New seals ?

[where's it gone]

I have in my collection a mk1 BSA R10. When topping up with air, it leaked from the fill port. The very first thing to ever go wrong over the years I've had it (from new). Now, I think I know the answer, would it be prudent to have the all the seals replaced or just the fill port ?
I don't want to do it myself so any idea how much a gun shop would charge ?
Thanks

[bighit]

I have in my collection a mk1 BSA R10. When topping up with air, it leaked from the fill port. The very first thing to ever go wrong over the years I've had it (from new). Now, I think I know the answer, would it be prudent to have the all the seals replaced or just the fill port ?
I don't want to do it myself so any idea how much a gun shop would charge ?
Thanks

Ask Rancidtom. He would give good advice.

[the logun-ator]

inlet/fill port orings are the first to go on any gun
the constant filling,temp changes,dirt etc plays havoc in there
perfectly DIY,a gun shop may tell you you will need a full reseal ''if ones going,the rest will fail soon'' dont fall for this old story