Im getting ready to do a barrel change on a FN mauser action. I dont want to spend hundreds on a barrel blank so I am considering some of the new takeoffs that I see on eBay. I dont have the experience to know if there is enough meat left on Rem 700 or Win 70 barrel to remachine it to fit a FN Mauser,1.1"-12. Unfortunately I dont have the chance to handle eBay barrels prior to purchase. I have also found a few blanks at reasonable prices without contour.