I did read some stuff later about this coating that suggested that it will cut your barrel life by about 1/3 - which in the case of the .30-378, would make it about 500 rounds
The problem with such a short barrel life is that by the time that you develop a load and shoot the gun at various ranges to verify it's trajectory and get used to it,you don't have much barrel life left to practise.I personally am not about to take a 500 yard shot at game with a gun that I haven't practised with a fair amount.
The thing that I find odd about the velocity claims is that the lazzeroni advertising for the warbird claims less velocity with the 130gr robar coated tsx and a 27" barrel than this 30-378 with the 150gr bullet.I am wondering just what pressure must be developed in this 30-378 to deliver such velocity.