I think it's a waste of time and money. But there's a lot of marketing hype that convinces a lot of folks to have it done.
All it needs is the receiver face and bolt face squared up to the tenon thread axis then the lugs lapped to full contact. Doesn't matter if the bolt axis is a bit off the tenon thread axis.
There are custom actions out there that are as perfect in every way machinists can make them. None of them hold a barrel that shoots bullets any more accurate than a standard factory action modified as mentioned in the preceding paragraph that's a bit short of precicely perfect in every way.
US Navy Distinguished Marksman Badge 153
Former USA Palma Team Member
NRA High Power Long Range High Master
NRA Smallbore Prone Master
Last edited by Bart B.; April 26, 2013 at 05:18 PM.