MagLULA Armalite AR10B GenII LULA 7.62 / .308 magazine loader and unloader. Fits 5, 10, 15, 20, and 25 round AR10B Gen. II Armalite metal magazines. Benefits : All-in-one magazine speed loader and unloader Simple to use in either mode Eliminates thumb pain and injury Eliminates wear on feed lips Prolongs magazine life Lightweight and fits in pocket Reliable in all weather Durable reinforced polymer Tested and combat proven Note : Some AR10B magazine's follower tilting problems may require releasing stuck rounds by hand.