Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 168gr | Sierra MatchKing bullet and 68 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.
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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 51,314 psi | 87% | 2703 fps | 99.9% |
| Accurate 4350 | <<locked>> | 86% | 52,837 psi | 90% | 2736 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 52,475 psi | 89% | 2841 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 94% | 53,156 psi | 90% | 2841 fps | 97.3% |
| ADI AR 2209 | <<locked>> | 90% | 50,212 psi | 85% | 2733 fps | 98.6% |
| ADI AR 2213 | <<locked>> | 94% | 51,430 psi | 88% | 2789 fps | 97.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 45,919 psi | 78% | 2680 fps | 96.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 40,611 psi | 69% | 2641 fps | 98.5% |
| Alliant Reloder-16 | <<locked>> | 86% | 50,473 psi | 86% | 2743 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 51,039 psi | 87% | 2753 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 49,879 psi | 85% | 2723 fps | 98.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 51,198 psi | 87% | 2785 fps | 98.9% |
| Alliant Reloder-23 | <<locked>> | 96% | 51,938 psi | 88% | 2766 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 51,155 psi | 87% | 2815 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 51,982 psi | 88% | 2848 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 50,198 psi | 85% | 2769 fps | 98.7% |
| Bofors RP30ᴾ | <<locked>> | 100% | 47,268 psi | 80% | 2753 fps | 97.7% |
| Bofors RP5 | <<locked>> | 94% | 51,198 psi | 87% | 2785 fps | 98.9% |
| Bofors RP7 | <<locked>> | 84% | 52,417 psi | 89% | 2687 fps | 99.5% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 50,459 psi | 86% | 2769 fps | 98.5% |
| Hodgdon H414 | <<locked>> | 84% | 51,126 psi | 87% | 2733 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 82% | 50,720 psi | 86% | 2694 fps | 98.9% |
| Hodgdon H4831 | <<locked>> | 92% | 51,300 psi | 87% | 2726 fps | 97.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 50,256 psi | 86% | 2710 fps | 97% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 50,604 psi | 86% | 2667 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 50,125 psi | 85% | 2874 fps | 99.5% |
| Hodgdon Superformance | <<locked>> | 84% | 50,908 psi | 87% | 2766 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,854 psi | 63% | 1709 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 50,430 psi | 86% | 2674 fps | 99.3% |
| IMR 4451 Enduron | <<locked>> | 82% | 50,705 psi | 86% | 2661 fps | 99.5% |
| IMR 4831 | <<locked>> | 86% | 49,937 psi | 85% | 2680 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 52,910 psi | 90% | 2720 fps | 97.7% |
| IMR 7828 SSC | <<locked>> | 96% | 52,707 psi | 90% | 2822 fps | 98.2% |
| Lovex S065 | <<locked>> | 84% | 51,053 psi | 87% | 2657 fps | 99.9% |
| Lovex S070 | <<locked>> | 86% | 52,446 psi | 89% | 2703 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 52,388 psi | 89% | 2720 fps | 100% |
| Norma 204 | <<locked>> | 86% | 50,792 psi | 86% | 2717 fps | 98.6% |
| Norma 217ᴾ | <<locked>> | 100% | 36,230 psi | 62% | 2566 fps | 96.5% |
| Norma MRP | <<locked>> | 92% | 50,691 psi | 86% | 2805 fps | 99.6% |
| Norma URP | <<locked>> | 86% | 51,590 psi | 88% | 2723 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 49,327 psi | 84% | 2776 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 86% | 50,314 psi | 86% | 2723 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 98% | 51,068 psi | 87% | 2776 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,826 psi | 64% | 1755 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 52,837 psi | 90% | 2762 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 50,836 psi | 87% | 2782 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 50,488 psi | 86% | 2871 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 90% | 51,735 psi | 88% | 2707 fps | 97.9% |
| Rottweil R 905 | <<locked>> | 92% | 52,460 psi | 89% | 2762 fps | 99.1% |
| Rottweil R 907 | <<locked>> | 84% | 52,417 psi | 89% | 2687 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 84% | 51,053 psi | 87% | 2657 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 86% | 52,446 psi | 89% | 2703 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 50,256 psi | 86% | 2612 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 52,025 psi | 89% | 2759 fps | 99% |
| Somchem S361 | <<locked>> | 90% | 52,997 psi | 90% | 2700 fps | 97.5% |
| Somchem S365 | <<locked>> | 88% | 51,532 psi | 88% | 2726 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 53,040 psi | 90% | 2740 fps | 99.5% |
| Vihtavuori N150 | <<locked>> | 82% | 50,966 psi | 87% | 2612 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 50,024 psi | 85% | 2664 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 52,576 psi | 90% | 2720 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 86% | 52,504 psi | 89% | 2720 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 50,966 psi | 87% | 2740 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 50,705 psi | 86% | 2799 fps | 97.4% |
| Vihtavuori N565 | <<locked>> | 98% | 50,198 psi | 85% | 2772 fps | 97.5% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 52,823 psi | 90% | 2680 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 51,387 psi | 87% | 2736 fps | 99.7% |
| Winchester StaBALL HD | <<locked>> | 98% | 52,417 psi | 89% | 2894 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 52,953 psi | 90% | 2736 fps | 99% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 31,995 psi | 54% | 2329 fps | 96.3% |
| Accurate 4350 | <<locked>> | 80% | 43,105 psi | 73% | 2579 fps | 99.9% |
| Accurate High Country | <<locked>> | 84% | 39,755 psi | 68% | 2598 fps | 95.1% |
| Accurate MAGPRO | <<locked>> | 90% | 46,282 psi | 79% | 2720 fps | 95.6% |
| ADI AR 2209 | <<locked>> | 82% | 38,551 psi | 66% | 2507 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 88% | 41,945 psi | 71% | 2608 fps | 95.4% |
| ADI AR 2217 | <<locked>> | 98% | 42,931 psi | 73% | 2625 fps | 96% |
| ADI AR 2225 | <<locked>> | 94% | 33,605 psi | 57% | 2467 fps | 95.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,524 psi | 71% | 2585 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,703 psi | 81% | 2700 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 38,522 psi | 66% | 2503 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 84% | 36,535 psi | 62% | 2500 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 30,792 psi | 52% | 2362 fps | 99.1% |
| Alliant Reloder-25 | <<locked>> | 82% | 28,703 psi | 49% | 2320 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 33,228 psi | 57% | 2484 fps | 98.2% |
| Bofors RP15 | <<locked>> | 86% | 36,274 psi | 62% | 2493 fps | 95% |
| Bofors RP30 | <<locked>> | 94% | 38,624 psi | 66% | 2579 fps | 95.2% |
| Bofors RP5 | <<locked>> | 84% | 36,535 psi | 62% | 2500 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 46,369 psi | 79% | 2582 fps | 98.7% |
| Hodgdon H1000 | <<locked>> | 92% | 38,595 psi | 66% | 2533 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 80% | 44,904 psi | 76% | 2625 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 80% | 47,587 psi | 81% | 2641 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 44,904 psi | 76% | 2615 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 88% | 44,005 psi | 75% | 2598 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,015 psi | 66% | 2474 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 36,201 psi | 62% | 2566 fps | 95.6% |
| Hodgdon Superformance | <<locked>> | 80% | 44,106 psi | 75% | 2644 fps | 98.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,731 psi | 47% | 1529 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,713 psi | 71% | 2516 fps | 97.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 47,630 psi | 81% | 2608 fps | 99.2% |
| IMR 4831 | <<locked>> | 80% | 41,220 psi | 70% | 2530 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 86% | 43,801 psi | 75% | 2559 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 88% | 40,393 psi | 69% | 2589 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 45,252 psi | 77% | 2562 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 43,598 psi | 74% | 2552 fps | 98.8% |
| Lovex S071 | <<locked>> | 82% | 29,414 psi | 50% | 2264 fps | 95.2% |
| Norma 204 | <<locked>> | 80% | 41,495 psi | 71% | 2549 fps | 96.6% |
| Norma 217 | <<locked>> | 98% | 33,895 psi | 58% | 2507 fps | 95.4% |
| Norma MRP | <<locked>> | 80% | 33,330 psi | 57% | 2451 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 42,583 psi | 72% | 2569 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 39,943 psi | 68% | 2592 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 41,249 psi | 70% | 2559 fps | 98.8% |
| Ramshot Magnum | <<locked>> | 88% | 35,592 psi | 61% | 2477 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,253 psi | 48% | 1565 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 42,960 psi | 73% | 2595 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,263 psi | 70% | 2608 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,025 psi | 56% | 2480 fps | 95.3% |
| Rottweil R 904 | <<locked>> | 82% | 40,103 psi | 68% | 2490 fps | 95% |
| Rottweil R 905 | <<locked>> | 82% | 37,768 psi | 64% | 2490 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 46,369 psi | 79% | 2582 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,252 psi | 77% | 2562 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 43,598 psi | 74% | 2552 fps | 98.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,150 psi | 75% | 2507 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 37,434 psi | 64% | 2484 fps | 95.6% |
| Somchem S361 | <<locked>> | 84% | 43,569 psi | 74% | 2536 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 39,204 psi | 67% | 2526 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 35,984 psi | 61% | 2421 fps | 96.1% |
| Vihtavuori N150 | <<locked>> | 80% | 48,008 psi | 82% | 2569 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 43,845 psi | 75% | 2562 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 35,433 psi | 60% | 2405 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 43,395 psi | 74% | 2569 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 34,447 psi | 59% | 2434 fps | 99.1% |
| Vihtavuori N560 | <<locked>> | 88% | 44,222 psi | 75% | 2677 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 92% | 40,944 psi | 70% | 2602 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 42,917 psi | 73% | 2530 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 44,904 psi | 76% | 2625 fps | 98.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,253 psi | 46% | 2362 fps | 99.1% |
| Winchester Supreme 780 | <<locked>> | 84% | 37,608 psi | 64% | 2457 fps | 95.5% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 68 powders for 7 x 61 S&H (Super) loaded with the .284 | 168gr | Sierra MatchKing. Winchester StaBALL HD delivers the highest muzzle velocity at 2,894 fps; across all powders the maximum-charge window runs from 1,709 fps to 2,894 fps. ADI AR 2217 gives the best case fill at 100 %, and 68 of the 68 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 168.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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.