Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .285 | 173gr | Prvi Partizan SP 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>> | 92% | 50,459 psi | 86% | 2657 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 51,793 psi | 88% | 2687 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 51,430 psi | 88% | 2789 fps | 98.5% |
| Accurate MAGPRO | <<locked>> | 92% | 52,257 psi | 89% | 2792 fps | 97.5% |
| ADI AR 2209 | <<locked>> | 90% | 52,402 psi | 89% | 2736 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 92% | 50,125 psi | 85% | 2736 fps | 98% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,240 psi | 82% | 2700 fps | 98% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 42,757 psi | 73% | 2657 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 86% | 52,663 psi | 90% | 2736 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 52,243 psi | 89% | 2730 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 50,154 psi | 85% | 2736 fps | 99% |
| Alliant Reloder-23 | <<locked>> | 94% | 51,517 psi | 88% | 2720 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 50,589 psi | 86% | 2772 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 51,068 psi | 87% | 2792 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 52,736 psi | 90% | 2776 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,140 psi | 85% | 2766 fps | 98.6% |
| Bofors RP5 | <<locked>> | 92% | 50,154 psi | 85% | 2736 fps | 99% |
| Bofors RP7 | <<locked>> | 82% | 51,198 psi | 87% | 2635 fps | 99.5% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,982 psi | 90% | 2779 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 82% | 50,096 psi | 85% | 2684 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 82% | 52,794 psi | 90% | 2697 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 90% | 50,270 psi | 86% | 2680 fps | 97.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 52,591 psi | 90% | 2717 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 52,939 psi | 90% | 2667 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 52,866 psi | 90% | 2887 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 82% | 49,850 psi | 85% | 2713 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,159 psi | 63% | 1699 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 52,489 psi | 89% | 2674 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 52,431 psi | 89% | 2657 fps | 99.8% |
| IMR 4831 | <<locked>> | 86% | 52,417 psi | 89% | 2680 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 51,547 psi | 88% | 2667 fps | 97.8% |
| IMR 7828 SSC | <<locked>> | 94% | 51,706 psi | 88% | 2776 fps | 98.4% |
| Lovex S065 | <<locked>> | 84% | 53,098 psi | 90% | 2657 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 51,314 psi | 87% | 2651 fps | 99.8% |
| Lovex S071 | <<locked>> | 98% | 51,503 psi | 88% | 2674 fps | 100% |
| Norma 204 | <<locked>> | 84% | 49,647 psi | 85% | 2667 fps | 98.7% |
| Norma 217ᴾ | <<locked>> | 100% | 38,493 psi | 66% | 2589 fps | 97.8% |
| Norma MRP | <<locked>> | 90% | 49,734 psi | 85% | 2756 fps | 99.7% |
| Norma URP | <<locked>> | 84% | 50,560 psi | 86% | 2671 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 52,141 psi | 89% | 2792 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 86% | 52,736 psi | 90% | 2726 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 50,082 psi | 85% | 2726 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,927 psi | 65% | 1736 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 51,837 psi | 88% | 2710 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 49,806 psi | 85% | 2730 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 49,763 psi | 85% | 2828 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 48,385 psi | 82% | 2772 fps | 96.9% |
| Rottweil R 904 | <<locked>> | 88% | 50,488 psi | 86% | 2657 fps | 98.1% |
| Rottweil R 905 | <<locked>> | 90% | 51,576 psi | 88% | 2717 fps | 99.2% |
| Rottweil R 907 | <<locked>> | 82% | 51,198 psi | 87% | 2635 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 84% | 53,098 psi | 90% | 2657 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 51,314 psi | 87% | 2651 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 52,185 psi | 89% | 2612 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 51,169 psi | 87% | 2710 fps | 99.2% |
| Somchem S361 | <<locked>> | 88% | 51,663 psi | 88% | 2648 fps | 97.6% |
| Somchem S365 | <<locked>> | 86% | 50,647 psi | 86% | 2674 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 52,098 psi | 89% | 2694 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 82% | 53,098 psi | 90% | 2605 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 52,185 psi | 89% | 2664 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 51,561 psi | 88% | 2674 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 84% | 51,416 psi | 88% | 2667 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 50,372 psi | 86% | 2694 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 49,676 psi | 85% | 2746 fps | 97.6% |
| Vihtavuori N565 | <<locked>> | 98% | 52,997 psi | 90% | 2789 fps | 98.4% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 49,603 psi | 84% | 2779 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 51,343 psi | 87% | 2625 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 50,328 psi | 86% | 2687 fps | 99.7% |
| Winchester StaBALL HD | <<locked>> | 96% | 52,040 psi | 89% | 2841 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 51,880 psi | 88% | 2687 fps | 99.1% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 33,808 psi | 58% | 2343 fps | 97.4% |
| Accurate 4350 | <<locked>> | 80% | 45,339 psi | 77% | 2582 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 38,957 psi | 66% | 2549 fps | 95.3% |
| Accurate MAGPRO | <<locked>> | 86% | 42,395 psi | 72% | 2612 fps | 95% |
| ADI AR 2209 | <<locked>> | 80% | 37,811 psi | 64% | 2461 fps | 96% |
| ADI AR 2213 | <<locked>> | 86% | 41,046 psi | 70% | 2562 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 94% | 39,407 psi | 67% | 2523 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 90% | 31,154 psi | 53% | 2372 fps | 95.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,424 psi | 74% | 2589 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,869 psi | 64% | 2461 fps | 96.1% |
| Alliant Reloder-22 | <<locked>> | 82% | 35,998 psi | 61% | 2457 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,343 psi | 55% | 2369 fps | 99.6% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,297 psi | 48% | 2280 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,172 psi | 60% | 2497 fps | 99.1% |
| Bofors RP15 | <<locked>> | 84% | 35,752 psi | 61% | 2451 fps | 95.3% |
| Bofors RP30 | <<locked>> | 92% | 38,218 psi | 65% | 2539 fps | 95.5% |
| Bofors RP5 | <<locked>> | 82% | 35,998 psi | 61% | 2457 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 48,066 psi | 82% | 2585 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 37,739 psi | 64% | 2487 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 46,789 psi | 80% | 2625 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 49,371 psi | 84% | 2641 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 41,147 psi | 70% | 2513 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,047 psi | 73% | 2549 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,872 psi | 70% | 2474 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 35,781 psi | 61% | 2530 fps | 96.1% |
| Hodgdon Superformance | <<locked>> | 80% | 46,238 psi | 79% | 2651 fps | 99.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,760 psi | 47% | 1512 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,555 psi | 74% | 2520 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,313 psi | 84% | 2605 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 43,076 psi | 73% | 2530 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 42,859 psi | 73% | 2513 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 86% | 39,581 psi | 67% | 2539 fps | 95.2% |
| Lovex S065 | <<locked>> | 80% | 46,949 psi | 80% | 2559 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 45,339 psi | 77% | 2552 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 29,109 psi | 50% | 2224 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 43,439 psi | 74% | 2556 fps | 97.5% |
| Norma 217 | <<locked>> | 96% | 33,750 psi | 57% | 2474 fps | 95.9% |
| Norma MRP | <<locked>> | 80% | 35,128 psi | 60% | 2464 fps | 96.7% |
| Norma URP | <<locked>> | 80% | 44,425 psi | 76% | 2569 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 39,175 psi | 67% | 2546 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 80% | 43,250 psi | 74% | 2566 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 86% | 34,940 psi | 59% | 2431 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,500 psi | 49% | 1552 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,121 psi | 77% | 2602 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,279 psi | 74% | 2615 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,445 psi | 55% | 2438 fps | 95.7% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 44,715 psi | 76% | 2707 fps | 95.9% |
| Rottweil R 904 | <<locked>> | 80% | 39,146 psi | 67% | 2441 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 80% | 37,144 psi | 63% | 2444 fps | 96% |
| Rottweil R 907 | <<locked>> | 80% | 48,066 psi | 82% | 2585 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,949 psi | 80% | 2559 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 45,339 psi | 77% | 2552 fps | 99.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,021 psi | 78% | 2513 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,854 psi | 63% | 2441 fps | 95.9% |
| Somchem S361 | <<locked>> | 82% | 42,438 psi | 72% | 2487 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 41,408 psi | 70% | 2526 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,594 psi | 64% | 2425 fps | 97% |
| Vihtavuori N150 | <<locked>> | 80% | 49,850 psi | 85% | 2559 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 45,934 psi | 78% | 2566 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 34,867 psi | 59% | 2362 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 45,165 psi | 77% | 2566 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,303 psi | 62% | 2438 fps | 99.6% |
| Vihtavuori N560 | <<locked>> | 84% | 40,495 psi | 69% | 2569 fps | 95% |
| Vihtavuori N565 | <<locked>> | 90% | 40,509 psi | 69% | 2559 fps | 95.4% |
| Vihtavuori N568 | <<locked>> | 98% | 46,195 psi | 79% | 2717 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,831 psi | 76% | 2526 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,007 psi | 80% | 2628 fps | 99.4% |
| Winchester StaBALL HD | <<locked>> | 80% | 28,732 psi | 49% | 2382 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 82% | 36,738 psi | 63% | 2408 fps | 95.7% |
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 .285 | 173gr | Prvi Partizan SP. Hodgdon Retumbo delivers the highest muzzle velocity at 2,887 fps; across all powders the maximum-charge window runs from 1,699 fps to 2,887 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 63–90 %, leaving at least 10 % headroom. The 173.0 gr projectile in 0.285" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Bofors RP30 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.