Will the Poseidon Avenger 3 AEG be recommended by Redmantoys Airsoft? Watch what they say in this video review. The Avenger 3 is an electric Airsoft rifle by Poseidon, made of Nylon fiber and metal handguard. It has an adjustable stock, two brackets for QD quick coupling type sling, and a textured Pistol Grip. It also features an adjustable hop-up, a 22mm top rail, and a programmable electronic trigger with a factory-installed mosfet. The sight assembly is collapsible, adjustable, and removable. The Avenger 3 also has quick-release springs for easy spring changes.