Load Specifications
Bullet Manufacturer:Sierra
Bullet Weight:150 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.026"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:72.6 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:11.5
Load data in caliber 7 mm Rem. SA Ultra Mag. with .284 | 150gr | Sierra MatchKing bullet and 106 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-17 and ReloadSwiss RS 60.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 57,145 psi | 88% | 2785 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 58,624 psi | 90% | 2861 fps | 99% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,083 psi | 80% | 2841 fps | 99.4% |
| Accurate 4064 | <<locked>> | 86% | 57,464 psi | 88% | 2841 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 58,015 psi | 89% | 2946 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 56,434 psi | 87% | 2867 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 57,363 psi | 88% | 2871 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 55,259 psi | 85% | 2933 fps | 98% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,924 psi | 81% | 2920 fps | 96.3% |
| ADI Benchmark 8208 | <<locked>> | 82% | 58,624 psi | 90% | 2864 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,855 psi | 87% | 2999 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 58,146 psi | 89% | 2894 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 58,595 psi | 90% | 2920 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 58,566 psi | 90% | 3002 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 56,463 psi | 87% | 2979 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 58,276 psi | 90% | 2979 fps | 98.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,605 psi | 79% | 2920 fps | 97.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,921 psi | 75% | 2861 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,496 psi | 65% | 2776 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 56,028 psi | 86% | 3054 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 56,434 psi | 87% | 2890 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 47,355 psi | 73% | 2844 fps | 96.6% |
| Bofors RP3 | <<locked>> | 86% | 55,695 psi | 86% | 2864 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,605 psi | 79% | 2920 fps | 97.6% |
| Bofors RP7 | <<locked>> | 92% | 58,566 psi | 90% | 2897 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 82% | 58,711 psi | 90% | 2894 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 55,956 psi | 86% | 2877 fps | 100% |
| Hodgdon H414 | <<locked>> | 92% | 56,623 psi | 87% | 2949 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 90% | 56,463 psi | 87% | 2907 fps | 98.5% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 56,782 psi | 87% | 2927 fps | 96.4% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 55,550 psi | 85% | 2907 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 82% | 57,043 psi | 88% | 2877 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 55,521 psi | 85% | 2877 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 57,406 psi | 88% | 2917 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 56,985 psi | 88% | 2989 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,274 psi | 56% | 1772 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 57,957 psi | 89% | 2877 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 57,711 psi | 89% | 2851 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 57,058 psi | 88% | 2858 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 56,275 psi | 87% | 2841 fps | 99.2% |
| IMR 4350 | <<locked>> | 94% | 55,767 psi | 86% | 2877 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,768 psi | 87% | 2874 fps | 99.2% |
| IMR 4831 | <<locked>> | 96% | 58,450 psi | 90% | 2940 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 56,492 psi | 87% | 2897 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 58,334 psi | 90% | 2917 fps | 96.9% |
| IMR 8208 XBR | <<locked>> | 82% | 58,624 psi | 90% | 2864 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 56,826 psi | 87% | 2841 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 58,595 psi | 90% | 2841 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 57,188 psi | 88% | 2848 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,608 psi | 87% | 2867 fps | 99.8% |
| Lovex S070 | <<locked>> | 94% | 57,928 psi | 89% | 2910 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,250 psi | 67% | 2690 fps | 98% |
| Norma 201 | <<locked>> | 84% | 58,639 psi | 90% | 2861 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,869 psi | 86% | 2808 fps | 100% |
| Norma 203B | <<locked>> | 86% | 57,870 psi | 89% | 2907 fps | 100% |
| Norma 204 | <<locked>> | 94% | 56,666 psi | 87% | 2930 fps | 98.1% |
| Norma MRPᴾ | <<locked>> | 100% | 54,897 psi | 84% | 3009 fps | 99.2% |
| Norma URP | <<locked>> | 94% | 56,565 psi | 87% | 2933 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,969 psi | 85% | 2881 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 50,691 psi | 78% | 2907 fps | 96.2% |
| Ramshot Hunter | <<locked>> | 94% | 55,419 psi | 85% | 2933 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 44,991 psi | 69% | 2779 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,941 psi | 57% | 1814 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,985 psi | 86% | 2864 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,985 psi | 86% | 2936 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,869 psi | 86% | 2969 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 58,088 psi | 89% | 2976 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 56,637 psi | 87% | 3005 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,568 psi | 64% | 2792 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 84% | 55,840 psi | 86% | 2815 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 55,550 psi | 85% | 2858 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 57,058 psi | 88% | 2904 fps | 97.3% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 57,392 psi | 88% | 2966 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 92% | 58,566 psi | 90% | 2897 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,608 psi | 87% | 2867 fps | 99.8% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,826 psi | 87% | 2841 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 57,188 psi | 88% | 2848 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 57,928 psi | 89% | 2910 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 57,087 psi | 88% | 2917 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 57,682 psi | 89% | 2877 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 58,276 psi | 90% | 2890 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 56,014 psi | 86% | 2743 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,724 psi | 87% | 2743 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 56,666 psi | 87% | 2825 fps | 99.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,884 psi | 88% | 2959 fps | 98.5% |
| Somchem S335 | <<locked>> | 82% | 55,622 psi | 86% | 2740 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 57,479 psi | 88% | 2861 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 55,463 psi | 85% | 2851 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 55,259 psi | 85% | 2841 fps | 96.1% |
| Somchem S365 | <<locked>> | 96% | 55,680 psi | 86% | 2933 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 58,030 psi | 89% | 2940 fps | 99.1% |
| Vihtavuori N133 | <<locked>> | 82% | 56,521 psi | 87% | 2723 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,985 psi | 86% | 2769 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 56,231 psi | 87% | 2785 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 56,869 psi | 87% | 2825 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 58,813 psi | 90% | 2923 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,270 psi | 77% | 2802 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 86% | 57,957 psi | 89% | 2831 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 58,044 psi | 89% | 2933 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 54,679 psi | 84% | 2936 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 55,303 psi | 85% | 2995 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,969 psi | 85% | 2844 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 56,623 psi | 87% | 2949 fps | 99.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,164 psi | 68% | 2917 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 58,813 psi | 90% | 2904 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 54,766 psi | 84% | 2881 fps | 97.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 50,125 psi | 77% | 2690 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 48,153 psi | 74% | 2694 fps | 97.4% |
| Accurate 3100 | <<locked>> | 88% | 34,548 psi | 53% | 2507 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 47,500 psi | 73% | 2697 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,042 psi | 55% | 2556 fps | 97.7% |
| ADI AR 2206H | <<locked>> | 80% | 52,997 psi | 82% | 2818 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,875 psi | 69% | 2667 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 90% | 42,641 psi | 66% | 2703 fps | 95% |
| ADI AR 2213 | <<locked>> | 98% | 49,559 psi | 76% | 2861 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 55,100 psi | 85% | 2815 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 49,313 psi | 76% | 2877 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,426 psi | 70% | 2694 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,559 psi | 75% | 2766 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,288 psi | 54% | 2566 fps | 97.8% |
| Alliant Reloder-17 | 50.8 gr | 80% | 39,740 psi | 61% | 2690 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 90% | 42,235 psi | 65% | 2697 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 94% | 42,453 psi | 65% | 2746 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,817 psi | 40% | 2316 fps | 95.1% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,069 psi | 51% | 2543 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 84% | 31,444 psi | 48% | 2546 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 52,562 psi | 81% | 2831 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 44,382 psi | 68% | 2785 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 45,614 psi | 70% | 2707 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 42,453 psi | 65% | 2746 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 40,350 psi | 62% | 2575 fps | 95.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 54,868 psi | 84% | 2844 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 45,963 psi | 71% | 2713 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 80% | 37,927 psi | 58% | 2602 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 80% | 41,031 psi | 63% | 2625 fps | 95% |
| Hodgdon H4831 | <<locked>> | 98% | 53,156 psi | 82% | 2871 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 98% | 51,996 psi | 80% | 2851 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 53,621 psi | 82% | 2828 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,822 psi | 50% | 2464 fps | 98.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 50,067 psi | 77% | 2808 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 39,726 psi | 61% | 2671 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 42% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 51,111 psi | 79% | 2776 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 53,998 psi | 83% | 2802 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,195 psi | 73% | 2700 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,458 psi | 76% | 2730 fps | 98.3% |
| IMR 4350 | <<locked>> | 82% | 38,348 psi | 59% | 2556 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,684 psi | 64% | 2608 fps | 96.5% |
| IMR 4831 | <<locked>> | 80% | 34,592 psi | 53% | 2510 fps | 97.4% |
| IMR 4895 | <<locked>> | 80% | 49,806 psi | 77% | 2792 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 51,474 psi | 79% | 2805 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 55,100 psi | 85% | 2815 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 53,055 psi | 82% | 2789 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,851 psi | 80% | 2740 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,384 psi | 73% | 2700 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,204 psi | 60% | 2556 fps | 97.3% |
| Lovex S070 | <<locked>> | 80% | 37,391 psi | 58% | 2533 fps | 95.5% |
| Lovex S071 | <<locked>> | 92% | 33,402 psi | 51% | 2480 fps | 95% |
| Norma 201 | <<locked>> | 80% | 51,721 psi | 80% | 2759 fps | 100% |
| Norma 202 | <<locked>> | 80% | 52,446 psi | 81% | 2759 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,921 psi | 74% | 2749 fps | 100% |
| Norma 204 | <<locked>> | 86% | 43,236 psi | 67% | 2697 fps | 95.1% |
| Norma MRP | <<locked>> | 90% | 38,928 psi | 60% | 2700 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 35,824 psi | 55% | 2549 fps | 97.5% |
| Ramshot Big Game | <<locked>> | 80% | 47,950 psi | 74% | 2769 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 47,065 psi | 72% | 2838 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 34,737 psi | 53% | 2533 fps | 95.3% |
| Ramshot Magnum | <<locked>> | 98% | 42,061 psi | 65% | 2720 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,499 psi | 42% | 1617 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,021 psi | 71% | 2697 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 52,141 psi | 80% | 2877 fps | 100% |
| ReloadSwiss RS 60 | 50.8 gr | 80% | 42,250 psi | 65% | 2746 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,723 psi | 55% | 2572 fps | 97.3% |
| ReloadSwiss RS 70 | 51.6 gr | 80% | 34,809 psi | 54% | 2572 fps | 96.5% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,754 psi | 60% | 2723 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 49,255 psi | 76% | 2713 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,844 psi | 66% | 2651 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 92% | 47,094 psi | 72% | 2736 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 90% | 41,234 psi | 63% | 2680 fps | 95% |
| Rottweil R 907 | <<locked>> | 80% | 40,350 psi | 62% | 2575 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,204 psi | 60% | 2556 fps | 97.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 53,055 psi | 82% | 2789 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,384 psi | 73% | 2700 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,391 psi | 58% | 2533 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,874 psi | 67% | 2703 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 53,911 psi | 83% | 2818 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 51,271 psi | 79% | 2785 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,518 psi | 81% | 2694 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,324 psi | 68% | 2562 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,421 psi | 59% | 2500 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 43,613 psi | 67% | 2730 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 52,330 psi | 81% | 2694 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 53,461 psi | 82% | 2805 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,265 psi | 67% | 2651 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 51,938 psi | 80% | 2789 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 32,372 psi | 50% | 2510 fps | 99.3% |
| Somchem S385 | <<locked>> | 88% | 39,334 psi | 61% | 2608 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 53,055 psi | 82% | 2677 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,400 psi | 76% | 2677 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,603 psi | 76% | 2690 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,249 psi | 63% | 2579 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,362 psi | 57% | 2552 fps | 97.9% |
| Vihtavuori N165 | <<locked>> | 94% | 41,104 psi | 63% | 2635 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 47,935 psi | 74% | 2687 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,753 psi | 57% | 2552 fps | 97.6% |
| Vihtavuori N555 | <<locked>> | 80% | 28,152 psi | 43% | 2392 fps | 95.3% |
| Vihtavuori N560 | <<locked>> | 98% | 51,561 psi | 79% | 2930 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,405 psi | 56% | 2520 fps | 99.4% |
| Winchester 760 | <<locked>> | 80% | 38,145 psi | 59% | 2605 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 84% | 25,860 psi | 40% | 2398 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 51,358 psi | 79% | 2792 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 44,222 psi | 68% | 2700 fps | 95.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 114 powders for 7 mm Rem. SA Ultra Mag. loaded with the .284 | 150gr | Sierra MatchKing. Alliant Reloder-26 delivers the highest muzzle velocity at 3,054 fps; across all powders the maximum-charge window runs from 1,772 fps to 3,054 fps. Accurate 3100 gives the best case fill at 100 %, and 114 of the 114 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 70, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for 7 mm Rem. SA Ultra Mag. with the .284 | 150gr | Sierra MatchKing they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2225, Baschieri & Pellagri 109, Bofors RP30 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.