Re: Weaver 5-20x50 FFP as an upgrade from a SS 3-9x42?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: spamassassain</div><div class="ubbcode-body">If the Weaver 4-20x50 offers 55 MOA of adjustment - that works out to 550 inches at 1000 yds...
I'm I'm starting with a 20 MOA base, it seems to me that the 55 MOA of adjustment on this base is more than enough for anything I ever plan to shoot.
However, I'm more than willing to be schooled on this if need be. I'm here to learn! </div></div>
Yes...and no.
55MOA is the TOTAL adjustment range of the scope...topped out to bottomed out. Thus, assuming your scope actually zeros around the mechanical zero, you'll have approximately 27.5MOA of adjustment to get out to 1k which isn't enough for a .308 (especially with 168gr pills which aren't ideally suited for 1k) with a flat base. Add a 20MOA canted base to the equation which you've got, and you get roughly 47.5MOA of adjustment out of your scope (again...assuming your scope actually zeros at its mechanical midpoint). Assume, for the sake of argument, that you need not more than 40MOA of adjustment to reach 1k from a 100yd zero...you should be fine with the Weaver, on a 20MOA base, to get there with the internal adjustments of your scope. Again, how much of your adjustment gets used up zeroing can impact how much adjustment you actually have when all is said and done.