Leupold Mark 4 Browning A-Bolt LA

LEUPOLD MARK 4 8-40 ADAPTABLE MOUNTS - BROWNING A-BOLT LA (1-PC) a 20 MOA long-range shooter version a Designed to accomodate both the 8-40 screw & modified 6-48 shoulder screw a Larger through holes accept the thicker 8-40 screw while the standard 6-48 screw has been replaced by the shoulder screw to work w/the larger opening a Gives you the flexibilty to mount rifle w/common 6-48 screw size or drill & tap gun to accept the 8-40 screws a 8-40 screws increase mount strength by 41% a Matte black