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MDT Premier Scope Rings

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The MDT Premier Scope Rings offer a solid mounting system for your optics. Made from precision machined aluminum, these rings are available for the majority of scope sizes and required heights.

Designed for ultimate precision and strength:

  • CMM checked to 1.5 millionths of an inch precision
  • Machined from Billet 6061 Aluminum


  • Stepped base-to-cap interface allows the fasteners on one side to be tightened before making final scope alignment adjustments
  • Four oversized #8-32 Grade 8 fasteners used for clamping the scope

MDT Premier Scope Rings are designed and manufactured to STANAG 4694 specification, also known as “NATO spec”. This means the scope ring sits tight to the top of the scope base rail, with pressure being applied to the underside of the angled rail surfaces to maintain a solid interface (as shown below). This design also allows mounting on out-of-spec rails:

MDT Premier Scope Rings Interface

By contrast, US MIL-STD-1913 spec mounts attach only to the angles sides of the rail, leaving a small gap between the top of the rail and the underside of the mount, and significantly reducing the amount of contact area between the mount and rail:

MDT Premier Scope Rings Interface second view

Testing performed by NATO has shown that the STANAG attachment method increases the robustness of the interface, leading to increased alignment repeatability. MDT Premier Scope rings can be mounted to scope base rails designed to both the STANAG and MIL-STD specifications.

Customer Reviews

  • Love them and they are perfect for well built .

    Posted by RODNEY BROWN on Oct 6th 2021

    You guys do amazing work and I'm amazed how nice they are built .

  • Excellent rings.

    Posted by JASON HOLGREEN on Jul 22nd 2021

    These are every bit as good as vortex rings for about half the price. MDT makes awesome stuff

  • user

    Posted by JOHN WITTWER on Jun 1st 2021

    We are still in the adjusting/Set up phase. The customer Service has been Outstanding. So far the product is working fine and we would recommend the product and the company.

  • Great product

    Posted by Eric Thurgood on Mar 12th 2021

    Well built and arrived very quick. These are my go to rings for any build.

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