That's a factory barrel with a custom chamber.
Its had to call that "factory".
Not "calling you out" by any means, just pointing out that a 6.4-284 chamber reamer is most likely a "match" reamer and you probably have a custom, match grade chamber for that rifle.
Chamber's matter.
No offense but that is total BS reasoning.
First of all its was just a run of the mill average reamer that punched it out and second "the barrel" was just as accurate and shot just as well/good when it was a 260 Rem. The groups were the same no difference except in speed.
There is nothing custom about this rifle except for the stock.
Your out on thin ice man.
