Leupold 1-Piece Mark 4 Long Range Picatinny 20 MOA Scope Base (8-40 Adaptable) Browning A-Bolt Short Action Matte

The Leupold Mark 4 Picatinny-Style Scope Base is ideal for use on your long range rifle. Mark 4 bases feature a 15 or 20 MOA slope for long range shooting and are constructed of solid steel. This base will accept either 6-48 base screws or oversized 8-40 base screws (both sizes of screws are included). Notes: Mounting Hardware IncludedNumbers stamped on product will not match MidwayUSA or Leupold part numbers FeaturesUniversal Cross-Slot Design fits Picatinny and Weaver-style ringsIncludes 6-48 and 8-40 Screws which are extra-strength for heavier opticsLocking screws with Nylok will not back out under recoil or vibration