Maglula LULA M-16 / AR-15 - 5.56 / .223 Magazine Loader / Unloader - The LULA works with most metal and polymer AR15 magazines and helps eliminate thumb pain or injury while also helping to prolong the life of your magazine by eliminating the wear on feed lips. Keep the LULA by Maglula in your pocket or range back with it's durable and lightweight design.