Fortress does a quick demonstration of the SIG Air ProForce MCX with Wolverine Airsoft Inferno Gen 2 HPA engine installed. They also got a series of HPA-powered airsoft rifles availble for Japanese airsoft players... "Based on SIG AIR MCX VIRTUS, Fortress incorporated 'Wolverine Airsoft Inferno Gen.2' into a solenoid valve!"

Taktik Airsoft shows the Wraith Stock from Wolverine Airsoft that allows airsoft players to power their HPA airsoft guns without the need for an external tank... "Inferno Gen 2 system tested with the Wolverine Wraith in Stock. It's essentially an HPA configuration without the remote running on CO2 cartridges."