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out of windage

 
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  #1  
Old 07-25-2012, 07:50 AM
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Join Date: Jul 2012
Posts: 40
out of windage

Well, started to put together my long range rig last night. Win Model 70 coyote in 7mm wsm. I have an EGW 20 MOA base on it right now, and tried a set of Burris XTR tactical rings and a Zeiss 6.5-20x50 conquest . Elevation was fine, but windage ran out. I tried several different rings I had, and even made some brass shims for the rings to try to gain the windage back, but still could not get it where I want it. So, my question is what do I do now? I ordered a set of burris signature zee rings and a insert kit this morning. I had the crow recut on this gun, is it possible the crown was cut canted(I am using a Leupold zero point boresighter, the one that magnetically fits to the muzzle) and that is giving me a false windage target? Or are the holes for the bases tapped off center? I 'checked' them the best I could using a 4 foot ruler, and I saw nothing out of the ordinary, but that would have not shown small errors. Any suggestions you guys might have?
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  #2  
Old 07-25-2012, 08:02 AM
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Re: out of windage

Many here sware by the EGW base. I am one that does not, from my past experiences with them. The first thing I would do is change the base. Also, the mounting holes in the receiver could be off too, but if you have had other scopes on the rifle that shot ok, then that kinda eliminates that.

Jeff
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Old 07-25-2012, 08:29 AM
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Re: out of windage

Quote:
Originally Posted by Broz View Post
Many here sware by the EGW base. I am one that does not, from my past experiences with them. The first thing I would do is change the base. Also, the mounting holes in the receiver could be off too, but if you have had other scopes on the rifle that shot ok, then that kinda eliminates that.

Jeff
Broz, first time mouting a scope on this rifle for me. I just picked it up last week, so I am unsure about the mounting holes in the receiver. I will see what my local guy has base wise, may just go with a standard weaver base since I have the Burris signatures headed my way now.
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  #4  
Old 07-25-2012, 09:41 AM
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Location: Texas
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Re: out of windage

Quote:
Originally Posted by bryguy View Post
Broz, first time mouting a scope on this rifle for me. I just picked it up last week, so I am unsure about the mounting holes in the receiver. I will see what my local guy has base wise, may just go with a standard weaver base since I have the Burris signatures headed my way now.

Try the weaver base and if it is also off you have a problem with the mounting holes on the rifle.

If this is the case, you can buy the old style base with the windage adjustment. (They were made
to correct this when the old scopes only had 10 MOA of windage These bases will be fine with no
more recoil than the WSM has. If the new scope wont correct with the weaver base, other than
re drilling the reciever the adjustable bases are the only way that will allow full windage
adjustments.

The Z rings may have enough adjustment to fix your problem.

J E CUSTOM
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Old 07-25-2012, 11:28 AM
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Re: out of windage

Quote:
Originally Posted by J E Custom View Post
Try the weaver base and if it is also off you have a problem with the mounting holes on the rifle.

If this is the case, you can buy the old style base with the windage adjustment. (They were made
to correct this when the old scopes only had 10 MOA of windage These bases will be fine with no
more recoil than the WSM has. If the new scope wont correct with the weaver base, other than
re drilling the reciever the adjustable bases are the only way that will allow full windage
adjustments.

The Z rings may have enough adjustment to fix your problem.

J E CUSTOM
Thanks for the info...will check it later when I have a chance to run by my local gun shop. How big of a deal is it to have the receiver redrilled and tapped correctly?
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  #6  
Old 07-25-2012, 02:21 PM
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Join Date: Apr 2010
Location: Allen, TX
Posts: 2,608
Re: out of windage

All goo suggestions.

But, I never trust those boresighter gizmos.

I would bag up the rifle and remove the bolt.

Sight thru the bore onto a target 50-100 yds away, and then adjust the turrets.

-- richard
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  #7  
Old 07-25-2012, 04:00 PM
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Join Date: Jul 2012
Location: Colorado springs Colorado
Posts: 11
Re: out of windage

I always redrill and tap to 8-40 when I true an action. Yes they are always off some a little some alot. My advice is to have the action redrilled anyway you need to have zero focal plane deviation. Also if you decide to not redrill costs about 150 to 200 bucks when done as a seperate operation, and use a windage ajustable base make sure your not flexing the scope tube. If you do you wont be looking through the center of the focal plane.Bart
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