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Hornady case
Federal 210 Primer
Hornady case
Federal 210 Primer
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Cartridge : .270 Win. (SAAMI)
Bullet : .277, 145, Hornady ELX-X 27356
Useable Case Capaci: 59.135 grain H2O = 3.840 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4955 Enduron
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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
-10.0 96 50.67 2606 2187 46364 11052 92.7 1.241
-09.0 97 51.23 2635 2236 47874 11195 93.2 1.222
-08.0 98 51.80 2665 2286 49435 11336 93.7 1.203
-07.0 99 52.36 2694 2337 51048 11474 94.1 1.185
-06.0 100 52.92 2723 2388 52715 11609 94.6 1.168
-05.0 101 53.49 2753 2440 54439 11742 95.0 1.150
-04.0 102 54.05 2782 2493 56222 11871 95.5 1.133 ! Near Maximum !
-03.0 103 54.61 2812 2546 58066 11996 95.9 1.117 ! Near Maximum !
-02.0 104 55.17 2841 2599 59974 12119 96.3 1.100 ! Near Maximum !
-01.0 105 55.74 2871 2654 61949 12238 96.6 1.084 ! Near Maximum !
+00.0 106 56.30 2900 2708 63993 12353 97.0 1.068 ! Near Maximum !
+01.0 107 56.86 2930 2764 66110 12464 97.3 1.052 !DANGEROUS LOAD-DO NOT USE!
+02.0 108 57.43 2959 2820 68302 12571 97.6 1.037 !DANGEROUS LOAD-DO NOT USE!
+03.0 109 57.99 2989 2877 70574 12674 97.9 1.022 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 58.55 3019 2934 72928 12773 98.2 1.007 !DANGEROUS LOAD-DO NOT USE!
+05.0 111 59.12 3048 2992 75369 12868 98.5 0.992 !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 106 56.30 3032 2960 74964 12350 99.8 0.996 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 56.30 2730 2400 53223 11829 90.7 1.160