Bubble Levels & Co-Sine\ Angles

The Nightforce Angle Degree Indicator takes the guesswork out of uphill and downhill shots. Calibrated in degrees, it gives you an instant readout which you can enter directly into the Nightforce ballistic software program on your pocket PC or use with a pre-printed angle drop chart. It is available in two versions:a two-piece, low-profile Mil. Std. 1913 rails/bases for one-piece bases that allows easy installation without removing the scope (shown below)as part of our top ring bubble level...

Nightforce Top Half of Ring w/ Level A128 Replaces the top ring of our Unimount, Direct Mount and standard rings without a Mil. Std. 1913 base. Available with integral ADI mount or as top ring/bubble level only. ...

This slim, low-profile design allows the Bubblevel to be mounted on most scopes without removing the scope from the rifle. It is easily visible without losing the sight picture. Mounts quickly and easily to the riflescope tube. Made in the USA.