TacStar 1081167 SideSaddle Mossberg 500/590 12 Gauge 4rd Black Polymer w/Aluminum Mounting Plate
TacStar's SideSaddle mounts extra rounds on your shotgun in a convenient and accessible location for fast reloading. The polymer shell carrier is attached to an aluminum mounting plate that installs directly on the shotgun receiver, and is designed to provide clearance for long forends. All mounting screws are included, no gunsmithing required.