I had a .50 scout but not the .54. Past information I have read is the .54 was difficult to find good accurate loads for. I think the twist is a little different from most .54 muzzleloaders. I did not care for the breechplug/nipple combination which is really not a true breechplug. Since the barrel stops prior to the breechplug it is not easy to run cleaning material like most inlines. It has to be handled more like a sidelock. The nipple is also impossible to find since the rifle is out of production and has been for some time. I considered drilling and tapping the one I had to accept standard nipples so that I could continue to shoot it after the nipple was shot out. They have become somewhat of a collector item but I traded mine and have not felt bad about it since. Sorry if this is not a very positive response but just trying to give you a little background.