If you have been looking to convert your old, reliable Remington 870 field shotgun into a home defense model, then this is the part you need. This factory replacement part is built by Remington for use on most Remington 870 models. It is the perfect replacement barrel for your field models. This barrel features a fixed Cylinder constriction and a smooth bore perfect for Buckshot, Birdshot and rifled slugs. The barrel is 18" long and features a bead front sight.