About this item

• Model #171500 - Mark 4 Riflescope Base Weatherby Vanguard/Mark V LA 20 MOA (8-40 Adaptable) with a Matte finish
• 1-piece bases feature a 20-MOA slope for long-range shooting applications
• Accommodates both the oversized 8-40 screw and a 6-48 screw, providing compatibility with the widest range of modern tactical firearms
• 8-40 and a 6-48 screws are included with each Mark 4 base