Unleash a barrage of suppressive semi/full automatic firepower to advance your squad on the battlefield. The G&G GC16 M4 Carbine is an awesome gun based on the look and feel of the standard military issue M4 rifle. The gun feaures a removable carry handle that exposes a Weaver/Picatinny tactical rail for mounting Red Dot Sights, a high-capacity 450 rd magazine and shot velocity of 400-420 fps (using .20g BBs). The stock is adjustable, so you can adjust the length of the gun to comfortably suit your body. This rifle is an excellent choice for novice and experienced airsoft enthusiasts. Experience the versatility and awesome power of this unique gun!