tbrice23
I'm guessing that the 28 will be popular since you get a more efficient version of the 7mm RUM but in a 30-06 length case. In my rifle the ammo fits the mag even with the 180 Bergers seated so they are jammed. What is not to like about that?
Also, Nosler being a family run business does not have to do everything for the bottom line. I don't see them letting this round go down in flames even if it isn't popular. After all, they are planning a 36 Nosler. I'm guessing they don't expect it to sell like hotcakes but they are doing it anyway.
So... if you are ever going to go for a new chambering and not worry about brass availability I'm thinking this would be the one to pick. Last but not least, if worse comes to worse you can always resize RUM brass just like you can use other WSM brass in the 7mm WSM if you need to.