Capacity: 10rds. Constructed from a durable, patented composite with self-lubricating followers and heat-treated stainless steel springs, these Hexmag AR-15 magazines are on the cutting edge of combat-ready. Sentry's Hexmag magazines are some of the strongest, most versatile and most dependable options on the market today. Featuring patented Hexture surface design for superior handling, HexMags raise the bar for polymer AR-15 mags. Delivering superior reliability and durability at a price that's hard to beat, these full-sized 10-round magazines are perfect for training days and target practice. Grab a few Hexmags for your AR-15 today!