10/30 D&H 300 Black Out aluminum magazine. Heat treated to T6, Then Hardcoat anodized magazine body is black Teflon. Comes with open retail packaging. A magazine block has been installed, to only allow 10 rounds in the magazine. Floor plate will have a rivet installed as well.
NOTE We had to cut down the stem protruding from the bottom of the Magazine follower. You can see pictures of the followers in the picture below.