Carlson's 18-1/2" Cylinder Barrel is a premium accessory designed for Remington 870 12-gauge shotguns. Constructed from certified ordinance-grade 4140 steel with a chrome-lined bore, this barrel ensures durability and superior performance. Featuring a ramped front sight and matte finish, it is ideal for precision and reliability. Threaded for the standard Rem Choke system, it includes a Carlson choke tube made from high-quality stainless steel. Upgrade your Remington 870 with this versatile replacement barrel, perfect for enhancing your shotgun's functionality and performance.