PTS Odin Innovations M12 Sidewinder Speed Loader (1600rd Capacity)PTS Odin Innovations M12 Sidewinder Speed Loader (1600rd Capacity) Made out of Reinforced Polymer. Ultra Tough Gear Less Direct Drive. With the quick spin of a crank. Almost any M4 mid cap magazine can be fully loaded very rapidly. Allows you to load six PTS EPM1 AEG (or twelve normal mid caps) before needing to refill. Compact size fits perfectly inside any double M4 magazine pouch to easily be carried in to the field. Each rotation of the crank