Lancer Tactical LT-04B M16 RIS Electric Airsoft Gun Metal Gear FPS-400(Airsoft Gun) Features: manufactured by Lancer Tactical! true 1: 1 scale, modeled after the M16 assault rifle! electric powered (AEG) Velocity: 400 FPS with 0.20g BB's full metal V2 gearbox with high performance, long type electric motor ported piston head custom 120 spring 6.03 mm precision tight bore Copper inner barrel tactical polymer foregrip high capacity 300 round magazine adjustable Hop-Up System can Fire both semi and fully automatic Working safety Retractable Stock adjustable vertical foregrip integrated rail System removable carrying handle Smart Charger recommended for all AEG rifles Use high quality seamless rounds, 0.20g or heavier, to avoid misfires and jams Comes with 1000 count Lancer Tactical extreme precision premium BB's