The AC-Unity 40RDS polymer window magazine for AR15 cal. 5.56x45mm is durable, lightweight and highly reliable.
Made from an advanced polymer-resin/ granulate that is light weight and extremely shock resistant that it can be dropped onto the feed lips without damage. This polymer is exclusive to AC-Unity and gives these magazines a huge edge in weight and durability. The body is impact resistant through a wide range of temperatures, and the double-sided clear window allows to see the rounds left.
Carbon wire spring has a lifetime warranty against corrosion and will not degrade from use or loaded storage, and the metal parts are hardened and corrosion resistant.