Product Description The Ruff&';s Precision Co-Linear Bubble Scope Rings (CLR-34100) are precision-engineered 34mm riflescope rings featuring a built-in co-linear bubble level for maximum accuracy in the field. Designed for serious shooters, the integrated bubble level is easily visible from the shooting position using the non-dominant eye, providing instant cant reference both during scope mounting and prior to each shot. The ring body and cap are machined from 6061-T6 aluminum, while the cross bolt and hardware are crafted from 303 stainless steel for superior durability and corrosion resistance. An alignment lug on the top ring ensures precise cap-to-base alignment during cap screw installation, making scope mounting straightforward and repeatable. Proudly made in the USA. Product Highlights Built-In Co-Linear Bubble Level: Integrated level is visible from the prone shooting position with the non-dominant eye, enabling quick cant reference before every shot. Premium Materials: Ring body and cap constructed from 6061-T6 aluminum; cross bolt and nut made from 303 stainless steel for lasting strength and corrosion resistance. Precision Alignment Lug: Top ring alignment lug ensures accurate cap and base alignment during cap screw installation, eliminating guesswork. Simplifies Scope Mounting: Eliminates the need for multiple small levels or balancing tools by providing a reliable, built-in reference during the mounting process. Made in the USA: Manufactured to strict tolerances in the United States for quality and reliability you can count on. Specs Brand: RUFFS PRECISION MPN: CLR-34100 UPC: 850063702041 Ring Size: 34mm Height: Medium (1") Material: 6061-T6 Aluminum (ring body and cap); 303 Stainless Steel (cross bolt and hardware) Cross Bolt Size: 1/2" Recommended Torque - Cap Screws: 18 in/lbs Recommended Torque - Cross Bolt: 45 in/lbs Weight (Medium): 4.4 oz Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>