AR-15 10/30 5.56 NATO, 10 Round Magazine, Series 2, OD Green The Hexmag is a lightweight and durable magazine for the AR platform! The unique hex-patterned texture provides a sturdy, worry free grip on the impact resistant nylon polymer body and eye-catching looks. The tool-free base plate provides access to a USGI spec anti-corrosion heat-treated stainless steel spring and the HexID system, perfect for shooters who run more than one caliber through their AR-15s! This magazine will only accept 10-rounds. Description: OD Green Fit: AR-15 Caliber: 5.56 NATO Capacity: 10 rounds Polymer Follower: Orange Anti-Tilt Polymer Spring: 17-7 PH Stainless Steel