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Rifles, Reloading, Optics, Equipment
Reloading
RL-33 Load Data
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<blockquote data-quote="Lefty7mmstw" data-source="post: 711051" data-attributes="member: 48043"><p>With my 700bdl lh in 300 rum with the 225 hornady hpbt I ran 90, 93, and 95 grains of rl33. Unfortunately the wind was up and gusty I couldn't get the chrono up.</p><p> </p><p>90 rl33 produced a 1.080" 100 yard group with mild pressure</p><p>93 rl33 produced a 1.035" 100 yard group with slightly warmer pressure</p><p>95 rl33 produced a 0.675" 100 yard group with about max pressure</p><p> </p><p>It seems that there is some difference between how early the berger and hornady reach max pressure. I know my pipe was maxed out as it was starting to get back flow near the primer indent, which is about max for my j-key lefty rem.</p><p> </p><p>I also used the lefty 7mmstw with the 171 barnes and it topped at the start load of 82 grains accuracy wise ( 1.040" at 100 yd). I believe 84 and 86 grains were rather warm for the combo as the groups were progressively worse and the primers were flattening pretty good by 86 grains. I also had a bit of headstamp scraping on one of the 86 grain rounds.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 711051, member: 48043"] With my 700bdl lh in 300 rum with the 225 hornady hpbt I ran 90, 93, and 95 grains of rl33. Unfortunately the wind was up and gusty I couldn't get the chrono up. 90 rl33 produced a 1.080" 100 yard group with mild pressure 93 rl33 produced a 1.035" 100 yard group with slightly warmer pressure 95 rl33 produced a 0.675" 100 yard group with about max pressure It seems that there is some difference between how early the berger and hornady reach max pressure. I know my pipe was maxed out as it was starting to get back flow near the primer indent, which is about max for my j-key lefty rem. I also used the lefty 7mmstw with the 171 barnes and it topped at the start load of 82 grains accuracy wise ( 1.040" at 100 yd). I believe 84 and 86 grains were rather warm for the combo as the groups were progressively worse and the primers were flattening pretty good by 86 grains. I also had a bit of headstamp scraping on one of the 86 grain rounds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
RL-33 Load Data
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