Product DescriptionThe TacStar SideSaddle keeps six extra 12-gauge shells right on your shotgun for fast, intuitive reloads. Designed specifically for Mossberg 500/590 receivers, this rugged carrier uses a weatherproof polymer shell holder attached to an aluminum mounting plate that installs directly to the receiver. All mounting screws are included, installation is straightforward, and no gunsmithing is typically required. The black finish blends with most factory configurations, and the low-profile design preserves balance and handling. Note: some field-grade shotguns may require minor modification to the forend; TacStar pistol grip forends do not require modification.Product Highlights Holds six 12-gauge shells for quick access and faster reloads Durable polymer shell holder with aluminum backing plate Receiver-mount design maintains balance and keeps controls clear Includes mounting hardware; easy installation with no gunsmithing required Purpose-built for Mossberg 500/590 12-gauge shotguns Specs Compatibility/Model Fit: Mossberg 500/590 (12 Gauge) Capacity: 6 rounds Gauge: 12 Gauge Material: Polymer shell holder with aluminum mounting plate Color/Finish: Black Mount Type: Receiver mount Model: SideSaddle Weight: 0.54 lb UPC: 751103011591 Manufacturer Part Number: 1081159 Brand: TacStar Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.