Battlefield: Bad Company 2

At the "Multiplayer" menu select "Unlockables" and enter in the given codes.
aw3somef1rep0wer	Demolition Kit - USAS12
try4ndrunf0rcov3r	M60 Machine Gun
your3mynextt4rget	QBU-88 Sniper Rifle
cov3r1ngthecorn3r	Uzi

 