Ben,

The design was patented by a Canadian inventor, Joseph Szecsei whom I had some correspondence with a long time ago, when the rifles were written up by Holt Bodinson in Gun Digest. One of our members DOuble Trouble is a good friend of his.

Szecsei has several designs - SxS, U/O and drillings and at that time he was also working on straight pull and Controlled Feed versions of his action. The manufacturer Fuchs makes only two version, however, in several different calibres.

I remember Mr Szecsei being a particularly nice man to talk to and he has his own website though it does not seem to have been updated in some time to reflect upon his very active experimentation. I hope DT would step in and let us know more about the work that is currently being done.

Good hunting!