bearhunter
New Member
I came by a batch of 55 grain sp hornady Bullets 223. I have on hand RL 15 and RL 7 . Which would yal recommend to load Above bullet with. Hope one will make good load for .AR 15
reloading 223
- Thread starter bearhunter
- Start date
Ok, Did a quick load run here is the print out for RL7. PLEASE USE SOUND RELOADING PRACTICES> USE DATA AT YOUR OWN RISK
Cartridge : .223 Rem. (SAAMI)
Bullet : .224, 55, Hornady SP 2265
Useable Case Capaci: 26.665 grain H2O = 1.731 cm³
Cartridge O.A.L. L6: 2.260 inch = 57.40 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : Alliant Reloder-7
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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
-20.0 72 17.20 2497 762 28621 6356 93.8 1.177
-18.0 74 17.63 2553 796 30363 6526 94.7 1.150
-16.0 76 18.06 2608 831 32202 6689 95.6 1.125
-14.0 78 18.49 2663 866 34142 6845 96.4 1.100
-12.0 80 18.92 2717 902 36188 6993 97.1 1.075
-10.0 81 19.35 2771 938 38346 7133 97.7 1.049
-08.0 83 19.78 2825 975 40622 7265 98.3 1.021
-06.0 85 20.21 2878 1012 43023 7387 98.8 0.995
-04.0 87 20.64 2931 1049 45555 7500 99.2 0.969
-02.0 89 21.07 2983 1087 48226 7603 99.5 0.944 ! Near Maximum !
+00.0 90 21.50 3035 1125 51044 7696 99.7 0.921 ! Near Maximum !
+02.0 92 21.93 3086 1163 54019 7778 99.9 0.898 ! Near Maximum !
+04.0 94 22.36 3136 1201 57160 7849 100.0 0.876 !DANGEROUS LOAD-DO NOT USE!
+06.0 96 22.79 3186 1240 60478 7910 100.0 0.854 !DANGEROUS LOAD-DO NOT USE!
+08.0 98 23.22 3235 1278 63984 7967 100.0 0.834 !DANGEROUS LOAD-DO NOT USE!
+10.0 99 23.65 3284 1317 67690 8023 100.0 0.814 !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 90 21.50 3143 1207 59689 7429 100.0 0.860 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 90 21.50 2879 1012 42493 7686 96.2 1.000
Cartridge : .223 Rem. (SAAMI)
Bullet : .224, 55, Hornady SP 2265
Useable Case Capaci: 26.665 grain H2O = 1.731 cm³
Cartridge O.A.L. L6: 2.260 inch = 57.40 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : Alliant Reloder-7
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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
-20.0 72 17.20 2497 762 28621 6356 93.8 1.177
-18.0 74 17.63 2553 796 30363 6526 94.7 1.150
-16.0 76 18.06 2608 831 32202 6689 95.6 1.125
-14.0 78 18.49 2663 866 34142 6845 96.4 1.100
-12.0 80 18.92 2717 902 36188 6993 97.1 1.075
-10.0 81 19.35 2771 938 38346 7133 97.7 1.049
-08.0 83 19.78 2825 975 40622 7265 98.3 1.021
-06.0 85 20.21 2878 1012 43023 7387 98.8 0.995
-04.0 87 20.64 2931 1049 45555 7500 99.2 0.969
-02.0 89 21.07 2983 1087 48226 7603 99.5 0.944 ! Near Maximum !
+00.0 90 21.50 3035 1125 51044 7696 99.7 0.921 ! Near Maximum !
+02.0 92 21.93 3086 1163 54019 7778 99.9 0.898 ! Near Maximum !
+04.0 94 22.36 3136 1201 57160 7849 100.0 0.876 !DANGEROUS LOAD-DO NOT USE!
+06.0 96 22.79 3186 1240 60478 7910 100.0 0.854 !DANGEROUS LOAD-DO NOT USE!
+08.0 98 23.22 3235 1278 63984 7967 100.0 0.834 !DANGEROUS LOAD-DO NOT USE!
+10.0 99 23.65 3284 1317 67690 8023 100.0 0.814 !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 90 21.50 3143 1207 59689 7429 100.0 0.860 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 90 21.50 2879 1012 42493 7686 96.2 1.000
RL15 doe not look as good. PLEASE USE SOUND RELOADING PRACTICES> USE DATA AT YOUR OWN RISK
Cartridge : .223 Rem. (SAAMI)
Bullet : .224, 55, Hornady SP 2265
Useable Case Capaci: 26.665 grain H2O = 1.731 cm³
Cartridge O.A.L. L6: 2.260 inch = 57.40 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : Alliant Reloder-15
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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
-20.0 80 19.60 2250 618 21237 5850 71.5 1.314
-18.0 82 20.09 2308 650 22569 6088 73.1 1.282
-16.0 84 20.58 2366 684 23997 6326 74.6 1.251
-14.0 86 21.07 2425 718 25532 6564 76.2 1.221
-12.0 88 21.56 2485 754 27163 6801 77.7 1.191
-10.0 90 22.05 2545 791 28895 7037 79.2 1.162
-08.0 92 22.54 2606 829 30768 7271 80.6 1.133
-06.0 94 23.03 2667 869 32762 7501 82.0 1.105
-04.0 96 23.52 2729 909 34898 7729 83.4 1.077
-02.0 98 24.01 2791 951 37185 7952 84.8 1.050
+00.0 100 24.50 2853 994 39637 8170 86.1 1.020
+02.0 102 24.99 2916 1038 42273 8382 87.3 0.991
+04.0 104 25.48 2979 1084 45102 8588 88.6 0.962
+06.0 106 25.97 3043 1131 48146 8787 89.7 0.935 ! Near Maximum !
+08.0 108 26.46 3106 1178 51408 8977 90.9 0.908 ! Near Maximum !
+10.0 110 26.95 3170 1228 54891 9159 91.9 0.882 !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 100 24.50 3048 1134 48126 8674 93.5 0.936 ! Near Maximum !
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 24.50 2625 842 32116 7350 76.0 1.113
Cartridge : .223 Rem. (SAAMI)
Bullet : .224, 55, Hornady SP 2265
Useable Case Capaci: 26.665 grain H2O = 1.731 cm³
Cartridge O.A.L. L6: 2.260 inch = 57.40 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : Alliant Reloder-15
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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
-20.0 80 19.60 2250 618 21237 5850 71.5 1.314
-18.0 82 20.09 2308 650 22569 6088 73.1 1.282
-16.0 84 20.58 2366 684 23997 6326 74.6 1.251
-14.0 86 21.07 2425 718 25532 6564 76.2 1.221
-12.0 88 21.56 2485 754 27163 6801 77.7 1.191
-10.0 90 22.05 2545 791 28895 7037 79.2 1.162
-08.0 92 22.54 2606 829 30768 7271 80.6 1.133
-06.0 94 23.03 2667 869 32762 7501 82.0 1.105
-04.0 96 23.52 2729 909 34898 7729 83.4 1.077
-02.0 98 24.01 2791 951 37185 7952 84.8 1.050
+00.0 100 24.50 2853 994 39637 8170 86.1 1.020
+02.0 102 24.99 2916 1038 42273 8382 87.3 0.991
+04.0 104 25.48 2979 1084 45102 8588 88.6 0.962
+06.0 106 25.97 3043 1131 48146 8787 89.7 0.935 ! Near Maximum !
+08.0 108 26.46 3106 1178 51408 8977 90.9 0.908 ! Near Maximum !
+10.0 110 26.95 3170 1228 54891 9159 91.9 0.882 !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 100 24.50 3048 1134 48126 8674 93.5 0.936 ! Near Maximum !
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 24.50 2625 842 32116 7350 76.0 1.113
bearhunter
New Member
looks like RL7 be the way to go,