Quote Originally Posted by LoneWolf View Post
As for barrel life most guys are swapping barrels at 1500rds in any of these variants for serious competition as they are seeing the lands wear done a few thousanths every 100rds through the barrel.
Most barrels have lands of approximately. 004 to .005 tall, I doubt it is the lands being wore down but the throat being eroded. This is why you can set back a barrel 1.5" and rechamber it.