Ammunition magazines and component parts for ammunition magazines; BB guns; Cleaning brushes for firearms; Component parts for pistols; Component parts for rifles; Component parts for shotguns; Firearm attachments, namely, modular external rail systems for firearms; Firearm attachments, namely, mounts for attaching gun sights to a firearm; Pistol grips; Rifle rails; Rifle rings; Rifle slings; Sling straps for firearms