For those loading for the 375 or 416 and the GS Custom bullets, What powders have you used and been succesful with? Thanks "D"

I use RL-15 in both and about a grain less than max...in my guns. Same load that I use with standard bullets, actually you can use a bit more, but why?

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Ray Atkinson

ray@atkinsonhunting.com
atkinsonhunting.com

I used a surplus "IMR4895" with the GS Custom 380 gr FNs in my 416Rem mag. I got 2450 fps and .36 inch groups from 76 grains. Like Ray, I could go up to 82 grains and 2600 fps before I got ejector marks, but why do that?

Don

Anybody have any experience with the 450's in a .458 Win Mag yet? I've got a couple of boxes on the way, and can't seem to find much data for 450 grain bullets of any kind.