B-Square 1-Inch Weaver Extension Rings-Medium Rise, Matte Black Finish B-Square, Weaver style Sport utility extension scope ring, 1 inch diameter, medium, with Cross slot, matte black finish Rsr group is a nationwide distributor of firearms and Shooting sports accessories This product is manufactured in Wraparound design Lightweight affordable strength Maximum scope retention and twice the clamping area Matte black finish