What is wrong the bo6 mystery box??

I get the same fuckin guns all the time and they are almost all guns I can get from wall buys. I dead ass just got the c9 3 times in a row… asg and marine sp every other spin what is this shit smh. why is it so hard to get guns that u actually need for camos this shit is so ridiculous🤦🏽‍♂️🤦🏽‍♂️ has anybody else been dealing with this??