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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300rum, 200gr, 3200fps how???
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<blockquote data-quote="jmden" data-source="post: 558209" data-attributes="member: 1742"><p>This is what I'm talking about. Now this guy has a barrel 3" longer (Kirby--maybe you can give us a good estimate of extra fps per inch with the 300RUM and the 210 Berger between 26" and 29") than mine at 29", but my Retumbo load is 94.5g and chrono says about 3020fps MV, but using Litz's velocity banded G1 data and shooting on paper/steel out to 1k yds, Exbal gives me a trajectory validated MV of 2993 fps. I'd sure like to get well over 3100fps MV with a 210 Berger, but it's just not going to happen with my combination of components for whatever reason. I could probably up this load by .5 or so, but it's quite accurate as it is when I do my part.</p></blockquote><p></p>
[QUOTE="jmden, post: 558209, member: 1742"] This is what I'm talking about. Now this guy has a barrel 3" longer (Kirby--maybe you can give us a good estimate of extra fps per inch with the 300RUM and the 210 Berger between 26" and 29") than mine at 29", but my Retumbo load is 94.5g and chrono says about 3020fps MV, but using Litz's velocity banded G1 data and shooting on paper/steel out to 1k yds, Exbal gives me a trajectory validated MV of 2993 fps. I'd sure like to get well over 3100fps MV with a 210 Berger, but it's just not going to happen with my combination of components for whatever reason. I could probably up this load by .5 or so, but it's quite accurate as it is when I do my part. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300rum, 200gr, 3200fps how???
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