Load Specifications
Load data in caliber 7 mm Rem. SA Ultra Mag. with .284 | 170gr | Geco PLUS bullet and 92 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.
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.
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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>> | 82% | 58,334 psi | 90% | 2625 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 55,666 psi | 86% | 2661 fps | 99.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 57,914 psi | 89% | 2762 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 58,813 psi | 90% | 2680 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 56,217 psi | 86% | 2749 fps | 100% |
| Accurate MAGPRO | <<locked>> | 98% | 56,188 psi | 86% | 2854 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 86% | 58,465 psi | 90% | 2717 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 56,971 psi | 88% | 2799 fps | 99.2% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 58,436 psi | 90% | 2858 fps | 98.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 37,710 psi | 58% | 2539 fps | 97.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 58,363 psi | 90% | 2841 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 56,057 psi | 86% | 2694 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 56,115 psi | 86% | 2713 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 57,029 psi | 88% | 2802 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 58,450 psi | 90% | 2822 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 56,289 psi | 87% | 2789 fps | 99.2% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 57,667 psi | 89% | 2851 fps | 99.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 54,505 psi | 84% | 2772 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,282 psi | 73% | 2720 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 96% | 54,911 psi | 84% | 2864 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,895 psi | 81% | 2779 fps | 98.8% |
| Bofors RP3 | <<locked>> | 84% | 57,072 psi | 88% | 2710 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 43,134 psi | 66% | 2644 fps | 96.3% |
| Bofors RP5ᴾ | <<locked>> | 100% | 57,667 psi | 89% | 2851 fps | 99.5% |
| Bofors RP7 | <<locked>> | 88% | 55,970 psi | 86% | 2700 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 46,775 psi | 72% | 2661 fps | 97.3% |
| Hodgdon H380 | <<locked>> | 84% | 57,159 psi | 88% | 2726 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 58,175 psi | 89% | 2802 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 88% | 57,754 psi | 89% | 2762 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 98% | 58,726 psi | 90% | 2802 fps | 98.1% |
| Hodgdon H4831 SC | <<locked>> | 98% | 57,421 psi | 88% | 2782 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 57,377 psi | 88% | 2726 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 58,581 psi | 90% | 2756 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,427 psi | 71% | 2766 fps | 98.6% |
| Hodgdon Superformance | <<locked>> | 90% | 58,798 psi | 90% | 2848 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,796 psi | 57% | 1670 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 57,870 psi | 89% | 2697 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 56,869 psi | 87% | 2690 fps | 99.8% |
| IMR 4350 | <<locked>> | 92% | 57,116 psi | 88% | 2736 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 57,667 psi | 89% | 2726 fps | 99.8% |
| IMR 4831 | <<locked>> | 92% | 56,695 psi | 87% | 2743 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 57,566 psi | 89% | 2736 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 56,173 psi | 86% | 2730 fps | 97.9% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 55,782 psi | 86% | 2831 fps | 98.4% |
| Lovex S062 | <<locked>> | 84% | 58,146 psi | 89% | 2690 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 57,769 psi | 89% | 2720 fps | 100% |
| Lovex S070 | <<locked>> | 90% | 55,782 psi | 86% | 2717 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,399 psi | 74% | 2628 fps | 99.6% |
| Norma 203B | <<locked>> | 82% | 55,434 psi | 85% | 2697 fps | 100% |
| Norma 204 | <<locked>> | 92% | 58,102 psi | 89% | 2792 fps | 99.2% |
| Norma MRP | <<locked>> | 98% | 57,392 psi | 88% | 2877 fps | 99.9% |
| Norma URP | <<locked>> | 92% | 58,378 psi | 90% | 2785 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 56,217 psi | 86% | 2723 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 56,333 psi | 87% | 2848 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 92% | 57,130 psi | 88% | 2792 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,517 psi | 78% | 2730 fps | 99.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,550 psi | 58% | 1709 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 56,797 psi | 87% | 2713 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 57,740 psi | 89% | 2808 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 56,101 psi | 86% | 2776 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 58,218 psi | 90% | 2854 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,296 psi | 71% | 2759 fps | 99.3% |
| Rottweil R 902 | <<locked>> | 82% | 56,579 psi | 87% | 2651 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 57,246 psi | 88% | 2707 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 58,595 psi | 90% | 2769 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 96% | 55,767 psi | 86% | 2779 fps | 99.2% |
| Rottweil R 907 | <<locked>> | 88% | 55,970 psi | 86% | 2700 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 90% | 57,769 psi | 89% | 2720 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 58,146 psi | 89% | 2690 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 55,782 psi | 86% | 2717 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 58,624 psi | 90% | 2762 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 57,638 psi | 89% | 2585 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 57,392 psi | 88% | 2677 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 55,303 psi | 85% | 2772 fps | 99.2% |
| Somchem S355 | <<locked>> | 86% | 56,898 psi | 88% | 2700 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 56,608 psi | 87% | 2713 fps | 97.7% |
| Somchem S365 | <<locked>> | 94% | 58,131 psi | 89% | 2785 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 56,463 psi | 87% | 2756 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 82% | 57,130 psi | 88% | 2608 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 57,377 psi | 88% | 2628 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 58,044 psi | 89% | 2671 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 56,811 psi | 87% | 2730 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 55,521 psi | 85% | 2730 fps | 99.4% |
| Vihtavuori N540 | <<locked>> | 82% | 55,463 psi | 85% | 2625 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 55,956 psi | 86% | 2736 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 57,276 psi | 88% | 2799 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 57,493 psi | 88% | 2867 fps | 98.3% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 49,371 psi | 76% | 2730 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 56,231 psi | 87% | 2694 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 58,494 psi | 90% | 2808 fps | 99.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 50,415 psi | 78% | 2844 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,507 psi | 87% | 2749 fps | 99.1% |
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% | 54,926 psi | 85% | 2582 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 52,040 psi | 80% | 2605 fps | 99.1% |
| Accurate 3100 | <<locked>> | 80% | 29,588 psi | 46% | 2244 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 52,112 psi | 80% | 2595 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 40,074 psi | 62% | 2490 fps | 99.5% |
| Accurate MAGPRO | <<locked>> | 92% | 45,571 psi | 70% | 2674 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 48,704 psi | 75% | 2575 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 38,493 psi | 59% | 2470 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 92% | 44,686 psi | 69% | 2625 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 96% | 33,112 psi | 51% | 2418 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 54,331 psi | 84% | 2785 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,385 psi | 76% | 2595 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,692 psi | 81% | 2664 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,870 psi | 60% | 2500 fps | 99.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,266 psi | 68% | 2615 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 38,377 psi | 59% | 2470 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 88% | 38,696 psi | 60% | 2520 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,660 psi | 44% | 2277 fps | 98.3% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,313 psi | 47% | 2339 fps | 95.8% |
| Alliant Reloder-26 | 51.7 gr | 80% | 30,574 psi | 47% | 2385 fps | 96.9% |
| Bofors RP15 | <<locked>> | 90% | 38,189 psi | 59% | 2507 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 49,893 psi | 77% | 2608 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 40,379 psi | 62% | 2589 fps | 95.4% |
| Bofors RP5 | <<locked>> | 88% | 38,696 psi | 60% | 2520 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 43,714 psi | 67% | 2497 fps | 97.9% |
| Hodgdon H1000 | <<locked>> | 96% | 40,973 psi | 63% | 2546 fps | 95.5% |
| Hodgdon H380 | <<locked>> | 80% | 50,314 psi | 77% | 2628 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 42,018 psi | 65% | 2539 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 80% | 44,686 psi | 69% | 2549 fps | 97.5% |
| Hodgdon H4831 | <<locked>> | 90% | 44,860 psi | 69% | 2579 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 46,862 psi | 72% | 2615 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,318 psi | 56% | 2392 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 55,013 psi | 85% | 2707 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,116 psi | 59% | 2579 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 40,698 psi | 63% | 2549 fps | 97.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,441 psi | 42% | 1490 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,213 psi | 79% | 2605 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 53,461 psi | 82% | 2638 fps | 99.6% |
| IMR 4350 | <<locked>> | 80% | 39,233 psi | 60% | 2431 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,034 psi | 69% | 2523 fps | 98.5% |
| IMR 4831 | <<locked>> | 80% | 38,435 psi | 59% | 2444 fps | 99.3% |
| IMR 4895 | <<locked>> | 80% | 54,041 psi | 83% | 2687 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 43,787 psi | 67% | 2523 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 92% | 42,888 psi | 66% | 2602 fps | 95.4% |
| Lovex S062 | <<locked>> | 80% | 51,576 psi | 79% | 2598 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,772 psi | 66% | 2480 fps | 99.1% |
| Lovex S070 | <<locked>> | 80% | 40,988 psi | 63% | 2467 fps | 98% |
| Lovex S071 | <<locked>> | 86% | 30,966 psi | 48% | 2280 fps | 95.7% |
| Norma 203B | <<locked>> | 80% | 52,025 psi | 80% | 2648 fps | 100% |
| Norma 204 | <<locked>> | 80% | 38,899 psi | 60% | 2461 fps | 95.4% |
| Norma MRP | 51.5 gr | 82% | 33,112 psi | 51% | 2418 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 39,711 psi | 61% | 2484 fps | 99.4% |
| Ramshot Big Game | <<locked>> | 80% | 52,504 psi | 81% | 2674 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 42,351 psi | 65% | 2605 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 38,551 psi | 59% | 2477 fps | 98% |
| Ramshot Magnum | <<locked>> | 90% | 35,172 psi | 54% | 2434 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,963 psi | 43% | 1526 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,922 psi | 77% | 2608 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,992 psi | 72% | 2657 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,813 psi | 61% | 2510 fps | 99.3% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,319 psi | 59% | 2516 fps | 98.9% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 34,983 psi | 54% | 2500 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 53,417 psi | 82% | 2608 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 47,137 psi | 73% | 2562 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 42,772 psi | 66% | 2510 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 84% | 37,478 psi | 58% | 2451 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 43,714 psi | 67% | 2497 fps | 97.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,772 psi | 66% | 2480 fps | 99.1% |
| Shooters World Precision | <<locked>> | 80% | 51,576 psi | 79% | 2598 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,988 psi | 63% | 2467 fps | 98% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,298 psi | 74% | 2615 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,993 psi | 74% | 2457 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,698 psi | 64% | 2428 fps | 98% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 37,130 psi | 57% | 2448 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 47,355 psi | 73% | 2559 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,586 psi | 72% | 2552 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 36,172 psi | 56% | 2441 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 35,650 psi | 55% | 2385 fps | 95.6% |
| Vihtavuori N135 | <<locked>> | 80% | 53,838 psi | 83% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 53,882 psi | 83% | 2582 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 45,165 psi | 69% | 2490 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,104 psi | 63% | 2480 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 86% | 35,157 psi | 54% | 2369 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 52,141 psi | 80% | 2582 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,596 psi | 62% | 2484 fps | 99.4% |
| Vihtavuori N555 | <<locked>> | 80% | 31,850 psi | 49% | 2349 fps | 98.3% |
| Vihtavuori N560 | 56.5 gr | 90% | 43,859 psi | 67% | 2638 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 96% | 43,062 psi | 66% | 2615 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,118 psi | 62% | 2451 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,018 psi | 65% | 2539 fps | 98.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,295 psi | 39% | 2264 fps | 97.8% |
| Winchester Supreme 780 | <<locked>> | 86% | 37,333 psi | 57% | 2421 fps | 95% |
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 92 powders for 7 mm Rem. SA Ultra Mag. loaded with the .284 | 170gr | Geco PLUS. Norma MRP delivers the highest muzzle velocity at 2,877 fps; across all powders the maximum-charge window runs from 1,670 fps to 2,877 fps. Accurate 3100 gives the best case fill at 100 %, and 92 of the 92 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 170.0 gr projectile in 0.284" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, ADI AR 2225 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. Alliant Reloder-26, Norma MRP, Vihtavuori N560 rank at the top here: for 7 mm Rem. SA Ultra Mag. with the .284 | 170gr | Geco PLUS they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.