Re: Hart, Kreiger or Bartlein? Hart makes a great barrel. My IBA Chandler M-40A5 came with a Hart barrel, excellent and only 20 inches. I have three OBermeyer barrels in .30 cal. One of them I had put on my first GAP built .308. The rifle is a laser. AMU Plus, 5R 1-11 twist, taper is .007. It...