Product Description ASC 5.56 / 223 BLK Stainless Steel alloy magazines are an improvement on a classic with the highest levels of durability and increased longevity among the best in the industry. Franklin Armory AR-15 Rifle Magazine .223 Rem/5.56 NATO 30/rd at United States Association of Gun Owners $11.97 Buy Now Check Price on Amazon Check Price on eBay