Thread: How do these Warne Vertical Rings work?

Originally Posted by No.3

Edit - those are the version for Tikka receivers I think - the little oval gap has a key that fits in that has a round pin at one end of it to fit the Tikka receiver hole - you can reverse the key to adjust the ring forward and backwards etc etc.

Thanks for that #No.3 as you have solved the puzzle.
They are indeed Warne 4007476 Tikka rings, with the pin missing.