Burris rings and bases have long been favourites of custom gunmakers because of their strength, beauty and fit. It's easy to recognize Burris' leadership role in scope mounting systems when you consider the myriad of innovative designs and manufacturing processes that result in rock-solid performance. Each Burris ring is made from a solid piece of steel with the top and bottom half perfectly mated. Finish: Black Matte. Fits a standard rimfire dovetail.