Stun your opponents with deadly suppressive semi/full automatic firepower courtesy of the Game Face M4 CQB airsoft rifle. This electric airsoft gun is built for intense cqb airsoft skirmishes with its shortened barrel and light body weight. The gun features Weaver/Picatinny tactical rails on the foregrip and top of the gun for mounting optional shooting accessories a high-capacity 300 rd magazine and a shot velocity of 335-345 fps (using .20g BBs). The Game Face M4 CQB also has an adjustable hop-up unit that changes the spin on the BBs as they are fired from the muzzle of your gun. This allows you greater accuracy on long range targets in the battlefield. This gun is a versatile weapon that won't let you down in the battlefield.