Outfit your gun with the best possible equipment for zeroing in on targets. RemChoke stainless-steel screw-in choke tubes include improved cylinder, modified, and full choke tube.
Model 870 fully rifled barrels fit both magnum and 2-3/4" receivers and handle both 2-3/4" and 3" shells with magnum receiver. An "M" at the end of your gun's serial number designates a magnum receiver. Only use 2-3/4" shells when barrels are used on 2-3/4" receivers. 870 Special Field and other 870 barrels are not interchangeable. Lightweight 20-gauge barrels do not fit standard 20-gauge guns. One-year warranty.