Head - AVAC (custom-cast)
Arms. waist - Barbecue
Torso - Slipstream
Legs - Armadillo

Pistol - unknown

We know that AVAC stands for Air Viper - Advanced Class. This, of course, implies that there is also Air Viper - Basic Class. AVBC does not, of course, lend itself to being pronounced by native English speakers, so just Air Viper it is. A custom-cast copy of the AVAC head forms the basis of this figure, with the idea that they'd share some tech with the Advanced Class. The Air Vipers are the pilots of the Cobra Talon II fighter.