I have a CZ 453 Varmint Fluted 17HMR and am having a a difficult time finding any rings that fit. The rail is 11mm but still some of the so called 11mm rings to not tighten down far enough and remain loose. Anybody out there having the same problem or have a solution? I'll need high rings so the bolt clears the scope (Elite 3200 4-9x40). Thanks Folks.
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