The HEXMAG 20 round magazine is ideal for any sport, competitor or tactical shooters demanding superior strength, proven reliability and exceptional performance. Featuring the proprietary Carbon Fiber, and Patented HEXTURE design for better grip, other features include; redesigned feed lip geometry to maximize strength and versatility, stripper clip guides for faster reloading, deep catch pocket for rock solid stability and a heat-treated, stainless-steel spring for extended storage periods.Features :20 Round CapacityCarbon Fiber Construction223 Remington/5.56 NATOMade in the U.S.A.Magazine Restrictions: The following states have magazine restrictions. Your order will not ship to those states if in violation of these laws and will be subject to cancellation and a 15% restocking fee. California - Limited to 10-round capacity. Connecticut - Limited to 10-round capacity. Colorado - Limited to a 15-round capacity. Delaware - Limited to 17-round capacity. Hawaii - Handguns limited to 10-round capacity Illinois (Cook Co, Aurora, Highland Park) - Pistol mags are limited to 10 rounds. Massachusetts - Limited to 10-round capacity. Maryland - Limited to 10-round capacity. New Jersey - Limited to 10-round capacity. New York - Limited to 10-round capacity. Road Island - Limited to 10-round capacity. Vermont - Handguns limited to 15-round capacity, Rifles limited to 10-round capacity. Washington DC - Limited to 10-round capacity. Washington - Limited to 10-round capacity.