Level 10
it should already be unlocked at the beginning
The flamethrower is unlocked at level 65 along with the M1A1 carbine.
In Call of Duty 4: Modern Warfare, the M14 rifle is unlocked at Level 46 in multiplayer.
It is unlocked as one of your perks when you reach level 65.
The Desert Eagle* is unlocked at level 52.
The assualt rifle Acr is unlocked at level 48.
The Type 100 Sub-Machine Gun is unlocked at level 25. -Cry0-Joe
I think I unlocked it at level 18.
The AK-47 is unlocked at level 38 , and it costs 2000 cod points.
you can get it through the create a class, it should be unlocked straight away
Level 25
In call of duty 5 world at war, it is called their land their blood.