on the below links there are a Krieger and a Criterion 20 inch 308 barrel. the Krieger is almost twice as much, is there that much accuracy difference between the 2 to justify that price tag?
http://www.fulton-armory.com/barrelfatitan20nmm110ss1x12875gasblockthreaded.aspx
http://www.fulton-armory.com/barrelfatitan20nmm110ss1x12875gasblockthreaded-2.aspx