13 Bipods for firearms; boresighters; component parts for guns; firearm attachments, namely, modular external rail systems for attaching accessories to firearms; firearm attachments, namely, modular external rail systems for firearms; firearm attachments, namely, mounts for attaching accessories to a firearm; firearm attachments, namely, mounts for attaching grips to a firearm; firearm attachments, namely, mounts for attaching gun sights to a firearm; firearm attachments, namely, mounts for attaching laser pointing devices to a firearm; firearm attachments, namely, mounts for attaching lights to a firearm; firearm attachments, namely, mounts for attaching night vision devices to a firearm; firearm attachments, namely, mounts for attaching telescopic sights to a firearm; firearm hand guards; firearm slings; firearm tactical rails; monopods for firearms; non-telescopic gun sights for firearms; pistol grips; rifle hand grips; rifle scope rings; sights, namely, open sights for use on firearms; sling straps for firearms; stun guns; tripods and stands for firearms