I have continued researching this topic on the A7s. The A7 SA has a unique 7-13/64" bolt spacing. The closest other bottom metals would be for a Browning A-Bolt, which is only 1/64" too short (7-3/16" bolt spacing), or a Savage 10 or Howa 1500, which are 3/64" too long (7-1/4" bolt spacing)...