This unique, simple to use device is designed for fast unloading of all BX magazines (including the BX-25® and BX-15®). It eliminates thumb pain and injury for the shooter while prolongs magazine life by eliminating wear on feed lips and magazine springs. The small, lightweight UnLoader weighs only .4 oz. is made from durable, reinforced polymer that works in all weather conditions. The integrated split ring is perfect for attaching the UnLoader to a range bag or gun case. Made by Maglula.