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Rifles, Reloading, Optics, Equipment
Reloading
Signs of Pressure vs COAL Question
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<blockquote data-quote="Shooter Fred" data-source="post: 542147" data-attributes="member: 31648"><p>Ok...heres what I found</p><p> </p><p>The 99 grains of Retumbo with the new COAL did not produce the tight group it did without the lengthened COAL. The pressure signs were definitely less however there still was more than the 98.4 grain load.</p><p> </p><p>The 98.4 grains of Retumbo produced the best group with the lengthened COAL .729" center to center at 100 yards. This had virtually no pressure signs.</p><p> </p><p>The 97.4 grains of Retumbo produced virtually identical groups as yesterday.</p><p> </p><p>My question is, it seems that the 98.4 grains of Retumbo seems to show about the max pressure I am comfortable with and also the tightest group. Should I leave the group alone and use this combo or should I know mess with the COAL again? I need to be able to fit the catridge in my magazine box for hunting so I am limited with the length I am at now. I will only be able to shorten the load.</p><p> </p><p>What are your thoughts?</p><p> </p><p>Thanks,</p><p>Fred</p></blockquote><p></p>
[QUOTE="Shooter Fred, post: 542147, member: 31648"] Ok...heres what I found The 99 grains of Retumbo with the new COAL did not produce the tight group it did without the lengthened COAL. The pressure signs were definitely less however there still was more than the 98.4 grain load. The 98.4 grains of Retumbo produced the best group with the lengthened COAL .729" center to center at 100 yards. This had virtually no pressure signs. The 97.4 grains of Retumbo produced virtually identical groups as yesterday. My question is, it seems that the 98.4 grains of Retumbo seems to show about the max pressure I am comfortable with and also the tightest group. Should I leave the group alone and use this combo or should I know mess with the COAL again? I need to be able to fit the catridge in my magazine box for hunting so I am limited with the length I am at now. I will only be able to shorten the load. What are your thoughts? Thanks, Fred [/QUOTE]
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Reloading
Signs of Pressure vs COAL Question
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