Originally Posted by 458 Lott
Looks like the best Barnes could get with 2350 with H-335

https://loaddata.com/Cartridge/458-Lott-Barnes-Reloading-Manual-4/4688

If you're looking to flatten it out, I'd drop to a 350 gr and push it 2500 fps.


I got 2550 with 400s and 2360 with 450 TSXs. I could have put another grain or two of powder in the case. Got my best velocities with TAC and 8208. My scope lasted two shots however.

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