This Mossberg Slug Barrel (brand part no. 90121) is a genuine factory replacement barrel for the Mossberg 500, chambered in 12 gauge with a 3-inch maximum chamber. Measuring 24 inches with a fully-rifled bore, it is purpose-built for slug ammunition, and the rifling meaningfully improves slug accuracy over a smoothbore barrel. Adjustable rifle sights let shooters dial in point of impact precisely, and the barrel wears a traditional matte blued finish. Built by Mossberg, this barrel is a direct upgrade for turning a field gun into a dedicated slug gun.

Key Specifications

• Chambered in 12 gauge.
• Maximum chamber size is 3 inches.
• Barrel length measures 24 inches.
• Bore is fully rifled for slug accuracy.
• Includes adjustable rifle sights.
• Finished in matte blued.
• Has no ventilated rib.
• Does not use interchangeable chokes, since the bore is fully rifled.
• Fits the Mossberg 500.

Frequently Asked Questions

Does this barrel include a ventilated rib? No, this barrel does not have a ventilated rib.

Can I use interchangeable chokes with this barrel? No, since the bore is fully rifled it does not use interchangeable chokes.

What is the maximum shell length for this barrel? It is rated for a maximum chamber size of 3 inches.

Buy the Mossberg 500 12 Gauge 24-inch Rifled Slug Barrel – 3-inch Chamber, Matte

Order this Mossberg slug barrel from Mossberg through our shotgun barrels selection, shipped fast from our Lubbock, Texas gun shop.