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Rifles, Reloading, Optics, Equipment
Reloading
'Clumping' Retumbo--Kirby/anyone?
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<blockquote data-quote="jmden" data-source="post: 847282" data-attributes="member: 1742"><p>The strange thing is that 100g load from this jug of 8lbs purchased last Sept. were fine in April. Normal MV and no pressure signs. But the pressure signs went way up when these same loads were fired a few days ago. </p><p></p><p>From running some 99g loads over the chrono yesterday and having them chrono the same as when I worked up with this new jug of powder last Sept., it appears that the velocities per load are the same, but pressures have increased. That's only chrono-ing one load, 99g, but the appearence is there. </p><p></p><p>Pulled the bullets on the rest of the sixteen 99g loads and reloaded at 97g and -.020 vs. my typical -.015 using the Forstner micrometer seating die and Davidson seating depth checker...</p><p></p><p>Strange. Not happy about losing the velocity, but must find a load here very soon. High buck starts 9/15...</p></blockquote><p></p>
[QUOTE="jmden, post: 847282, member: 1742"] The strange thing is that 100g load from this jug of 8lbs purchased last Sept. were fine in April. Normal MV and no pressure signs. But the pressure signs went way up when these same loads were fired a few days ago. From running some 99g loads over the chrono yesterday and having them chrono the same as when I worked up with this new jug of powder last Sept., it appears that the velocities per load are the same, but pressures have increased. That's only chrono-ing one load, 99g, but the appearence is there. Pulled the bullets on the rest of the sixteen 99g loads and reloaded at 97g and -.020 vs. my typical -.015 using the Forstner micrometer seating die and Davidson seating depth checker... Strange. Not happy about losing the velocity, but must find a load here very soon. High buck starts 9/15... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
'Clumping' Retumbo--Kirby/anyone?
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