The DURAMAG SS AR-10/SR25 magazine is engineered for dependability and durability, supporting shooters who require a magazine built to handle demanding use. Made from laser-welded 410 stainless steel with a protective T-360 coating, it is designed for compatibility with SR25/DPMS-pattern AR-10 rifles and accommodates popular calibers like .308 Winchester, 7.62x51 NATO, and 6.5 Creedmoor. 410 stainless steel body with corrosion-resistant T-360 coating For SR25/DPMS pattern AR-10 platforms Compatible with .308 Win, 7.62x51 NATO, and 6.5 Creedmoor This 10-round magazine is made in the USA and provides robust construction for a variety of shooting applications in challenging environments.