Cooper Firearms Model 52 and 92 Talley Stainless Steel bases, threaded 8-40 (current production rifles)

Cooper Firearms Model 52 and 92 Talley (blued) bases, threaded 8-40 (current production rifles)

Cooper Firearms Model 52 and 92 Warne Stainless Steel bases, threaded 8-40 (current production rifles)

Cooper Firearms Model 52 and 92 Warne (blued) bases, threaded 8-40 (current production rifles)

Cooper Firearms Model 52 and 92 Ken Farrell Stainless Steel 20 MOA rail, threaded 8-40 (current production rifles)

Cooper Firearms Model 52 and 92 Ken Farrell Stainless Steel 10 MOA rail, threaded 8-40 (current production rifles)