Bipods for firearms; Boresighters; Cartridge pouches; Cleaning brushes for firearms; Cleaning rods for firearms; 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 accessories to a firearm; Firearm attachments, namely, mounts for attaching ancillary equipment to a firearm; Firearm attachments, namely, mounts for attaching gri...