Search:

Actually that rings a bell, and for the record the case necks looked like they had some splits as well. I was pretty young so figured the fella knew what he was doing,

Might have been the second option then mate, it was definitely a breech loader. Yes it was a nice shooter, not too bad recoil either.

I fired one of these a bloke had at the range once. I only remember it vaguely but at some point remember him hammering part of the gun with a wooden mallet between firings. Heaven knows what...