The Mossberg 590S Heavy Walled Barrel Shockwave offers good performance and consistency in a durable and reliable shotgun design. It comes chambered in 12 GAUGE with a 3 inch chamber and 14.375 inch barrel. Features include a Shockwave grip, a front bead sight, and an 8 round capacity. - CHAMBER 12GA. 3" - MAGAZINE TUBE 8 (1.75" Shells), 5 (2.75" Shells), 4 (3" Shells) capacity - BARREL 14.4" Heavy Walled - SIGHTS Bead