated turret which can be deployed to defend its user or command a key battlefield chokepoint.
• Regeneration Field – SR-16, 3 Spartan Points
  Allows users to release a short-range energy field that heals any nearby Spartan.

Tactical Package – Unlocks at SR-7

• Shielding – SR-7, 1 Spartan Points
  Speeds up your armor's energy shield recharge rate.
• Mobility – SR-7, 1 Spartan Point
  Allows unlimited sprint.
• Resupply – SR-14, 1 Spartan Point
  Allows the recovery of grenades from fallen allies and foes.
• AA Efficiency – SR-14, 1 Spartan Point
  Increases the rate of which energy recharges for your Armor Abilities.
• Grenadier – SR-24, 1 Spartan Point
  Increases the grenade carrying capacity.
• Firepower – SR-24, 1 Spartan Point
  Allows you the use of a Primary Weapon in the secondary weapon slot.
• Fast Track (Pioneer Specialization) – SR50, 1 Spartan Point
  Allows user to advance quicker in rank.
• Requisition (Tracker Specialization) – SR-50, 1 Spartan Point
  Lets the player request new choices when an ordinance is granted.
• Wheelman (Operator Specialization) – SR-50, 1 Spartan Point
  Increases the long term durability of your vehicle / how it reacts to EMP charges.

Support Upgrade – Unlocks at SR-12

• Ammo – SR-12, 1 Spartan Point
  You get an extra clip when you spawn.
• Dexterity – SR-12, 1 Spartan Point
  Allows faster reload times and switch weapon animation speed.
• Sensor – SR-20, 1 Spartan Point
  Increased Motion Tracker Range.
• Awareness – SR-20, 1 Spartan Point
  You retain your motion sensor while scoped.
• Explosives – SR-26, 1 Spartan Point
  Increases grenade strength and decreases grenade damage to the user.
• Ordnance Priority – SR-26, 1 Point
  Reduced Threshold for Personal Ordinance.
• Drop Recon (Engineer Specialization) – SR-50, 1 Spartan Point
  HUD Indicator for incoming ordinance.
• Gunner (Pathfinder Specialization) – SR-50, 1 Spartan Point
  Turret Cooldown + Mobility while Carrying.
• Nemesis (Stalker Specialization) – SR-50, 1 Spartan Point
  Allows users to target and track down previous attacking enemies, highlighting them on the armor’s passive sensors.
• Stability (Rogue Specialization) – SR-50, 1 Spartan Point
  Reduced Flinch While Shot In-Scope.
• Stealth (Wetwork Specialization) – SR-50, 1 Spartan Point
  Faster Assassinations, Quieter Footsteps, Reduced Visibility vs. Promethean Vision.

Custom Loadouts

• Loadout 1 – Default
• Loadout 2 – SR-6
• Loadout 3 – SR-14
• Loadout 4 – SR-26
• Loadout 5 – SR-41