Warne base maxima 2pc cva-v2 series round barrel matte FEATURES-Fits CVA-V2 Series Round Barrel Extended Rear Base-Low profile design allows use of iron sights when optics are removed-Full width & depth recoil slots provide maximum bearing surface for recoil key engagement-Bases securely mount to your firearm with Torx-style T-15 socket cap screws, 25 in/lb. of torque is recommended Other Features: Cva v2 series round barrel extended rear base