Coreymacc
Smoking Fanatic
It sounds like your stuffing and soaking is ok. If these are being made a fresh then i believe your cook temp may be an issue. For 2 reasons, 1, 180 deg is too low for a fresh ( no cure) not safe. Second, I have found for a nice crispy casing you need to cook them at high temp. I make a lot of brats and they all get grilled at high temp or pan fried ,again at high. Just keep them flipping so they don't burn but the casing will stay tight and crisp. If you cook them low the casing will turn rubbery or very tough.
my 2 cents
Corey
my 2 cents
Corey