280 rem,
What is the load that Nosler publishes????
thanks
375RUM: 300gr Partition or CT Failsafe; 100grs of IMR7828 at 2859fps.
Compared to...
378Wby: Same bullets; 111grs of IMR7828 at 2893fps.
Doesn't seem to be a speck of difference in ballistics practically speaking.