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Rifles, Reloading, Optics, Equipment
Reloading
Retumbo or H50BMG in 32" 300 RUM?
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<blockquote data-quote="Tumbleweed" data-source="post: 853917" data-attributes="member: 9281"><p>OK, so I finally got my 2lbs of RL33 today after nearly two weeks waiting on shipping. I loaded up 6 rounds for a pressure test moving up in 1 grain increments. Sun was out bright and at a weird angle to the chronograph, so I don't put too much stock in the accuracy of the readings yet. Here are the results:</p><p></p><p>98.0 3,065 no pressure</p><p>99.0 3,086 no pressure</p><p>100.0 3,152 tiny swipe mark from extractor hole</p><p>101.0 3,137 very minor swipe mark from extractor hole</p><p>102.0 3,244 swipe mark with visual circle in case head from extractor hole</p><p>103.0 3,267 swipe mark and very, very slightly raised circle from extractor hole</p><p></p><p>I decided that 103 would be a max (go no farther) load. The 103 load was on a separate target from the below target. Bolt lift was never sticky and primer pocket remained tight at 103. </p><p>I have three rounds loaded at 102 that I will chronograph and shoot at 275 yards in the morning before the sun jacks with the chronograph readings. So far I am impressed with the numbers as the best I could do with Retumbo at the same pressure levels was about 3,080fps.</p><p>[ATTACH]25596[/ATTACH]</p></blockquote><p></p>
[QUOTE="Tumbleweed, post: 853917, member: 9281"] OK, so I finally got my 2lbs of RL33 today after nearly two weeks waiting on shipping. I loaded up 6 rounds for a pressure test moving up in 1 grain increments. Sun was out bright and at a weird angle to the chronograph, so I don't put too much stock in the accuracy of the readings yet. Here are the results: 98.0 3,065 no pressure 99.0 3,086 no pressure 100.0 3,152 tiny swipe mark from extractor hole 101.0 3,137 very minor swipe mark from extractor hole 102.0 3,244 swipe mark with visual circle in case head from extractor hole 103.0 3,267 swipe mark and very, very slightly raised circle from extractor hole I decided that 103 would be a max (go no farther) load. The 103 load was on a separate target from the below target. Bolt lift was never sticky and primer pocket remained tight at 103. I have three rounds loaded at 102 that I will chronograph and shoot at 275 yards in the morning before the sun jacks with the chronograph readings. So far I am impressed with the numbers as the best I could do with Retumbo at the same pressure levels was about 3,080fps. [ATTACH]25596.vB[/ATTACH] [/QUOTE]
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Retumbo or H50BMG in 32" 300 RUM?
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