black ops unlockables

heres what you unlock at each rank

Rank Level 4 – Create a Class
Rank Level 5 – Contracts
Rank Level 6 – Clan Tags
Rank Level 8 – Game Mode Challenges
Rank Level 10 – Killstreaks, Killstreak Challenges, Playercard Emblems
Rank Level 13 – Combat Records
Rank Level 15 – Medal Challenges
Rank Level 16 – Gun Emblems
Rank Level 19 – Gun Tags
Rank Level 20 – Elite Challenges
Rank Level 22 – Camouflage
Rank Level 25 – Custom Reticules
Rank Level 28 – Custom Lenses
Rank Level 30 – Final Challenges
Rank Level 31 – Facepaint
Rank Level 50 – Prestige Mode

Once you unlock Prestige Mode, you can turn in your levels for a prestige and start back at level one. You repeat this process all the way up to prestige 15. Here is the list of what you unlock during prestige mode.
Prestige 1 – Custom Class 6, Prestige Leaderboard
Prestige 3 – Custom Class 7
Prestige 5 – Custom Class 8
Prestige 7 – Custom Class 9
Prestige 9 – Custom Class 10
Prestige 11 – Face Tattoos
Prestige 13 – Clan Tag Colors
Prestige 14 – Golden Camouflage
Prestige 15 – Prestige Playlists

You should post the weapon unlocks!