Weaver Tactical Picatinny-style Rings were built with performance in mind. Whether training for competition or preparing for real life action, operators can rely on Weaver Tactical rings to hold true. Rugged as all get-out, these rings are constructed of 6061-T6 aluminum and feature a Type-III hard coat anodizing with a stealthy matte black finish. The skeleton design reduces unnecessary weight without and loss in strength. Serious rings for serious shooters and all at a seriously low price. NotesMil-STD 1913/Picatinny-styleType-3 hard coat anodized finishTorx head screw included