040-32 Wyo. Code R. §§ 32-4 - Firearms, muzzle-loaders and cartridges that are legal for the taking of big or trophy game animals

(a) For the taking of bighorn sheep, elk, moose, mountain goat or black bear by the use of a firearm, a hunter shall use:

(i) Any center-fire firearm of at least .24 caliber and firing a cartridge of at least two (2) inches in overall length and using an expanding point bullet, or any other cartridge of at least .35 caliber and at least one and one-half inches (1.5) in overall length and using an expanding point bullet; or,

(ii) Any muzzle-loading rifle or any muzzle-loading handgun of at least .40 caliber and firing an expanding point bullet or lead ball and using a charge of at least fifty (50) grains of black powder or its equivalent; or,

(iii) Any shotgun firing "00" or larger buckshot, or a slug.

(b) For the taking of antelope, deer, mountain lion, or gray wolf where designated as a trophy game animal, a hunter shall use:

(i) Any center-fire firearm of at least .22 caliber (excluding .22 Hornet) and having a bullet weight of at least sixty (60) grains and firing a cartridge of at least two (2) inches in overall length and using an expanding point bullet, or any other cartridge of at least .35 caliber and at least one and one-half (1.5) inches in overall length and using an expanding point bullet; or,

(ii) Any muzzle-loading rifle or any muzzle-loading handgun of at least .40 caliber and firing an expanding point bullet or lead ball and using a charge of at least fifty (50) grains of black powder or its equivalent; or,

(iii) Any shotgun firing "00" or larger buckshot, or a slug.

(c) For the taking of a grizzly bear by the use of a firearm, a hunter shall use:

(i) Any center-fire firearm of at least .27 caliber and having a bullet weight of at least one hundred fifty (150) grains and firing a cartridge of at least two (2) inches in overall length and using an expanding point bullet; or,

(ii) Any muzzle-loading rifle or any muzzle-loading handgun of at least .50 caliber and firing an expanding point bullet or lead ball and using a charge of at least one hundred (100) grains of black powder or its equivalent; or,

(iii) Any shotgun firing "00" or larger buckshot, or a slug.

Notes

040-32 Wyo. Code R. §§ 32-4

Amended, Eff. 4/1/2016. Amended, Eff. 6/21/2018. Amended, Eff. 8/29/2019. Amended, Eff. 3/24/2020.