Reach the indicated amount of points to unlock the corresponding weapon.

Bonus	How to unlock
93R	86,000 points.
G3A3 for Assault class	160,000 points.
KH2002 for Assault class	17,000 points.
M39 EMR for Recon class	58,000 points.
MP412 REX	5,000 points.
MP7	34,000 points.
SG553 for Engineer class	120,000 points.