Flashmag design offers high speed ergonomic winding without additional power source Cubed design doesn't alter weapon profile constructed from lightweight and heavy-duty USA DuPont polymer material, exported to Taiwan specifically for molding these magazines Compatible with Firestorm mag adapters for various AEG platforms Optimized internal design provides consistent feeding and performance 2000 rounds high capacity Ribbed body improves loading and unloading manipulations Modular design allows for easy replacement of worn out components The Angel Custom Firestorm Drum magazine represents the pinnacle of research and development in the search for a compact, reliable, high capacity Airsoft magazine. The Firestorm takes the high capacity capability of popular electric winding drum magazines and replaces the jamming prone electric motors with the popular operator manipulated flashmag mechanism improving the overall reliability and feeding capability of the magazine. Unlike most other high capacity drum style magazines on the market, the Firestorm is not tied to a single weapon platform. Angel Custom offers the adapters for the firestorm separate, allowing for it to be used in M4/M16, AK and G36 style Airsoft AEGs, one magazine, three different weapon types. Compact in design, lightweight in construction and devastating in capacity, the Firestorm provides the ability to offer SAW style suppressive fire without SAW size and weight. Now in a slightly larger format, the "BLOK" Firestorm magazine brings the ease of use and familiarity form the original 1500 round format, and provides an extra 500 round. Manufacturer: Angel Custom