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#6984074 - 12/05/17 02:37 PM Scope Issue ?
Teal28 Offline
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Registered: 12/10/08
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Loc: Hen House Tx
Mounted a Lupe VX3 4x12x50 30mm on a weatherby vanguard 308. bought tally 2 pc bases and rings.
Mounted the base rings and scope. Went to range and bore sited and tried to sight in. Problem is the scope bottomed out on elevation. POI is 6"+ lower than POA. Pulled everything back apart. Check to see if all was tight sitting flush and mounted correctly.
I reset the scope to center of the total revs and remounted. Still have the same issue. Scope is bottoming out. These ore low/med rings and the scope obj. bell is right at 1/2" above the barrel. Any ideas? Never had this problem before.
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#6984110 - 12/05/17 03:00 PM Re: Scope Issue ? [Re: Teal28]
Texasteach Online   content
Bird Dog

Registered: 01/05/16
Posts: 388
Loc: Ector County
I would bet that you have a set of mismatched rings. Would bet that the front ring is higher than the rear ring.


Edited by Texasteach (12/05/17 03:01 PM)
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#6984138 - 12/05/17 03:20 PM Re: Scope Issue ? [Re: Teal28]
2000cbr929 Offline
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I don't think I have ever seen a 50MM objective 1/2" from the barrel on any rifle unless it had those old see through rings and even still don't think you could get 1/2" above.
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#6984140 - 12/05/17 03:21 PM Re: Scope Issue ? [Re: Texasteach]
FiremanJG Online   content
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Registered: 12/16/08
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Originally Posted By: Texasteach
I would bet that you have a set of mismatched rings. Would bet that the front ring is higher than the rear ring.
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#6984146 - 12/05/17 03:24 PM Re: Scope Issue ? [Re: Teal28]
VAFish Offline
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Registered: 02/09/15
Posts: 327
Loc: Fairfax, VA
Easy way to tell if it is a mismatched set of rings. Swap the rings from front to back and see if you are now shooting high.

Did you by chance get the 20 MOA rings?



Edited by VAFish (12/05/17 03:25 PM)
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#6984151 - 12/05/17 03:25 PM Re: Scope Issue ? [Re: VAFish]
Texasteach Online   content
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Registered: 01/05/16
Posts: 388
Loc: Ector County
Originally Posted By: VAFish
Easy way to tell if it is a mismatched set of rings. Swap the rings from front to back and see if you are now shooting high.


Or if the scope hits the barrel...grins.
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#6984254 - 12/05/17 04:34 PM Re: Scope Issue ? [Re: Teal28]
ChadTRG42 Online   happy
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Registered: 09/16/09
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Loc: Lewisville, TX
switch the rings- front to back and back to front. See if that fixes it.
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#6984413 - 12/05/17 06:24 PM Re: Scope Issue ? [Re: Teal28]
Teal28 Offline
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Registered: 12/10/08
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I will swap the rings and see what happens. Though they donít look to be different heights.
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#6984439 - 12/05/17 06:37 PM Re: Scope Issue ? [Re: Teal28]
QuitShootinYoungBucks Online   content
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Registered: 11/01/12
Posts: 9198
Loc: Lubbock, TX
Is the ring and base one unit?
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#6984453 - 12/05/17 06:47 PM Re: Scope Issue ? [Re: Teal28]
OkieDokie Online   happy
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Registered: 01/28/08
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I remember a thread about a scope that had a built in zero stop that you could adjust by taking of turret off. Donít know if this is your problem but just a thought.
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#6984842 - 12/06/17 06:47 AM Re: Scope Issue ? [Re: Teal28]
Teal28 Offline
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Registered: 12/10/08
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2 pc base 2 rings. No zero stop on the scope.
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#6985092 - 12/06/17 09:29 AM Re: Scope Issue ? [Re: Teal28]
QuitShootinYoungBucks Online   content
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Registered: 11/01/12
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Loc: Lubbock, TX
Originally Posted By: Teal28
2 pc base 2 rings. No zero stop on the scope.


What rifle? Are the bases the same height/thickness?

Can you post some pictures? IMO it is likely the bases are backwards.


Edited by QuitShootinYoungBucks (12/06/17 09:31 AM)
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#6986452 - 12/07/17 07:14 AM Re: Scope Issue ? [Re: Teal28]
Teal28 Offline
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Registered: 12/10/08
Posts: 4223
Loc: Hen House Tx
Bases are not backward. they are both flat. That was my first thought when problem started. I also mounted the bases per the instructions and pictures in the package. up
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#6987709 - 12/07/17 08:23 PM Re: Scope Issue ? [Re: Teal28]
BigPig Online   content
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Registered: 08/27/09
Posts: 12925
Loc: Forney, Tx
Maybe try lapping the rings? Iíd measure them while they are off with calipers and even measure each side of each rung, just to see if they were killed incorrectly.
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#6988769 - 12/08/17 02:37 PM Re: Scope Issue ? [Re: Teal28]
QuitShootinYoungBucks Online   content
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Registered: 11/01/12
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Loc: Lubbock, TX
Teal, did you figure it out?
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