Well D3809 M16 CQB Stubby Electric Airsoft Gun Full Auto Assault Rifle FPS-300, Comes with Retractable Crane Stock, High Capacity Magazine(Airsoft Gun) Features: modeled after the iconic US Army M16 assault rifle! electric powered (AEG) CQB stubby version! (close Quarters) Velocity (FPS): 300 with 0.12g BB's Adjustable hop up System can switch between full and semi automatic with the flick of a switch Plastic receiver Retractable Stock high capacity magazine Requires Battery to run (included) length: 25 inch