Never tried it, but from what I've read the only issue is that if the older barrel has the one piece bolt in the lug, and you have a newer frame you MIGHT have to change it to the two piece bolt to get proper lock up. TC's not saying it will be necessary in all cases, just that you might run into this problem. Don't know if it's because of lug height or something really to do with the two pice vice one piece bolt. I've got the latest exploded view and price list from TC and the old style for comparison if you want me to e-mail it to you. There are a couple number mistakes on the one from TC, they misnumbered a couple parts on the exploded view but it's pretty easy to figure out. Send me a PM with your e-mail address if you want it.
Helicopter Bill