At the Evike.com's Airsoftcon 2014, Josh and Adella Relentless were the shooting range to let players have their chance to try the Valken Tactical V12 Drop-in HPA Engine that can be used with AEG bodies. The rifle used their looks like a custom-made one but for those who want a complete airsoft gun with the V12 engine can look for the G&G CM16 Raider-L Powered by Valken V12 Engine which is available at airsoft retailers.
The latest entry into Airsoft HPA Systema, the Valken V12 HPA System that comes already packaged inside G&G Combat Machine AEG bodies, giving you a complete airsoft HPA gun platform, gets featured in Evike.com's "The Gun Corner"... "The V-12 Airsoft Engine is Valken’s entry into the HPA class of airsoft guns.