Quoted: Try this: http://www.ar15.com/forums/topic.html?b=2&f=134&t=146952
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That ONLY applies to LaRue scope mounts and has absolutely nothing to do with the ARMS rings.
Why?
Aside from being throw-lever mounts, the two couldn't be more different in design.
Larue is a ONE PIECE mount with vertically split rings. Each ring has one top and one bottom screw on each side (4 total)... You tighten BOTH bottom screws all the way first, then tighten the top. Because of the design, the scope doesn't get "turned" one way or the other.
My suggestion... Continue the "trial and error" with only one ring instead of two. As a last resort, I'd sell my ARMS rings and buy LaRue.
I didn't believe all the hype about them being "the best there is" until I saw them for myself. The design is amazing! The way they adjust to that particular scope so there is no need for lapping, the way the screws are positioned to eliminate your problem... They're a work of art!