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Rifles, Reloading, Optics, Equipment
Reloading
Not the first time... 7mm Rem Mag - issues with ELD-X 175gr.
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<blockquote data-quote="coyotezapper" data-source="post: 1694304" data-attributes="member: 20438"><p>After you chrono are you adjusting your QL variables to match your actual velocities? You stating you are close to QL predictions tells me no. Go back into QL and change those variables to make QL match your results 100% and then your graph will tell you where your best charge will be or close to it.</p><p></p><p>There will be several powder nodes that can be seen and correct QL inputs can help you identify these but certain inputs have to be correct. Case capacity, burn rate and temperature have to be inputted correctly for QL to work.</p><p></p><p>Even your seating depth testing has no methodology to it. The Berger website has a good article on seating depth adjustment.</p><p></p><p>Why are you testing groups at 300 yards. Again too many variables that can affect your results. If it shoots at 100 yards it will shoot at 1000 if the powder node is good.</p></blockquote><p></p>
[QUOTE="coyotezapper, post: 1694304, member: 20438"] After you chrono are you adjusting your QL variables to match your actual velocities? You stating you are close to QL predictions tells me no. Go back into QL and change those variables to make QL match your results 100% and then your graph will tell you where your best charge will be or close to it. There will be several powder nodes that can be seen and correct QL inputs can help you identify these but certain inputs have to be correct. Case capacity, burn rate and temperature have to be inputted correctly for QL to work. Even your seating depth testing has no methodology to it. The Berger website has a good article on seating depth adjustment. Why are you testing groups at 300 yards. Again too many variables that can affect your results. If it shoots at 100 yards it will shoot at 1000 if the powder node is good. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Not the first time... 7mm Rem Mag - issues with ELD-X 175gr.
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