Load Specifications
Load data in caliber 7 x 61 S&H (Super) with .284 | 155gr | Geco EXPRESS bullet and 72 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.
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>> | 96% | 51,358 psi | 87% | 2805 fps | 99.7% |
| Accurate 4350 | <<locked>> | 86% | 49,734 psi | 85% | 2795 fps | 100% |
| Accurate High Country | <<locked>> | 94% | 52,518 psi | 89% | 2943 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 52,083 psi | 89% | 2769 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 50,618 psi | 86% | 2838 fps | 98% |
| ADI AR 2213 | <<locked>> | 96% | 51,735 psi | 88% | 2887 fps | 97% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 38,203 psi | 65% | 2664 fps | 96.6% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 50,792 psi | 86% | 2835 fps | 98% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 53,011 psi | 90% | 2792 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 50,633 psi | 86% | 2854 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 51,474 psi | 88% | 2871 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 50,169 psi | 85% | 2825 fps | 97.9% |
| Alliant Reloder-22 | <<locked>> | 96% | 51,140 psi | 87% | 2887 fps | 98.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 51,851 psi | 88% | 2871 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 48,066 psi | 82% | 2864 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 94% | 51,721 psi | 88% | 2953 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 50,169 psi | 85% | 2871 fps | 98% |
| Bofors RP5 | <<locked>> | 96% | 51,140 psi | 87% | 2887 fps | 98.3% |
| Bofors RP7 | <<locked>> | 84% | 49,995 psi | 85% | 2746 fps | 98.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 47,558 psi | 81% | 2805 fps | 96.9% |
| Hodgdon H414 | <<locked>> | 86% | 51,793 psi | 88% | 2844 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 84% | 51,329 psi | 87% | 2805 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 94% | 51,880 psi | 88% | 2835 fps | 96.4% |
| Hodgdon H4831 SC | <<locked>> | 94% | 50,821 psi | 87% | 2815 fps | 96.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 50,995 psi | 87% | 2782 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 47,007 psi | 80% | 2907 fps | 98.2% |
| Hodgdon Superformance | <<locked>> | 86% | 51,503 psi | 88% | 2874 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,753 psi | 63% | 1778 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 51,010 psi | 87% | 2782 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 51,314 psi | 87% | 2769 fps | 99.1% |
| IMR 4831 | <<locked>> | 88% | 50,256 psi | 86% | 2789 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 50,227 psi | 86% | 2769 fps | 96.2% |
| IMR 7828 SSC | <<locked>> | 98% | 52,881 psi | 90% | 2920 fps | 97.4% |
| Lovex S065 | <<locked>> | 86% | 51,779 psi | 88% | 2772 fps | 99.8% |
| Lovex S070 | <<locked>> | 88% | 53,040 psi | 90% | 2815 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 49,023 psi | 83% | 2769 fps | 99.5% |
| Norma 204 | <<locked>> | 88% | 51,517 psi | 88% | 2828 fps | 98% |
| Norma MRP | <<locked>> | 94% | 50,691 psi | 86% | 2910 fps | 99.2% |
| Norma URP | <<locked>> | 88% | 52,025 psi | 89% | 2835 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 49,632 psi | 84% | 2877 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 88% | 50,836 psi | 87% | 2835 fps | 99.6% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 51,169 psi | 87% | 2874 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,434 psi | 64% | 1821 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 50,836 psi | 87% | 2861 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 52,953 psi | 90% | 2871 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 51,256 psi | 87% | 2894 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 47,181 psi | 80% | 2904 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 82% | 50,647 psi | 86% | 2756 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 52,286 psi | 89% | 2812 fps | 97.2% |
| Rottweil R 905 | <<locked>> | 94% | 52,721 psi | 90% | 2867 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 84% | 49,995 psi | 85% | 2746 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 86% | 51,779 psi | 88% | 2772 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 88% | 53,040 psi | 90% | 2815 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 51,909 psi | 88% | 2812 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 51,430 psi | 88% | 2644 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 50,995 psi | 87% | 2720 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 52,272 psi | 89% | 2864 fps | 98.4% |
| Somchem S355 | <<locked>> | 82% | 50,604 psi | 86% | 2749 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 50,154 psi | 85% | 2746 fps | 96% |
| Somchem S365 | <<locked>> | 90% | 51,619 psi | 88% | 2838 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 50,198 psi | 85% | 2792 fps | 98.7% |
| Vihtavuori N150 | <<locked>> | 84% | 51,735 psi | 88% | 2726 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 50,502 psi | 86% | 2776 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 52,736 psi | 90% | 2822 fps | 98.8% |
| Vihtavuori N550 | <<locked>> | 88% | 52,924 psi | 90% | 2831 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 50,966 psi | 87% | 2848 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 50,923 psi | 87% | 2900 fps | 96.5% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 50,125 psi | 85% | 2871 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 49,821 psi | 85% | 2740 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 51,793 psi | 88% | 2844 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 51,648 psi | 88% | 3002 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 49,763 psi | 85% | 2779 fps | 97.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 82% | 32,024 psi | 55% | 2418 fps | 95.3% |
| Accurate 4350 | <<locked>> | 80% | 40,524 psi | 69% | 2625 fps | 99.2% |
| Accurate High Country | <<locked>> | 90% | 45,774 psi | 78% | 2818 fps | 96% |
| ADI AR 2208 | <<locked>> | 80% | 48,878 psi | 83% | 2717 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 41,582 psi | 71% | 2664 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 92% | 45,339 psi | 77% | 2769 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 35,897 psi | 61% | 2605 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 41,814 psi | 71% | 2664 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,748 psi | 85% | 2740 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 39,030 psi | 66% | 2631 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,541 psi | 76% | 2753 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 41,379 psi | 70% | 2657 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 39,088 psi | 67% | 2651 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,790 psi | 49% | 2392 fps | 97.7% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,690 psi | 52% | 2457 fps | 95.1% |
| Alliant Reloder-26 | 56.1 gr | 80% | 30,980 psi | 53% | 2507 fps | 96.3% |
| Bofors RP15 | <<locked>> | 92% | 41,379 psi | 70% | 2700 fps | 95.7% |
| Bofors RP5 | <<locked>> | 88% | 39,088 psi | 67% | 2651 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 43,990 psi | 75% | 2631 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 98% | 44,266 psi | 75% | 2740 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 80% | 42,206 psi | 72% | 2667 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 80% | 44,976 psi | 77% | 2687 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 48,559 psi | 83% | 2776 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 47,558 psi | 81% | 2756 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,753 psi | 63% | 2526 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,566 psi | 66% | 2710 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 41,350 psi | 70% | 2687 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,485 psi | 47% | 1588 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,624 psi | 67% | 2562 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,513 psi | 77% | 2664 fps | 98.2% |
| IMR 4831 | <<locked>> | 80% | 38,696 psi | 66% | 2572 fps | 99% |
| IMR 4955 Enduron | <<locked>> | 90% | 47,166 psi | 80% | 2713 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 94% | 46,296 psi | 79% | 2802 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 42,888 psi | 73% | 2612 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 41,234 psi | 70% | 2598 fps | 97.5% |
| Lovex S071 | <<locked>> | 88% | 33,388 psi | 57% | 2451 fps | 95.9% |
| Norma 204 | <<locked>> | 82% | 41,901 psi | 71% | 2648 fps | 95.6% |
| Norma MRP | 57.2 gr | 84% | 35,795 psi | 61% | 2602 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 40,001 psi | 68% | 2615 fps | 99.1% |
| Ramshot Grand | <<locked>> | 92% | 43,047 psi | 73% | 2746 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 38,899 psi | 66% | 2605 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 38,218 psi | 65% | 2621 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,963 psi | 48% | 1627 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 47,282 psi | 80% | 2802 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 40,321 psi | 69% | 2644 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,827 psi | 66% | 2651 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,607 psi | 61% | 2631 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 80% | 47,427 psi | 81% | 2703 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 45,948 psi | 78% | 2700 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 40,582 psi | 69% | 2641 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 43,990 psi | 75% | 2631 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,888 psi | 73% | 2612 fps | 98.8% |
| Shooters World SW4350 | <<locked>> | 80% | 41,234 psi | 70% | 2598 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,689 psi | 83% | 2759 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,196 psi | 82% | 2598 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,061 psi | 72% | 2559 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 40,219 psi | 68% | 2638 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 47,485 psi | 81% | 2697 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,934 psi | 80% | 2687 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 36,637 psi | 62% | 2575 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,172 psi | 62% | 2513 fps | 95.1% |
| Vihtavuori N150 | <<locked>> | 80% | 45,469 psi | 77% | 2628 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,495 psi | 71% | 2615 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 37,985 psi | 65% | 2549 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 40,857 psi | 70% | 2615 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 32,184 psi | 55% | 2470 fps | 97.7% |
| Vihtavuori N560 | 62.6 gr | 92% | 47,442 psi | 81% | 2835 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 98% | 46,905 psi | 80% | 2812 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,524 psi | 69% | 2582 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,409 psi | 72% | 2674 fps | 97.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,527 psi | 43% | 2372 fps | 96.9% |
| Winchester Supreme 780 | <<locked>> | 88% | 40,422 psi | 69% | 2608 fps | 95.4% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 72 powders for 7 x 61 S&H (Super) loaded with the .284 | 155gr | Geco EXPRESS. Winchester StaBALL HD delivers the highest muzzle velocity at 3,002 fps; across all powders the maximum-charge window runs from 1,778 fps to 3,002 fps. ADI AR 2225 gives the best case fill at 100 %, and 72 of the 72 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 155.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, 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. Norma MRP, Vihtavuori N560, Alliant Reloder-26 rank at the top here: for 7 x 61 S&H (Super) with the .284 | 155gr | Geco EXPRESS they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.