Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 145gr | Speer Hot-Cor bullet and 66 powders. The key underlying parameters are shown in the table above.
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 3100 | <<locked>> | 96% | 50,531 psi | 86% | 2881 fps | 99.4% |
| Accurate 4350 | <<locked>> | 88% | 52,330 psi | 89% | 2930 fps | 100% |
| Accurate High Country | <<locked>> | 94% | 51,547 psi | 88% | 3018 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 82% | 51,387 psi | 87% | 2854 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 49,893 psi | 85% | 2917 fps | 97.3% |
| ADI AR 2213 | <<locked>> | 96% | 50,908 psi | 87% | 2963 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 52,431 psi | 89% | 2881 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 49,966 psi | 85% | 2936 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 50,618 psi | 86% | 2953 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 52,823 psi | 90% | 2963 fps | 98% |
| Alliant Reloder-22 | <<locked>> | 96% | 50,285 psi | 86% | 2963 fps | 97.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 50,981 psi | 87% | 2956 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,369 psi | 81% | 2940 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 94% | 50,720 psi | 86% | 3031 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,779 psi | 90% | 3005 fps | 98% |
| Bofors RP5 | <<locked>> | 96% | 50,285 psi | 86% | 2963 fps | 97.6% |
| Bofors RP7 | <<locked>> | 86% | 52,504 psi | 89% | 2881 fps | 98.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 46,847 psi | 80% | 2874 fps | 96% |
| Hodgdon H414 | <<locked>> | 86% | 50,952 psi | 87% | 2927 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 84% | 50,546 psi | 86% | 2881 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 50,227 psi | 86% | 2864 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,296 psi | 79% | 2976 fps | 97.5% |
| Hodgdon Superformance | <<locked>> | 86% | 50,705 psi | 86% | 2953 fps | 98.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,637 psi | 62% | 1850 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 50,328 psi | 86% | 2861 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 84% | 50,705 psi | 86% | 2851 fps | 98.7% |
| IMR 4831 | <<locked>> | 90% | 52,982 psi | 90% | 2927 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 52,634 psi | 90% | 2900 fps | 96.2% |
| IMR 7828 SSC | <<locked>> | 98% | 52,170 psi | 89% | 3002 fps | 96.7% |
| Lovex S065 | <<locked>> | 86% | 51,053 psi | 87% | 2854 fps | 99.5% |
| Lovex S070 | <<locked>> | 88% | 52,359 psi | 89% | 2897 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,312 psi | 82% | 2844 fps | 99.1% |
| Norma 204 | <<locked>> | 88% | 50,836 psi | 87% | 2907 fps | 97.4% |
| Norma MRP | <<locked>> | 94% | 49,719 psi | 85% | 2986 fps | 98.7% |
| Norma URP | <<locked>> | 88% | 51,285 psi | 87% | 2917 fps | 99.9% |
| Ramshot Grand | <<locked>> | 98% | 52,504 psi | 89% | 3015 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 88% | 50,111 psi | 85% | 2917 fps | 99.3% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,575 psi | 86% | 2949 fps | 98.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,275 psi | 63% | 1893 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 50,096 psi | 85% | 2946 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 52,359 psi | 89% | 2953 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 50,604 psi | 86% | 2976 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,456 psi | 79% | 2972 fps | 98.5% |
| Rottweil R 903 | <<locked>> | 82% | 50,038 psi | 85% | 2841 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 51,387 psi | 87% | 2887 fps | 96.5% |
| Rottweil R 905 | <<locked>> | 94% | 52,069 psi | 89% | 2949 fps | 98% |
| Rottweil R 907 | <<locked>> | 86% | 52,504 psi | 89% | 2881 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 86% | 51,053 psi | 87% | 2854 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 88% | 52,359 psi | 89% | 2897 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 51,314 psi | 87% | 2897 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 50,589 psi | 86% | 2730 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 50,401 psi | 86% | 2802 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 51,619 psi | 88% | 2946 fps | 97.9% |
| Somchem S355 | <<locked>> | 82% | 49,864 psi | 85% | 2835 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 53,055 psi | 90% | 2884 fps | 96.1% |
| Somchem S365 | <<locked>> | 90% | 50,647 psi | 86% | 2920 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 52,794 psi | 90% | 2930 fps | 98.7% |
| Vihtavuori N150 | <<locked>> | 84% | 51,053 psi | 87% | 2812 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 53,040 psi | 90% | 2910 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 52,083 psi | 89% | 2904 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 88% | 52,272 psi | 89% | 2913 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 94% | 50,067 psi | 85% | 2927 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 52,431 psi | 89% | 2874 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 50,952 psi | 87% | 2927 fps | 98.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 50,285 psi | 86% | 3077 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 52,547 psi | 89% | 2917 fps | 97.8% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 84% | 33,620 psi | 57% | 2536 fps | 95.3% |
| Accurate 4350 | <<locked>> | 80% | 39,769 psi | 68% | 2697 fps | 98.7% |
| Accurate High Country | <<locked>> | 90% | 44,846 psi | 76% | 2887 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 48,327 psi | 82% | 2802 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 43,743 psi | 74% | 2795 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 94% | 47,761 psi | 81% | 2900 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,081 psi | 84% | 2828 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,479 psi | 66% | 2707 fps | 98.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,743 psi | 74% | 2831 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 43,453 psi | 74% | 2789 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 90% | 41,104 psi | 70% | 2779 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,297 psi | 48% | 2451 fps | 96.8% |
| Alliant Reloder-25 | <<locked>> | 88% | 32,155 psi | 55% | 2579 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 30,443 psi | 52% | 2566 fps | 95.1% |
| Bofors RP15 | <<locked>> | 94% | 43,395 psi | 74% | 2828 fps | 95.7% |
| Bofors RP5 | <<locked>> | 90% | 41,104 psi | 70% | 2779 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 43,439 psi | 74% | 2710 fps | 96.8% |
| Hodgdon H1000 | <<locked>> | 98% | 43,714 psi | 74% | 2808 fps | 95% |
| Hodgdon H414 | <<locked>> | 80% | 41,582 psi | 71% | 2743 fps | 96.9% |
| Hodgdon H4350 | <<locked>> | 80% | 44,498 psi | 76% | 2766 fps | 96.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,998 psi | 61% | 2595 fps | 99.2% |
| Hodgdon Retumbo | <<locked>> | 96% | 40,669 psi | 69% | 2844 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 80% | 40,654 psi | 69% | 2756 fps | 96.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,311 psi | 46% | 1654 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,044 psi | 66% | 2635 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,933 psi | 76% | 2743 fps | 97.6% |
| IMR 4831 | <<locked>> | 80% | 38,029 psi | 65% | 2644 fps | 98.4% |
| IMR 4955 Enduron | <<locked>> | 92% | 49,574 psi | 84% | 2844 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 96% | 48,689 psi | 83% | 2936 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 42,337 psi | 72% | 2687 fps | 98.2% |
| Lovex S070 | <<locked>> | 80% | 40,625 psi | 69% | 2671 fps | 96.8% |
| Lovex S071 | <<locked>> | 90% | 35,012 psi | 60% | 2569 fps | 95.8% |
| Norma 204 | <<locked>> | 84% | 44,324 psi | 75% | 2782 fps | 95.7% |
| Norma MRP | <<locked>> | 86% | 37,695 psi | 64% | 2730 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 39,349 psi | 67% | 2690 fps | 98.6% |
| Ramshot Grand | <<locked>> | 94% | 45,469 psi | 77% | 2881 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 38,261 psi | 65% | 2674 fps | 96.8% |
| Ramshot Magnum | <<locked>> | 94% | 40,509 psi | 69% | 2753 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,949 psi | 48% | 1693 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,456 psi | 79% | 2884 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,566 psi | 67% | 2713 fps | 98.5% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,145 psi | 65% | 2720 fps | 97.9% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 37,492 psi | 64% | 2756 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 80% | 46,717 psi | 80% | 2785 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 48,269 psi | 82% | 2831 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 88% | 42,699 psi | 73% | 2772 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 43,439 psi | 74% | 2710 fps | 96.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,337 psi | 72% | 2687 fps | 98.2% |
| Shooters World SW4350 | <<locked>> | 80% | 40,625 psi | 69% | 2671 fps | 96.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,022 psi | 82% | 2841 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,761 psi | 81% | 2687 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,437 psi | 71% | 2631 fps | 96.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 42,322 psi | 72% | 2766 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 46,862 psi | 80% | 2782 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 49,501 psi | 84% | 2818 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 35,926 psi | 61% | 2644 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 37,898 psi | 65% | 2635 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 44,817 psi | 76% | 2710 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,770 psi | 69% | 2687 fps | 98.8% |
| Vihtavuori N165 | <<locked>> | 90% | 40,001 psi | 68% | 2674 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 40,263 psi | 69% | 2690 fps | 98.6% |
| Vihtavuori N555 | <<locked>> | 80% | 31,415 psi | 53% | 2530 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,798 psi | 68% | 2654 fps | 99.9% |
| Winchester 760 | <<locked>> | 80% | 41,800 psi | 71% | 2746 fps | 97% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,121 psi | 43% | 2421 fps | 95.5% |
| Winchester Supreme 780 | <<locked>> | 90% | 42,801 psi | 73% | 2740 fps | 95.5% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 66 powders for 7 x 61 S&H (Super) loaded with the .284 | 145gr | Speer Hot-Cor. Winchester StaBALL HD delivers the highest muzzle velocity at 3,077 fps; across all powders the maximum-charge window runs from 1,850 fps to 3,077 fps. Alliant Reloder-25 gives the best case fill at 100 %, and 66 of the 66 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-25, Bofors RP15, Hodgdon H1000 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.