Edit History

Based on Open source material and Hints of Co-Ax on the in game models some are flat missing but actual test vehicles they are modeling may not have had Co-Ax added due to reasons of level of testing at program cancelation.
IT-1 PKT 7.62mm x 54 Rimmed 2,000 rounds stowed on production series vehicles.
Type 89 IFV Type 74 7.62 NATO 
Draco Never series produced offered with any CO-AX in reason Game Model shows Co-Ax as tip of Barrel for what appears to be a Browning M2 HB 50 cal.
Added
Object 287 PKT 7.62 x 54 3,000 rounds carried Testers mentioned it was best weapon on a poorly designed vehicle.

Based on Open source material and Hints of Co-Ax on the in game models some are flat missing but actual test vehicles they are modeling may not have had Co-Ax added due to reasons of level of testing at program cancelation.
IT-1 PKT 7.62mm x 54 Rimmed 2,000 rounds stowed on production series vehicles.
Type 89 IFV Type 74 7.62 NATO 
Draco Never series produced offered with any CO-AX in reason Game Model shows Co-Ax as tip of Barrel for what appears to be a Browning M2 HB 50 cal.