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08-06-2020, 07:01 PM
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Join Date: Apr 2011
Posts: 244
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Leupold CDS maxes out, can't bore sight.
I have a VXR Leupold 3-9 scope with CDS. I mounted it on my Steyr rifle with Burris bases and Leupold PWR rings then tried Vortex Pro rings. Both are the same. I can't bore sight my elevation because I run out of adjustment. I even tried with the CDS dial off. The bases and rings are perfect. I wonder if the scope has an internal issue as I bought it used? Any suggestions? Clayton
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08-06-2020, 07:32 PM
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Join Date: Oct 2009
Location: Medicine Hat
Posts: 4,237
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Put the rifle in a solid rest aim the scope crosshairs at the center of a target.....twist up and down dial if crosshairs move it may not be the scope.....(start your scopes xhairs in the middle eg: 5 full turns from bottom to top.= 2.5 turns to center xhair ). If crosshairs move it will be something in your mounting possess most likely.
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- Sightron rifle scopes, 4.5x14x42mm or 4x16x42mm
especially! with the HHR reticle. (no duplex pls.)
- older 6x fixed scopes with fine X or target dot.
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08-06-2020, 07:46 PM
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Join Date: Nov 2015
Posts: 55
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Mechanical Zero Adjustment ?
Mechanical zero can reset a scope to back to center.
Some scopes have the numbers of clicks above / below the actual rating of a scope - sorta like out of specification,
https://www.americanrifleman.org/art...chanical-zero/
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08-06-2020, 08:08 PM
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Join Date: Apr 2019
Posts: 111
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Is there any way or chance to get the front and back bases mixed up. Some rifles are not level across the top of the action.
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08-06-2020, 08:20 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,104
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Does the scope have a zero stop, or zero lock that limits the elevation?
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Only accurate guns are interesting.
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08-06-2020, 08:23 PM
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Join Date: May 2007
Posts: 15,827
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99% of the time this is a ring/base/receiver issue.
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“I love it when clients bring Berger bullets. It means I get to kill the bear.”
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08-06-2020, 08:27 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,104
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Quote:
Originally Posted by chuck
99% of the time this is a ring/base/receiver issue.
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Unless the scope has a zero stop, then it is usually the person not knowing how the zero stop works.. 
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Only accurate guns are interesting.
Last edited by elkhunter11; 08-06-2020 at 08:39 PM.
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08-06-2020, 08:59 PM
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Join Date: Apr 2011
Posts: 244
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The receiver is flat with same base number front and rear. The rings align perfect and I tried 2 sets of rings just to be sure. Its not mounting.
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08-06-2020, 09:32 PM
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Join Date: May 2007
Posts: 15,827
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Count clicks. How much travel do you have compared to manufacture specs? Also, which way are you running out of elevation?
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“I love it when clients bring Berger bullets. It means I get to kill the bear.”
-Billy Molls
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08-06-2020, 09:51 PM
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Join Date: Dec 2014
Location: Calgary
Posts: 1,542
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The click directions are opposite of their labels when you are bore sighting. If you want to go left, click the scope adjustment dial to the right, and up is down.
The dials are labelled to simplify zeroing while shooting, and they are labelled to move the bullet impact, which is actually opposite, as the dials are moving the crosshairs on relation to the un-changing bullet alignment out of the barrel.
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08-06-2020, 09:59 PM
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Join Date: Jul 2016
Posts: 3,411
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From the Leupold site:
Quote:
Running out of Elevation Up: If your bullet is impacting low and you have dialed your scope all the way up, an inclined base such as the BackCountry Cross-Slot 20MOA base may lower your point of impact far enough to sight in.
Running out of Elevation Down: Many Leupold scopes feature a zero-stop, or ZeroLock elevation dial that limits travel below the set zero of the firearm. This allows a rapid return to zero when dialing for bullet drop. If you encounter this mechanical limit in the downward direction while sighting in, loosen the dial set screws and turn the dial in the up direction 1-2 revolutions, then re-tighten the set screws. This will allow more dial travel in the down direction. Once the desired zero has been achieved loosen the set screws again, turn the dial until the zero stop or ZeroLock is engaged, then re-tighten the set screws.
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Link to page: https://www.leupold.com/riflescope-troubleshooting
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“One of the sad signs of our times is that we have demonized those who produce, subsidized those who refuse to produce, and canonized those who complain.” - Thomas Sowell
“We seem to be getting closer and closer to a situation where nobody is responsible for what they did but we are all responsible for what somebody else did.”- Thomas Sowell
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08-06-2020, 10:41 PM
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Join Date: Apr 2011
Posts: 244
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I think I got it set up ok after resetting to mechanical zero. Ill go to the range soon and let you know.
Clayton
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08-07-2020, 01:04 AM
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Join Date: Jul 2011
Location: Strathcona County
Posts: 2,170
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Quote:
Originally Posted by Nyksta
The click directions are opposite of their labels when you are bore sighting. If you want to go left, click the scope adjustment dial to the right, and up is down.
The dials are labelled to simplify zeroing while shooting, and they are labelled to move the bullet impact, which is actually opposite, as the dials are moving the crosshairs on relation to the un-changing bullet alignment out of the barrel.
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Was also going to suggest this but sounds like he’s on his way now.
Keep us posted on the sight in and check the other thread recently discussing how to do so as there may be some new methods to try out
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08-07-2020, 07:14 AM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,104
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So what was the issue?
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Only accurate guns are interesting.
Last edited by elkhunter11; 08-07-2020 at 07:28 AM.
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08-07-2020, 02:51 PM
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Join Date: Apr 2011
Posts: 244
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Works good now. I appreciate the help.
Clayton
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08-09-2020, 03:39 PM
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Join Date: Jul 2011
Location: Strathcona County
Posts: 2,170
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Quote:
Originally Posted by elkhunter11
So what was the issue?
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I’m guessing humble pie or crow lol.
Works good now so that’s all we get.
We’ve all been there and can recognize it though haha
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08-09-2020, 06:43 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,104
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Quote:
Originally Posted by kujoseto
I’m guessing humble pie or crow lol.
Works good now so that’s all we get.
We’ve all been there and can recognize it though haha
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I am guessing zero stop.
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Only accurate guns are interesting.
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