Iver Johnson has been reborn and currently produces a full line of impressively updated firearms! This Iver Johnson AR-15 drum magazine is purpose-built for the modern sporting rifle. The durable steel and polymer construction is built to last. It holds 50 rounds of .223 Remington or 5.56 NATO ammunition. Be sure you always have additional rounds at the ready for your AR with this extreme drum mag from Iver Johnson!