can someone help me figure out why i cant seem to get all attachments? im 11th and 65 and it says Ive completed the challenge but when i go to the create a class its still locked >:L for example the m1 carbine i want the box clip but its still locked .-. even thou the challenge says done ?? im about rdy to have someone derank me to 9th and 65 and just get 10th and 65 legit -.- just leave a post below or message me on xbl if u can help :S