The Maglula M1A and M-14 LULA Loader/Unloader loads 10 and 20 round metal and polymer 7.62/.308 magazines. It is simple to use in either loading or unloading mode. The loader/unloader eliminates thumb pain and wear on feed lips. It also prolongs magazine life. It is lightweight and small enough to fit in your pocket. The loader/unloader is crafted from durable reinforced polymer and is reliable in all weather.