300 rum load data
- Thread starter str8meat
- Start date
DrMike
Ballistician
- Nov 8, 2006
- 36,921
- 5,111
Code:
Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler PART SP 35626
Useable Case Capaci: 101.159 grain H2O = 6.568 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-22 *C
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 82 77.04 2721 3289 47059 11707 99.9 1.512
-09.0 83 77.90 2748 3354 48534 11784 99.9 1.491
-08.0 84 78.75 2774 3418 50050 11855 100.0 1.470
-07.0 84 79.61 2801 3483 51609 11920 100.0 1.449
-06.0 85 80.46 2827 3549 53212 11982 100.0 1.428
-05.0 86 81.32 2853 3614 54861 12043 100.0 1.409
-04.0 87 82.18 2878 3679 56556 12103 100.0 1.389 ! Near Maximum !
-03.0 88 83.03 2904 3745 58300 12163 100.0 1.370 ! Near Maximum !
-02.0 89 83.89 2929 3811 60093 12222 100.0 1.351 ! Near Maximum !
-01.0 90 84.74 2954 3876 61937 12281 100.0 1.333 ! Near Maximum !
+00.0 91 85.60 2980 3942 63834 12338 100.0 1.315 ! Near Maximum !
+01.0 92 86.46 3004 4009 65785 12395 100.0 1.297 !DANGEROUS LOAD-DO NOT USE!
+02.0 93 87.31 3029 4075 67793 12451 100.0 1.279 !DANGEROUS LOAD-DO NOT USE!
+03.0 94 88.17 3054 4141 69858 12506 100.0 1.262 !DANGEROUS LOAD-DO NOT USE!
+04.0 94 89.02 3078 4208 71983 12561 100.0 1.246 !DANGEROUS LOAD-DO NOT USE!
+05.0 95 89.88 3103 4275 74170 12615 100.0 1.229 !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 91 85.60 3074 4196 75230 11975 100.0 1.224 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 85.60 2837 3573 52337 12743 99.3 1.437
- Oct 30, 2004
- 24,048
- 2,528
My load was 92.5 gr
xphunter
Handloader
- Sep 15, 2005
- 1,118
- 1,950
This is safe in my gun. It may not be safe in yours.
Mine is a single-shot with a long throat. Using 230 grain BErger, RWS Brass, Fed magnum primer, 90.4 grains of Retumbo.
Mine is a single-shot with a long throat. Using 230 grain BErger, RWS Brass, Fed magnum primer, 90.4 grains of Retumbo.
- Oct 30, 2004
- 24,048
- 2,528
I got 3141 with 92.5 gr of rl 25. Goes to show you ...different barrels.....
