Before I had read the article on them by Frank De Haas I bought one of these as a barreled action and in 22 Hornet from a friend about fifteen years ago but when I came to fire it the firing pin would drag across the base of the cartridge making it extremely difficult to open the action.
My friend when I told him about this insisted on taking it back. 
A few weeks ago he told me he had just got around to looking at the firing pin and penned a rough sketch to show what he had done.

Hello, you might consider talking to Steve Earle, he makes these things, but cant say if he made the action causing your problems/

I think it was Thad Scott that had them made. He was very unhappy with them

Here's a photo of a photo I found recently of the Highlander I bought from a friend of many years who worked as a gunsmith in the UK. Had to take a photo of a photo as my scanner wouldn't connect up with my computer, not used it for some time. He is around my age but unfortunately nowadays is not too good. Thirty or thirty five years ago I was on holiday in the Uk  and called around to see him and he showed me the action and barrel he had taken in exchange for some work he had done for a guy. It was chambered for the standard Hornet.
Had an octagonal barrel and from memory had engraving on the action. 
I took it back to New Zealand and a local well known stock maker put a very nice piece of walnut on it.
In those not very far off days you didn't have to have an export or an import licence and no problem in and out of America. All a bit different these days,
My friend insisted I sent it back to him when I told him the action didn't want to open and was pleased with the quality of the stock and as I said in my first post it took him around fifteen years to get around to sorting it out. I cannot remember now if the open sights were made by him or originally came with the rifle but I know he did put the scope rail on it.
The few shots I did put through it all went into one inch at a hundred yards.