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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Leaving Black Soot on Brass
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<blockquote data-quote="MontanaRifleman" data-source="post: 922639" data-attributes="member: 11717"><p>What I did to break-in my 300 RUM in was to use the heaviest bullets and slowest powder I could, which was 230 Hybrids and RL33. There is no data for that combo and I was seeing most guys were maxing at about 100 gr or so so I downloaded it 10% to 90 gr. MV was right about 2700. That is a good break-in load for the 300 RUM.</p><p></p><p>If you want to be nice to your rifle, shoot the heaviest bullets you can with a reduced charge of slow powder. Lighter bullets will produce a lot more velocity than heavy bullets with the same pressure. Heavy, slow bullets is good to your rifle.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 922639, member: 11717"] What I did to break-in my 300 RUM in was to use the heaviest bullets and slowest powder I could, which was 230 Hybrids and RL33. There is no data for that combo and I was seeing most guys were maxing at about 100 gr or so so I downloaded it 10% to 90 gr. MV was right about 2700. That is a good break-in load for the 300 RUM. If you want to be nice to your rifle, shoot the heaviest bullets you can with a reduced charge of slow powder. Lighter bullets will produce a lot more velocity than heavy bullets with the same pressure. Heavy, slow bullets is good to your rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Leaving Black Soot on Brass
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