These Talley Premium Steel Scope Rings work with our Talley Steel Bases that start with 252xxx or 258xxx (as per example 252000 steel base for Browning A-Bolt, 252700 steel base for Remington Model 700, 252702 steel base for Winchester Model 70) 

These rings will fit some rifle receivers with a milled 1/2 inch (0.500 inch) dovetail base, as per example: CZ 452, 453 American 

Available in Matte, Black Satin, Gloss and Case Hardened Finishes, and in Stainless Steel