Bipods for firearms; Component parts for guns; Component parts for rifles; Firearm attachments, namely, mounts for attaching night vision devices to a firearm; Firearm attachments, namely, mounts for attaching telescopic sights to a firearm; Foresights for firearms; Gun stocks; Protective lens covers for non-telescopic gun sights; Rifle rails; Rifle scope rings; Sighting mirrors for guns and rifles; Sighting mirrors for rifles; Sights, other than telescopic sights, for artillery; Sights, othe...