Just a thought if you want to come over & have a look at the FX2000 fill port I'm not that far away & try to fill it with a dive tank if you only have a pump.
Thats a very kind offer, i shall have to decline at the moment as its a bit manic here at the moment as we are about to move house soon.
Far too many rifles to list now, all mainly British but the odd pesky foreigner has snuck in