Magpul(R) PMAG 30 AR/M4 Gen M3 5.56x45 NATO 30 Round MultiCam Black Polymer Magazine is designed for compatible AR-15/M4 firearms. The magazine features polymer construction with a multicam black finish and is designed to provide proper fit and dependable feeding in compatible firearm applications.Key Features 30-round magazine capacity Designed for compatible AR-15/M4 firearms Compatible with 5.56x45 NATO Polymer construction MultiCam Black finishMagpul(R) manufactures firearm magazines and related accessories with an emphasis on durable construction compatibility and dependable function. The brand develops products for a variety of firearm platforms and shooting applications. Its products are designed with attention to fit materials and practical performance.