Remove the nipple from the rifle, screw the flushed system’s “nipple” into the vent. Attach the vinyl hose to the brass fitting and dip the opposite end of the hose in water. Run a cleaning rod with a wet patch back and forth in the bore. When barrel is cleaned, dry thoroughly with the Ox-Yoke dry cleaning patches supplied in the kit. Finally, lubricate the bore and all metal surfaces, inside and out, with Ox-Yoke lubricate Wonder Cleaning Patches supplied.