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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Early Pressure Signs?
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<blockquote data-quote="elkaholic" data-source="post: 318124" data-attributes="member: 13833"><p>Mt. rifleman....I've had two custom 300 ultras, one with a three grove 11 twist and one with a 6 grove 10 twist and both would shoot the recommended max no problem. With what you have said, I think the first thing I would try is a different lot of retumbo. By the way, if you REALLY want to get some velocity, get some T870 from thunderbird cartridge co. in Az. It's the same as the old H870 and if you have more than a 27" barrel I can just about guarantee at least a 100' increase over Retumbo. Good Luck......Ricjh</p></blockquote><p></p>
[QUOTE="elkaholic, post: 318124, member: 13833"] Mt. rifleman....I've had two custom 300 ultras, one with a three grove 11 twist and one with a 6 grove 10 twist and both would shoot the recommended max no problem. With what you have said, I think the first thing I would try is a different lot of retumbo. By the way, if you REALLY want to get some velocity, get some T870 from thunderbird cartridge co. in Az. It's the same as the old H870 and if you have more than a 27" barrel I can just about guarantee at least a 100' increase over Retumbo. Good Luck......Ricjh [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Early Pressure Signs?
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