Originally Posted by pdog
I am getting ready to try to develope a long rang load for my brothers 300 RUM Sendero. Does anyone have a pet load with good accuracy and ballistics for shooting out to 1k? I am thinking that we want at least 190gr or larger bullet. I shoot smk's in my Edge and they have done great. Has anyone had good experience with SMK's appropriate for the 300 RUM?
Thanks for th help..
Several of us are shooting the 240SMK under 101-104.5g US869--absolutely max in temps 45 or below. This is not a temp stable powder, but really seems to extract every bit of energy out of the big bullets. My load in 26" 10twist is 104.2g for 2993MV. ES is usually in high teens. I have yet to find a load that will better this for energy delivered downrange with the .711 bc of the 240. I've killed elk at 450yds and 80 yds dead first shot with this load. The 80yd shot took out the R front shoulder and blew apart 3 ribs before making a mess of chest cavity--it didn't go very far. the 450 shot went right through the engine room, but the light was so low, I couldn't tell for sure, so I put another in it. Both exited, the first blowing a 2" hole in the offside ribs.
My next choice would be the 210 Berger. I think most folks are using Retumbo with it. Berger markets these as hunting bullets as well as high BC match bullets. Seems to have a pretty good track record overall for hunting.
Hope this helps.
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