Cartridge : 7 mm Rem SA Ultra Mag
Bullet : .284, 120, Nosler BalTip 28120
Useable Case Capaci: 67.448 grain H2O = 4.379 cm³
Cartridge O.A.L. L6: 2.820 inch = 71.63 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Alliant Reloder-26 *C
Predicted data by increasing and decreasing the given charge,
incremented in steps of 0.694% 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
-06.9 100 67.00 3252 2818 48740 12599 98.7 1.163
-06.2 101 67.50 3281 2868 50109 12665 98.9 1.148
-05.6 102 68.00 3310 2919 51523 12726 99.2 1.133
-04.9 102 68.50 3338 2969 52984 12782 99.4 1.119
-04.2 103 69.00 3367 3021 54494 12833 99.5 1.105
-03.5 104 69.50 3396 3072 56044 12878 99.7 1.091 ! Near Maximum !
-02.8 105 70.00 3424 3124 57668 12918 99.8 1.076 ! Near Maximum !
-02.1 105 70.50 3453 3177 59337 12952 99.9 1.063 ! Near Maximum !
-01.4 106 71.00 3481 3229 61063 12981 99.9 1.049 ! Near Maximum !
-00.7 107 71.50 3510 3282 62852 13004 100.0 1.036 ! Near Maximum !
+00.0 108 72.00 3538 3335 64701 13022 100.0 1.022 !DANGEROUS LOAD-DO NOT USE!
+00.7 108 72.50 3566 3389 66618 13036 100.0 1.009 !DANGEROUS LOAD-DO NOT USE!
+01.4 109 73.00 3594 3442 68602 13049 100.0 0.996 !DANGEROUS LOAD-DO NOT USE!
+02.1 110 73.50 3622 3496 70659 13062 100.0 0.983 !DANGEROUS LOAD-DO NOT USE!
+02.8 111 74.00 3650 3550 72790 13074 100.0 0.971 !DANGEROUS LOAD-DO NOT USE!
+03.5 111 74.50 3678 3605 74997 13085 100.0 0.958 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 3% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 3% relative to nominal value:
+Ba 108 72.00 3599 3452 69775 12806 100.0 0.992 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 3% relative to nominal value:
-Ba 108 72.00 3468 3204 59988 13196 99.6 1.055 ! Near Maximum !
