Mission First Tactical Magazine, EXD, 223 Remington/556NATO, 30 Round, Fits AR-15, Beskar Graphic EXDPM556D-BSKR Utilizing new material technology and manufacturing processes for enhanced strength" durability" and reliability to exceed demanding military performance specifications. Designed for the AR15/M4 but allowing use with a wide range of non-AR15/M4 platforms.