30mm One Piece Angle Indicator NERO vector optics (ve-scacd-14)

MARCA VECTOR OPTICS

Diameter:30mm with 1" adapter
Overall Length:140mm (5.5 inch)
Ring Gap:55mm (2.1 inch)
Ring Width:26mm (1.0 inch)
Indicator Dia.:30mm (1.2 inch)
Weight:180g (6.3 ounce)
Finish:Black matte
Mount:21mm picatinny
This ADI is calibrated in degrees and cosines give you an instant read out which can enter directly into ballistic      software program on your pocket PC or use with a pre-printed angle drop chart to achieve high accurate shooting.
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.
Angle indicator and scope level support long range precision shooting
Designed for real fire arms
The bubble level can be put on either side
30mm one piece mount skeletonized extra light
See-through style
Level and indicator were both center aligned during the assembling  
High quality 6063 T6 aircraft grade aluminum alloy