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BirdieShooter
July 21, 2008, 11:17 PM
The subject of scope ring sizes came up while I was turning a set of alignment bars (1"). My dad suggested we make a set for each available size ring. Of course anytime we have an excuse to build something we may never use and totally don't have time for anyway I went right along with the idea. The conversation started out simple enough with the obvious 1" and 30mm and then I suggested 3/4" for rimfires and such when he responded with well then what about 7/8"? Thats where it turned ugly with me replying "no such animal!" This of course ended up with me on Google and him swearing about computers, LOL. Now I have added 34mm (which I knew about, but forgot) 26mm (which I hate to admit I didn't) and some odd references to 42mm, but I couldn't clarify if that was actually a tube and ring size or not? I figured the next thing to do was put out an APB and see what showed up so if anyone can bring supportive evidence of the 7/8", 42mm or any other size that can be substantiated please do (and please cite references). I think I am going to build dear old dad the worlds first COMPLETE TITANIUM SCOPE ALIGNMENT AND LAPPING SET! Or not.

I'll wait until I know way more then I need to about it and then see how I excited I am about that much lathe time. If anyone has any info please do share, THANKS!

Doyle
July 22, 2008, 07:30 AM
I've got an old Bushnell Pistol scope that is 7/8" sitting in a cabinet.

Clemson
July 22, 2008, 10:38 AM
Brownells sells a ring reducer to allow use of 1" rings on a 7/8" tube. http://www.brownells.com/aspx/NS/store/ProductDetail.aspx?p=18588&title=DELRIN~%20RING%20REDUCERS

Clemson

Clemson
July 22, 2008, 10:52 AM
I also recalled that the Lyman Alaskan was a 7/8 inch scope. Here is a scope mount for 7/8 inch tubes: http://cgi.ebay.com/ECHO-SCOPE-MOUNT-AND-RINGS-WEAVER-ALASKAN-LYMAN_W0QQitemZ200239922565QQihZ010QQcategoryZ73949QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

BirdieShooter
July 22, 2008, 01:08 PM
Great! So once again dear old dad is right. Will I ever learn....?