B31 +40 piston rings

[DGBland]

I have a chance of a B31 barrel and piston,  which appears to be in good order, however there are no piston rings with the +40 piston. I cannot find anything online. I have tried the usual companies like Draganfly but they are not available. Could anyone advise me where I might find +40 piston rings please
Thanks
David

[rhyatt]

Cox and turner near yeovil

[DGBland]

Thank you, I have emailed Cox and turner