7mm rum

Cartridge : 7 mm Rem Ultra Mag
Bullet : .284, 160, NOS AccuBond 54932
Cartridge O.A.L. L6: 3.600 inch or 91.44 mm
Barrel Length : 26.0 inch or 660.4 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 75 70.40 2688 2568 35181 12651 99.8 1.669
-18.0 77 72.16 2750 2687 37632 12872 100.0 1.624
-16.0 79 73.92 2811 2806 40214 13059 100.0 1.573
-14.0 81 75.68 2870 2927 42932 13237 100.0 1.525
-12.0 83 77.44 2929 3048 45808 13412 100.0 1.479
-10.0 85 79.20 2987 3170 48852 13583 100.0 1.435
-08.0 87 80.96 3045 3293 52073 13751 100.0 1.393
-06.0 89 82.72 3101 3417 55482 13916 100.0 1.353 ! Near Maximum !
-04.0 91 84.48 3157 3541 59090 14077 100.0 1.314 ! Near Maximum !
-02.0 92 86.24 3213 3666 62910 14234 100.0 1.277 ! Near Maximum !
+00.0 94 88.00 3267 3793 66954 14388 100.0 1.241 !DANGEROUS LOAD-DO NOT USE!
+02.0 96 89.76 3322 3920 71238 14538 100.0 1.207 !DANGEROUS LOAD-DO NOT USE!
+04.0 98 91.52 3376 4049 75777 14685 100.0 1.174 !DANGEROUS LOAD-DO NOT USE!
+06.0 100 93.28 3430 4179 80590 14827 100.0 1.142 !DANGEROUS LOAD-DO NOT USE!
+08.0 102 95.04 3483 4310 85696 14965 100.0 1.111 !DANGEROUS LOAD-DO NOT USE!
+10.0 104 96.80 3536 4442 91116 15099 100.0 1.082 !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 94 88.00 3364 4020 79687 14016 100.0 1.153 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 88.00 3123 3465 53917 14925 100.0 1.362



Cartridge : 7 mm Rem Ultra Mag
Bullet : .284, 160, NOS AccuBond 54932
Cartridge O.A.L. L6: 3.600 inch or 91.44 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Hodgdon Retumbo

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 76 72.00 2644 2484 32979 12665 99.7 1.712
-18.0 78 73.80 2707 2604 35307 12889 99.9 1.670
-16.0 80 75.60 2769 2725 37801 13075 100.0 1.624
-14.0 82 77.40 2831 2847 40475 13248 100.0 1.573
-12.0 84 79.20 2891 2969 43321 13417 100.0 1.523
-10.0 86 81.00 2950 3093 46322 13583 100.0 1.476
-08.0 88 82.80 3009 3217 49505 13746 100.0 1.431
-06.0 90 84.60 3067 3342 52882 13905 100.0 1.388
-04.0 92 86.40 3124 3468 56466 14060 100.0 1.347 ! Near Maximum !
-02.0 94 88.20 3181 3595 60272 14212 100.0 1.307 ! Near Maximum !
+00.0 95 90.00 3237 3723 64314 14360 100.0 1.269 !DANGEROUS LOAD-DO NOT USE!
+02.0 97 91.80 3293 3852 68607 14504 100.0 1.233 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 93.60 3348 3983 73171 14643 100.0 1.198 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 95.40 3403 4115 78024 14779 100.0 1.164 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 97.20 3458 4248 83189 14910 100.0 1.131 !DANGEROUS LOAD-DO NOT USE!
+10.0 105 99.00 3512 4383 88690 15036 100.0 1.100 !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 95 90.00 3340 3964 77618 13964 100.0 1.173 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 90.00 3082 3374 50799 14934 100.0 1.401
 
Back
Top