Battlefield bad company weapon unlocks!

Still using the same standard Weapons?
Go to the market place and press Redeem Code (Which button that is you can see at the bottom)
Then type the following codes:

M60 machine gun

Enter "try4ndrunf0rcov3r" as a code to unlock the M60 machine gun.

QBU-88 sniper rifle

Enter "your3mynextt4rget" as a code to unlock the QBU-88 sniper rifle.

Uzi

Enter "cov3r1ngthecorn3r" as a code to unlock the Uzi.

Enter the codes as they are!
If your still not satisfied then do the following:
F2000: Link your Xbox Live name to your Electronic Arts account. Log into your Electronic Arts account, then go to this page to associate your Xbox Live name with it.

Also if you go to http://badcompany.ea.com/ log in and find the option: Become a Veteran
This way you will reicieve another gun! (The website is currently offline so wait 1-2 days)

Hope that helped!