Here is a gun magazine for AR-15 guns. This is a 5 round ar-15 .223 gun magazine made by Promag Industries. This gun magazine comes with a lifetime guarantee. This gun magazine is made of blued steel with a high strength steel spring and a polymer follower for smooth feeding. This magazine has a 5 round capacity and fit flush. FREE shipping on orders over $75! Orders shipped within 24 hours except week-ends and holidays. Gunclip Depot has the largest selection of AR-15 magazines.