Cral BigHorn fill prob..

Has anyone found a replacement that standardizes the fill prob in the cral Bighorn!!
Geeze if I loose the one it came with I'm in trouble!!!
Thanks ahead of time..
This one worked for me. Amazon
I have a Kral Puncher Pro 500

Universal 8mm Quick-Disconnect Plug Adapter, Stainless Steel M10x1 Male Thread PCP Paintball Charging Fittings with Sealing O-Ring​