Rear Base for: Browning BLR with flat top receiver (older models). BSA other high powers. Marlin 39A, 39D, and Century (octagon barrel). Herters U9, BSA Action. Voere 2130.
Front Base for: Browning BLR with flat top receiver (older models). BSA other high powers. Herters U9, BSA Action. Voere 2130.
