Ultra-light tactical scope rings from Hawkins Precision are made in America out of a single billet of 6061 T6 aluminum. These fully machined rings feature a rigid, corrosion-resistant, black anodized finish. Machined with a clamp made from 7075 aluminum, these scope rings deliver extra strength and grip where it counts, and the ultra-light design frees you from carrying unnecessary bulk. Hawkins Precision scope rings come standard with an anti-cant level cap(Centered and Offset Available) and are available in 30mm, 34mm, 35mm and now 36mm sized in low, medium, and high.