Hi Michael and Harry,
your two post's were a bit of a coincidence as just before Christmas I bought an old Carl Zeiss Diatal scope in good condition complete with mounts from the internet. It arrived the first day we had post after Christmas and was very pleased with what came out of the box, except for the screws on the mounts which were all stuck fast.
Emailed the seller and he said send it back and he would refund my money.
Phoned my gunsmith the same day and he said no problem and told me he would do exactly what you two chaps have suggested.
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Last edited by Nero; 01/03/14 06:10 PM.