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Long Range shots - elevation right on always to the right

 
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  #8  
Old 08-23-2011, 09:26 AM
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Join Date: Nov 2008
Location: Olympia,Washington
Posts: 25
Re: Long Range shots - elevation right on always to the right

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Originally Posted by NVHunter1 View Post
I am hoping some one out there can clear up a mystery for me. I have been shooting and reloading and have found a load that works real well in my 300 rum. I am using a Huskemaw scope and cant figure out how to correct my problem. I am zeroed at 200 yards, I move to 400 yards elevation is perfect and I am 4 inches to the right, 600 yards elevation is perfect and I am 6" to the right 800 yards elevation is perfect but I am 8" to the right. 1 MOA to the right no matter what distance. I thought my reticle might be off so I did the inverted T test, shot at 100 yards ok ran the scope up 50 clicks and the bullet was right above the 100 at the desired height, I was expecting that I would see it was going to be to the right but it was right on. I am at a loss on what to do next. Help!! I guess I could dial the windage 1 MOA to the right but then I will be 2" left at 200 yards.

PS all shots are from a fixed bench same setup for each distance.

Load is a 200 gr AB with 88 gr of H1000, Rem 9 1/2 primer. 3000FPS 1/2 Moa groups
I re-read your post and things don't add up to me.
zeroed @ 200 yds
4" rt @ 400 = 2 moa (4" in the next 200 yds = 2moa shift from 200-400 yds
6" rt @ 600 =1.5 moa (6" shift in 400 yds from 200-600)
8 "rt @ 800 =1.3 moa (8"shift in 600 yds from200-800)


Whats it do at 100
have you had anyone else shoot ?
have you tried a diferent bullet?
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  #9  
Old 08-23-2011, 09:28 AM
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Join Date: Jun 2008
Location: Jackson Ms
Posts: 316
Re: Long Range shots - elevation right on always to the right

I had a remmy SA that gave me fits. the base was canted and all shots drifted to the right. My smith leveled the base with some type of bedding and now I'm good to go. I think you have too much drift to attribute it to spin drift or anything else.
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  #10  
Old 08-23-2011, 03:22 PM
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Join Date: Jan 2005
Location: Searcy, Arkansas
Posts: 700
Re: Long Range shots - elevation right on always to the right

What you are seeing is way too much for spin drift. I never use windage adjustable rings. I would suspect them or your crosshairs are not plumb. Level your rifle, hang a weighted string at 100 yards and make sure your horizontal crosshair is square with the string. You also need a level mounted on your rifle. It is very easy to have your rifle canted and not realize it.
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  #11  
Old 08-23-2011, 04:02 PM
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Join Date: Feb 2011
Location: Halfway between Lubbock and Dallas
Posts: 5,145
Re: Long Range shots - elevation right on always to the right

Quote:
Originally Posted by Jim5351 View Post
I re-read your post and things don't add up to me.
zeroed @ 200 yds
4" rt @ 400 = 2 moa (4" in the next 200 yds = 2moa shift from 200-400 yds
6" rt @ 600 =1.5 moa (6" shift in 400 yds from 200-600)
8 "rt @ 800 =1.3 moa (8"shift in 600 yds from200-800)


Whats it do at 100
have you had anyone else shoot ?
have you tried a diferent bullet?
You can also use the corner edge of any building to check plum/cant and then you never get into any issues with wind affecting your plumbob
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  #12  
Old 08-23-2011, 04:53 PM
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Join Date: Apr 2009
Posts: 183
Re: Long Range shots - elevation right on always to the right

Quote:
Originally Posted by Limbic View Post
I had a remmy SA that gave me fits. the base was canted and all shots drifted to the right. My smith leveled the base with some type of bedding and now I'm good to go. I think you have too much drift to attribute it to spin drift or anything else.
Without knowing what your action or your base is I would guess you have a remington action that rolls of to the side on the back. If you happen to be using a rail when you tighten it down it probably twists and now you have a right problem. If the base was bedded I would be willing to bet your right goes away. Most remington actions roll off to the side on the back.
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  #13  
Old 08-23-2011, 05:15 PM
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Join Date: Feb 2011
Location: Halfway between Lubbock and Dallas
Posts: 5,145
Re: Long Range shots - elevation right on always to the right

Actually the windage adjustable mounts such as the Leupold standard mounts work great.

Before mounting center the windage adjustment.

Mount.

Boresight and adjust the windage using the windage screws on the mounts rather than the windage adjustment on the scope.

Once centered locktite the windage adjustment screws in place one at a time.

Then you never run into a problem of running out of windage to either side in the event your mounting holes are not exactly centered to the bbl.
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  #14  
Old 08-23-2011, 05:23 PM
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Join Date: Jun 2010
Location: Bakersfield, Ca
Posts: 554
Re: Long Range shots - elevation right on always to the right

My guess is you have a scope that doesn't track properly, I would remount it on a different rifle with different rings and base and try it again. As you are dialing up elevation, you impacts are consistently moving right, therefore it is safe to assume that your erector tube is moving to the right as it is moving up.
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