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Rifles, Reloading, Optics, Equipment
Reloading
Any data for 7mm rem mag using RL25?
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<blockquote data-quote="jmason" data-source="post: 276475" data-attributes="member: 10486"><p>Here is QL data for a 28" barrel. I believe this is similar to what Berger will send you.</p><p></p><p></p><p>Cartridge : 7 mm Rem. Mag.</p><p>Bullet : .284, 180, Berger VLD</p><p>Cartridge O.A.L. L6: 3.290 inch or 83.57 mm</p><p>Barrel Length : 28.0 inch or 711.2 mm</p><p>Powder : Alliant Reloder-25</p><p></p><p>Predicted data by increasing and decreasing the given charge,</p><p>incremented in steps of 2.0% of nominal charge.</p><p>CAUTION: Figures exceed maximum and minimum recommended loads !</p><p></p><p>Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time</p><p> % % Grains fps ft.lbs psi psi % ms</p><p></p><p>-20.0 80 52.00 2384 2272 29488 8973 98.4 1.872</p><p>-18.0 82 53.30 2441 2382 31457 9174 99.0 1.824</p><p>-16.0 84 54.60 2498 2494 33562 9354 99.5 1.777</p><p>-14.0 86 55.90 2554 2607 35808 9512 99.8 1.732</p><p>-12.0 88 57.20 2610 2722 38209 9647 100.0 1.683</p><p>-10.0 90 58.50 2665 2838 40777 9761 100.0 1.633</p><p>-08.0 92 59.80 2719 2954 43523 9868 100.0 1.584</p><p>-06.0 94 61.10 2772 3072 46462 9972 100.0 1.538</p><p>-04.0 96 62.40 2825 3190 49611 10074 100.0 1.493</p><p>-02.0 98 63.70 2878 3310 52986 10173 100.0 1.450</p><p>+00.0 100 65.00 2929 3430 56606 10269 100.0 1.409 ! Near Maximum !</p><p>+02.0 102 66.30 2981 3552 60482 10362 100.0 1.369 ! Near Maximum !</p><p>+04.0 104 67.60 3032 3674 64669 10452 100.0 1.330 !DANGEROUS LOAD-DO NOT USE!</p><p>+06.0 106 68.90 3083 3798 69125 10538 100.0 1.293 !DANGEROUS LOAD-DO NOT USE!</p><p>+08.0 108 70.20 3133 3924 73886 10622 100.0 1.258 !DANGEROUS LOAD-DO NOT USE!</p><p>+10.0 110 71.50 3183 4050 78986 10701 100.0 1.223 !DANGEROUS LOAD-DO NOT USE!</p><p></p><p>Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge</p><p>Data for burning rate increased by 10% relative to nominal value:</p><p>+Ba 100 65.00 3028 3665 69567 9903 100.0 1.305 !DANGEROUS LOAD-DO NOT USE!</p><p>Data for burning rate decreased by 10% relative to nominal value:</p><p>-Ba 100 65.00 2777 3082 45057 10772 99.8 1.548</p></blockquote><p></p>
[QUOTE="jmason, post: 276475, member: 10486"] Here is QL data for a 28" barrel. I believe this is similar to what Berger will send you. Cartridge : 7 mm Rem. Mag. Bullet : .284, 180, Berger VLD Cartridge O.A.L. L6: 3.290 inch or 83.57 mm Barrel Length : 28.0 inch or 711.2 mm Powder : Alliant Reloder-25 Predicted data by increasing and decreasing the given charge, incremented in steps of 2.0% of nominal charge. CAUTION: Figures exceed maximum and minimum recommended loads ! Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time % % Grains fps ft.lbs psi psi % ms -20.0 80 52.00 2384 2272 29488 8973 98.4 1.872 -18.0 82 53.30 2441 2382 31457 9174 99.0 1.824 -16.0 84 54.60 2498 2494 33562 9354 99.5 1.777 -14.0 86 55.90 2554 2607 35808 9512 99.8 1.732 -12.0 88 57.20 2610 2722 38209 9647 100.0 1.683 -10.0 90 58.50 2665 2838 40777 9761 100.0 1.633 -08.0 92 59.80 2719 2954 43523 9868 100.0 1.584 -06.0 94 61.10 2772 3072 46462 9972 100.0 1.538 -04.0 96 62.40 2825 3190 49611 10074 100.0 1.493 -02.0 98 63.70 2878 3310 52986 10173 100.0 1.450 +00.0 100 65.00 2929 3430 56606 10269 100.0 1.409 ! Near Maximum ! +02.0 102 66.30 2981 3552 60482 10362 100.0 1.369 ! Near Maximum ! +04.0 104 67.60 3032 3674 64669 10452 100.0 1.330 !DANGEROUS LOAD-DO NOT USE! +06.0 106 68.90 3083 3798 69125 10538 100.0 1.293 !DANGEROUS LOAD-DO NOT USE! +08.0 108 70.20 3133 3924 73886 10622 100.0 1.258 !DANGEROUS LOAD-DO NOT USE! +10.0 110 71.50 3183 4050 78986 10701 100.0 1.223 !DANGEROUS LOAD-DO NOT USE! Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge Data for burning rate increased by 10% relative to nominal value: +Ba 100 65.00 3028 3665 69567 9903 100.0 1.305 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 100 65.00 2777 3082 45057 10772 99.8 1.548 [/QUOTE]
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Any data for 7mm rem mag using RL25?
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