Bruce Mc
Handloader
- Oct 26, 2005
- 1,163
- 369
Could someone work up a quick load for .243 winchester, 70gr Ballistic Tip, Reloder 16, 24" barrel.
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Cartridge : .243 Win.
Bullet : .243, 70, Nosler BalTip 39532
Useable Case Capaci: 51.230 grain H2O = 3.326 cm³
Cartridge O.A.L. L6: 2.710 inch = 68.83 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-16
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 93 42.66 3193 1585 41869 10096 97.2 1.194
-09.0 94 43.13 3229 1620 43353 10190 97.6 1.175
-08.0 95 43.61 3264 1656 44892 10278 98.0 1.157
-07.0 96 44.08 3299 1692 46488 10361 98.4 1.139
-06.0 97 44.56 3334 1728 48144 10439 98.7 1.122
-05.0 98 45.03 3369 1765 49853 10510 99.0 1.104
-04.0 99 45.50 3404 1801 51649 10576 99.2 1.087 ! Near Maximum !
-03.0 100 45.98 3439 1838 53500 10635 99.5 1.071 ! Near Maximum !
-02.0 101 46.45 3473 1875 55408 10688 99.6 1.055 ! Near Maximum !
-01.0 102 46.93 3507 1912 57377 10735 99.8 1.039 ! Near Maximum !
+00.0 103 47.40 3541 1949 59413 10775 99.9 1.023 ! Near Maximum !
+01.0 104 47.87 3575 1987 61522 10809 100.0 1.008 !DANGEROUS LOAD-DO NOT USE!
+02.0 105 48.35 3609 2024 63706 10836 100.0 0.993 !DANGEROUS LOAD-DO NOT USE!
+03.0 106 48.82 3642 2062 65968 10858 100.0 0.978 !DANGEROUS LOAD-DO NOT USE!
+04.0 107 49.30 3675 2099 68312 10878 100.0 0.964 !DANGEROUS LOAD-DO NOT USE!
+05.0 108 49.77 3708 2137 70741 10897 100.0 0.949 !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 103 47.40 3694 2121 72268 10334 100.0 0.944 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 47.40 3317 1711 47256 10759 95.8 1.129