If H4831 won't get you where you want, try some RL22. I would think you'll find all the speed you want. Or, maybe some Norma MRP..
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 63000 psi, or 434 MPa
or a maximum loading ratio or filling of 110 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !
143 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Norma MRP 105.7 60.4 3.91 3145 99.6 63000 12610 1.108 ! Near Maximum !
Vihtavuori N560 107.4 60.1 3.89 3131 97.4 63000 12812 1.105 ! Near Maximum !
Ramshot Magnum 109.4 64.1 4.16 3122 98.1 63000 12575 1.098 ! Near Maximum !
PB Clermont PCL 517 109.8 64.2 4.16 3121 98.1 63000 12563 1.098 ! Near Maximum !
SNPE Vectan SP 12 109.7 64.1 4.15 3121 98.2 63000 12545 1.098 ! Near Maximum !
Accurate MAGPRO 107.6 62.6 4.06 3119 96.0 63000 12834 1.111 ! Near Maximum !
IMR 7828 SSC 105.7 59.5 3.85 3112 97.7 63000 12381 1.098 ! Near Maximum !
Alliant Reloder-22 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
Bofors RP5/NP ~approximation 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
Raufoss RA15 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
ADI AR 2213 106.6 59.0 3.82 3095 97.6 63000 12254 1.098 ! Near Maximum !
Winchester WXR 110.0 59.6 3.86 3093 98.6 61929 12340 1.120 ! Near Maximum !
Rottweil R905 108.7 59.1 3.83 3069 97.2 63000 11989 1.113 ! Near Maximum !
ADI AP 2214 110.0 62.5 4.05 3066 97.6 62147 12034 1.104 ! Near Maximum !
ADI AR 2209 103.5 56.4 3.65 3063 98.6 63000 11692 1.104 ! Near Maximum !
Alliant Reloder-19 104.1 57.0 3.69 3062 98.7 63000 11768 1.111 ! Near Maximum !
Ramshot Hunter 99.6 56.3 3.65 3060 99.9 63000 11447 1.117 ! Near Maximum !
Hodgdon H414 94.1 54.5 3.53 3057 99.6 63000 11474 1.119 ! Near Maximum !
Winchester 760 94.1 54.5 3.53 3057 99.6 63000 11474 1.119 ! Near Maximum !
IMR 7828 110.0 58.5 3.79 3056 97.1 59425 12222 1.128 ! Near Maximum !
Bofors RP14 ~approximation 104.9 57.4 3.72 3055 98.7 63000 11680 1.112 ! Near Maximum !
Somchem S365 101.5 55.3 3.58 3054 100.0 63000 10638 1.125 ! Near Maximum !
Alliant Reloder-17 91.8 52.7 3.42 3052 100.0 63000 10797 1.106 ! Near Maximum !
Bofors RP5 NT ~approximation 110.0 61.4 3.98 3046 95.4 62552 11982 1.107 ! Near Maximum !
Norma URP 99.1 53.7 3.48 3039 100.0 63000 10964 1.124 ! Near Maximum !
Bofors RP19 ~approximation 99.2 53.7 3.48 3039 100.0 63000 10961 1.124 ! Near Maximum !
Vihtavuori N550 96.3 53.9 3.49 3039 100.0 63000 11101 1.128 ! Near Maximum !
Norma 204 98.7 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Bofors RP4 ~approximation 101.9 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Raufoss RA4 101.9 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Accurate 4350 102.8 53.9 3.49 3035 100.0 63000 10931 1.140 ! Near Maximum !
Hodgdon H4831 SC 105.2 58.2 3.77 3031 96.9 63000 11532 1.109 ! Near Maximum !
Hodgdon H4831 109.4 58.2 3.77 3031 96.9 63000 11532 1.109 ! Near Maximum !
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : IMR 7828 SSC
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 94 53.10 2739 2332 42797 11033 92.1 1.314
-09.0 95 53.69 2773 2390 44326 11181 92.8 1.292
-08.0 97 54.28 2807 2450 45917 11326 93.4 1.271
-07.0 98 54.87 2842 2510 47570 11466 94.0 1.250
-06.0 99 55.46 2876 2572 49286 11601 94.6 1.229
-05.0 100 56.05 2911 2634 51079 11732 95.1 1.209
-04.0 101 56.64 2945 2697 52942 11858 95.6 1.189
-03.0 102 57.23 2980 2760 54881 11978 96.1 1.169
-02.0 103 57.82 3015 2825 56899 12093 96.6 1.150 ! Near Maximum !
-01.0 104 58.41 3049 2891 59008 12202 97.0 1.131 ! Near Maximum !
+00.0 105 59.00 3084 2957 61205 12304 97.4 1.113 ! Near Maximum !
+01.0 106 59.59 3119 3024 63497 12401 97.8 1.094 ! Near Maximum !
+02.0 107 60.18 3154 3092 65888 12492 98.1 1.076 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 60.77 3189 3161 68386 12575 98.5 1.058 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 61.36 3224 3230 70995 12652 98.8 1.041 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 61.95 3258 3301 73723 12722 99.0 1.024 !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 105 59.00 3252 3287 74579 12096 100.0 1.024 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 59.00 2860 2543 49609 11733 89.8 1.225
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-22
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 97 53.55 2772 2388 43819 11227 94.7 1.311
-09.0 98 54.15 2805 2446 45393 11363 95.3 1.290
-08.0 99 54.74 2839 2505 47029 11494 95.8 1.269
-07.0 100 55.34 2872 2564 48728 11621 96.2 1.248
-06.0 101 55.93 2905 2624 50496 11742 96.7 1.228
-05.0 102 56.53 2939 2685 52335 11859 97.1 1.208
-04.0 103 57.12 2972 2746 54249 11971 97.5 1.188
-03.0 104 57.72 3006 2808 56239 12077 97.9 1.169 ! Near Maximum !
-02.0 105 58.31 3039 2871 58315 12177 98.2 1.150 ! Near Maximum !
-01.0 106 58.91 3072 2935 60475 12272 98.5 1.131 ! Near Maximum !
+00.0 108 59.50 3106 2999 62725 12361 98.8 1.113 ! Near Maximum !
+01.0 109 60.10 3139 3063 65071 12444 99.0 1.095 !DANGEROUS LOAD-DO NOT USE!
+02.0 110 60.69 3173 3129 67505 12520 99.3 1.077 !DANGEROUS LOAD-DO NOT USE!
+03.0 111 61.29 3206 3195 70032 12590 99.5 1.060 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 61.88 3239 3261 72663 12653 99.6 1.043 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 62.48 3272 3329 75405 12709 99.8 1.026 !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 108 59.50 3258 3299 76739 11989 100.0 1.025 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 108 59.50 2895 2605 49971 12013 92.7 1.228
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Norma MRP
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 95 54.00 2783 2409 42770 11525 96.0 1.323
-09.0 96 54.60 2818 2468 44326 11657 96.5 1.301
-08.0 97 55.20 2852 2528 45945 11783 97.0 1.279
-07.0 98 55.80 2886 2589 47631 11903 97.4 1.258
-06.0 99 56.40 2920 2651 49385 12018 97.8 1.237
-05.0 100 57.00 2954 2713 51211 12126 98.2 1.217
-04.0 101 57.60 2988 2776 53115 12228 98.5 1.196
-03.0 102 58.20 3022 2839 55098 12324 98.8 1.177
-02.0 103 58.80 3056 2904 57163 12412 99.1 1.157 ! Near Maximum !
-01.0 104 59.40 3090 2969 59319 12494 99.3 1.138 ! Near Maximum !
+00.0 105 60.00 3124 3034 61568 12568 99.5 1.119 ! Near Maximum !
+01.0 106 60.60 3158 3100 63915 12635 99.7 1.101 ! Near Maximum !
+02.0 107 61.20 3192 3167 66365 12694 99.8 1.082 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 61.80 3225 3234 68925 12745 99.9 1.065 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 62.40 3259 3302 71600 12789 100.0 1.047 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 63.00 3292 3370 74398 12824 100.0 1.030 !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 105 60.00 3276 3336 76425 12063 100.0 1.027 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 60.00 2905 2623 48695 12359 94.1 1.239
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-19
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 94 51.30 2753 2356 45138 10683 95.0 1.294
-09.0 95 51.87 2784 2409 46658 10809 95.5 1.274
-08.0 96 52.44 2815 2463 48230 10931 95.9 1.254
-07.0 97 53.01 2846 2517 49857 11050 96.3 1.235
-06.0 98 53.58 2876 2572 51541 11165 96.7 1.217
-05.0 99 54.15 2907 2628 53281 11275 97.1 1.198
-04.0 100 54.72 2938 2684 55094 11382 97.5 1.180
-03.0 101 55.29 2969 2740 56967 11485 97.8 1.163 ! Near Maximum !
-02.0 102 55.86 3000 2797 58907 11583 98.1 1.145 ! Near Maximum !
-01.0 103 56.43 3031 2855 60910 11677 98.4 1.128 ! Near Maximum !
+00.0 104 57.00 3061 2913 62978 11766 98.7 1.112 ! Near Maximum !
+01.0 105 57.57 3092 2972 65117 11851 98.9 1.095 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 58.14 3123 3031 67332 11930 99.1 1.079 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 58.71 3153 3091 69629 12005 99.3 1.063 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 59.28 3184 3151 72010 12074 99.5 1.047 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 59.85 3214 3211 74479 12139 99.6 1.032 !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 57.00 3197 3178 75175 11481 100.0 1.032 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 57.00 2875 2570 51306 11450 93.1 1.215
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 63000 psi, or 434 MPa
or a maximum loading ratio or filling of 110 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !
143 loads produced a Loading Ratio below user-defined minimum of 90%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Norma MRP 105.7 60.4 3.91 3145 99.6 63000 12610 1.108 ! Near Maximum !
Vihtavuori N560 107.4 60.1 3.89 3131 97.4 63000 12812 1.105 ! Near Maximum !
Ramshot Magnum 109.4 64.1 4.16 3122 98.1 63000 12575 1.098 ! Near Maximum !
PB Clermont PCL 517 109.8 64.2 4.16 3121 98.1 63000 12563 1.098 ! Near Maximum !
SNPE Vectan SP 12 109.7 64.1 4.15 3121 98.2 63000 12545 1.098 ! Near Maximum !
Accurate MAGPRO 107.6 62.6 4.06 3119 96.0 63000 12834 1.111 ! Near Maximum !
IMR 7828 SSC 105.7 59.5 3.85 3112 97.7 63000 12381 1.098 ! Near Maximum !
Alliant Reloder-22 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
Bofors RP5/NP ~approximation 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
Raufoss RA15 107.6 59.6 3.86 3110 98.8 63000 12371 1.111 ! Near Maximum !
ADI AR 2213 106.6 59.0 3.82 3095 97.6 63000 12254 1.098 ! Near Maximum !
Winchester WXR 110.0 59.6 3.86 3093 98.6 61929 12340 1.120 ! Near Maximum !
Rottweil R905 108.7 59.1 3.83 3069 97.2 63000 11989 1.113 ! Near Maximum !
ADI AP 2214 110.0 62.5 4.05 3066 97.6 62147 12034 1.104 ! Near Maximum !
ADI AR 2209 103.5 56.4 3.65 3063 98.6 63000 11692 1.104 ! Near Maximum !
Alliant Reloder-19 104.1 57.0 3.69 3062 98.7 63000 11768 1.111 ! Near Maximum !
Ramshot Hunter 99.6 56.3 3.65 3060 99.9 63000 11447 1.117 ! Near Maximum !
Hodgdon H414 94.1 54.5 3.53 3057 99.6 63000 11474 1.119 ! Near Maximum !
Winchester 760 94.1 54.5 3.53 3057 99.6 63000 11474 1.119 ! Near Maximum !
IMR 7828 110.0 58.5 3.79 3056 97.1 59425 12222 1.128 ! Near Maximum !
Bofors RP14 ~approximation 104.9 57.4 3.72 3055 98.7 63000 11680 1.112 ! Near Maximum !
Somchem S365 101.5 55.3 3.58 3054 100.0 63000 10638 1.125 ! Near Maximum !
Alliant Reloder-17 91.8 52.7 3.42 3052 100.0 63000 10797 1.106 ! Near Maximum !
Bofors RP5 NT ~approximation 110.0 61.4 3.98 3046 95.4 62552 11982 1.107 ! Near Maximum !
Norma URP 99.1 53.7 3.48 3039 100.0 63000 10964 1.124 ! Near Maximum !
Bofors RP19 ~approximation 99.2 53.7 3.48 3039 100.0 63000 10961 1.124 ! Near Maximum !
Vihtavuori N550 96.3 53.9 3.49 3039 100.0 63000 11101 1.128 ! Near Maximum !
Norma 204 98.7 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Bofors RP4 ~approximation 101.9 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Raufoss RA4 101.9 55.8 3.62 3036 98.5 63000 11450 1.113 ! Near Maximum !
Accurate 4350 102.8 53.9 3.49 3035 100.0 63000 10931 1.140 ! Near Maximum !
Hodgdon H4831 SC 105.2 58.2 3.77 3031 96.9 63000 11532 1.109 ! Near Maximum !
Hodgdon H4831 109.4 58.2 3.77 3031 96.9 63000 11532 1.109 ! Near Maximum !
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : IMR 7828 SSC
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 94 53.10 2739 2332 42797 11033 92.1 1.314
-09.0 95 53.69 2773 2390 44326 11181 92.8 1.292
-08.0 97 54.28 2807 2450 45917 11326 93.4 1.271
-07.0 98 54.87 2842 2510 47570 11466 94.0 1.250
-06.0 99 55.46 2876 2572 49286 11601 94.6 1.229
-05.0 100 56.05 2911 2634 51079 11732 95.1 1.209
-04.0 101 56.64 2945 2697 52942 11858 95.6 1.189
-03.0 102 57.23 2980 2760 54881 11978 96.1 1.169
-02.0 103 57.82 3015 2825 56899 12093 96.6 1.150 ! Near Maximum !
-01.0 104 58.41 3049 2891 59008 12202 97.0 1.131 ! Near Maximum !
+00.0 105 59.00 3084 2957 61205 12304 97.4 1.113 ! Near Maximum !
+01.0 106 59.59 3119 3024 63497 12401 97.8 1.094 ! Near Maximum !
+02.0 107 60.18 3154 3092 65888 12492 98.1 1.076 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 60.77 3189 3161 68386 12575 98.5 1.058 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 61.36 3224 3230 70995 12652 98.8 1.041 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 61.95 3258 3301 73723 12722 99.0 1.024 !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 105 59.00 3252 3287 74579 12096 100.0 1.024 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 59.00 2860 2543 49609 11733 89.8 1.225
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-22
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 97 53.55 2772 2388 43819 11227 94.7 1.311
-09.0 98 54.15 2805 2446 45393 11363 95.3 1.290
-08.0 99 54.74 2839 2505 47029 11494 95.8 1.269
-07.0 100 55.34 2872 2564 48728 11621 96.2 1.248
-06.0 101 55.93 2905 2624 50496 11742 96.7 1.228
-05.0 102 56.53 2939 2685 52335 11859 97.1 1.208
-04.0 103 57.12 2972 2746 54249 11971 97.5 1.188
-03.0 104 57.72 3006 2808 56239 12077 97.9 1.169 ! Near Maximum !
-02.0 105 58.31 3039 2871 58315 12177 98.2 1.150 ! Near Maximum !
-01.0 106 58.91 3072 2935 60475 12272 98.5 1.131 ! Near Maximum !
+00.0 108 59.50 3106 2999 62725 12361 98.8 1.113 ! Near Maximum !
+01.0 109 60.10 3139 3063 65071 12444 99.0 1.095 !DANGEROUS LOAD-DO NOT USE!
+02.0 110 60.69 3173 3129 67505 12520 99.3 1.077 !DANGEROUS LOAD-DO NOT USE!
+03.0 111 61.29 3206 3195 70032 12590 99.5 1.060 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 61.88 3239 3261 72663 12653 99.6 1.043 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 62.48 3272 3329 75405 12709 99.8 1.026 !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 108 59.50 3258 3299 76739 11989 100.0 1.025 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 108 59.50 2895 2605 49971 12013 92.7 1.228
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Norma MRP
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 95 54.00 2783 2409 42770 11525 96.0 1.323
-09.0 96 54.60 2818 2468 44326 11657 96.5 1.301
-08.0 97 55.20 2852 2528 45945 11783 97.0 1.279
-07.0 98 55.80 2886 2589 47631 11903 97.4 1.258
-06.0 99 56.40 2920 2651 49385 12018 97.8 1.237
-05.0 100 57.00 2954 2713 51211 12126 98.2 1.217
-04.0 101 57.60 2988 2776 53115 12228 98.5 1.196
-03.0 102 58.20 3022 2839 55098 12324 98.8 1.177
-02.0 103 58.80 3056 2904 57163 12412 99.1 1.157 ! Near Maximum !
-01.0 104 59.40 3090 2969 59319 12494 99.3 1.138 ! Near Maximum !
+00.0 105 60.00 3124 3034 61568 12568 99.5 1.119 ! Near Maximum !
+01.0 106 60.60 3158 3100 63915 12635 99.7 1.101 ! Near Maximum !
+02.0 107 61.20 3192 3167 66365 12694 99.8 1.082 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 61.80 3225 3234 68925 12745 99.9 1.065 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 62.40 3259 3302 71600 12789 100.0 1.047 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 63.00 3292 3370 74398 12824 100.0 1.030 !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 105 60.00 3276 3336 76425 12063 100.0 1.027 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 60.00 2905 2623 48695 12359 94.1 1.239
Cartridge : .270 Win. (SAAMI)
Bullet : .277, 140, Nosler AccuBond 54765
Useable Case Capaci: 59.393 grain H2O = 3.856 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-19
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 94 51.30 2753 2356 45138 10683 95.0 1.294
-09.0 95 51.87 2784 2409 46658 10809 95.5 1.274
-08.0 96 52.44 2815 2463 48230 10931 95.9 1.254
-07.0 97 53.01 2846 2517 49857 11050 96.3 1.235
-06.0 98 53.58 2876 2572 51541 11165 96.7 1.217
-05.0 99 54.15 2907 2628 53281 11275 97.1 1.198
-04.0 100 54.72 2938 2684 55094 11382 97.5 1.180
-03.0 101 55.29 2969 2740 56967 11485 97.8 1.163 ! Near Maximum !
-02.0 102 55.86 3000 2797 58907 11583 98.1 1.145 ! Near Maximum !
-01.0 103 56.43 3031 2855 60910 11677 98.4 1.128 ! Near Maximum !
+00.0 104 57.00 3061 2913 62978 11766 98.7 1.112 ! Near Maximum !
+01.0 105 57.57 3092 2972 65117 11851 98.9 1.095 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 58.14 3123 3031 67332 11930 99.1 1.079 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 58.71 3153 3091 69629 12005 99.3 1.063 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 59.28 3184 3151 72010 12074 99.5 1.047 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 59.85 3214 3211 74479 12139 99.6 1.032 !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 57.00 3197 3178 75175 11481 100.0 1.032 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 57.00 2875 2570 51306 11450 93.1 1.215
