[ Adjusting knobs for gun sights; Bandoliers for weapons; Cleaning implements for firearms, namely, brushes; Component parts for guns; ] 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 attachments, namely, mounts for attaching grips to a firearm; Firearm attachments, namely, m...