tyson22250
Beginner
- Nov 8, 2010
- 83
- 0
Looking for quick load data for a tikka 22/250 with a 22.4" barrel. 55gr sierra game kings hpbt #1390 and varget, imr 4166 and h4350 thanks .
Quick load data 22/250 22.4" bbl
- Thread starter tyson22250
- Start date
DrMike
Ballistician
- Nov 8, 2006
- 37,321
- 5,997
Code:
Cartridge : .22-250 Rem. (SAAMI)
Bullet : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length : 22.4 inch = 569.0 mm
Powder : Hodgdon H4350
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
-10.0 100 36.90 3276 1310 44963 10116 88.5 1.037
-09.0 101 37.31 3314 1342 46562 10255 89.2 1.021
-08.0 103 37.72 3353 1373 48221 10393 89.8 1.004
-07.0 104 38.13 3392 1405 49944 10527 90.5 0.988
-06.0 105 38.54 3431 1438 51734 10658 91.1 0.973
-05.0 106 38.95 3471 1471 53592 10786 91.7 0.958
-04.0 107 39.36 3510 1504 55525 10911 92.3 0.942 ! Near Maximum !
-03.0 108 39.77 3549 1538 57524 11033 92.9 0.928 ! Near Maximum !
-02.0 109 40.18 3588 1573 59622 11150 93.4 0.913 ! Near Maximum !
-01.0 110 40.59 3628 1607 61795 11265 94.0 0.899 ! Near Maximum !
+00.0 111 41.00 3667 1643 64045 11375 94.5 0.885 ! Near Maximum !
+01.0 113 41.41 3707 1678 66378 11481 95.0 0.871 !DANGEROUS LOAD-DO NOT USE!
+02.0 114 41.82 3747 1714 68803 11583 95.4 0.857 !DANGEROUS LOAD-DO NOT USE!
+03.0 115 42.23 3786 1751 71327 11680 95.9 0.844 !DANGEROUS LOAD-DO NOT USE!
+04.0 116 42.64 3826 1788 73955 11772 96.3 0.831 !DANGEROUS LOAD-DO NOT USE!
+05.0 117 43.05 3866 1825 76692 11860 96.7 0.818 !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 111 41.00 3860 1820 76071 11567 98.8 0.820 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 111 41.00 3426 1433 52536 10691 86.7 0.967
Code:
Cartridge : .22-250 Rem. (SAAMI)
Bullet : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length : 22.4 inch = 569.0 mm
Powder : IMR 4166 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 93 33.57 3275 1310 46556 9813 90.3 1.024
-09.0 94 33.94 3311 1339 48064 9939 90.9 1.009
-08.0 95 34.32 3347 1368 49621 10062 91.4 0.994
-07.0 96 34.69 3383 1398 51228 10183 92.0 0.980
-06.0 97 35.06 3419 1427 52887 10301 92.5 0.965
-05.0 98 35.44 3455 1457 54600 10417 93.0 0.951
-04.0 99 35.81 3490 1488 56369 10531 93.5 0.937 ! Near Maximum !
-03.0 100 36.18 3526 1519 58196 10641 93.9 0.924 ! Near Maximum !
-02.0 102 36.55 3562 1550 60083 10749 94.4 0.911 ! Near Maximum !
-01.0 103 36.93 3598 1581 62033 10854 94.8 0.898 ! Near Maximum !
+00.0 104 37.30 3634 1613 64048 10956 95.3 0.885 ! Near Maximum !
+01.0 105 37.67 3670 1645 66131 11054 95.7 0.872 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 38.05 3706 1677 68285 11150 96.1 0.860 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 38.42 3741 1709 70513 11242 96.5 0.848 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 38.79 3777 1742 72818 11330 96.8 0.836 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 39.17 3813 1775 75203 11415 97.2 0.824 !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 104 37.30 3801 1765 74235 11100 99.0 0.826 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 37.30 3423 1431 54045 10410 88.6 0.959
Code:
Cartridge : .22-250 Rem. (SAAMI)
Bullet : .224, 55, Sierra HPBT 1390
Useable Case Capaci: 40.783 grain H2O = 2.648 cm³
Cartridge O.A.L. L6: 2.350 inch = 59.69 mm
Barrel Length : 22.4 inch = 569.0 mm
Powder : Hodgdon VARGET
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 92 33.57 3327 1352 46483 10145 94.8 1.019
-09.0 93 33.94 3362 1380 47987 10260 95.2 1.004
-08.0 94 34.32 3397 1410 49540 10371 95.7 0.990
-07.0 95 34.69 3433 1439 51142 10480 96.1 0.975
-06.0 96 35.06 3468 1469 52796 10585 96.5 0.961
-05.0 97 35.44 3503 1499 54503 10687 96.9 0.948
-04.0 98 35.81 3538 1529 56266 10785 97.3 0.934 ! Near Maximum !
-03.0 99 36.18 3573 1559 58086 10879 97.6 0.921 ! Near Maximum !
-02.0 101 36.55 3608 1590 59966 10970 97.9 0.908 ! Near Maximum !
-01.0 102 36.93 3643 1621 61907 11057 98.2 0.895 ! Near Maximum !
+00.0 103 37.30 3678 1652 63913 11139 98.5 0.882 ! Near Maximum !
+01.0 104 37.67 3713 1683 65985 11218 98.7 0.870 !DANGEROUS LOAD-DO NOT USE!
+02.0 105 38.05 3747 1715 68127 11292 99.0 0.858 !DANGEROUS LOAD-DO NOT USE!
+03.0 106 38.42 3782 1747 70341 11362 99.2 0.846 !DANGEROUS LOAD-DO NOT USE!
+04.0 107 38.79 3817 1779 72631 11427 99.4 0.834 !DANGEROUS LOAD-DO NOT USE!
+05.0 108 39.17 3851 1811 74999 11488 99.5 0.823 !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 37.30 3830 1792 74642 10962 100.0 0.824 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 37.30 3474 1474 53354 10822 93.3 0.958- Thread starter
- #3
tyson22250
Beginner
- Nov 8, 2010
- 83
- 0
Thanks once again Drmike!
