Equipped with back-bored technology, the Winchester Super-X Pump Field 20 Gauge Pump-Action Shotgun has a hardwood stock, a 26" steel vent-rib barrel with a 3" chamber and a 5-round capacity. Brass bead front sight. Crossbolt safety. Includes full, modified and improved-cylinder chokes and a flat choke wrench. Winchester Super-X Pump Field 20 Gauge Pump-Action Shotgun Brown - Shotgun Manual at Academy Sports