OAR 635-065-0710. Handguns — Requirements

Hunters shall use: (1) Any centerfire handgun .22 caliber or larger that is not fully automatic to hunt pronghorn antelope, black bear, cougar, or deer. (2) Any centerfire handgun .24 caliber or larger that is not fully automatic to hunt bighorn sheep, Rocky Mountain goat, or elk. (3) Any handgun that is not fully automatic to hunt western gray squirrels. (4) Hunters shall not use military or full metal-jacket bullets in original or altered form.