The gas cocking airsoft rifle from Action Army, the AAC-C1 Athena, gets the scrutiny by Arms Magazine... "Action Army, known for the bolt-action rifle T10 and gas blowback handgun AAP01, has released a new bolt-action rifle. At first glance, it looks like an air-cocking type, but it is a gas-cocking type that has a removable gas tank with a built-in gas release valve installed inside the bolt."