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Rifles, Reloading, Optics, Equipment
Reloading
Norma MRP temp sensitivity test
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<blockquote data-quote="Ridgerunner665" data-source="post: 1105019" data-attributes="member: 12660"><p>And it was a major disappointment...</p><p></p><p>280 Ackley (24" barrel), 160 Nosler Accubond, 60 grains of MRP, lit with a CCI BR2...</p><p></p><p></p><p>66 degrees...3,003 fps...rounds fired a few months ago</p><p>85 degrees...3,058 fps...fired today, same everything (powder, primers, brass, etc.)...ejector marks and stiff extraction.</p><p></p><p>2.9 fps per degree....completely unacceptable!!!</p></blockquote><p></p>
[QUOTE="Ridgerunner665, post: 1105019, member: 12660"] And it was a major disappointment... 280 Ackley (24" barrel), 160 Nosler Accubond, 60 grains of MRP, lit with a CCI BR2... 66 degrees...3,003 fps...rounds fired a few months ago 85 degrees...3,058 fps...fired today, same everything (powder, primers, brass, etc.)...ejector marks and stiff extraction. 2.9 fps per degree....completely unacceptable!!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Norma MRP temp sensitivity test
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