Originally Posted by Mule Deer
Well, I just got my latest Hodgdon Annual Manual and was browsing through it. In the .257 Roberts data the fastest load with the 115-grain Nosler Patition is listed at 3049 fps, and the powder is Hybrid H100V, the maximum charge 46.0 grains. This is from a 24" barrel, so still should be somewhere around 3000 in a 22" barrel.

Musta been a short action Roberts. The long action can get at least 3500fps. wink

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