Cold Blooded pro glitch.

This is a pretty easy glitch to do.

Your gonna wanna set your class up with a LMG and cold blooded on of course.

Go into a cage match with a friend, let him get an attack helicopter.

Once he calls it in start shooting it down, make him help also, once it starts to smoke continue to shoot it, you should be getting the challenges quickly and have Pro in about 10 seconds.

thanks it worked for me

yeah that helped me, thanks

Dude thanks for the help took me forever to do this and would remain forever if u havent told me about this

Thank u man u r awesome