Even the best optics cannot perform to their ability without a quality mounting system. Our mounts were designed by experienced shooters to be the perfect link between the optic and the rifle. Matching the mounting surface of industry leading brands, we know that our mounts are service grade without question.Features: Black anodized 6061aluminum 30mm Ring Twin recoil lugs Wide contact area Two heights - 1.5" medium & 1.75" high