Benelli M4 Retaining Ring for Recoil Tube

The Benelli M4 Retaining Ring for the Recoil Tube Plunger. Part #: 70071 Made from high quality spring steel and black coated for corrosion resistance.  This retaining ring fits inside the Benelli M4 Recoil Tube, and its purpose is to retain the recoil tube plunger from sliding out of the end of the recoil tube. It is often purchased due to the difficulty of removing the retaining ring from an existing recoil tube, or because it is easily lost or damaged.