Load Specifications
Load data in caliber 7 mm Rem. SA Ultra Mag. with .284 | 130gr | NorthFork Bonded Core bullet and 100 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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 2015 | <<locked>> | 82% | 55,492 psi | 85% | 2933 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 58,581 psi | 90% | 3012 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,275 psi | 87% | 3028 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 57,101 psi | 88% | 3018 fps | 97.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 45,730 psi | 70% | 2910 fps | 97.1% |
| Accurate 4064 | <<locked>> | 90% | 58,653 psi | 90% | 3061 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 55,434 psi | 85% | 3107 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 58,218 psi | 90% | 3094 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 55,985 psi | 86% | 3045 fps | 99.9% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 53,359 psi | 82% | 3074 fps | 96% |
| ADI Benchmark 8208 | <<locked>> | 84% | 57,087 psi | 88% | 3041 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 58,740 psi | 90% | 3015 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 58,769 psi | 90% | 3232 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 56,289 psi | 87% | 3068 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 56,811 psi | 87% | 3091 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 56,086 psi | 86% | 3163 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 94% | 57,595 psi | 89% | 3199 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,228 psi | 80% | 3061 fps | 95.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,279 psi | 67% | 2943 fps | 99.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,023 psi | 75% | 3123 fps | 99.1% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 58,349 psi | 90% | 3110 fps | 99.9% |
| Bofors RP3 | <<locked>> | 90% | 57,159 psi | 88% | 3084 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 56,898 psi | 88% | 3054 fps | 97.8% |
| Hodgdon Benchmark | <<locked>> | 84% | 58,479 psi | 90% | 3018 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 57,058 psi | 88% | 3074 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 57,943 psi | 89% | 3100 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 96% | 58,001 psi | 89% | 3156 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 94% | 58,276 psi | 90% | 3117 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 84% | 55,347 psi | 85% | 3051 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 56,188 psi | 86% | 3081 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 55,259 psi | 85% | 3087 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 58,711 psi | 90% | 3199 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,839 psi | 55% | 1893 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 56,623 psi | 87% | 3054 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 55,680 psi | 86% | 3035 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 55,405 psi | 85% | 3025 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 58,610 psi | 90% | 3058 fps | 98.5% |
| IMR 4350 | <<locked>> | 98% | 57,522 psi | 88% | 3084 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 94% | 58,479 psi | 90% | 3084 fps | 98.4% |
| IMR 4831 | <<locked>> | 98% | 55,796 psi | 86% | 3094 fps | 99.8% |
| IMR 4895 | <<locked>> | 88% | 58,305 psi | 90% | 3123 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 57,087 psi | 88% | 3041 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 58,523 psi | 90% | 3068 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 57,392 psi | 88% | 3015 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 55,361 psi | 85% | 3022 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 58,305 psi | 90% | 3081 fps | 99.3% |
| Lovex S070 | <<locked>> | 96% | 55,869 psi | 86% | 3064 fps | 98.3% |
| Norma 201 | <<locked>> | 86% | 57,029 psi | 88% | 3038 fps | 100% |
| Norma 202 | <<locked>> | 86% | 57,711 psi | 89% | 3035 fps | 100% |
| Norma 203B | <<locked>> | 88% | 56,028 psi | 86% | 3077 fps | 100% |
| Norma 204 | <<locked>> | 98% | 58,262 psi | 90% | 3136 fps | 96.9% |
| Norma MRPᴾ | <<locked>> | 100% | 48,631 psi | 75% | 3077 fps | 96.8% |
| Norma URP | <<locked>> | 98% | 57,711 psi | 89% | 3143 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 88% | 56,811 psi | 87% | 3104 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 56,536 psi | 87% | 3140 fps | 99% |
| Ramshot TAC | <<locked>> | 84% | 57,363 psi | 88% | 3061 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 84% | 57,217 psi | 88% | 3081 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 58,015 psi | 89% | 3045 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,376 psi | 56% | 1939 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 58,030 psi | 89% | 3081 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 57,667 psi | 89% | 3166 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 57,421 psi | 88% | 3199 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 55,172 psi | 85% | 3127 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 58,175 psi | 89% | 3219 fps | 99.8% |
| Rottweil R 901 | <<locked>> | 84% | 57,972 psi | 89% | 3018 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 57,450 psi | 88% | 3035 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 57,014 psi | 88% | 3077 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,039 psi | 79% | 3041 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 94% | 56,898 psi | 88% | 3054 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 96% | 58,305 psi | 90% | 3081 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 86% | 58,523 psi | 90% | 3068 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 55,361 psi | 85% | 3022 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 55,869 psi | 86% | 3064 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 58,711 psi | 90% | 3136 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 56,260 psi | 87% | 3045 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 56,942 psi | 88% | 3068 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 58,247 psi | 90% | 2969 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 55,288 psi | 85% | 2920 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 58,668 psi | 90% | 3031 fps | 98.5% |
| Somchem S321 | <<locked>> | 82% | 58,595 psi | 90% | 3074 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 57,682 psi | 89% | 2966 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 55,651 psi | 86% | 3028 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 57,130 psi | 88% | 3071 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 56,347 psi | 87% | 3150 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,040 psi | 80% | 3025 fps | 96.9% |
| Vihtavuori N130 | <<locked>> | 82% | 57,827 psi | 89% | 2927 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 58,566 psi | 90% | 2949 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 57,406 psi | 88% | 2992 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 58,334 psi | 90% | 3012 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 58,624 psi | 90% | 3048 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 56,681 psi | 87% | 3087 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 84% | 57,754 psi | 89% | 3041 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 56,347 psi | 87% | 3009 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 55,564 psi | 85% | 3087 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 47,993 psi | 74% | 3022 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 56,666 psi | 87% | 3058 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 58,044 psi | 89% | 3094 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 58,320 psi | 90% | 3163 fps | 98.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,856 psi | 60% | 2959 fps | 99.6% |
| Winchester StaBALL Match | <<locked>> | 86% | 56,913 psi | 88% | 3074 fps | 100% |
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 2015 | <<locked>> | 80% | 52,359 psi | 81% | 2887 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 45,121 psi | 69% | 2808 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,504 psi | 81% | 2969 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 46,905 psi | 72% | 2838 fps | 95.4% |
| Accurate 3100 | <<locked>> | 96% | 39,943 psi | 61% | 2795 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 42,670 psi | 66% | 2805 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 33,982 psi | 52% | 2677 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 48,356 psi | 74% | 2930 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 40,915 psi | 63% | 2766 fps | 98% |
| ADI AR 2209 | <<locked>> | 98% | 49,995 psi | 77% | 3015 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 50,401 psi | 78% | 2933 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 51,401 psi | 79% | 2913 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,440 psi | 68% | 2972 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,031 psi | 63% | 2792 fps | 99.2% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,976 psi | 68% | 2861 fps | 98.8% |
| Alliant Reloder-16 | <<locked>> | 82% | 33,881 psi | 52% | 2690 fps | 95.3% |
| Alliant Reloder-17 | 51.3 gr | 80% | 35,636 psi | 55% | 2762 fps | 97.8% |
| Alliant Reloder-19 | <<locked>> | 98% | 49,052 psi | 75% | 3002 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 88% | 29,631 psi | 46% | 2589 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 92% | 36,666 psi | 56% | 2844 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,761 psi | 73% | 2933 fps | 99% |
| Bofors RP3 | <<locked>> | 80% | 40,901 psi | 63% | 2799 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 44,295 psi | 68% | 2825 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 51,793 psi | 80% | 2917 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,835 psi | 77% | 2959 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 41,466 psi | 64% | 2802 fps | 97.2% |
| Hodgdon H414 | <<locked>> | 88% | 44,454 psi | 68% | 2913 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 88% | 48,109 psi | 74% | 2940 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 48,820 psi | 75% | 2940 fps | 99.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,283 psi | 45% | 2526 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,165 psi | 69% | 2913 fps | 99.8% |
| Hodgdon Superformance | 59.6 gr | 88% | 43,976 psi | 68% | 2927 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,745 psi | 41% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,673 psi | 72% | 2887 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 48,776 psi | 75% | 2930 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,004 psi | 66% | 2802 fps | 98.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,614 psi | 70% | 2831 fps | 96% |
| IMR 4350 | <<locked>> | 90% | 44,628 psi | 69% | 2854 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 84% | 43,047 psi | 66% | 2802 fps | 95.1% |
| IMR 4831 | <<locked>> | 82% | 32,967 psi | 51% | 2631 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 45,063 psi | 69% | 2894 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 80% | 50,401 psi | 78% | 2933 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,051 psi | 74% | 2907 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,964 psi | 74% | 2861 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 43,294 psi | 67% | 2812 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 37,811 psi | 58% | 2690 fps | 95.1% |
| Lovex S070 | <<locked>> | 88% | 43,555 psi | 67% | 2835 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 47,253 psi | 73% | 2874 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 47,747 psi | 73% | 2881 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,352 psi | 67% | 2851 fps | 99% |
| Norma 204 | <<locked>> | 94% | 50,894 psi | 78% | 3012 fps | 95.3% |
| Norma MRP | <<locked>> | 98% | 45,324 psi | 70% | 3009 fps | 95.8% |
| Norma URP | <<locked>> | 82% | 34,243 psi | 53% | 2680 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 43,236 psi | 67% | 2864 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 88% | 40,553 psi | 62% | 2838 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 50,372 psi | 77% | 2943 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,096 psi | 77% | 2963 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 54,331 psi | 84% | 2989 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,108 psi | 42% | 1736 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 41,771 psi | 64% | 2782 fps | 95.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,876 psi | 72% | 2979 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 37,913 psi | 58% | 2835 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 36,201 psi | 56% | 2756 fps | 95.8% |
| ReloadSwiss RS 70 | 56 gr | 86% | 38,435 psi | 59% | 2825 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 51,198 psi | 79% | 2913 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 44,933 psi | 69% | 2825 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 38,580 psi | 59% | 2743 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 98% | 47,732 psi | 73% | 2979 fps | 95% |
| Rottweil R 907 | <<locked>> | 86% | 44,295 psi | 68% | 2825 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 82% | 37,811 psi | 58% | 2690 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,051 psi | 74% | 2907 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,294 psi | 67% | 2812 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 43,555 psi | 67% | 2835 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,523 psi | 61% | 2792 fps | 98.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,834 psi | 75% | 2920 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,847 psi | 72% | 2894 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,312 psi | 74% | 2818 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,480 psi | 62% | 2677 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 42,409 psi | 65% | 2746 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 54,810 psi | 84% | 3018 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 48,037 psi | 74% | 2818 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,646 psi | 75% | 2913 fps | 99.6% |
| Somchem S355 | <<locked>> | 80% | 39,117 psi | 60% | 2743 fps | 98.6% |
| Somchem S365 | <<locked>> | 80% | 28,645 psi | 44% | 2566 fps | 96.6% |
| Somchem S385 | <<locked>> | 96% | 45,469 psi | 70% | 2904 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 54,331 psi | 84% | 2877 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 48,747 psi | 75% | 2808 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,686 psi | 69% | 2802 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,368 psi | 70% | 2812 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,391 psi | 58% | 2677 fps | 99.2% |
| Vihtavuori N160 | <<locked>> | 82% | 35,592 psi | 55% | 2680 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 50,589 psi | 78% | 2930 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 43,540 psi | 67% | 2799 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 35,143 psi | 54% | 2680 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 88% | 32,155 psi | 49% | 2671 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,982 psi | 51% | 2595 fps | 97.1% |
| Winchester 748 | <<locked>> | 80% | 50,836 psi | 78% | 2982 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 44,454 psi | 68% | 2913 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 92% | 29,791 psi | 46% | 2674 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,412 psi | 71% | 2900 fps | 99.7% |
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 100 powders for 7 mm Rem. SA Ultra Mag. loaded with the .284 | 130gr | NorthFork Bonded Core. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,232 fps; across all powders the maximum-charge window runs from 1,893 fps to 3,232 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 7 mm Rem. SA Ultra Mag. with the .284 | 130gr | NorthFork Bonded Core 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.