Private
Level 1 - All starting equipment
Level 2 - Demolitions class weapon class
Level 3 - Sniper class weapon class

Lance Corporal
Level 4 - Create a class
Level 5 - Gun challenges
Level 6 - New playlists

Corporal
Level 7 - M21 Sniper rifle
Level 8 - Last stand perk class 3
Level 9 - Boot camp challenges 1

Sergeant
Level 10 - M4 carbine assault rifle
Level 11 - UAV jammer perk class 2
Level 12 - Clan tag

Staff Sergeant
Level 13 - Mini uzi submachine gun
Level 14 - Bomb squad perk class 1
Level 15 - Boot camp challenges 2

Gunnery Sergeant
Level 16 - M1911 pistol
Level 17 - Martyrdom perk class 2
Level 18 - Boot camp challenges 3

Master Sergeant
Level 19 - M60E4 light machine gun
Level 20 - Sleight of hand perk class 2
Level 21 - Operations challenges

Master Gunnery Sergeant
Level 22 - Dragunov sniper rifle
Level 23 - Claymore perk class 1
Level 24 - Operations challenges 2

2nd Lieutenant
Level 25 - G3 assault rifle
Level 26 - Iron lungs perk class 3
Level 27 - Operations challenges 3

1st Lieutenant
Level 28 - AK-74U submachine gun
Level 29 - Double tab perk class 2
Level 30 - Killer challenges

Captain
Level 31 - M1014 shotgun
Level 32 - Bandolier perk class 1
Level 33 - Killer challenges 2

Major
Level 34 - R700 sniper rifle
Level 35 - Eavesdrop perk class 3
Level 36 - Killer challenges 3

Lieutenant Colonel
Level 37 - G36C assault rifle
Level 38 - Overkill perk class 2
Level 39 - Killer challenges 4

Colonel
Level 40 - P90 submachine gun
Level 41 - Frag x3 perk class 1
Level 42 - Humiliation challenges

Brigadier General
Level 43 - Desert eagle pistol
Level 44 - Dead silence perk class 3
Level 45 - Humiliation challenges 2

Major General
Level 46 - M14 assault rifle
Level 47 - Humiliation challenges 3
Level 48 - Humiliation challenges 4

Lieutenant General
Level 49 - Barret sniper rifle
Level 50 - Humiliation challenges 5
Level 51 - Elite challenges

Commander
Level 52 - MP44 assault rifle
Level 53 - Elite challenges 2
Level 54 - Elite challenges 3
Level 55 - Commander prestige mode and golden desert eagle