Carlson's Remington 870 Replacement Barrels -
Enhance the versatility and performance of your shotgun with high-quality barrels for the Remington 870. They’re made of certified ordinance-grade 4140 steel with chrome-lined bores. Vent-rib models feature a satin-matte blue finish with red fluorescent front sight and brass center bead. All 18-1/2" barrels are nonvent ribbed and have a ramped front sight with an extra-matte finish. Each comes with a Carlson choke tube made of 17-4 stainless steel (rifled choke tube is made of 304 high-stress stainless steel).