The Hawkens-style are my favorite MLs. You can buy all kinds of aftermarket barrels for yours at trackofthewolf.com. They are fine Green Mountain barrels that slip right in. Need help finding the correct size for your T/C Hawkens... just ask here.

http://www.trackofthewolf.com/categories/tableList.aspx?catID=14&subID=142&styleID= 491