Shotguns and parts thereof; Sporting rifles; Cartridge magazines for firearms; Cases for firearms; Firearm attachments, namely, mounts for attaching accessories to a firearm; Firearm attachments, namely, modular external rail systems for attaching accessories to firearms; Butt plates for pistols, rifles, and shotguns; Rifle hand grips; Weapon cases for firearms; Firearm cases; Handles for pistols and revolvers