Are laser range rifle scopes legal in Idaho for big game hunting?

Answer:

Fish and Game rules prohibit the use a firearm "with any electronic device attached to, or incorporated on, the firearm or scope; except scopes containing battery powered or tritium lighted reticles are allowed."  Therefore, laser rangefinding rifle scopes attached to a rifle would be illegal to use for big game hunting.  A hand-held laser rangefinder is legal to use during big game hunting.