The GRS Spigot Adapter allows you to use your GRS spigot on a Ragnarok or Warg GRS stock. The spigot adapter allows you to use top mounted bipods. This spigot adapter is made of anodized aluminum and is very durable and easy to install. Installation Instructions for the GRS Spigot AdapterTake the locking screw out of the GRS spigot adapterInsert the GRS spigot, line up the threaded hole, insert the screw and, tightenSlide the GRS spigot and GRS spigot adapter on to the front Picatinny railLine up the screw hole with the slot in the Picatinny railInsert the screw, tighten the screw, it does not need much torque to fasten GRS Riflestocks GRS Spigot Adapter Set 104679 in Black