Firearm attachments, namely, mounts for attaching telescopic sights to a firearm; Open sights for use on firearms; Sights, other than telescopic sights, for firearms; Sights, other than telescopic sights, for guns; Firearm attachments, namely, adapter plates for attaching accessories to a firearm; Firearm bipods; Firearm attachments, namely, mounts for attaching lights to a firearm