Remington 870 Magazine Cap w/o Detents 20ga. This black finished steel magazine cap will fit Remington Model 870 20 gauge shotguns and is a factory OEM part. The cap is designed for use with a TIMED FOLLOWER and features inner "teeth". A hole in the top allows for the use of a sling swivel eyelet. Made to the same factory specifications, materials and standards as the parts in your firearm.