Hone your skills with the officially licensed Colt M4 Carbine AEG 6mm Airsoft Rifle. This electric airsoft gun (AEG) fires 0.20-gram BBs at up to 370 fps, and its lightweight and compact CQB RIS platform makes it perfect for close-quarters and run-and-gun styles of field play. It boasts a durable yet light polymer exterior to shed extra pounds and a metal gearbox and steel gears inside to maintain long-lasting reliability. Equipped with an RIS system for mounting aftermarket accessories, like lights, lasers, grips, and more. Adjustable crane stock helps you achieve a comfortable fit and feel tailored to you. Rear sight can be removed and replaced with a sight or scope of your choice. Powered by an 8.4V, 1,100mAh NiMH battery (not included), which is comfortably housed within the stock. Officially licensed AEG from Colt Fires 0.20-gram BBs at up to 370 fps Light and compact Ideal for close-quarters and run-and-gun styles of field play Durable yet lightweight polymer exterior Metal gearbox and steel gears inside for lasting reliability RIS system lets you mount aftermarket accessories Adjustable crane stock for a tailored fit and feel Rear sight can be removed and replaced with an optic of your choice Powered by an 8.4V, 1,100mAh NiMH battery (not included), which is housed in the stock