TacStar's SideSaddle is designed to provide a convenient and accessible location for extra rounds on your Remington shotgun, allowing for fast reloading. This model is compatible with Remington 870, 1100, and 1187 shotguns and features a 4-round capacity. The black polymer shell carrier is mounted using an aluminum plate that installs directly on the shotgun receiver, ensuring durability.Key FeaturesIncluded Mounting Plate: Comes with an aluminum mounting plate for secure attachment to the shotgun receiver.Compatibility: Specifically designed for Remington 870, 1100, and 1187 models.Shell Carrier Capacity: Holds 4 additional rounds for quick access during reloading.All necessary mounting screws are included, and no gunsmithing is required for installation. Note that some field grade shotguns may require modification to the forend, but shotguns using the TacStar pistol grip forend do not.