The weapon unlocks are live in the companion app and are as follows:
Revolver Mk VI: Kill 25 different enemies with revolvers.
RSC SMG factory: Perform 50 kills as Assault.
RSC SMG optical: Perform 50 kills with the RSC SMG factory. In a round, perform 300 vehicle damage with explosives.
LMG 09/18 low weight: Perform 50 kills as Support
LMG 08/18 suppressive :Perform 50 kills with the LMG 08/18 low weight. In a round, perform 100 resupplies.
Ross Mk III marksman: Perform 50 kills as a Scout
M1917 Enfield infantry: Perform 50 kills with the Ross Mk III marksman. Accumulate 2500 metres of heatshots using single action rifles.
Howell Automatic factory: Perfom 50 kills as medic
Howell A