Browning BLR 2 Piece Standard Turn-In Base Gloss Finish by Leupold Optics now offers the Leupold Browning BLR 2 Piece Standard Turn-In Base Gloss Finish scope mounts. The Browning BLR mounts are constructed of steel for strength its ability to hold zero. The Standard Turn In bases work in conjunction with Leupold Turn In Rings to mount your favorite scope. The mounts are finished in gloss black to prevent rust or corrosion and give a shiny appearance. The Standards have a rear adjustable screw for making additional windage changes without moving your scope zero. Turn In Style Steel Construction Gloss Black Finish Four Attaching Points Rear Windage Adjustment