LAST EDITED ON Aug-07-18 AT 12:14PM (MST)[p]Essentially that head when expanded needs to be close to 1" wide so it won't go through that 7/8th inch ring the regulation below mentions. It appears that the rage you intend to use open to make a 2" cut, so it would more than meet the minimum requirement.
Section 6. Archery equipment that is legal for the taking of big or trophy game
animals.
(a) For the taking of antelope, bighorn sheep, black bear, deer, mountain goat, mountainlion, or gray wolf where designated as a trophy game animal, a hunter shall use a longbow, recurve
bow or compound bow of not less than forty (40) pounds draw weight and an arrow equipped with afixed or expanding point broadhead that when fully expanded cannot pass through a seven-eighths(7/8) inch solid ring.
32-3
(b) For the taking of elk, grizzly bear or moose, a hunter shall use a longbow, recurvebow or compound bow of not less than fifty (50) pounds draw weight and an arrow equipped with afixed or expanding point broadhead that when fully expanded cannot pass through a seven-eighths(7/8) inch solid ring.