zeroing a 7mmo8 for youth

The amount of mass behind the rifle will have some effect on POI.

If his hits are consistent, why not zero for 100, and go from there?

Will he be hunting with this rifle, or just for fun?
 
zeroing a 7mm08 for youth

The amount of mass behind the rifle will have some effect on POI.

If his hits are consistent, why not zero for 100, and go from there?

Will he be hunting with this rifle, or just for fun?

Apologies for not responding sooner , forums are new to me.
Yes he will, this will be his 2nd year. We borrowed a 243 last year and his doe did not run at all / hornady sst at 60 yards elevated in a box blind.
So do i put it on the bull at 100 yards and let the recoil compensate for 200 since he is small framed ? Thanks !
 
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You'll probably need to experiment a bit. If I understand you correctly, you would like to do the zeroing and then have some factor figured in for when your son shoots it?
 
Zero to 100 and teach them what it means what they see in the target.
you might want to put more weight on the rifle somehow.
If you see him pulling back it might be a good idea to get some 100gr bullets or to down him to 223 to learn proper technique.
Dont rush kids into larger calibers. Work on their skill not their strength.
 
Not at short distances--taking things to the extreme:

A 50 yard zero

Station pressure 23 inches (7,500ish), 80F & 50%h vrs 29.92 (sea level,) 20F & 10%h will have the same come up even at 200 on my 338..

In other words; hot humid thin air vrs cold, dry thick air has no effect on short range zeros..

Now, you have a long range zero.... You need to enable zero atmosphere or account for it in other ways.


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What if you flip the scenario? Hot low elevation air vs. cold high elevation air? Not a huge difference of drop at 200 yards, but about 2". 500 yards go to 5+" difference. Again, not a big difference, but still there.

And if you go to 500 yards with your scenario, I come up with 16" of difference. I also come up with 1.5" of difference with your numbers at 200 yards. And that is with a flat shooting round in my ballistics calculator.