DuraMag SS Magazine AR-15 400 Legend 10-Round Stainless Steel Black

A Legendary caliber deserves a legendary magazine and the 400 Legend Duramag SS delivers the only purpose built magazine for this caliber. With the Duramag SS 400 mag you're getting .400 specific rib geometry which is crucial to reliable feeding and round stack internally. These magazines are also marked with 400 on the body and the follower to help with quick identification. The 400 Legend DURAMAG SS is an AR-15 pattern magazine designed for serious shooters who require the most out of their magazines. Constructed from premium 410 Stainless Steel and built with advanced interior and exterior geometries to ensure ultimate reliability and feeding. These magazines utilize T-360 coating to ensure incredible performance and product longevity through the harshest conditions. The 400 Legend magazines are available in 5rd and 10rd capacities and safe for extended storage while loaded. DURAMAG will not flex or swell like polymer due to storing while loaded or environmental / temperatu...