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Rifles, Reloading, Optics, Equipment
Reloading
Over Pressure
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<blockquote data-quote="live2huntmt" data-source="post: 1878933" data-attributes="member: 75903"><p>I just started developing a load for a CA Ridgeline 300 RUM with 200gr AccuBonds jumping .020" and Retumbo in 1x fired Norma brass and Fed215 primers. I am way below book charge weights and way over pressure and high velocities. This is a new keg of Retumbo...do you think it's just a really hot lot #? Even 89.2 grains is flattening primers, cratering around firing pin, showing both ejector circles, and clicking at the top of my bolt lift. Is there anything that could be causing this other that really hot powder? </p><p></p><p>The blue line is an average between the two test rounds at each charge weight.[ATTACH=full]187933[/ATTACH]</p></blockquote><p></p>
[QUOTE="live2huntmt, post: 1878933, member: 75903"] I just started developing a load for a CA Ridgeline 300 RUM with 200gr AccuBonds jumping .020” and Retumbo in 1x fired Norma brass and Fed215 primers. I am way below book charge weights and way over pressure and high velocities. This is a new keg of Retumbo...do you think it’s just a really hot lot #? Even 89.2 grains is flattening primers, cratering around firing pin, showing both ejector circles, and clicking at the top of my bolt lift. Is there anything that could be causing this other that really hot powder? The blue line is an average between the two test rounds at each charge weight.[ATTACH type="full"]187933[/ATTACH] [/QUOTE]
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