King Arms M16A3 Airsoft AEG With Red Dot Optic Included Barrel Backs Fronts Inserts Adapters Simply turn it ON and 4500psi Tanks Simply turn it ON and Press Record to Start The earpad was widely praised on prior VIOs and we’ve made it even better Features: Full metal Colt trademark licensed receiver Reinforced full metal 7mm gearbox Realistic simulated bolt catch system Flip up rear sight Full semi auto select fire Excellent accuracy and range Flat top railed receiver for easy mounting of optics Stamped Colt Government logo Soft felt like textured full stock Adjustable hopup Hi cap magazine included Length: 1010mm Weight: 6 Manual Manufacture: King Arms