Originally Posted by baldhunter
So from what I've learned so far working with the 338-06,with the same case,going from 30cal up to 338cal it looks like you may be able to push the same weight bullet around 150-200fps faster out of the 338cal.So I would think in the case of the 338 Federal,I would think the 160 TTSX Should be able to get around 2900fps or maybe even a bit more.A 180gr Accubond should be able to around 2800fps or maybe a bit over.The difference between the 338 Federal and the 338-06 still looks to remain about the same difference between the 308 Win and the 30-06,giving the velocity edge to the larger 06 case.Powders that work well in the 308 Win look to be the powder choice in the 338 cases.

Yep.

Fed version should like faster powders than the ‘06 version.

As with the .308/30-06 comparison, there is less difference with lighter weight bullets. The ‘06 pulls away with heavier bullets.

DF