Four Hole Picatinny 30-mm Riflescope Rings Engineered for precision and durability, the Four Hole Picatinny Riflescope Rings are the ideal choice for serious shooters. Designed with a robust yet lightweight construction, these rings ensure your optic stays secure under the most demanding conditions. Key Features: Premium Materials: Precision-machined from 6061 T6 aluminum for lightweight strength. Maximum Durability: Finished with Type III hard coat anodizing to resist wear and corrosion. Enhanced Compatibility: Upgraded crossbolt meets Picatinny specifications for superior alignment and stability. Secure Fit: Features no-strip Torx screws and a skeletonized design for optimal hold and reduced weight. Proudly Made in the USA: Precision-manufactured to deliver the highest quality and reliability. Weaver Recommended Torque Specs Cap Screws: 15 in lbs Crossbolt: 48 in lbs Instruction Manual