Kodiak Bullets by Alaska Bullet works perform very close to the Bitterroot. Tapered and bonded gilded metal jackets but seems to have a higher copper content than most. Very similar to the Woodleigh in performance too.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli