Load your AR magazines in seconds with the Caldwell Mag Charger Tac 30. Designed to accept 20 rounds of .223 Rem, 5.56x45mm or .204 Ruger from any common 20-round ammo manufacturer box, three 10-round stripper clips or using the included stripper rail. Simply align the bullet tips and dump ammo into the Mag Charger, which is automatically arranged without touching a round. Once filled, insert any AR magazine into the Mag Charger as you would into a rifle. Stroke the plunger back and forth, loading 10 rounds per stroke as the spring-loaded ammo carrier advances to the next 10 rounds until the magazine is fully loaded. The entire process of filling the Mag Charger and loading all 20 rounds into a magazine takes less than 10 seconds. Durable polycarbonate construction for long-lasting performance. Designed to accept 20 rounds of ammo from any common 20-round ammo manufacturer box Spring-loaded ammo carrier Loads 10 rounds per stroke Automatically arranges ammo Durable polycarbonate construction