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Author Topic: Mounting/lapping a scope  (Read 12270 times)

Offline jay.sharkbait

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Re: Mounting/lapping a scope
« Reply #30 on: December 14, 2016, 06:55:21 PM »
I have been using a quality one piece base instead.

Offline Kenaiwild

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Re: Mounting/lapping a scope
« Reply #31 on: December 14, 2016, 08:16:05 PM »
 Scope bodies are a swaged or spun tube and therefore should be concentric.  Question is how "concentric / perfect?".  We're talking thenths of of a thousandth so what does it matter?  Is the glass in the scope set perfectly?

Offline Reidus

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Re: Mounting/lapping a scope
« Reply #32 on: December 14, 2016, 09:00:38 PM »
IMHO, lapping is more about reducing or eliminating stresses in the scope that lead to failure, rather than accuracy gains.
If I had a R700, I'd definitely lap.
No telling how screwed up the mounting holes might be.
:yeah:

Offline Reidus

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Re: Mounting/lapping a scope
« Reply #33 on: December 14, 2016, 09:04:21 PM »
I have been using a quality one piece base instead.

That probably helps but it still does not mean your rings will be aligned.

Online JimmyHoffa

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Re: Mounting/lapping a scope
« Reply #34 on: December 14, 2016, 09:15:06 PM »
There is a law of diminishing returns in shooting as in just about everything else.  Lapping is more about more evenly distributing the force/contact area of rings to scope to eliminate binding.  After seeing the improvement from action bedding/free floating to eliminate binding within the gun, I figured lapping probably couldn't subtract from accuracy.  But after bedding, using higher QA handloads, some trigger work...there's not much noticeable room for lapping to work with for chasing a smaller group.

 


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