unertl scope


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A. R. Scott
May 25, 2009, 04:16 PM
What is the mounting distance of the bases (center to center) on a unertl long scope? ThankYou. arselk@comcast.net

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rcmodel
May 25, 2009, 04:51 PM
I believe it is 7.2" to get the advertised 1/4 MOA click adjustments.

rc

Gordon
May 25, 2009, 10:54 PM
Yes on the 7.2 " CTC (center to center) and I'll bet there are not a 100 people in the world left that know that without calculating.

bensdad
May 25, 2009, 11:02 PM
Jeez. I didn't know there WAS a specific distance for ANY scope. :o

Should I re-mount my scopes?

rcmodel
May 26, 2009, 10:18 AM
The old Unertl, Lyman, and Redfield target scopes used mounts with external adjustments built into the sliding rings.

The base spacing has to be at a specific distance apart for the clicks to move the scope the right amount each click or graduation.


http://www.alexweb.net/unertl/unertl55.jpg


rc

Jim Watson
May 26, 2009, 01:33 PM
Their literature had the spacing for different adjustments, if you wanted finer tuning, 10.8" would get you 1/6 moa per click. The actual movement in the mount is .0005" per click.

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