Equally at home on precision rifles and mountain rifles, WarneA(R) Mountain Tech Rings are precision-machined to the tightest tolerances possible using only premium 7075-T6 billet aluminum. The Rings are fully designed and manufactured in the USA, and feature a mil-spec hard-anodized finish and stainless steel hardware for the highest level of corrosion resistance and protection from the elements. Each Ring locks into place on any WeaverA(R) or Picatinny rail via a 1/2" tactical nut for absolute security. Precision-machined 7075-T6 aluminum construction Mil-spec hardcoat-anodized finish Stainless steel hardware for superior durability Each Ring is .705" wide to grip your scope's tube securely Fits Picatinny & Weaver-style rails, and is NATO/STANAG compatible Designed for scopes with a 30mm main tube Made in USA Order today!