HK Army Replacement Fill Nipple 3000 to 4500 PSI

HK Army Replacement Fill Nipple 3000 to 4500 PSIBlack fill nipple which is used for both the 3000psi and 4500psi air tanks.Details:Screws onto 3000psi or 4500psi air tank regulatorSingle Fill NippleColour – BlackImportant InformationAlways make sure to turn off the air calve before releasing the quick disconnect. Warning! Make sure tank is completely emptied from air before installing.