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What’s the center to center height on the tall 30mm ones …it says 12mm but I can’t relate to what it refers ? Reply is greatly appreciated — 1 Answer

by Jay, from MI, United States Asked on August 24, 2024

Name Contessa Hardened Steel Quick Clamp Picatinny Rings
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Answered by Christopher, member, from TX, United States, on March 07, 2026

12mm refers to the distance between you picatinny rail and the bottom of your scope. So if your scope tube is 30mm, divide that in half to determine the center, which is 15mm, add it to the 12mm, and you have 27mm from your rail to the center of your scope

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Last updated 2026-03-07 UTC.