Automatic carbines; Automatic guns; Automatic rifles; Component parts for guns; Component parts for pistols; Component parts for rifles; Covers for firearms; 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 ancillary equipment 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 tactical rails; Firearms; Guns; Machine guns and parts thereof; Pistols and parts thereof; Rifle hand guards; Rifle mounts; Rifle rails; Rifles; Rifles and parts thereof