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Scope reticle leveling / rifle cant

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trigger29 View Drop Down
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X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ?

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Post Options Post Options   Thanks (0) Thanks(0)   Quote trigger29 Quote  Post ReplyReply Direct Link To This Post Posted: April/18/2008 at 15:06
Ok, I am going to use Rancid Coolaid's feeler gage method, but I have Talley lightweight mounts. The front mount has a flat right below the flat on my scope. My question is, how to I know that the mount is sitting on the reciever properly and level with the bore? Oh man this is killing me. I was using my Rapid-Z 800 and the further I shoot the more left I hit. I even hit left when the wind is from the left at very extended ranges.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rancid Coolaid Quote  Post ReplyReply Direct Link To This Post Posted: April/18/2008 at 15:35
Do you hit low and left or just left?  If your reticule is canted, essentially some of your elevation adjustment is functioning as windage adjustment - meaning it ain't all going in as elevation.  If you are shooting left, you should also be shooting low - if it is due to cant.

Does your rifle zero at 100 yards?

Cant is something you can easily work on on the rifle; however, you probably also cant the rifle when you shoot.  A level reticule does you no good if you are canting the gun when you shoot.

I'll go back and read your original post and see if I can offer any help.  The feeler gauges will get the bottom of the scope exactly square to the bottom of the mount - but that is all they do.  For all to function as it should (and the reticule to be of any real value), the vertical line of your reticule must pass through the center of the bore (with no windage correction added in) AND the rifle (and therefore scope) must be level with the horizontal line of the target.


I will try to be of more help, but start with the feeler gauges.

And let me know if you shoot straight left of low and left.
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trigger29 View Drop Down
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X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ?

Joined: September/29/2007
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Post Options Post Options   Thanks (0) Thanks(0)   Quote trigger29 Quote  Post ReplyReply Direct Link To This Post Posted: April/18/2008 at 16:15
I started out hitting low, but increased magnification to make the Rapid-z bring the shots up, but was still hitting left. I didn't know if I was hitting low because I needed to tweak the power setting for the reticle or if it was rotation. Still learning on the Rapid-z, and how accurate their calcuator is.  As far as canting the rifle, it would be a lot easier to not cant it if the reticle was level. I may be canting the rifle due to the reticle being off.

Edited by trigger29 - April/18/2008 at 16:16

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 3_tens Quote  Post ReplyReply Direct Link To This Post Posted: April/18/2008 at 17:21
This is not the most accurate but it is fast if it is off very much. Back your eye off the scope to where the reticle is very prominent. visually extend the vertical post to see if it appears to hit the center of the bore. To verify if it is rifle cant put the rifle to your shoulder and point at something that is straight up and down ( Boards in a privacy fence) close your eyes for a few seconds then open them. You should be able to tell if you are canting the rifle by the cross hairs and the cracks between the boards. If you find that you have a poor stance practice by closing your eyes, moving back and forth then open to see if you are square with the world. Bad habits are hard to break. I have spent some time away from shooting ant several old habits have crept up to bite me.
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