Quickload request ?
- Thread starter clambdin
- Start date
Cartridge : .300 Win. Mag.(@)
Bullet : .308, 180, Hornady BTSP 3072
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 24.0 inch or 609.6 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 84 63.00 2729 2977 44193 11184 98.9 1.344
-09.0 84 63.70 2757 3039 45591 11284 99.2 1.325
-08.0 85 64.40 2785 3101 47027 11380 99.4 1.306
-07.0 86 65.10 2813 3163 48500 11472 99.5 1.287
-06.0 87 65.80 2841 3226 50018 11558 99.7 1.269
-05.0 88 66.50 2869 3289 51581 11640 99.8 1.251
-04.0 89 67.20 2896 3353 53190 11716 99.9 1.233 ! Near Maximum !
-03.0 90 67.90 2924 3417 54848 11787 99.9 1.216 ! Near Maximum !
-02.0 91 68.60 2951 3481 56556 11854 100.0 1.199 ! Near Maximum !
-01.0 92 69.30 2978 3545 58315 11915 100.0 1.183 ! Near Maximum !
+00.0 93 70.00 3005 3610 60128 11973 100.0 1.166 ! Near Maximum !
+01.0 94 70.70 3032 3675 61996 12030 100.0 1.150 !DANGEROUS LOAD-DO NOT USE!
+02.0 95 71.40 3059 3740 63921 12086 100.0 1.134 !DANGEROUS LOAD-DO NOT USE!
+03.0 96 72.10 3086 3806 65905 12142 100.0 1.119 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 72.80 3112 3871 67951 12197 100.0 1.104 !DANGEROUS LOAD-DO NOT USE!
+05.0 97 73.50 3139 3937 70061 12251 100.0 1.089 !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 93 70.00 3111 3868 71263 11564 100.0 1.086 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 93 70.00 2848 3241 49060 12152 97.7 1.273
Bullet : .308, 180, Hornady BTSP 3072
Cartridge O.A.L. L6: 3.340 inch or 84.84 mm
Barrel Length : 24.0 inch or 609.6 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 84 63.00 2729 2977 44193 11184 98.9 1.344
-09.0 84 63.70 2757 3039 45591 11284 99.2 1.325
-08.0 85 64.40 2785 3101 47027 11380 99.4 1.306
-07.0 86 65.10 2813 3163 48500 11472 99.5 1.287
-06.0 87 65.80 2841 3226 50018 11558 99.7 1.269
-05.0 88 66.50 2869 3289 51581 11640 99.8 1.251
-04.0 89 67.20 2896 3353 53190 11716 99.9 1.233 ! Near Maximum !
-03.0 90 67.90 2924 3417 54848 11787 99.9 1.216 ! Near Maximum !
-02.0 91 68.60 2951 3481 56556 11854 100.0 1.199 ! Near Maximum !
-01.0 92 69.30 2978 3545 58315 11915 100.0 1.183 ! Near Maximum !
+00.0 93 70.00 3005 3610 60128 11973 100.0 1.166 ! Near Maximum !
+01.0 94 70.70 3032 3675 61996 12030 100.0 1.150 !DANGEROUS LOAD-DO NOT USE!
+02.0 95 71.40 3059 3740 63921 12086 100.0 1.134 !DANGEROUS LOAD-DO NOT USE!
+03.0 96 72.10 3086 3806 65905 12142 100.0 1.119 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 72.80 3112 3871 67951 12197 100.0 1.104 !DANGEROUS LOAD-DO NOT USE!
+05.0 97 73.50 3139 3937 70061 12251 100.0 1.089 !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 93 70.00 3111 3868 71263 11564 100.0 1.086 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 93 70.00 2848 3241 49060 12152 97.7 1.273
- Thread starter
- #4
- Nov 4, 2004
- 27,125
- 13,628
clambdin
If you don't get the results you are looking for with H4350, take a look at RL 22. Work up to 75.0 grs with a 180 gr bullet at a Federal GM215M primer. Accuracy is well under MOA in 3 different rifles and several others have had similar results.
JD338
If you don't get the results you are looking for with H4350, take a look at RL 22. Work up to 75.0 grs with a 180 gr bullet at a Federal GM215M primer. Accuracy is well under MOA in 3 different rifles and several others have had similar results.
JD338
- Thread starter
- #6
