Standard APC

the standard model is equipped with a 360 degree cupola-mounted heavy machine gun (VnS-10 Scylla ) operated by a helghast gunner, the vehicle is able to carry a squad of helghast in a closed rear compartment; the rear of the vehicle drops to allow troops to dismount.
AA(Anti Air) Model APC

The APC (AA turret) has a roof mounted over the rear compartment and no machinegun, but instead features a Helghast APC AA rotating turret mounting for helghast AA guns (EAW25/4 Chimera Heavy Weapons Platform ). To support the AA turret and the complex mounting and necessary liquid hydrogen cooling system for the cooling for the four barrels to maintain a high rate of fire,a roof for carrying the extra equipment has been placed over the rear compartment. it still as the ability to carry a helghast squad.
MRL Model APC

The multiple rocket launcher (MRL) is a powerful fire-support variant of the APC. Mounting 16 rockets in a roof mounted pack, the MRL is used to lay down a devastating blankets of explosives in a short space of time. it is believed the the troop carrying ability hasn't been lost in the modification, though the rear compartment is usually used for the storage of ammunition for the MRL.
