Weapons are only as good as the feeding device used with them and you can count on our magazine to reliably function in any operational environment. Aggressive horizontal ridges provide increased gripping surface for insertion and extraction of the magazine in wet or muddy conditions. Molded of reinforced composite, our magazine has a 30 round capacity. It is made in the U.S.A. and is backed by our lifetime warranty. Fits the AR15, M4, and M16. FEATURES: Reinforced composite material for extreme duty use. *Improved follower design that will not tilt. *Compatible with stripper clips, LULA loaders, etc. *Aggressive design provides excellent gripping surfaces. Chrome Silicon Spring *Will drop free from the weapon. *Works with all 5.56mm and .223 ammunition. Restrictions are observed in the following cities and/or states prohibiting the sale or shipment of magazines with more than a 10rd capacity to: Aurora, Il; Chicago, Il; South Bend, IN; All of CA; All of HI; All of MA; All of NJ; All of NY; The sale or shipment of magazines with more than a 20rd capacity is restricted to the entire state of Maryland.