Barrel make has nothing to do with it. The od of whatever part you're trying to hold is what matters. Measure the od, get some oak wood and drill a hole smaller than the od. Cut in half and smash it tight in the vise and you're set.
Boil a pot of water and stick the brake and barrel end into it for a couple minutes. (Once the brake is off, dry the barrel and add a light coat of oil.)
Boil a pot of water and stick the brake and barrel end into it for a couple minutes. (Once the brake is off, dry the barrel and add a light coat of oil.)