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  #1  
Old 06-30-2013, 10:15 PM
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Default To lap or not to lap

So I recently purchased a leupold vx-2 with the STD 2 piece dovetail bases and STD extension rings. I mounted the bases and was wondering about lapping. I want to mount the scope properly and was curious how many people actually lap their rings. I would hope the leupold rings would be quality and not absolutely need to be lapped to get a good hold on the scope. So what do you guys think?
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Old 06-30-2013, 11:29 PM
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Lap

It gives the best fit between the scope and the rings.

For all we spend on optics, toys and ammo, a lapping kit will last forever
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Old 07-01-2013, 7:44 AM
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I also helps to cut back on ring marks if you like to swap scopes around.
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Old 07-01-2013, 10:56 AM
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I think Leupold describes their rings as not needing to be lapped. However, I went ahead and lapped mine on a Savage 116. The bases were standard. Here is a blog I wrote on the experience:
http://www.opticsblog.com/2013/03/fi...-mounting.html

Chase B.
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Old 07-01-2013, 11:40 AM
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You do not HAVE to lap the rings. It is better if you do. I have 1'' and 30mm kits if you want to come by and lap them.
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  #6  
Old 07-01-2013, 5:35 PM
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Quote:
Originally Posted by OpticsPlanet View Post
I think Leupold describes their rings as not needing to be lapped. However, I went ahead and lapped mine on a Savage 116. The bases were standard. Here is a blog I wrote on the experience:
http://www.opticsblog.com/2013/03/fi...-mounting.html

Chase B.
Nice write up chase. After seeing your first bit of lapping on the rings, what percentage of hold do you think the rings had before lapping?
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Old 07-02-2013, 11:45 AM
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You don't want any misaligned rings for any caliber.
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Old 07-02-2013, 12:36 PM
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Quote:
Originally Posted by TruEdge View Post
Nice write up chase. After seeing your first bit of lapping on the rings, what percentage of hold do you think the rings had before lapping?
Thanks! Hard to say. After I got the rings set up with the alignment bars, I didnít put the scope in the saddle before I started lapping. I would say, after lapping, 95% of the inner surface of the rings showed significant levels of "smoothing".

Chase B.
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  #9  
Old 07-02-2013, 1:37 PM
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Quote:
Originally Posted by OpticsPlanet View Post
Thanks! Hard to say. After I got the rings set up with the alignment bars, I didnít put the scope in the saddle before I started lapping. I would say, after lapping, 95% of the inner surface of the rings showed significant levels of "smoothing".

Chase B.
I guess I should say when you did you first check after a bit of lapping did it look as it was removing material evenly or was there some noticeable unevenness?
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Old 07-02-2013, 3:08 PM
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Quote:
Originally Posted by TruEdge View Post
I guess I should say when you did you first check after a bit of lapping did it look as it was removing material evenly or was there some noticeable unevenness?
I would say by the time I was done it was fairly even. You need to evenly distribute the lapping compound on the rings to start, and set the ring screws to the same torque spec. The first torque spec I had on the rings was something like 5 in/lbs. Any more than that and I was unable to slide the bar. I progressively increased the torque equally to the point in which I could just get the bar sliding.

Chase B.
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  #11  
Old 07-03-2013, 5:21 PM
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I'd hardly call what I do lapping, snugg the top ring down & take a piece of wet or dry on my finger work in around knocking off the high spots inside.
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