Blackwater BW15 R.I.S tactical M4 Style 1:1 Scale full size Airsoft Electric machine gun manufactured by Cybergun. The BW15 is manufactured from toughened ABS anti-shock plastic with internal metal parts, which gives great build quality and no flexing. The BW15 has been carefully balanced in two tone black and smoked resin, so that the screws and extra parts remain black. The BW15 has an ergo friendly design suitable for both left and right handed users, with a soft touch rubberized stock and grip, plus 4x RIS rails on the barrel for tactical upgrades. The BW15 can fire in fully automatic and semi auto firing modes, and this gun features a durable hi-torque pro-grade AEG gearbox with nylon and metal gears, plus this model features a larger uprated Blackwater specification electronic motor which ensures a fast rate of high velocity shooting. The BW15 is supplied high capacity magazine that will hold approx 300 rounds for extended battle times. The BW15 features an internal SPIN UP firing system for increased accuracy and firing distance. The BW15 is supplied with a long life NI-MH re-chargeable battery and UK mains charger. The BW15 is great piece of kit, just charge up the battery and your ready for battle!. We recommend only using 6mm high quality BB’s with this machine gun.