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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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<blockquote data-quote="MontanaRifleman" data-source="post: 785221" data-attributes="member: 11717"><p>Those primers do not look flattened. They still have well rounded edges and the cratering is inconsistent. It looks like a firing pin issue to me. You might want to consider a new assembly or at least a new spring and have it checked by a smith.</p><p></p><p><a href="http://www.midwayusa.com/product/440881/ptg-remington-700-traditional-non-iss-firing-pin-assembly-long-action-gloss-black" target="_blank">PTG Remington 700 Traditional Non-ISS Firing Pin Assembly Long Action</a></p><p></p><p>My new RUM build is getting a whole new PTG bolt and trigger assembly.</p><p></p><p>I did say 92 gr from memory but went back and checked my notes. The actual charge was 93 gr with an approx average velocity of 3130.</p><p></p><p>What were the light conditions when you were chronying these loads? Any clouds or shadows? Late afternoon - early evening? I have seen velocities flatten out when pressures get high and I have also seen them spike.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 785221, member: 11717"] Those primers do not look flattened. They still have well rounded edges and the cratering is inconsistent. It looks like a firing pin issue to me. You might want to consider a new assembly or at least a new spring and have it checked by a smith. [url=http://www.midwayusa.com/product/440881/ptg-remington-700-traditional-non-iss-firing-pin-assembly-long-action-gloss-black]PTG Remington 700 Traditional Non-ISS Firing Pin Assembly Long Action[/url] My new RUM build is getting a whole new PTG bolt and trigger assembly. I did say 92 gr from memory but went back and checked my notes. The actual charge was 93 gr with an approx average velocity of 3130. What were the light conditions when you were chronying these loads? Any clouds or shadows? Late afternoon - early evening? I have seen velocities flatten out when pressures get high and I have also seen them spike. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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