Adjusting knobs for gun sights; Ammunition magazines and component parts for ammunition magazines; Cleaning brushes for firearms; Cleaning implements for firearms, namely, brushes, rods, pull-throughs, closer cups, shell extractors, decappers; 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 access...