i am using a 2002 vertical feed autococker. i have been looking for a new barrel but just can't seem to find the right one. i have been told that the smart parts all american barrel would work very well on my gun. is that so??? i also would like to know what the front piece is all about. is it a freak front or just a regular front??? could someone please give me a detailed describtion of the barrel?!?!?