All weapons and mods need unlock but all weapons and mods expensive.Role rewards should be discount.For example rifle man role 14 complete your rewards %35 discount etc.
https://www.google.com/search?q=apb+reloaded+weapon+skin&rlz=1C1SQJL_enTR893TR893&source=lnms&tbm=isch&sa=X&ved=2ahUKEwizi5r3xOTpAhWOtIsKHYK8CZQQ_AUoAXoECAwQAw&biw=1920&bih=969#imgrc=BPKqVSD_QYvO0M
Oca nano skin