Originally Posted by czech1022
Yaddio -

Nosler's Load Data (https://load-data.nosler.com/load-data/257-roberts/) puts a 100gr bullet at 3007fps when using 43.5gr of H4350.

It looks like you're right on track if all you wanted was 3000fps.


I think that's IMR 4350 powder listed on the Nosler website?

Liars should have good memories.
H. Babcock