Mirage, parallax and longer distance shooting?s

Z

zr600

Active member
Ok my cousin and I went out to the farm today to try and do some long range shooting. We have shot lots out to 200. So we thought 300 would be a good distance to start at. Weather was 60 and sunny 4 mph wind. Now he has a vortex viper lr 4-16 and I have a pst 6-24. We got some pretty decent groups right at moa or just under but had trouble with setting the parallax on our scopes we even at a 100 yards can't seem to get rid of it all. Now with the mirage how do you actually get rid of parallax and shoot long range with mirage? We backed our power down helped clear up the target a little but the dots were dancing like crazy? How do you do this? Lol. We found out why first focal planes would be nice. Any help would be great.
 
Nothing you can do about the bouncing dots. It switches speed and direction. The only thing you can do is look for the same wave pattern and pull the trigger. The one thing Ritch taught me was don't shoot the boil coming up.

Greg
 
On 4x there is only 8/10 inch parallax error at 500 yards. So using the lowest magnification setting you can on difficult days helps. Also with the side adjustable scopes each adjustment of increasing range needs to come off of infinity(max range). Your ocular focus needs to be set properly first.
 
Originally Posted By: zr600So how do you know if your parallax is adjust right if the boil is bad?

Almost impossible. You need to catch a calm period sans mirage. In a match I watch the boil and when it "clears up" I dial in my side focus as sharp as I can get it, that is hard some day, and just go for it. Most times it's pretty close. I try to wait for those relatively calm periods of time. In 20 minutes for 20 shots it usually cooperates but then of course you have to watch the flags too. It's truly a challenge..LOL

The secret to even a bit of parallax shooting is a consistent cheek weld and stock fit. If you are prairie dogging the scope and you are off you will see it down range on your scattered shots. Even if it's off a smidgen and you are consistent the bullets will go true to that area over and over.

Teaching my shooters it was hard to get through to them that at times you gotta go with what you got. Bad guys don't stand around while you fiddle with knobs and front objectives. If we have the luxury of time to get it dead nuts we are lucky.

Greg
 
Ok so if we turn it down to lowest power the set parallax and start on the infinity setting and work down then crank the power back up to make the shot the parallax is set power doesn't affect it?
 
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If you have the side parallax it is eaiser. When you use the dial at the front of the scope, it stil can be done pretty easy. You will have to reset the Parallax at each yardage
 
Originally Posted By: zr600Ok so if we turn it down to lowest power the set parallax and start on the infinity setting and work down then crank the power back up to make the shot the parallax is set power doesn't affect it?

That will get you very close for your needs.

Greg
 
Also, you can back off the ocular, and get the outside black ring/barely beyond full eye relief evenly centered each time will keep you out of trouble too.
 
If it helps,even dialed down your scope is dancing just as much as when is all the way up. It's just less noticeable.
 


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