Lynx 2P Stud Bases for Winchester 70
Marlin XL7, Marlin MR7 .270
Musgrave 80 81 82 90 (not deluxe or magnums)
Winchester 70 Std.  All calibres
 
 
Mount individually on the bridge and receiver of a rifle with two screws at front and two at back.  The same mounts can be used regardless of action length.