Re: Which 6mm?
hvyw8t is right, 6mm-284 is one of the fastest 6mms out there, but if you thought the .243 was hard on your barrel, you ain't seen nothing yet. If it was accurate after 800-1000 rounds you would be lucky. Like the race car guys say, how fast can you afford to go . E-mail Kirby, I am pretty sure he has a .243 AI reamer and he could give you some insight.
Just my 2c