The Mesa Tactical 6-Shell Side Saddle for Mossberg 500 and 590 shotguns delivers rugged, reliable on-gun shotshell storage in a compact, durable platform. Built in a solid black finish, this side saddle securely mounts to the receiver to provide quick access to six 12 gauge shells, enhancing loading speed and tactical readiness without adding excessive bulk. Designed specifically for Mossberg 500 and 590 platforms, it integrates smoothly with standard forends and factory configurations, ensuring a clean, professional appearance on the firearm. The side-saddle design keeps shells within easy reach for rapid reloading, especially in high-stress situations, while maintaining balance and handling across varied field or range scenarios. Whether you're a hunter needing quick reloads in dense cover or a sport shooter seeking a dependable shotgun accessory, this shell holder from Mesa Tactical offers straightforward installation, rugged construction, and enduring performance. With its low-profile silhouette and secure mounting, it preserves the shotguns natural line of sight and ergonomics, making it a practical upgrade for any Mossberg 500 or 590 user seeking reliable ammo access during extended sessions.