KRAL Jumbo Hi Capacity Fill Valve Upgrade.
Kral Arms Fill Valve Upgrade.
Includes replacement BF Fill Valve, Extended Quick Coupler Socket and Cover Cap.
May also fit: Kral Puncher Jumbo, Ekinoks, NP500 & Knight
Replaces the fill valve and coupler where the KRAL OEM Fitting is used.. see second picture, and makes the gun “Foster” fitting compatible.