OPTILOCK™ scope mount rings and bases are precisely machined out of solid steel to ensure perfect mating with our integral receiver scope mount rails and optimal scope alignment. OPTILOCK™ scope mount bases come clamshell-packed in pairs.

All the parts required for assembling bases to receiver and rings to bases are included (plus hex key).

The size of base that you need can be determined by the caliber of your rifle and corresponding action type.