....I just picked up a Tarsus Tracker in 44 mag......... I would very much like to replace the barrel with a true 4 incher.
Is this what you're looking for ? I knew i'd just seen one of these around here, so i fished it up !! The guy's around Lawrenceville.
https://www.theoutdoorstrader.com/threads/fs-ft-taurus-tracker-44-mag.1815010/