Alignment & Lapping - The HuntingPA.com Outdoor Community
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post #1 of 16 (permalink) Old 02-22-2018, 12:56 PM Thread Starter
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Alignment & Lapping

How important is alignment & lapping when mount a scope on a rifle? I purchased a Wheeler kit which I used on my last three mountings; however, I have not tested those rifles at the range yet...I will be shortly. Does anyone have any experience using this procedure and does it make an substantial difference on grouping etc as compared to doing the mounting the simple way of setting the scope on, using your eyeballs and a couple of small levels?
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post #2 of 16 (permalink) Old 02-22-2018, 01:50 PM
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It depends on how important your shooting is to you. If done properly the scope will be in alignment with the rings and if they are properly mounted it will be in alignment with the barrel. You will be closer to the true center of your scope and have more adjustment available. If you just shoot 100 yards you will not get much advantage. If you shoot over varying long range it means the world. Every long-range shooter that is serious does this.
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post #3 of 16 (permalink) Old 02-22-2018, 09:52 PM Thread Starter
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Just what I need to know Thanks Joepet.

Last edited by Born2Hunt; 02-22-2018 at 11:28 PM.
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post #4 of 16 (permalink) Old 02-22-2018, 10:12 PM
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very good information ,thanks for posting,joepet
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post #5 of 16 (permalink) Old 02-23-2018, 12:04 AM
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I have been a competition shooter for many yrs., never lapped a scope ring. Think about it, your making it larger than it was intended to be. A well know gunsmith who has written numerous books on gunsmithing and been published in many shooting magazines had an article out last year saying the same thing. I do put a strip of masking tape on the bottem half of both rings to prevent the scope form ever slipping from recoil. Everyone with something to make and sell has reasons they give for why you need their gadget. One of the things every benchrest shooter learns is after the first 5 yrs you have accumulated gadgets you don't need and will never use again. Lapping rings has nothing to do with alignment to the center of the bore, think about it.

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post #6 of 16 (permalink) Old 02-23-2018, 03:52 AM
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It may not do any good but it is fun playing with things !

WILLY P
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post #7 of 16 (permalink) Old 02-23-2018, 07:21 PM
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Quote:
Originally Posted by Born2Hunt View Post
How important is alignment & lapping when mount a scope on a rifle? I purchased a Wheeler kit which I used on my last three mountings; however, I have not tested those rifles at the range yet...I will be shortly. Does anyone have any experience using this procedure and does it make an substantial difference on grouping etc as compared to doing the mounting the simple way of setting the scope on, using your eyeballs and a couple of small levels?
Personally I would never not align and lapp the rings when mounting a scope. At the very least you will have a scope without scratches on the tube after it is mounted. I have never seen a set of rings that didnt have high spots that a little bit of lapping wouldnt clean up. Using a alignment tool will show any misalignment caused by the action, base, and/or rings. Lapping the rings removes edges that will scratch the scopes finish and will gives a larger contact area between the scope and ring.

Good luck, Tony
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post #8 of 16 (permalink) Old 02-23-2018, 07:31 PM
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I lap my rings too, or at least check my rings to ensure they're close. I have noticed that more expensive rings are usually better, but there is still variations on the base/receiver side. I do agree that too much lapping is not good.
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post #9 of 16 (permalink) Old 02-24-2018, 02:54 PM
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It is called blueprinting. Pick a center and align everything to it. In this case, the center is the bore. Every rifle that is blueprinted starts there and works its way out. If you have ever lapped a ring and seen how far they are out of line it would not make sense not to do it. The scope would have less chance to move because it would have more surface containment. Like anything, if you overdo it the results will suffer. Why would you spend thousands to blueprint a shooter and stop at a set of $50.00 scope rings?
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post #10 of 16 (permalink) Old 02-28-2018, 07:12 PM
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I used to shoot benchrest many moons ago but currently do long range shooting / hunting. I believe in the alignment tool tried lapping one time and no more. I never seen any better from it but as someone mentioned you can reduce scope scratches but they don't bother me. I noticed a lot of people advertising scopes will say no ring marks an di think its a big fad now of no scope marks.
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