Premium 30 round aluminum mag. Made in the USA by a certified government contractor, D&H Tactical, Cage Code O4TQ4. Magpul Follower. Teflon gray finish inside and out. As far as aluminum mags go, they don't get any better than this. These same mags are utilized by Wilson Combat, Bravo Company, and the US military. Shipping is blocked to the 10 states where hi cap mags are illegal. Order 10+ and get them for $9.17 each.