NcStar Shotgun Barrel Micro Dot Rail (Type: Mossberg 500)

NcStar Shotgun Barrel Micro Dot Rail – Mossberg 500/590 Accessory Mount

Upgrade your Mossberg shotgun’s performance and tactical capabilities with the NcStar Shotgun Barrel Micro Dot Rail, designed specifically for Mossberg 500 and 590 series shotguns with factory 1″ extended capacity magazine tubes. Whether you’re building a home defense platform, optimizing a competition shotgun, or outfitting for law enforcement use, this micro dot rail and accessory mount system delivers unmatched versatility and rugged functionality.

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Modular Mounting System for Micro Dots and Tactical Accessories

The NcStar Micro Dot Rail is more than just a mount—it’s a complete customizable platform. At its core is a cantilevered micro-dot mounting base that is fully compatible with NcStar Micro-Dot Reflex Optics, including models: DDAB, DDABL, DGAB, DXDAB, and DXGAB. This forward-positioned optic mount allows for faster sight acquisition while maintaining clear access to your shotgun’s receiver.

But the innovation doesn’t stop there. This kit includes a rail adapter that allows Weaver and Picatinny-style optics to be mounted directly on top of the micro-dot base, offering even more flexibility for your preferred sighting solution. Whether you run red dots, reflex sights, or compact scopes, this rail supports your setup.

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Mount More Than Just Optics

In addition to the optic platform, the NcStar Rail includes two side-mounted Weaver/Picatinny rails, perfect for attaching lights, lasers, or other mission-critical accessories. Want to run a flashlight for low-light conditions or a laser for close-quarter precision? This system enables it—all in a compact, modular layout.

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Precision Fit for Mossberg 500/590

Purpose-built for Mossberg 500 and 590 shotguns, the NcStar Micro Dot Rail is constructed from aircraft-grade aluminum, offering both strength and lightweight performance. Measuring 2.7″ in length and 3.0″ in height, and weighing only 5.2 oz, it adds capability without bulk. Designed to mount directly onto the barrel and extended magazine tube, this system ensures a secure, vibration-resistant fit that holds zero even during heavy recoil.

Installation is straightforward, but some disassembly may be required to access and secure the rail around the magazine tube. Once installed, this rail transforms your pump-action shotgun into a versatile optics-ready platform.

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Key Features:

• Dedicated micro-dot mount compatible with multiple NcStar reflex optics

• Top Picatinny/Weaver rail adapter included for broader optic compatibility

• Dual side accessory rails for flashlight, laser, and tactical gear

• All-aluminum construction for lightweight durability

• Modular & customizable configuration options

• Fits Mossberg 500/590 models with factory 1″ extended mag tubes

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NcStar Quality You Can Trust

Backed by NcStar’s industry-leading warranty and commitment to innovation, this rail system represents their best in modular shotgun upgrades. Since 1997, NcStar and its VISM brand have become known for producing affordable, high-quality tactical gear, optics, and firearm accessories trusted by enthusiasts and professionals alike.

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Final Thoughts

If you’re looking to bring your Mossberg 500/590 into the modern era with reflex optics, weapon lights, and a rock-solid mounting system, the NcStar Shotgun Barrel Micro Dot Rail is a top-tier solution. Designed for adaptability, ruggedness, and fast targeting, it’s a must-have upgrade for anyone serious about maximizing their shotgun’s tactical potential.