These bases are made for Christensen Arms by Talley. They will fit rifles with round style receivers, to include 2016 and earlier Ridgeline and Rebel models. These DO NOT fit the Mesa.
Ridgeline short-action receivers with serial numbers prior to CB06356, and long-action receivers with serial numbers prior to CB00909, incorporate 6-48 threaded receivers.
Available in either zero or 20 MOA taper.
Short action 2.1 oz., Long action 2.35 oz. (with screws)