[Yunus]

Originally Posted by JonM

Well a union barrel would cost 30,000$ each work for .04 seconds each 1000 rounds and protest governer scott walker of wisconsin the rest of the time

Of all the things I don't want protesting me, a rifle barrel has got to be close to the top.

[ChicagoJoe]

Dave Petzel wrote a good article about barrel life in an old issue of Field and Stream. The central point was it depended on how hot a load you were putting through the barrel and whether you allowed the barrel to cool between shots. I'll go dig out the issue and give you the year and month.