Ok, this has been driving me nuts (and my friends) so I thought I would ask on here.
I've been through the optical centering and adjustable mount routine (god that was bad enough) because I wanted an engineered solution to the problem of scope shimming, y'know..a grands worth of kit and having to use bits of film.....blah blah....

I know........I know. But I did it and have the gun and scope set up just 'so' as a result.....well nearly

I have the HW 100 and have long seen the benefit of a single scope rail to bridge the action and provide one 'island' from which to mount a scope, if this 'island' were milled with an appropriate angle to allow the scope to compensate for pellet drop at a particular range, all the better as the scope could be zeroed without using either of the turrets leaving it optically centred with all the advantages that brings.

BINGO!!! Someone actually makes such a thing for Steyr rifles, and its milled with 30 MOA compensation. It also fits the existing dovetail on the gun and is cut for weaver type rings on the top, so a very 'true' rail. I saw one at Springfield GP and I want one........

To the question then, that my meagre brain cant answer... 30 MOA.... I know what it is and its value at 100 yards, but where down range does that measure intercept a pellet trajectory? I cant, for some reason, get my head around this at all

Any help greatly appreciated.

Cheers
Barry