BASE, X-BOLT 20 MOA PICATINNY WITH BUBBLE LEVEL, XBOLT1 300RUM/PRC, XBOLT2 LA

High-strength aluminum alloy 1913 Picatinny scope base, attaches to the receiver with 8 screws. Integrated bubble level at the rear of the rail. Fits Rem. Ultra Magnum X-Bolt actions only. Compatible with both Weaver- and Picatinny-style rings.