.460 rowland® LOAD DATA WARNING: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity, pressure and velocity. Primer selection is specific and primer types are not interchangeable.
Dec 27, 2017 · Simple solution… reload! Well, there is not much extensive data for reloading either, but Sierra Bullets is trying to help change that. They recently published updated and expanded data for the .300 AAC Blackout caliber getting into more subsonic and heavier grain weight data; two areas that are typically lacking for information.