Standard capacity gun magazines generally mean any removable ammunition feeding device that is sold with a firearm when it is shipped new from the manufacturer. In some cases,such as contemporary sporting rifles,the standard capacity magazine is frequently thirty rounds. Some state laws created subsequent to the 1993 Federal Assault Weapons Ban,limit the amount of rounds a magazine can officially hold,generally to ten or fewer Such limitations come at high costs to firearm manufactures and consumers,with little to no evidence representing a reduction in crime. Standard capacity gun magazines usually means any detachable ammunition feeding device that is sold with and designed to operate in firearms as sold from the manufacturer. Many popular semiautomatic handguns as well as rifles are sold with magazines that have capacities of fifteen to thirty rounds. Therefore,limitations on magazine capability create unnecessary burdens on conscientious firearms owners who would then have