Instruction for a barska battalion internal rangefinder. Where can I download the operating instruction for the rangefinder? There was not any instruction with my new barska battalion 7 x 50 binoculars.

It takes two LR43 batterys
http://www.barska.com/rangefinder_compass.pdf

You may download a copy of the manual here.

HOW CAN I GET THE FRONT HOOD OFF OF MY BARSKA RIFE SCOPE.

Good day sir, try the link below.
manual1
manual2

The IR Rangefinding Reticle is based on the military reticle that ranges tanks, believe it or not, front to back--whatever line the tank fits between will give the range to it...but the reticle has been adapted for use in some riflescopes. Trying to define the math behind rangefinding and downrange zeroing with multi-stadia reticles is complicated and takes some study to fully grasp the concepts, which is why I have a constantly available on-line article, entitled, "Tactical Ballistic and Ranging Reticle Analysis," right here--
http://specialtypistols.infopop.cc/Reticle_Ranging___App.pdf

this can be obtained by calling bushnell customer service at 1-800-423-3537.

Its easier to explain seeing a diagram. Go to Tascos website and download the instruction manual for the Offshore binoculars or Steiner Optic website and download the general binoculars instruction manual. It has all of Steiners models incuding those with a reticle. Most reticles are the same and there is no difference between meters and yards as your calculations are an approximate

I was able to print out the instruction manual. Thank you.

Go to Leupold Customer Service web page and click on
RX Series Instruction Manual. 8 pages long.

http://www2.leupold.com/resources/downloads/RX_English_07.pdf