The matte blackTop Mount Base #S47fromWeaverhas been machined to tight tolerances for a custom fit. This aluminum base offers maximum strength so that the rings will hold tight.
Rear Base for:
Browning A-Bolt, A-Bolt 22 Stalker; Medallion, BBR (Bolt Action), long and short actions
Marlin MR7
Cooey 71
Enfield with receiver cut down like Winchester 70
Sears 53
Winchester 70 Long Action (same hole spacing), 670, 770, 70 Short Action (1984 )