http://fishandgame.idaho.gov Big Game Rules 67 Weapon Restrictions Rifle and Shotgun In any hunt, including any-weapon seasons, it is unlawful to pursue or kill big game animals: � By any means other than approved firearms, muzzleloaders and archery methods. � With any electronic device attached to, or incorporated on, the firearm or scope; Except scopes containing battery powered or tritium lighted reticles are allowed. � With any firearm that, in combination with a scope, sling and/or any attachments, weighs more than 16 pounds. � With any fully automatic firearm. � With any shotgun using shot smaller than #00 buck. � With any rimfire rifle, rimfire handgun, or muzzleloading handgun, except for mountain lions.