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This week, American Rifleman's Joe Kurtenbach takes a look at three extended-capacity magazines for AR-15-style rifles. Common to all ARs is the ubiquitous, standard-capacity 30-round box magazine, often made of aluminum or molded polymer—rugged, reliable and, at the end of the day, replaceable. But for those who want to extend their range sessions or get a leg up on the competition, Magpul, SureFire and X-Products are a few of the companies that offer alternatives with added capacity.
To commemorate the 80th anniversary of the Battle of Iwo Jima, Auto-Ordnance teamed up with Altered Arsenal to create a specially crafted version of the M1 carbine.