ProMag AA132 Archangel Shotgun 20 Gauge 7 Rounds Black Polymer w/Aluminum Mounting Plate

Made in the USA, this shell carrier is made of precision-molded polymer, and the aluminum mounting plate securely holds seven additional rounds for fast tactical reloads of the magazine tube. This seven round 20 gauge shell carrier mounts to the side of the receiver on Remington's 870 shotguns.