Not for your average deer-hunter, the Vectronix line of rangefinders were designed and developed for use on the battlefield. These are units that measure their maximum distance not in yards, but in kilometres.
The 15 series of the PLRF rangefinders extend even further (out to 3km) with the option for a digital magnetic compass inside.
The top of the line individual rangefinder. The PLRF 25C can reach out confidently past 4km and uses a digital magnetic compass that allows you to not only range the distance between targets and...
For serious professionals. The Personal Laser Range Finder series from Vectronix will reach far beyond your rifle range. Two and a half kilometer range.