Originally Posted by cheytownshaun
Hi all i'm looking for some advice on sighting in my 300 Win Mag w/ a 20 MOA mount for LR shooting. I've never used one so my question is do i need to set a point to aim at high on target frame and expect the bullet to hit way low at 50 yards for first sight in or do i have that backwords?
You will sight it in exactly like you've always done with regular bases and rings. You want to aim at the bulleseye and hit dead on at 100 or 200 yds depending on your preference.
With regular 0 MOA bases, half of your adjustment range is above center and half is below. But, you never dial to shoot below your target. So, half of your adjustment range is wasted.
The only difference with 20 MOA bases is that the downwards slope of the base will give you an extra 20 MOA worth of upwards elevation to play with when you dial the turrets for long range.
In order to gain 20 MOA of upwards adjustability, you lose 20 MOA of downward adjustment range, but who cares. Like I said before, you never aim that far low.