well d2802 m4 electric airsoft gun collapsible stock fps-250 full & semi auto(Airsoft Gun) Features: True 1:1 Scale, Looks and Feels like the US Army's M4 Rifle Electric Powered (AEG) Velocity (FPS): 250 Fully Automatic Top and Bottom RIS Top Fed BB Loading Scope Upgraded Version w/ Battery Contact in Magazine Retractable Stock Length: 32"