Boresighters; Component parts for guns; Component parts for rifles; Firearm attachments, namely, mounts for attaching gun sights to a firearm; Firearm attachments, namely, mounts for attaching telescopic sights to a firearm; Rifle rails; Rifle rings; Rifles and parts thereof; Rifle scope rings; Shooting accessories, namely, gun rests; Sighting mirrors for guns; Sighting mirrors for guns and rifles; Sighting mirrors for rifles; Sights, namely, open sights for use on firearms; Sights, other than telescopic sights, for firearms