13 Firearms; Firearm attachments, namely, modular external rail systems for firearms; Firearm attachments, namely, modular external rail systems for attaching accessories to firearms; Firearm attachments, namely, mounts for attaching accessories to a firearm; Firearm attachments, namely, mounts for attaching ancillary equipment to a firearm; Firearm frames; Firearm hand guards; Firearm tactical rails; Gun stocks; Guns; Component parts for guns; Gun barrels; Hunting firearms; Magazines for firearms; Muzzle brakes that screw onto a rifle barrel; Rifle barrels; Sporting firearms; Trigger guards for guns and rifles