The Odin-Innovations M12 Sidewinder is an essential asset for any airsoft enthusiast. With smooth-turning operation, almost any M4 mid-cap magazine can be fully loaded in no time. Its lightweight composition and small size of 182 x 68 x 45 mm easily fit any double M4 magazine loader, making it highly portable. Top features include: a high capacity holding up to 1600 balls, each rotation loading up to 12 balls, and a robust, reinforced polymer construction.