The one-piece construction of the Talley Lightweight Alloy Scope Mount is unique. The rigid design has no joint between the scope and the rifle. The Talley Lightweight unitized design eliminates the possibility of an out of alignment interface or loose connection between the ring and base of traditional two-piece designs. Ultimately this provides more strength and durability than rival steel rings and bases but doing it with a lighter overall weight. By extruding 6000 series alloy known for its durability and then precision CNC machining the mount to its final design, Talley provides the strongest, lightest mount system on the market. With over 40 years of setting the industry standard for superior quality, Talley Scope Mounts have become known for precise tolerances, American craftsmanship, state-of-the-art CNC automation and stringent quality controls.