not to big

[biglonnie204]

hi i need help getting started loading my 300 rem ultra mag
i like the BC of the 200gr so i would like to start there
any thoughts on powder typs &grs? thank you

 

[alf]

Retumbo has worked the best with three different Ultras I've played with.
Work up you loads as usual. In a case this size, I go in two grain increments.

Al

 

[Rustystud]

H-4831, H-1000, IMR-7828, Reloader 25 may also ne good starting points. Federal 215 primers and Swift, and Barnes Bullets.

Rustystud