This Williams Gun Sight Company manufactured WGRS series ghost ring green fiber optic receiver sight with both mounting screws is for the Thompson Center Omega in-line muzzle loading rifle and is in new condition.  (file photo)

Warning: when using this receiver sight, you may find it necessary to use a taller front sight such as the Williams .570W gold bead front sight.

Note: This is a CFnParts exclusive non-catalogued Williams Gun Sight Company manufactured receiver sight