Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 175gr | Sierra MatchKing bullet and 69 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% | 51,663 psi | 88% | 2651 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 49,850 psi | 85% | 2631 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 52,968 psi | 90% | 2792 fps | 98.6% |
| Accurate MAGPRO | <<locked>> | 92% | 50,024 psi | 85% | 2730 fps | 96.9% |
| ADI AR 2209 | <<locked>> | 90% | 50,618 psi | 86% | 2684 fps | 98.9% |
| ADI AR 2213 | <<locked>> | 94% | 51,779 psi | 88% | 2736 fps | 98.2% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 46,151 psi | 79% | 2635 fps | 97.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,104 psi | 70% | 2598 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 50,705 psi | 86% | 2684 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 51,590 psi | 88% | 2700 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 50,299 psi | 86% | 2674 fps | 98.9% |
| Alliant Reloder-22 | <<locked>> | 94% | 51,590 psi | 88% | 2736 fps | 99.2% |
| Alliant Reloder-23 | <<locked>> | 96% | 52,591 psi | 90% | 2713 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 51,779 psi | 88% | 2766 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 52,301 psi | 89% | 2792 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 50,575 psi | 86% | 2720 fps | 98.9% |
| Bofors RP30ᴾ | <<locked>> | 100% | 47,601 psi | 81% | 2703 fps | 98.1% |
| Bofors RP5 | <<locked>> | 94% | 51,590 psi | 88% | 2736 fps | 99.2% |
| Bofors RP7 | <<locked>> | 84% | 52,750 psi | 90% | 2635 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 50,778 psi | 86% | 2720 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 84% | 51,648 psi | 88% | 2684 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 82% | 51,082 psi | 87% | 2641 fps | 99.1% |
| Hodgdon H4831 | <<locked>> | 92% | 51,866 psi | 88% | 2680 fps | 97.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 50,778 psi | 86% | 2664 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 51,097 psi | 87% | 2618 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 50,749 psi | 86% | 2828 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 84% | 51,488 psi | 88% | 2713 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,970 psi | 63% | 1670 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 50,908 psi | 87% | 2625 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 82% | 50,995 psi | 87% | 2605 fps | 99.6% |
| IMR 4831 | <<locked>> | 86% | 50,401 psi | 86% | 2628 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 53,069 psi | 90% | 2667 fps | 98% |
| IMR 7828 SSC | <<locked>> | 96% | 52,939 psi | 90% | 2766 fps | 98.5% |
| Lovex S065 | <<locked>> | 84% | 51,387 psi | 87% | 2605 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 52,895 psi | 90% | 2654 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 52,750 psi | 90% | 2667 fps | 100% |
| Norma 204 | <<locked>> | 86% | 51,198 psi | 87% | 2667 fps | 98.8% |
| Norma 217ᴾ | <<locked>> | 100% | 36,463 psi | 62% | 2523 fps | 97% |
| Norma MRP | <<locked>> | 92% | 51,126 psi | 87% | 2756 fps | 99.8% |
| Norma URP | <<locked>> | 86% | 52,083 psi | 89% | 2671 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 49,864 psi | 85% | 2730 fps | 98.3% |
| Ramshot Hunter | <<locked>> | 86% | 50,691 psi | 86% | 2671 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 98% | 51,576 psi | 88% | 2726 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,739 psi | 64% | 1709 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 49,617 psi | 84% | 2654 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 51,372 psi | 87% | 2733 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 50,879 psi | 87% | 2822 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 45,934 psi | 78% | 2707 fps | 96.1% |
| Rottweil R 904 | <<locked>> | 90% | 52,098 psi | 89% | 2657 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 92% | 52,953 psi | 90% | 2713 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 84% | 52,750 psi | 90% | 2635 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 84% | 51,387 psi | 87% | 2605 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 52,895 psi | 90% | 2654 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 50,633 psi | 86% | 2562 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 52,576 psi | 90% | 2710 fps | 99.2% |
| Somchem S361 | <<locked>> | 88% | 50,111 psi | 85% | 2598 fps | 97.2% |
| Somchem S365 | <<locked>> | 88% | 51,924 psi | 88% | 2671 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 50,183 psi | 85% | 2638 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 82% | 51,532 psi | 88% | 2559 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 50,415 psi | 86% | 2612 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 52,997 psi | 90% | 2671 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 86% | 52,808 psi | 90% | 2664 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 51,474 psi | 88% | 2690 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 51,155 psi | 87% | 2746 fps | 97.8% |
| Vihtavuori N565 | <<locked>> | 98% | 50,575 psi | 86% | 2726 fps | 97.9% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 53,069 psi | 90% | 2625 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 51,648 psi | 88% | 2684 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 98% | 52,997 psi | 90% | 2838 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 49,835 psi | 85% | 2631 fps | 98.8% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 32,416 psi | 55% | 2293 fps | 96.9% |
| Accurate 4350 | <<locked>> | 80% | 43,627 psi | 74% | 2530 fps | 100% |
| Accurate High Country | <<locked>> | 84% | 40,074 psi | 68% | 2552 fps | 95.6% |
| Accurate MAGPRO | <<locked>> | 88% | 43,439 psi | 74% | 2612 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 36,477 psi | 62% | 2408 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 86% | 39,697 psi | 68% | 2507 fps | 95% |
| ADI AR 2217 | <<locked>> | 96% | 40,495 psi | 69% | 2520 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 92% | 31,879 psi | 54% | 2372 fps | 95.4% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,698 psi | 71% | 2533 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,892 psi | 82% | 2644 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,477 psi | 62% | 2408 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 84% | 36,956 psi | 63% | 2457 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,125 psi | 53% | 2320 fps | 99.4% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,051 psi | 49% | 2283 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 80% | 33,663 psi | 57% | 2444 fps | 98.7% |
| Bofors RP15 | <<locked>> | 86% | 36,651 psi | 62% | 2451 fps | 95.5% |
| Bofors RP30 | <<locked>> | 94% | 38,943 psi | 66% | 2536 fps | 95.7% |
| Bofors RP5 | <<locked>> | 84% | 36,956 psi | 63% | 2457 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 46,528 psi | 79% | 2533 fps | 98.9% |
| Hodgdon H1000 | <<locked>> | 92% | 38,841 psi | 66% | 2490 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 45,252 psi | 77% | 2575 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 80% | 47,863 psi | 81% | 2589 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 86% | 42,308 psi | 72% | 2513 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 86% | 41,640 psi | 71% | 2500 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,392 psi | 67% | 2428 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 34,243 psi | 58% | 2464 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 44,454 psi | 76% | 2598 fps | 98.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,615 psi | 47% | 1486 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,119 psi | 72% | 2470 fps | 98.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,037 psi | 82% | 2559 fps | 99.4% |
| IMR 4831 | <<locked>> | 80% | 41,452 psi | 71% | 2480 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 84% | 41,437 psi | 71% | 2461 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 88% | 40,698 psi | 69% | 2543 fps | 95.5% |
| Lovex S065 | <<locked>> | 80% | 45,629 psi | 78% | 2510 fps | 99.7% |
| Lovex S070 | <<locked>> | 80% | 43,801 psi | 75% | 2500 fps | 99% |
| Lovex S071 | <<locked>> | 82% | 29,733 psi | 51% | 2228 fps | 95.8% |
| Norma 204 | <<locked>> | 80% | 41,829 psi | 71% | 2500 fps | 97% |
| Norma 217 | <<locked>> | 96% | 32,198 psi | 55% | 2415 fps | 95% |
| Norma MRP | <<locked>> | 80% | 33,678 psi | 57% | 2408 fps | 96.1% |
| Norma URP | <<locked>> | 80% | 42,815 psi | 73% | 2516 fps | 99.9% |
| Ramshot Grand | <<locked>> | 88% | 40,350 psi | 69% | 2549 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 41,582 psi | 71% | 2513 fps | 99.1% |
| Ramshot Magnum | <<locked>> | 86% | 33,446 psi | 57% | 2375 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,355 psi | 48% | 1526 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,366 psi | 74% | 2549 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,684 psi | 71% | 2566 fps | 99.8% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,417 psi | 57% | 2444 fps | 96.1% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 42,598 psi | 73% | 2641 fps | 95% |
| Rottweil R 904 | <<locked>> | 82% | 40,364 psi | 69% | 2444 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 80% | 35,679 psi | 61% | 2392 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 46,528 psi | 79% | 2533 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,629 psi | 78% | 2510 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 80% | 43,801 psi | 75% | 2500 fps | 99% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,599 psi | 76% | 2464 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 35,389 psi | 60% | 2385 fps | 95.3% |
| Somchem S361 | <<locked>> | 84% | 43,903 psi | 75% | 2490 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 39,682 psi | 68% | 2480 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,245 psi | 62% | 2375 fps | 96.5% |
| Vihtavuori N150 | <<locked>> | 80% | 48,225 psi | 82% | 2513 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,324 psi | 75% | 2513 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 33,431 psi | 57% | 2310 fps | 95.1% |
| Vihtavuori N550 | <<locked>> | 80% | 43,685 psi | 74% | 2520 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 34,882 psi | 59% | 2392 fps | 99.3% |
| Vihtavuori N560 | <<locked>> | 86% | 41,597 psi | 71% | 2572 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 92% | 41,307 psi | 70% | 2556 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,120 psi | 73% | 2477 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,252 psi | 77% | 2575 fps | 99.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,499 psi | 47% | 2326 fps | 99.4% |
| Winchester Supreme 780 | <<locked>> | 82% | 35,317 psi | 60% | 2359 fps | 95.1% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 69 powders for 7 x 61 S&H (Super) loaded with the .284 | 175gr | Sierra MatchKing. Winchester StaBALL HD delivers the highest muzzle velocity at 2,838 fps; across all powders the maximum-charge window runs from 1,670 fps to 2,838 fps. ADI AR 2217 gives the best case fill at 100 %, and 69 of the 69 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 175.0 gr projectile in 0.284" calls for a 1:10.0 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.