The ProMag Archangel Shell Carrier for Remington 870 20 Gauge 7 Round is a shell carrier for the 20 gauge Remington model 870 shotgun. It holds seven 20 gauge rounds and is made of a precision molded polymer with an uluminum mounting plate. It will not contact or interfere with the pump action forend when used with length forends. It allows for the individual tension adjustment for each shell allowing the user to fine tune the sell carrier for specific ammunition. It has a lifetime warranty against manufacturer defects and is made in the USA.