Patterning Questions...

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Guyon

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Let's see... How do I phrase this one? This one is for those of you who have done a lot of patterning.

Well, what I want to know is whether overall pattern distribution is going to be similar across loads. I'm not worried so much about the degree of density here (how close together the pellets hit). Instead, I'm thinking about where the most dense part of the overall pattern hits. So let's say that I shoot one load and find that the most dense part of my pattern is hitting a little bit low and left. If I shoot a completely different load, what is the likelihood that its greatest density will also be low and left?

Here's why I ask. I want to pattern some Hevi-Shot at 40 yards, and I also want to sight in some new fully adjustable fiber optic sights. (Of course, we're talking about a turkey gun here.) Now, that Hevi-Shot comes in at about $2 a shell, so I don't want to be firing ten or twelve of them down range just to sight in those new fiber optics. I'm wondering if I could use a normal turkey load to get the sights pretty close (putting the densest part of the pattern at point of aim) and then refine my adjustments with just two or three loads of the Hevi-Shot.

Or is it simply that every load is going to be widely different? This is my suspicion, but I thought I'd pose the above question anyway.
 
Guyon, POI does shift when changing loads. Not a lot, though. You should be able to zero with less costly stuff. Then, fine tune with that Hevi shot, which runs about the same price per oz as Chivas Regal.

OTOH, slugs oft hit well away from pattern centers.

HTH...
 
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