CYMA M14 400rnd High-Cap Magazine - Black, is a High Capacity Magazine designed to fit M14 Airsoft 6mm BB AEG Electric Guns. The Magazine is constructed with an Alloy shell with Polymer internals. The magazine is wound from the bottom, and features a large filling window at the top. The magazine holds up to 400 rounds, making it perfect for those Airsoft Players who want to minimize the time spent reloading rather than playing, or those Airsoft Skirmisher who value accuracy via Volume. This magazine is reccomended to those who need more magazines for their US Army M14 loadout, allowing you to buy lots of magazine at a low price. The magazine is designed for CYMA / Tokyo Marui type magazine wells but may fit other manufacturers.