The Mossberg 590 Shockwave Nightstick 12 Gauge Pump-Action Shotgun is engineered with a heavy-walled barrel and wood raptor grip. This shotgun features a corncob forend, a leather strap and a bead sight. Matte blued barrel finish. Cylinder bore choke. Mossberg 590 Shockwave Nightstick 12 Gauge Pump-Action Shotgun - Other Firearms at Academy Sports