Home Forums Reloading Big Game Rifles .338 160 grain ttsx

Cartridge : .338 Win Mag.
Bullet : .338, 160, Barnes 'X' S 33878
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Hodgdon VARGET

Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% 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

-30.0 68 49.00 2411 2065 29249 6104 88.9 1.415
-27.0 71 51.10 2498 2217 31549 6413 90.4 1.371
-24.0 74 53.20 2584 2373 34023 6715 91.9 1.328
-21.0 77 55.30 2671 2534 36679 7008 93.3 1.287
-18.0 80 57.40 2757 2700 39531 7292 94.5 1.248
-15.0 83 59.50 2842 2870 42596 7562 95.7 1.210
-12.0 86 61.60 2928 3045 45934 7819 96.7 1.175
-09.0 88 63.70 3012 3224 49580 8059 97.6 1.140
-06.0 91 65.80 3097 3407 53562 8281 98.4 1.106 ! Near Maximum !
-03.0 94 67.90 3181 3594 57910 8483 99.0 1.073 ! Near Maximum !
+00.0 97 70.00 3264 3784 62660 8663 99.5 1.041 !DANGEROUS LOAD-DO NOT USE!
+03.0 100 72.10 3346 3978 67855 8820 99.8 1.010 !DANGEROUS LOAD-DO NOT USE!
+06.0 103 74.20 3428 4174 73541 8952 100.0 0.980 !DANGEROUS LOAD-DO NOT USE!
+09.0 106 76.30 3509 4374 79774 9058 100.0 0.952 !DANGEROUS LOAD-DO NOT USE!
+12.0 109 78.40 3589 4575 86620 9154 100.0 0.923 !DANGEROUS LOAD-DO NOT USE!
+15.0 112 80.50 3668 4779 94155 9244 100.0 0.896 !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 97 70.00 3378 4053 71603 8415 100.0 0.991 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 70.00 3107 3430 53959 8580 95.6 1.101 ! Near Maximum !





















Cartridge : .338 Win Mag.
Bullet : .338, 160, Barnes 'X' S 33878
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 26.0 inch or 660.4 mm
Powder : Ramshot Hunter

Predicted data by increasing and decreasing the given charge,
incremented in steps of 3.0% 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

-30.0 69 53.20 2305 1888 24668 5962 80.0 1.471
-27.0 72 55.48 2388 2027 26490 6311 81.8 1.429
-24.0 75 57.76 2473 2173 28486 6662 83.7 1.388
-21.0 78 60.04 2558 2326 30675 7011 85.5 1.347
-18.0 81 62.32 2645 2486 33077 7356 87.3 1.308
-15.0 84 64.60 2733 2654 35714 7695 89.0 1.270
-12.0 87 66.88 2822 2829 38613 8026 90.6 1.232
-09.0 90 69.16 2911 3011 41803 8345 92.1 1.195
-06.0 93 71.44 3002 3201 45318 8649 93.6 1.159
-03.0 96 73.72 3093 3398 49194 8936 94.9 1.124
+00.0 99 76.00 3184 3602 53489 9203 96.1 1.090 ! Near Maximum !
+03.0 102 78.28 3276 3813 58244 9447 97.1 1.056 ! Near Maximum !
+06.0 105 80.56 3368 4030 63528 9665 98.0 1.023 !DANGEROUS LOAD-DO NOT USE!
+09.0 108 82.84 3460 4254 69415 9854 98.8 0.991 !DANGEROUS LOAD-DO NOT USE!
+12.0 111 85.12 3553 4484 75994 10011 99.3 0.959 !DANGEROUS LOAD-DO NOT USE!
+15.0 114 87.40 3645 4720 83373 10134 99.7 0.931 !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 99 76.00 3348 3981 63440 9237 99.6 1.030 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 76.00 2979 3152 44767 8713 88.7 1.180