"Interesting" Rear sight

[DonVoigt]

Originally Posted by Brien

Don,
The first photo is the sight in the middle of travel to show how it is attached and pivots. It flips down left or right (looking at photo 1) very tightly. I can't find anything like it in the reference books I have yet.

Yes, I see that; but if fliped forward, it will flip backwards under recoil and rotation-unless it has a really strong spring hidden somewhere invisible!