Browning Picatinny Rail w/Bubble Level Matte Black Aluminum Fits X-Bolt Anti-Cant/Picatinny Rail Mount Long Action 20 MOA 12524

Machined from aircraft-grade alloy - Features an integrated bubble for leveling your rifle during scope setup and when shooting in the field. - X-Bolt bases feature a four screw per base mounting platform for a secure fit. Eight screws total. - Picatinny-style bases are generally compatible with both Weaver-style and Picatinny-style rings