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200yd shooting in 100yd hole?

 
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  #8  
Old 10-26-2013, 06:51 PM
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Join Date: Oct 2012
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Re: 200yd shooting in 100yd hole?

Quote:
Originally Posted by Birdhunter1 View Post
What do you have the rifle zeroed at? It is possible the trajectory is on the rise at 100 yards and on the fall at 200 yards and they happen to be at the same height above line of sight.
For instance on my .22 rifle I zero it at 25 yards and it will also be zeroed at 75 yards and about 3/4" high at 50 yards.
I think the zero is irrelevant here.

I thought of the rise/fall also, and so far that is the only logical explanation. In relation would be how low my scope is being as I'm shooting a med/small objective and its sitting about 1/8" off the barrel. Where as if my scope were higher the two 0's would have a greater distance between them. B/c I did get a little drop on the one target (and ~1/4" on the other) I guess the apex of my bullet occurs between 100 and 200yds.

After my deer hunt I'll have to play around w/ it some more and get longer range info.

Last edited by ohiohunter; 10-26-2013 at 07:40 PM.
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  #9  
Old 10-26-2013, 08:31 PM
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Re: 200yd shooting in 100yd hole?

Quote:
B/c I did get a little drop on the one target (and ~1/4" on the other) I guess the apex of my bullet occurs between 100 and 200yds.
That is what I was referring to, I ran into an issue on my .243 a few years ago when playing with different zero ranges and was at first dumfounded when my rifle (with a scope set up low like yours) that I was roughly the same point of impact above point of aim at 100 yards and 225 yards. I think that zero was for 250 yards and the apex of the trajectory was around 160 something yards.
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  #10  
Old 10-26-2013, 08:31 PM
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Location: Near Napoleon,MI
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Re: 200yd shooting in 100yd hole?

Using the G7 ballistic calculator on this site and your quoted data, drop from 100-200 is about 1.5". That seems to be exactly what the second target is showing.
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  #11  
Old 10-26-2013, 09:58 PM
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Join Date: Sep 2009
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Re: 200yd shooting in 100yd hole?

Just wondering... Have u shot it at 200 yds after the 100 yd groups?

Another sugg, Maybe your set screw on the turret got loose??? Happened to a buddy of mine last week
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  #12  
Old 10-26-2013, 10:12 PM
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Join Date: Oct 2007
Location: Flat Rock, Michigan, USA
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Re: 200yd shooting in 100yd hole?

Quote:
Originally Posted by ohiohunter View Post
I think the zero is irrelevant here.
Ah, but your zero IS relevant. Probably about 230-240 yard zero.
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  #13  
Old 10-27-2013, 02:30 AM
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Join Date: Oct 2012
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Re: 200yd shooting in 100yd hole?

Quote:
Originally Posted by LONGSHOOTER View Post
Ah, but your zero IS relevant. Probably about 230-240 yard zero.
Well color me stupid. I thought that regardless of zero you'd still have the same bullet drop from x to y. Then considering the topic some more I put it against my ballistic calc. And sure enough that is exactly what it is.

I was attempting to set a mpb range out to 300 which I think I am very close to, maybe off by an inch or so.

Thanks for pointing that out.
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  #14  
Old 10-27-2013, 10:01 AM
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Location: S.E. Michigan
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Re: 200yd shooting in 100yd hole?

In as much as the kill zone on an average Ohio (or Michigan) buck is 12-14", I'd say 'go hunting' as well. Paper is one thing, animals are another.

Everyone of your hits were/are a killing hit. Certainly nothing to be concerned about...
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