Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 175gr | Sierra GameKing bullet and 70 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% | 52,576 psi | 90% | 2667 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 50,691 psi | 86% | 2648 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 50,415 psi | 86% | 2753 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 92% | 50,850 psi | 87% | 2749 fps | 97.2% |
| ADI AR 2209 | <<locked>> | 90% | 51,329 psi | 87% | 2697 fps | 99% |
| ADI AR 2213 | <<locked>> | 94% | 52,634 psi | 90% | 2756 fps | 98.4% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,079 psi | 80% | 2657 fps | 97.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,756 psi | 71% | 2618 fps | 99.1% |
| Alliant Reloder-16 | <<locked>> | 86% | 51,547 psi | 88% | 2703 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 52,460 psi | 89% | 2713 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 50,981 psi | 87% | 2687 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 94% | 52,504 psi | 89% | 2753 fps | 99.3% |
| Alliant Reloder-23 | <<locked>> | 94% | 50,111 psi | 85% | 2680 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,605 psi | 90% | 2785 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 49,705 psi | 85% | 2756 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 51,474 psi | 88% | 2736 fps | 99.1% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,718 psi | 83% | 2723 fps | 98.3% |
| Bofors RP5 | <<locked>> | 94% | 52,504 psi | 89% | 2753 fps | 99.3% |
| Bofors RP7 | <<locked>> | 82% | 50,125 psi | 85% | 2595 fps | 99.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,808 psi | 88% | 2743 fps | 99% |
| Hodgdon H414 | <<locked>> | 84% | 52,417 psi | 89% | 2697 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 82% | 51,793 psi | 88% | 2657 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 92% | 52,750 psi | 90% | 2700 fps | 97.9% |
| Hodgdon H4831 SC | <<locked>> | 92% | 51,663 psi | 88% | 2684 fps | 97.7% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 51,880 psi | 88% | 2631 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,561 psi | 88% | 2844 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 84% | 52,446 psi | 89% | 2733 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,985 psi | 63% | 1673 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 51,590 psi | 88% | 2638 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 82% | 51,692 psi | 88% | 2621 fps | 99.7% |
| IMR 4831 | <<locked>> | 86% | 51,169 psi | 87% | 2644 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 50,618 psi | 86% | 2631 fps | 97.6% |
| IMR 7828 SSC | <<locked>> | 94% | 50,517 psi | 86% | 2733 fps | 98.2% |
| Lovex S065 | <<locked>> | 84% | 52,112 psi | 89% | 2621 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 50,343 psi | 86% | 2618 fps | 99.8% |
| Lovex S071 | <<locked>> | 98% | 50,430 psi | 86% | 2638 fps | 100% |
| Norma 204 | <<locked>> | 86% | 52,112 psi | 89% | 2687 fps | 99% |
| Norma 217ᴾ | <<locked>> | 100% | 37,347 psi | 64% | 2549 fps | 97.4% |
| Norma MRP | <<locked>> | 92% | 52,098 psi | 89% | 2772 fps | 99.9% |
| Norma URP | <<locked>> | 86% | 52,837 psi | 90% | 2684 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 50,705 psi | 86% | 2749 fps | 98.5% |
| Ramshot Hunter | <<locked>> | 86% | 51,619 psi | 88% | 2690 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 52,707 psi | 90% | 2746 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,739 psi | 64% | 1713 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 50,618 psi | 86% | 2671 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 52,330 psi | 89% | 2749 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 51,822 psi | 88% | 2841 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 46,862 psi | 80% | 2730 fps | 96.5% |
| Rottweil R 904 | <<locked>> | 90% | 52,750 psi | 90% | 2671 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 90% | 50,473 psi | 86% | 2677 fps | 99.1% |
| Rottweil R 907 | <<locked>> | 82% | 50,125 psi | 85% | 2595 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 84% | 52,112 psi | 89% | 2621 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 50,343 psi | 86% | 2618 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 51,285 psi | 87% | 2575 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 50,053 psi | 85% | 2674 fps | 99% |
| Somchem S361 | <<locked>> | 88% | 50,618 psi | 86% | 2612 fps | 97.4% |
| Somchem S365 | <<locked>> | 88% | 53,040 psi | 90% | 2690 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 51,097 psi | 87% | 2657 fps | 99.5% |
| Vihtavuori N150 | <<locked>> | 82% | 52,040 psi | 89% | 2572 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 51,184 psi | 87% | 2628 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 50,386 psi | 86% | 2638 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 84% | 50,473 psi | 86% | 2635 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 52,475 psi | 89% | 2707 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 52,040 psi | 89% | 2766 fps | 98% |
| Vihtavuori N565 | <<locked>> | 98% | 51,706 psi | 88% | 2746 fps | 98.2% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 48,240 psi | 82% | 2736 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 50,314 psi | 86% | 2592 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 52,663 psi | 90% | 2703 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 96% | 50,212 psi | 85% | 2802 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 50,705 psi | 86% | 2651 fps | 98.9% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 32,909 psi | 56% | 2306 fps | 97.1% |
| Accurate 4350 | <<locked>> | 80% | 44,193 psi | 75% | 2543 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 38,087 psi | 65% | 2513 fps | 95% |
| Accurate MAGPRO | <<locked>> | 88% | 44,251 psi | 75% | 2631 fps | 95.5% |
| ADI AR 2209 | <<locked>> | 80% | 36,927 psi | 63% | 2421 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 86% | 40,292 psi | 69% | 2523 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 94% | 38,696 psi | 66% | 2487 fps | 95% |
| ADI AR 2225 | <<locked>> | 92% | 32,300 psi | 55% | 2388 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,482 psi | 72% | 2552 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,733 psi | 83% | 2661 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,927 psi | 63% | 2421 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 82% | 35,114 psi | 60% | 2421 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,604 psi | 54% | 2336 fps | 99.5% |
| Alliant Reloder-25 | <<locked>> | 80% | 27,572 psi | 47% | 2241 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,301 psi | 58% | 2461 fps | 98.9% |
| Bofors RP15 | <<locked>> | 86% | 37,304 psi | 64% | 2470 fps | 95.9% |
| Bofors RP30 | <<locked>> | 92% | 37,144 psi | 63% | 2500 fps | 95.1% |
| Bofors RP5 | <<locked>> | 82% | 35,114 psi | 60% | 2421 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 47,253 psi | 80% | 2549 fps | 99.1% |
| Hodgdon H1000 | <<locked>> | 90% | 36,970 psi | 63% | 2451 fps | 95% |
| Hodgdon H414 | <<locked>> | 80% | 45,992 psi | 78% | 2592 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 80% | 48,602 psi | 83% | 2605 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 86% | 42,931 psi | 73% | 2530 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 86% | 42,250 psi | 72% | 2516 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,176 psi | 68% | 2444 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 34,925 psi | 59% | 2490 fps | 95.6% |
| Hodgdon Superformance | <<locked>> | 80% | 45,150 psi | 77% | 2612 fps | 99% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,746 psi | 47% | 1496 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,598 psi | 73% | 2484 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,515 psi | 83% | 2569 fps | 99.5% |
| IMR 4831 | <<locked>> | 80% | 42,192 psi | 72% | 2493 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 84% | 42,047 psi | 72% | 2477 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 88% | 41,307 psi | 70% | 2559 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 46,122 psi | 79% | 2523 fps | 99.8% |
| Lovex S070 | <<locked>> | 80% | 44,498 psi | 76% | 2516 fps | 99.1% |
| Lovex S071 | <<locked>> | 80% | 28,355 psi | 48% | 2192 fps | 95.2% |
| Norma 204 | <<locked>> | 80% | 42,511 psi | 72% | 2520 fps | 97.2% |
| Norma 217 | <<locked>> | 96% | 32,851 psi | 56% | 2434 fps | 95.5% |
| Norma MRP | <<locked>> | 80% | 34,272 psi | 58% | 2428 fps | 96.5% |
| Norma URP | <<locked>> | 80% | 43,569 psi | 74% | 2536 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 38,247 psi | 65% | 2507 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 42,293 psi | 72% | 2530 fps | 99.2% |
| Ramshot Magnum | <<locked>> | 86% | 33,953 psi | 58% | 2392 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,282 psi | 48% | 1532 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,121 psi | 75% | 2566 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,351 psi | 72% | 2579 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 31,749 psi | 54% | 2402 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 43,482 psi | 74% | 2664 fps | 95.5% |
| Rottweil R 904 | <<locked>> | 82% | 41,017 psi | 70% | 2464 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 80% | 36,172 psi | 62% | 2405 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 47,253 psi | 80% | 2549 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,122 psi | 79% | 2523 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 80% | 44,498 psi | 76% | 2516 fps | 99.1% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,063 psi | 77% | 2474 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 35,868 psi | 61% | 2402 fps | 95.6% |
| Somchem S361 | <<locked>> | 82% | 41,553 psi | 71% | 2451 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 40,277 psi | 69% | 2490 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,869 psi | 63% | 2395 fps | 96.8% |
| Vihtavuori N150 | <<locked>> | 80% | 48,979 psi | 83% | 2530 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,860 psi | 76% | 2526 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 34,040 psi | 58% | 2326 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 44,208 psi | 75% | 2530 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 35,433 psi | 60% | 2405 fps | 99.5% |
| Vihtavuori N560 | <<locked>> | 86% | 42,438 psi | 72% | 2592 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 90% | 39,407 psi | 67% | 2520 fps | 95% |
| Vihtavuori N568 | <<locked>> | 98% | 45,078 psi | 77% | 2677 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,787 psi | 75% | 2493 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,992 psi | 78% | 2592 fps | 99.3% |
| Winchester StaBALL HD | <<locked>> | 80% | 28,021 psi | 48% | 2346 fps | 99.6% |
| Winchester Supreme 780 | <<locked>> | 82% | 35,926 psi | 61% | 2375 fps | 95.4% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 70 powders for 7 x 61 S&H (Super) loaded with the .284 | 175gr | Sierra GameKing. Hodgdon Retumbo delivers the highest muzzle velocity at 2,844 fps; across all powders the maximum-charge window runs from 1,673 fps to 2,844 fps. ADI AR 2217 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 63–90 %, leaving at least 10 % headroom. The 175.0 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.