Magpul(R) PMAG 20 LR/SR Gen M3 7.62x51 NATO/.308 Win 20 Round OD Green Polymer Magazine is designed for compatible SR-25/M110 firearms. The magazine features polymer construction with a od green finish and is designed to provide proper fit and dependable feeding in compatible firearm applications.Key Features 20-round magazine capacity Designed for compatible SR-25/M110 firearms Compatible with 7.62x51 NATO/.308 Win Polymer construction OD Green 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.