Looking for load suggestions, 300 Weatherby

[DanielLudwig]

Starting to play with 208 Hornady A-max and have some 210 Berger Hunting VLD's, Rifle is a custom piece, no free bore throated for 210 SMK. Currently shooting 200gr SMK over 74gr RL22. Tried the A-max over the same charge, shot 3/4 MOA so might adjust charge and make something of that. Also have RL25, Retumbo, H1000, Hodgdon 4831 and 4350, IMR 4831 and 4350. H414, H380. Have ALOT of RL25, would like to use it if I can.
Thanks for any suggestions.
Daniel

 

[backwoods83]

I use 75grns Imr4350 with fed210m's, norma brass, 210bergers, .060", 3.812" oal, also 80.5grns H4831sc, 208 amax, CCI BR2, norma cases, 3.804".

 

[DanielLudwig]

Those both sound interesting, have any idea on velocities?
Thanks
Daniel

 

[backwoods83]

Not just an idea, a crony reading, first load with 210 runs 2974fps with typical 6-8fps ES, second with 208s runs 3112fps avg with an 11-13fps ES these are similar to my bench rifle loads, this is from a 28" 10 twist with .060" freebore, both work awesome to 1200yrds, uniform thhe meplats on the bergers.

 

[lsm62]

tag


im working up a load for r22 and 208 a-max out of a custom free bore as well. so far my max gr at 3.751 COAL(jammed) is 80gr. now its up to group testing.