User blog comment:Argorrath/Black Ops II Multiplayer Unlock Progression Revealed/@comment-402843-20121112220030/@comment-184.189.214.127-20121112225204

Yes. According to David Vanderhaar (or however the hell you spell it) you get one unlock per level (resets upon prestige) and carry one through prestige, per prestige. Additionally, upon reaching presting 10 level 55 you will unlock everything