​​​​​​​Vector Optics 30mm One Piece Angle Indicating ACD Mount

• Designed for any Calibre & Long Range Shooting
• 30mm Diameter w/ 1" Adapter
•  Air Bubble Level
• Angle Indicator on Side

This ADI is calibrated in degrees and  gives you an instant read out which can enter directly into ballistic s program/app. The red needle moves with your rifle and displays a number that indicates the percent your rifle is off level. Multiply the indicated percent by the target distance to easily calculate the adjusted distance for gravity.The bubble level which can be flipped to the side also allows you to have an additional indicator to achieve much higher accuracy.