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Scope tuning (Read 4421 times)

Rabb Participating Member Offline Posts: 18 Location: Antler Lake Joined: Jun 9^th, 2014	Scope tuning Jul 22^nd, 2015 at 4:26pm	Print Post
	Hi from Alberta. My ignorance abounds. A little help, please. Is there a simple and or a certain method to center the cross- hairs within the scope body on an internally adjusted scope? Please be long-winded if this maneuver is complicated. Thank you from Rabb.y


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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 16401 Location: Oregon Joined: Feb 2^nd, 2009	Re: Scope tuning Reply #1 - Jul 22^nd, 2015 at 4:49pm	Print Post
	It depends on the scope. Some older scopes actually moved the crosshairs when they were adjusted. So if centered, they may not hit where you want on a particular gun. On newer scopes, an off center crosshair indicates a problem, and the need to take a look at the crosshairs to see if they were installed properly.

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notlwonk Full Member Offline Posts: 159 Location: Coventry CT Joined: Dec 18^th, 2006	Re: Scope tuning Reply #2 - Jul 22^nd, 2015 at 5:12pm	Print Post
	You can use a simple wood or heavy card board device with 2 V notches or semi circle notches. Rotate the scope in the notches and adjust the knobs until the cross hairs no longer go in a circular orbit. The device needs to be fairly stable and viewing a distant object will give a good reference as to when it is optically centered.


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JS47 Frequent Elocutionist Offline Posts: 1265 Location: Arizona Joined: Oct 12^th, 2012	Re: Scope tuning Reply #3 - Jul 22^nd, 2015 at 10:41pm	Print Post
	I think the way to center crosshairs, if the scope is working properly, is to run the adjustment screw as far as it will go in one direction, then run it all the way in the other direction noting on the scale how far it goes. Back off half of this reading and the cross hair should be centered. It needs to be done for both windage and elevation. JS


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Rebel Frequent Elocutionist Offline Posts: 4292 Location: Rockets and Race Cars Joined: Mar 9^th, 2015	Re: Scope tuning Reply #4 - Jul 23^rd, 2015 at 10:18am	Print Post
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	WARNING: This post may contain material offensive to those who lack wit, humor, common sense and supporting factual or anecdotal evidence. Let's Go Sonny!
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bnice Frequent Elocutionist Offline Posts: 1868 Location: Iowa Joined: Nov 30^th, 2006	Re: Scope tuning Reply #5 - Jul 23^rd, 2015 at 7:50pm	Print Post
	Be aware if you follow Stockermans method some scopes let you run off of the end and still will turn but the crosshair is no longer moving. On those If you watch the crosshairs and turn until no perceived click movement and then go the other way till no movement while counting clicks then you know how far back to center.


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frnkeore Frequent Elocutionist Online Posts: 7352 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: Scope tuning Reply #6 - Jul 23^rd, 2015 at 8:31pm	Print Post
	One other thing, regard these type of scopes is, they need to be mounted on a Redfield/Leuplod type mount so that you can center the windgage hair. The elevation will still be off center, depending on the range that you sight it in to. Frank

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boats Frequent Elocutionist Offline Posts: 7586 Location: Virginia Joined: Apr 23^rd, 2004	Re: Scope tuning Reply #7 - Jul 24^th, 2015 at 12:10pm	Print Post
	2nd on the Redfield type mount which lets you rough zero the windage with the mount and work from the scopes center of wind adjustment. There are some dual screw single rings available too. Millet makes a good one, lighter too for rifles that have to make class weight. You can also tweak the elevation adjustment a bit by using shims in the scope rings. My modern internal adjustment Silhouette scopes need about 15 moa adjustment to go from Chickens to Rams. I use some very thin shim stock to zero Chickens about 1/4 way up. Run the course, end up with Ram adjustment having a bit left over. Boats


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JLouis Frequent Elocutionist Offline Posts: 10625 Joined: Apr 8^th, 2009	Re: Scope tuning Reply #8 - Jul 24^th, 2015 at 6:01pm	Print Post
	Burris Signature rings use off set inserts to zero bot the windage and elevation and the also protect the tube body. They very reasonable dependable and easy to use. The information along with a video on how they work is on their website. JLouis

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JS47 Frequent Elocutionist Offline Posts: 1265 Location: Arizona Joined: Oct 12^th, 2012	Re: Scope tuning Reply #9 - Jul 26^th, 2015 at 8:29pm	Print Post
	bnice wrote on Jul 23^rd, 2015 at 7:50pm: Be aware if you follow Stockermans method some scopes let you run off of the end and still will turn but the crosshair is no longer moving. On those If you watch the crosshairs and turn until no perceived click movement and then go the other way till no movement while counting clicks then you know how far back to center. The method I mentioned is the method recommended in Leupolds owners manual. I don't know about other brands. JS


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