User blog comment:Damac1214/Black Ops II - Rank Progression details revealed/@comment-24.92.252.98-20120910201555/@comment-76.186.41.46-20120911033054

I've heard rumors that you can't get all the guns in one prestige. I've also heard that you can unlock more each prestige, and you'll be able to have everything by tenth prestige. Again, not completely sure, so don't hold me accountable.