Rianov CSI Digital Cant and Slope (Cosine) Indicator with Picatinny Rail Mount
The RIANOV CSI (Cant/Slope Indicator) for long-range precision shooters.
Cant and Slope are two very important variables in making accurate shots. The RIANOV CSI will replace both your Cant and Slope bubble levels with a state of the art digital unit capable of measuring Cant and Slope to a 10th of a degree.
Digital read out eliminates the need for guessing or estimating on the actual value. The Slope feature can be displayed as either Degrees or Cosine Correction Factor.
- All Aluminum Housing
- Digital Slope Indicator - Slope can be displayed as Cosine Correction Factor or Degrees
- Digital Cant Indicator displayed in Degrees
- Auto-Off functionality
- Variable Timer (15-90 seconds)
- Variable brightness
- Picatinny rail mounted (right or left side)
- Light weight
- Long battery life (>20,000 operations)
- Weight: 2.2 oz. (62 grams)
- Display: LED o Top two digits - Current Cant angle o Bottom two digits - Current Slope angle or current Cosine Correction Factor
- User Interface: Single button keypad
- Operating Temperature Range: -40°F to 140°F (-40°C to 60°C)
- Altitude Range: -1,600ft to 29,600ft (-300m to 9,000m)
- Angular Ranges: ±80° Slope (Look Angle) / ±90° CANT
- Angular Resolution: 0.1° (between -10° and 10°)
- Battery Life: >20,000 Operations (Timer = 15 seconds)
The Rianov CSI precisely measures the Angle of Fire in uphill and downhill shooting. It gives you the information you need to accurately calculate holdover for gravitational bullet drop, assuring a first round hit. Without this measurement, the rifleman cannot correctly calculate gravitational adjustment. And at ranges greater than 400 yards, that means missed shots! Simply put, if you don’t calculate and compensate, you miss. The Rianov CSI also helps eliminate Cant errors. It indicates whether your rifle is positioned perpendicular to the earth. At ranges past 400 yards, the slightest tilt leads to left/right bullet drift and missed shots!
According to the Marine Corps Sniper Manual, compensating for CANT is critical to accurate long-distance shooting: At 1000 yards, 6 degrees of CANT (visualized as 1 minute on the face of a wristwatch) moves the bullet strike 55 inches from point of aim.
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