Cartridge : .280 Rem. Bullet : .284, 145, Barnes 'LRX'BT 30282 Useable Case Capaci: 58.029 grain H2O = 3.768 cm³ Cartridge O.A.L. L6: 3.330 inch = 84.58 mm Barrel Length : 24.0 inch = 609.6 mm Powder : Alliant Reloder-23 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 90 47.10 2455 1940 31749 9068 95.5 1.465 -09.0 91 47.62 2482 1984 32692 9180 96.0 1.448 -08.0 92 48.14 2510 2028 33667 9289 96.5 1.431 -07.0 93 48.67 2538 2073 34675 9395 96.9 1.415 -06.0 94 49.19 2565 2119 35718 9496 97.3 1.399 -05.0 95 49.71 2593 2165 36794 9595 97.7 1.383 -04.0 96 50.24 2621 2211 37909 9689 98.0 1.367 -03.0 97 50.76 2648 2258 39063 9779 98.3 1.351 -02.0 98 51.28 2676 2305 40256 9865 98.6 1.335 -01.0 99 51.81 2703 2353 41489 9946 98.9 1.320 +00.0 100 52.33 2731 2401 42767 10024 99.1 1.304 +01.0 101 52.85 2759 2450 44088 10096 99.3 1.289 +02.0 102 53.38 2786 2499 45458 10164 99.5 1.274 +03.0 103 53.90 2814 2549 46876 10227 99.7 1.259 +04.0 104 54.42 2841 2599 48345 10285 99.8 1.244 +05.0 105 54.95 2868 2649 49868 10338 99.9 1.229 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 52.33 2875 2662 52510 9675 100.0 1.217 ! Near Maximum ! Data for burning rate decreased by 10% relative to nominal value: -Ba 100 52.33 2531 2062 34658 9692 92.6 1.412
Cartridge : .280 Rem. Bullet : .284, 145, Barnes 'LRX'BT 30282 Useable Case Capaci: 58.029 grain H2O = 3.768 cm³ Cartridge O.A.L. L6: 3.330 inch = 84.58 mm Barrel Length : 24.0 inch = 609.6 mm Powder : Alliant Reloder-26 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 82 47.10 2353 1783 27359 9215 89.6 1.545 -09.0 83 47.62 2381 1826 28150 9363 90.3 1.528 -08.0 84 48.14 2410 1869 28966 9509 91.0 1.511 -07.0 85 48.67 2438 1914 29810 9652 91.6 1.494 -06.0 86 49.19 2467 1959 30682 9792 92.3 1.477 -05.0 86 49.71 2496 2005 31585 9930 92.9 1.460 -04.0 87 50.24 2525 2052 32518 10065 93.5 1.444 -03.0 88 50.76 2554 2100 33484 10196 94.1 1.427 -02.0 89 51.28 2583 2148 34484 10323 94.7 1.411 -01.0 90 51.81 2612 2197 35519 10447 95.2 1.395 +00.0 91 52.33 2641 2246 36590 10567 95.7 1.379 +01.0 92 52.85 2671 2297 37699 10683 96.2 1.363 +02.0 93 53.38 2700 2348 38849 10795 96.7 1.347 +03.0 94 53.90 2730 2399 40040 10901 97.1 1.331 +04.0 95 54.42 2759 2452 41274 11004 97.5 1.315 +05.0 96 54.95 2789 2505 42553 11101 97.9 1.300 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 91 52.33 2829 2577 45198 10598 99.9 1.280 Data for burning rate decreased by 10% relative to nominal value: -Ba 91 52.33 2404 1860 29575 9638 85.0 1.497