Product DescriptionMossberg Model 535 ATS Slugster Slug Barrel 12 Gauge 24 Inch Blued with 3-9x40mm Scope.
Fits all Mossberg 535 ATS 12 gauge pump-action shotguns. Integral scope base with mounted 3-9x40mm variable scope. 3.5 Inch camber. Handles 2.75 inch, 3 inch, and 3.5 inch ammunition. Fully rifled bore for optimum sabot slug accuracy. Heavy-duty integral scope base.