http://www.airsplat.com/Items/ER-KWA-G36C.htm
In this episode of Inside the Mechbox, ASTKilo23 takes a look at the KWA KSC G36C Airsoft Electric Gun Rifle inside and out. They take a look at the hop up chamber, gear box, piston and much more. Also, some recommendations on any upgrades if you really would like to upgrade this high-quality airsoft gun.