The Leupold 57524: Mark 4 rings provide unmatched reliability and precision fit by employing a proven cross-slot design. Ensuring wide-ranging compatibility, they beautifully pair with Leupold PRW bases or any other Picatinny-style mount rails.This specific ring set boasts a sleek matte black finish and is masterfully crafted from aircraft-grade aluminum. Highlighting its technical specifications, it features a 1\" ring diameter and maintains a Medium mount height, exemplifying its superior quality and design.