• Designed to work with popular 1-5x low power combat scopes • Attaches to rifles with a built-in AK receiver interface • Patented Elite Defense QD system for no tool adjustment and repeat zero locking • Hardcoat anodized 6061 aluminum & melonite coated steel construction • Will work with 1" scopes with optional reduction rings • Weight 9.0oz. • 100% made in the U.S.A., with lifetime warranty