The AC-Unity CZ BREN 30RDS cal. 7.62x39mm window magazine is made from an advanced, German made polymer-resin/granulate that is light weight and extremely shock resistant. The body is impact resistant through a wide range of temperatures (-30°C to 120°C.). This polymer is exclusive to AC-Unity and gives these magazines a huge edge in weight and durability with wide windows for keeping an eye on ammo capacity.Bolt hold open engagement on the follower is reinforced with machined aluminium legure; this is a specific marine grade metal-alloy that is hardened, anti-magnetic, highly anti-corrosive with great wear properties.
Carbon wire spring has a lifetime warranty against corrosion and will not degrade from use or loaded storage. These are designed for long term storage, even when fully loaded, and the double-sided clear window allows to see the rounds left.
Low-friction anti-tilt follower and a removable floor plate for easy cleaning and a lifetime warranty against defect, loss of spring strength or corrosion.