You unlock the RPG at level 65.
In Call of Duty 4: Modern Warfare, the M14 rifle is unlocked at Level 46 in multiplayer.
You unlock the museum, an extra level displaying all of the levels off the campaign.
You unlock it by getting to 10th Prestige.
you can unlock it with you're first killstreak award unlock
ak47
Level 22 :)
Level 48
You get it all at a certain level
You unlock it at Level 67.
When you unlock create a class.
how do you unlock Municion viva on call of duty modern warfare mobilized
you will need to get to level 50 to unlock it
In Call of Duty 4: Modern Warfare, the M14 rifle is unlocked at Level 46 in multiplayer.
You unlock It o use freely after level 4 of which you can use create a class
You can unlock mods by level or challenges for each separate guns! Hope This Helps!
I think I unlocked it at level 18.
Every level or so you will unlock a point, and you can use it on which ever kill streak you want.