[OLDER VERSION] Bullgear Box [Mag ONLY] A&K (battery-in) OD GREEN FOR AIRSOFT AEG. BOX MAG ONLY MUST HAVE ADAPTOR INSTALLED!! MUST HAVE ADAPTOR INSTALLED!! Durable polymer shell with nylon cover and aluminum internals. Improved design significantly speeds up reloads. Simplified automatic feeding mechanism constructed from solid aluminum. Eliminates the need for excess hoses and wires. Upgrades motor strength to ensure reliability. Adjustable feed rate up to 2400rpm. Works with 7.4-12v batteries. Does not require a separate battery from the one in your gun to function. Battery can be stored in the bottom of box mag to power both gun and boxmag. A&K M249 Series and Other Compatible Airsoft AEG Machine Guns. 2400rpm w/ an 11.1v battery (not included, power routed through gun). Includes: 2100rnd box mag only. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. 5000ct EXACT BIO 6MM PRECISION SEEMLESS AIRSOFT BBs FOR AEG HPA GBB Choose weig. (Length:20.75) Maxx Model CNC Aluminum Double O-Ring Air Seal Nozzle for Airsoft. Solink “Budget” Brushless LITE motor for AEG AIRSOFT. Solink SLC Digital programming card for Solink V5 Motor AEG AIRSOFT.