I doubt seriously it's a straight neck down of previous Nosler rounds but maybe a new case design.
Supposed to be announced at Shot Show.
I have seen the brass being sold online in 250 round boxes so must be something they think will be shot in volume.
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963