Assignments

According to bf3blog…

You unlock weapons in the Karkand pack by completing the following assignments:

FAMAS (“Best Friend Forever” assignment)
•10 heals
•10 revives

L85A2 (“Professional Russian”)
•100 kills with assault rifles
•20 kills with grenade launcher
•Win 5 rounds of Squad Deathmatch

MP5 / HK53 (“Fixing it”)
•10 repairs
•1 kill with repair torch

QBZ-95B (“It Goes Boom”)
•50 anti-tank rocket kills
•5 conquest round wins
•Destroy 1 enemy vehicle with repair torch

QBB-95 (“Let It Rain”)
•20 kills with light machine guns
•2 mortar kills

QBU-88 (“Specops”)
•20 sniper rifle kills
•5 laser designator assists

MG36 (“Keep Your Head Down”)
•100 kills with light machine guns
•50 suppression kill assists
•50 ammo resupplies

L96 (“Creeping Death”)
•50 headshots
•50 spot assists
•5 knife kills

PP-19 (“Familiar Territory”)
•Capture 10 flags
•Arm 10 MCOM stations
•Play 2 hours on Strike At Karkand

Jackhammer / MK3A3 (“Scarred Veteran”)
•10 kills with PP-19
•10 kills with BTR-90
•5 kills with DPV jeep
•Play 2 hours on Gulf of Oman
•Play 2 hours on Sharqi Peninsula