Keep your compressed air tank regulator fill nipple protected with the HK Army fill nipple cover. The cover can easily be snapped on and off with its ball-bearing locking technology. The fill nipple cover ensures that no dirt or paintball debris clogs up the nipple and helps prevent air leaks or regulator/air tank internal damage.
Features:
Machined aluminum cover
Fits all one-way valves / fill nipples on air system regulators
