The ASC® AR-15 .223 / 5.56 10-Round Stainless Steel Magazine is a performance-enhanced aftermarket rifle magazine, favored by sport and tactical shooters across North America. This lightweight magazine features durable 410 stainless steel construction with a corrosion-resistant blued finish for superior strength and corrosion resistance in harsh tactical environments. The chrome silicon spring and mil-spec polymer follower ensure reliable and smooth feeding in high-stress target or defensive situations. Fitting nearly flush in your AR-15, these magazines are ideal for shooting from bench rest, prone, or bipod. Improving on the classic USGI AR-15 magazine, Ammo Storage Components’ (ASC) stainless steel mags offer enhanced durability and longevity that’s hard to beat. Manufactured 100% from start to finish in the U.S.A., ASC’s impressive aftermarket magazines are the perfect upgrade for your Colt-pattern AR-15 / M4 rifle kit. Don't wait. Grab a few spare magazines for your next trip to the range. Order now! Made in USA.