The Warne Maxima Steel Bases are manufactured to be compatible to the Weaver design, one of the most versatile and solid mounting systems available these days. The low profile of the Warne Maxima Steel Bases give your Sako A7 or Browning A-Bolt a sleek look, while being rock solid. When used in conjunction with Warne Maxima QD Rings, you'll be able to utilize open sights by looking over the top of the bases without sacrificing the normal shooting position behind the firearm. Fits the Browning A-Bolt and Sako A7 Elevation: 0 MOA Package contains 2 bases Matte black Maxima Bases also offer a full width recoil slot in each base. This feature allows Mfg: Warne Mfg. Company