Load up and hit the range with the Okay® Surefeed AR-15 .223 Rem/5.56 30-Round Magazine 10-Pack. The Okay Surefeed 30-Round Magazine boasts a Mil-Spec, heat-treated aluminum body with a hard-coat anodized finish for superior corrosion resistance and lasting durability in challenging environments. The Mil-Spec stainless steel spring and 4-way, anti-tilt follower ensure smooth, snag-free feeding, while a Mil-Spec dry film lubricant delivers smooth insertion and added corrosion resistance for long-lasting, reliable service. Better yet, this pack of 10 magazines is ideal for chest rigs, plate carrier setups, battle belts, and other tactical rigs for civilian training, military operators, law enforcement personnel, and more. Made in USA.