Lightest weight +5 for glock 19/23/32 on the market 1.35oz aircraft grade cnc aluminum.Lowest profile +5 on the market compact shape fits all magwells and holsters.Strongest and most reliable feeding spring the first and last round feed crisp and clean.True grip most secure grip in the industry engineered for wet or bloody hands or gloves.Easiest and most reliable installation clean simple and secure.Adds 5 additional rounds increases a standard capacity glock brand or glock clone magazine.Capacity: 5rdModel: Magazine ExtensionMaterial: AluminumCapacity: 5Magazine 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.