The Mossberg 500 Series 28" barrel offers versatile all-purpose performance with ventilated rib design and Accu-Choke system for 12 gauge shotguns with 3" chamber capability.28" all-purpose barrel with ventilated rib12 gauge with 3" maximum chamber sizeAccu-Choke set included (Improved Cylinder Modified Full)Blued finish for durability and corrosion resistanceBead sight for quick target acquisitionCompatible with Mossberg 500 & Maverick 88 6-shot shotgunsPerfect for hunting sport shooting and general purpose applications this barrel provides the versatility and reliability that Mossberg is known for with interchangeable choke options to match your shooting needs.