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The High-Tech Rifleman

The High-Tech Rifleman
These few items can prove indispensable in the field and on the range as you learn about your rifle.

The current interest in long-range shooting isn’t just because of the fine rifles, ammunition, and optics available. Accurate, reliable measuring and calculating devices are equally important.

The Leica Rangemaster CRF1600 laser rangefinder is compact and lightweight. Just 4-1/2″ long by 3″ high, and weighing under 8 ounces it can be tucked away in a shirt pocket.

The 7X optics are very good, as would be expected from Leica. The rangefinder uses a roof-prism design with phase correction coating on the prisms. External lens surfaces have a water-resistant hard coating.

The eyepiece has a folding eyecup for use with or without glasses, and can be adjusted to suit individual eyesight. Pressing the main button illuminates a bright, sharp, red square used for aiming, a second press gives the reading.

I set the Leica to read in yards (it can also read in meters). In testing I only counted a reading as valid if five consecutive readings were in close agreement. I was pleased to get readings of 1,660 yards (+/- a couple of yards) off a steep, grass-covered hill. This was around 2 p.m. on a day of heavy overcast. Very impressive.

Press the main button to illuminate the square, then press the secondary button and the display shows three numbers in succession: target declination in degrees up or down, temperature and barometric pressure.

Temperature readings in Fahrenheit appeared to be accurate, within .2 or .5 degrees F of my Kestrel 4000 pocket weather tracker.
When US units are chosen, barometric pressure reads in psi. Generally in the US, barometric pressure is reported in inches of mercury (in Hg) for weather reports, while scientists prefer to use millibars. I set my Kestrel to read in psi and with elevation set at zero, pressure readings of the Leica and the Kestrel were very close.
By Dave Anderson

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