A.I. question

[KillBilly]

Do you just fire non Ackley rounds in the A.I. chamber to form the brass? I assume this is what fireforming is but sitting here bored with ideas swimming around in my head so thought I'd ask.

What does it run (ballpark) to ream a chamber to A.I. ?

Midwayusa sells a solid pilot finish reamer for $95.00 & change

[fremont]

Most riflesmiths have a collection of reamers for the popular Ackley chamberings.  I wouldn't buy or rent one myself.  I've mailed the barrelled action to a riflesmith cheaper.