Colt M4A1 Carbine-Nylon Fiber Gearbox/Metal Gears Rifle
Metal gears for maximum velocity and rate of fire 300 bbs high capacity metal magazine for extended play removable carry handle & pictatinny rail underneath metal outer barrel for durability adjustable rear sight adjustable stock for all shoulder/arm fits adjustable spin up system for accuracy included charger and nymph battery metal outer barrel for durability adjustable rear sight adjustable stock for all shoulder/arm fits adjustable spin up system for accuracy included charger and nymph battery.