The Bushmaster AR15 Factory Magazine is a high-quality replacement magazine designed to fit any AR-15 chambered in .223 Rem/5.56 NATO. It is made from durable aluminum and has a 30-round capacity. With precision engineering and exceptional materials this magazine is built to withstand tough conditions and deliver reliable performance. Choose the Bushmaster AR15 Factory Magazine for a perfect fit and flawless operation with your Bushmaster firearm.