Standard 30-round capacity No tilt follower with reliable bolt open on last round Clip on dust cover to keep dirt and debris out during storage Extreme Impact Resistance*won't crack or break when dropped. Very resistant to harsh chemicals. Superior heat, cold and UV resistance*wont become brittle over time even when exposed to harsh environments or extreme cold. Translucent body*allowing you to see your ammo count and type. Creep resistant*the feed lips and body won't spread when being stored long term even when fully loaded.