The TacStar 1081167 SideSaddle for Mossberg 500/590 12 Gauge provides a practical and reliable solution for fast reloading by mounting four shells on the shotguns receiver in a convenient, accessible location. Featuring a durable polymer shell carrier paired with an aluminum mounting plate, this SideSaddle installs directly on the receiver to offer solid, low-profile performance and clear access for long forends during dynamic field use or competition scenarios. All mounting screws are included, enabling straightforward installation without the need for gunsmithing, and the design is tuned to ensure that the added hardware does not interfere with pump action or forend movement. Built to withstand rugged field conditions, the black polymer finish combines smooth texture with lasting durability, while the 4-round capacity delivers a lightweight, reliable quick-reload option for Mossberg 500/590 platforms. Whether youre recovering after a follow-up shot during waterfowl hunts, engaging in upland or sport shooting, or simply prioritizing magazine-style reloading on the fly, TacStars SideSaddle delivers practicality, sturdiness, and ease of use in a compact, integral accessory.