300 rum h1000

[Stavi300RUM]

Currently I am using Retumbo for my powder, but I have 16#'s of H1000. I'd like to use this when I run out of Retumbo, which will be soon...can't find it anywhere! Where should I start? I want to find a load quickly with the least amount of powder and bullets.
Load data is;
91gr
230 Berger hybrid
OAL 3.875
To ogive is 3.102
3100 fps
No pressure signs with this load, but for the speed and accuracy, a guy couldn't ask for more!
Rifle is running a 30" tube incase anyone is wondering how I'm getting those speeds.

 

[geo4061]

Start at 84 grains and work your way up. I am shooting mild at 85 grains and very warm at -- grains at 3005. Both of these put the first two in the same hole. Let it really cool down and you can do it again. Rem brass, CCI 250, H1000, and the 230 Berger loaded to touch the lands.

 

[brentc]

Yup. Start at around 85 and work up. Your load will probably end up around 87.5.

 

[Jktm]

FYI Cabelas has Retumbo in stock

 

[Stavi300RUM]

I was hoping to get at least 90 gr, but that'll work. Expected velocity?
Good to know Cabelas has some in stock!

 

[brentc]

I'd expect around 3000 fps in your barrel.