The Leupold Mark 4 Picatinny-Style Scope Base is ideal for us on your long range rifle. Mark 4 bases feature a 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).
- Universal Cross-Slot Design fits Picatinny and Weaver-style rings - Locking screws with Nylok will not back out under recoil or vibration
- 6-48 and 8-40 Screws which are extra-strength for heavier optics
- Finish: Matte Black - Material: Steel - Style: Picatinny - Extended: No - Piece: 1 - Elevation: 20 MOA - Action Length: Long - Compatible With: Weatherby Vanguard Long Action