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Old 07-02-2019, 07:43 AM
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Nomercy448
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Join Date: Oct 2009
Location: Kansas
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Which rifle and which type of Talley rings?

The 4-16x44mm VV HS has a bell diameter of 2.03” and a 30mm tube, which means it needs 1.02” minimum ring height (bottom to centerline) to set on top of a flattop - plus .125” desired clearance, for a total height above receiver of 1.145”. But... If you have a sporterweight barrel which droops in front of the chamber by 1/8” where the objective taper would touch and two piece bases which sit 1/4” above the receiver, you might get away with less than 1.0” rings (aka lows). If you’re talking about integral bases and a bull barrel, you might need the full 1.145”.

Easy solution, if you have the rifle and optic in hand - cut a deck of playing cards into two sets of 1/2” wide strips. Set the rifle in a vise, make two even stacks of card shims about 1/2” tall, set them on the receiver, and then set the scope on the shim stacks. Add or remove shims from each stack to create your desired clearance out front, measure the stack, add 15mm for the tube diameter, then buy that height of rings.

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