G&P 1500rd M4/M16 Auto Winding Drum Magazine
- This 1500rd drum magazine works perfectly with most brands of M4/M16.
- Constructed from a high density, injection molded polymer and powered by a reinforced internal gear-set.
- Designed to keep up with the most demanding rates of fire.
- A pressure switch activates the auto winding feature.
- A handy loading door is located on the top of magazine.
- Powered by one 9V battery (not included)