Why compare the .308 vs 5.56? Because it just might help you decide between an AR-15 or and AR-10 rifle platform.

Brownells’ .223 Rem./5.56x45 mm NATO-chambered AR-15 magazines have been so well-regarded that they have become standard-issue kit for the U.S. military.

Built from highly durable 1000 denier synthetic polymer, the Tactical Nylon AR-10/.308/M1A 20-Round Magazine Pouch from Wilde Custom Gear is compatible with many of the 20-round detachable box ...