Weapons unlocking?

[faero malikite]

I have heard of a TF that allows weapon weilding characters upon completion to have special weapons unlocked.  Which tf is this, and is there a story arc pre-req?  Just wondering i have 3 toons i would like to take through this TF...thanks for the help...

[Steiner]

http://wiki.cohtitan.com/wiki/Weapon_Customization

[faero malikite]

tyvm, the link was exactly what i needed...