Our take: The A&K M249 Auto-winding Box Magazine is the factory original box magazine for the A&K M249 SAW AEG. The A&K M249 auto-winding box magazine has two feeding settings, sound activated and auto. The sound activated setting only winds the magazine while the AEG is being fired, while the auto setting continuously winds the magazine. Both of these settings work perfectly, and make sure that you will always have rounds ready to fire. The M249 Box magazine features an easy load opening at the top of the magazine, which holds 2,500 BBs! The A&K M249 Box magazine is powered by two AA batteries (not included), which can be easily installed into the side of the box magazine. This magazine is a must have for any airsoft heavy SAW gunner!
Construction: Impact Resistant Polymer outer shell
Compatibility: A&K M249 SAW AEGs
Operation: Electric Auto/ Sound Activated winding magazine
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