Step out on the battlefield with the semi and fully automatic Game Face GFM4 Electric Powered AEG AR-15 Assault Rifle Style Airsoft Gun. The GFM4 features an adjustable stock that lends a comfortable shooting experience for users of any body type, a high-capacity 300 rd magazine, and a shot velocity of 335-345 fps using .20g BBs. The carry handle is removable and exposes a Weaver Picatinny tactical rail for mounting optional accessories. Fine tune the GFM4's long range accuracy with the adjustable hop-up unit. This is an extremely high quality M4 Airsoft Assault Rifle, include a M4 and M16 Airsoft Cleaning Kit and keep your Professional Level M4 in pristine condition!