Carlson's high quality accessory barrels are made for Benelli. All barrels are constructed from certified ordinance grade 4140 steel with chrome lined bores. Vent rib models have a satin matte blue finish with red fluorescent front sight and brass center bead.All 18 1/2" barrels are non vent ribbed and have a ramped front sight with a matte finish. Each barrel comes with a Carlson choke tubemanufactured from 17-4 stainless steel except for the rifled choke tube models which are made from 304 high stress stainless steel installed. Enhance the versatility and performance of your shotgun with a Carlson's replacement shotgun barrel. Fits Benelli 12ga only.