A friend asked me to pull apart some Nosler 300 WSM ammo, and a few Barnes pieces of ammo, so that it could be hand loaded with a known powder, and known powder charge.
On the left is the powder Barnes used. What's that?
On the right is the powder Nosler used.
More importantly, I weighed the powder coming out of the Nosler ammo.
So a powder charge spread of .8 gr.