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Joined: Jan 2006
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OP
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I had to remove 2 scopes. One was to sell here (that didn't sell) the other was to have work done on the rifle. These scopes were install almost exactly as they were before they were removed. Should I re-boresight them or will they still be on paper?
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Joined: Aug 2006
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Rebore sight them; it isn't hard to do and will save you any trouble that might occur of the scopes didn't go back on exactly as before. I've done what you describe several times and the scopes have been centered on the collimator each time. Better to find out at the workbench than at the range
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Joined: Nov 2007
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Better to find out at the range than on game.
Praise the Lord for full Salvation Christ Still lives upon the throne And I know the blood still cleansess Deeper than the sin has gone Lester Roloff
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Joined: Sep 2010
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The proper technique would have been to guestimate where the scope was pointed before you took it off with the Bore Sight tool. That way when you re mounted it, all you would have to do is align the cross hairs with the point of aim - where it was at when you removed it.
The bore sight tool is just a guesstimate of where it will aim when you shoot the first time. IN all actuality - the scope ought to be pretty close when you remount it.
I would just take one shot at the 25 yr target and then one shot at the 50 yd target and if it looks good - one shot at the 100 yd target.
If the rifle is on the paper with the first three shots - then all you have to do is adjust for windage and elevation. If the windage is off and the scope mounts has their own adjustment - I would adjust the mounts and not the scope.
Maybe a gunsmith would cheat a little and just readjust the scope - but my opinion on that subject is that the scopes adjustments should be as close to center as possible before sighting in the rifle.
So lets say you had to move it 30 clicks when new to sight in the rifle - ok. Now lets say you have to move it 40 more clicks to get it back to center - in the same direction - because I do not know the manufacturer and model of your scope - lets say there is 200 clicks - lock to lock of adjustment built into your adjustment. When new from the factory - that would put it at 100 clicks. OK
30 + 40= 70
Now can you see the dilema, a real gunsmith would want the scope aimed as close to the center of the adjustments as possible and save the clicks for final adjustment. What you are doing is pointing the scope one way and pointing the optic's inside of the scope another.
The scope probably isn't going to like being adjusted all to one side and usually problems erupt shortly after doing something like that.
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Joined: Mar 2001
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You just can't make this kind of schit up, can you?
Anybody who seriously concerns themselves with the adequacy of a Big 7mm for anything we hunt here short of brown bear, is a dufus. They are mostly making shidt up. Crunch! Nite-nite!
Stolen from an erudite CF member.
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OP
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In a case such as this I always recheck the rifle at the range. This was just a question to see what experiences that you guys have had!
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Joined: Jun 2007
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You just can't make this kind of schit up, can you? LMAO & shaking my head...
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Sorry rah, I got distracted.
I always check, but I expect the POI to be within a couple inches, and am not surprised if it's dead on. That's assuming constantly centered rings like D/D's or Talley LW's. All bets are off if you are using the old type Redfield/Leupold rear base with the windage screws.
Anybody who seriously concerns themselves with the adequacy of a Big 7mm for anything we hunt here short of brown bear, is a dufus. They are mostly making shidt up. Crunch! Nite-nite!
Stolen from an erudite CF member.
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Joined: Feb 2007
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About the same here. I've done it a few times and have never failed to be pretty darn close when I put it back on. Shoot it to be sure before hunting, but I doubt you're off by more than a couple of inches at 100 yards, maybe right on.
Most people don't really want the truth.
They just want constant reassurance that what they believe is the truth.
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In my experience they are usually pretty close.
1st Special Operations Wing 1975-1983 919th Special Operations Wing 1983-1985 1993-1994
"Manus haec inimica tyrannis / Ense petit placidam sub libertate quietem" ~Algernon Sidney~
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If I am going to remove a scope that may be returned to the same rifle/rings, I put the collumator in and get a reading off the grid. When I remount the scope, I return it to the same point and go to the range.Rick.
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My experience says it will be close but you could always take it to a smith.....................
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