The Caldwell AR Mag Charger accelerates loading ammo into AR-15 magazines. Designed to accept up to 50 loaded rounds directly from any manufacture's ammo box, simply dump ammo into the Mag Charger, insert any AR magazine as you would into a rifle, then actuate the plunger. The charger loads 5 rounds per stroke until magazine is fully loaded. The entire process of filling the Mag Charger with ammo and loading all 50 rounds into two magazines takes less than 20 seconds! The Caldwell AR Mag Charger includes an ammo transfer tray to invert ammo that comes in boxes with the bullet tips oriented down or to stage bulk ammo for dumping. The AR Mag Charger is made of durable Polycarbonate, and loads .223, 5.56, or .204 ammo into either mil spec or molded plastic magazines. Loads AR magazines in just seconds Accepts 50 rounds of .223, 5.56 or .204 loaded ammo Compatible with all AR platform mags both mil spec and molded plastic Durable Polycarbonate construction