Tier 1
Extreme Conditioning – Sprint longer distances + Climb obstacles faster
Sleight Of Hand – Reload faster + Faster weapon swapping
Scavanger – Reload ammo from bags + Spawn with more ammo
Blind Eye – Undetectable from air support + Faster launcher lock on and extra damage to air support
Recon – Explosive damage marks target on HUD + Bullet damage marks target on HUD

Tier 2
Hardline – One less kill for Killstreak + Two assists count as a kill towards next killstreak (Like)
Assassin – Immune to UAV, Motion Sensor, Thermal and Heartbeat Sensor + Immune to CUAV & EMP
Overkill – Two primary weapons + Second primary can have 2 attachments
Quickdraw – Faster aim down sights + Faster animation of using equipment and throwing grenade
Blastshield – Flack Jacket (Immune to most explosives) + Immune to stuns and flashes

Tier 3
Sitrep – Enemy equipment is visible + Enemy footsteps are more clear
Dead Silence – Your footsteps are silent + No fall damage
Stalker – Faster movement with ADS + Delay on claymores
Marksman – ID target from range + Longer hold breath on scoped weapons
Steady Aim – Increased hip fire accuracy + Faster aim down sight while sprinting