Load Specifications
Load data in caliber 7 x 75 R SE v. Hofe with .284 | 160gr | Sierra GameKing bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Norma MRP and Vihtavuori N560.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 52,170 psi | 87% | 2822 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 53,780 psi | 89% | 2858 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 54,244 psi | 90% | 2966 fps | 97.7% |
| ADI AR 2209 | <<locked>> | 92% | 54,433 psi | 90% | 2910 fps | 99.3% |
| ADI AR 2213 | <<locked>> | 94% | 52,156 psi | 87% | 2907 fps | 98.2% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 46,601 psi | 77% | 2799 fps | 97.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,379 psi | 69% | 2759 fps | 98.9% |
| Alliant Reloder-16 | <<locked>> | 86% | 50,995 psi | 85% | 2858 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 51,953 psi | 86% | 2871 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 53,882 psi | 90% | 2897 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 94% | 52,025 psi | 86% | 2907 fps | 99.1% |
| Alliant Reloder-23 | <<locked>> | 96% | 52,924 psi | 88% | 2884 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,228 psi | 87% | 2940 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 52,953 psi | 88% | 2969 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 50,995 psi | 85% | 2887 fps | 98.9% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,051 psi | 80% | 2871 fps | 98% |
| Bofors RP5 | <<locked>> | 94% | 52,025 psi | 86% | 2907 fps | 99.1% |
| Bofors RP7 | <<locked>> | 84% | 52,924 psi | 88% | 2799 fps | 99.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,329 psi | 85% | 2890 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 84% | 51,938 psi | 86% | 2854 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 82% | 51,184 psi | 85% | 2805 fps | 99% |
| Hodgdon H4831 | <<locked>> | 92% | 52,127 psi | 87% | 2848 fps | 97.5% |
| Hodgdon H4831 SC | <<locked>> | 92% | 51,097 psi | 85% | 2831 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 51,503 psi | 86% | 2785 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,097 psi | 85% | 3002 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 84% | 51,851 psi | 86% | 2884 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,028 psi | 62% | 1788 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 54,404 psi | 90% | 2841 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,418 psi | 90% | 2825 fps | 99.8% |
| IMR 4831 | <<locked>> | 88% | 54,027 psi | 90% | 2844 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 53,577 psi | 89% | 2838 fps | 97.9% |
| IMR 7828 SSC | <<locked>> | 96% | 53,432 psi | 89% | 2943 fps | 98.5% |
| Lovex S065 | <<locked>> | 84% | 51,822 psi | 86% | 2776 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 53,084 psi | 88% | 2818 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,243 psi | 88% | 2835 fps | 100% |
| Norma 204 | <<locked>> | 86% | 51,677 psi | 86% | 2838 fps | 98.8% |
| Norma 217ᴾ | <<locked>> | 100% | 36,927 psi | 61% | 2684 fps | 97% |
| Norma MRP | <<locked>> | 92% | 51,459 psi | 85% | 2927 fps | 99.8% |
| Norma URP | <<locked>> | 86% | 52,272 psi | 87% | 2838 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,012 psi | 90% | 2963 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 86% | 51,227 psi | 85% | 2844 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 98% | 52,170 psi | 87% | 2897 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,739 psi | 63% | 1831 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 53,490 psi | 89% | 2877 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 51,895 psi | 86% | 2907 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 51,517 psi | 86% | 2999 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 46,470 psi | 77% | 2874 fps | 96.1% |
| Rottweil R 903 | <<locked>> | 82% | 54,027 psi | 90% | 2802 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 52,344 psi | 87% | 2822 fps | 98.2% |
| Rottweil R 905 | <<locked>> | 92% | 53,258 psi | 88% | 2881 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 84% | 52,924 psi | 88% | 2799 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 84% | 51,822 psi | 86% | 2776 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 53,084 psi | 88% | 2818 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,244 psi | 90% | 2680 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,331 psi | 90% | 2779 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 52,823 psi | 88% | 2877 fps | 99.2% |
| Somchem S355 | <<locked>> | 82% | 53,838 psi | 89% | 2795 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 53,621 psi | 89% | 2812 fps | 97.7% |
| Somchem S365 | <<locked>> | 88% | 52,388 psi | 87% | 2841 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 53,925 psi | 90% | 2858 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 82% | 51,605 psi | 86% | 2723 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 54,201 psi | 90% | 2831 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 53,316 psi | 89% | 2838 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 86% | 53,229 psi | 88% | 2835 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 51,895 psi | 86% | 2861 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 51,488 psi | 86% | 2917 fps | 97.7% |
| Vihtavuori N565 | <<locked>> | 98% | 51,198 psi | 85% | 2897 fps | 97.9% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 53,476 psi | 89% | 2792 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 51,938 psi | 86% | 2854 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 98% | 53,693 psi | 89% | 3018 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 53,664 psi | 89% | 2851 fps | 99.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 32,547 psi | 54% | 2438 fps | 96.7% |
| Accurate 4350 | <<locked>> | 80% | 43,801 psi | 73% | 2690 fps | 99.9% |
| Accurate MAGPRO | <<locked>> | 88% | 43,947 psi | 73% | 2779 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 36,622 psi | 61% | 2562 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 88% | 42,699 psi | 71% | 2726 fps | 95.9% |
| ADI AR 2217 | <<locked>> | 96% | 40,799 psi | 68% | 2680 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 92% | 32,140 psi | 53% | 2520 fps | 95.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,032 psi | 70% | 2700 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,225 psi | 80% | 2815 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,622 psi | 61% | 2559 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,086 psi | 62% | 2612 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,227 psi | 52% | 2467 fps | 99.3% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,095 psi | 48% | 2425 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 33,924 psi | 56% | 2595 fps | 98.6% |
| Bofors RP15 | <<locked>> | 86% | 36,811 psi | 61% | 2605 fps | 95.4% |
| Bofors RP30 | <<locked>> | 94% | 39,349 psi | 65% | 2694 fps | 95.6% |
| Bofors RP5 | <<locked>> | 84% | 37,086 psi | 62% | 2612 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 46,833 psi | 78% | 2694 fps | 98.8% |
| Hodgdon H1000 | <<locked>> | 92% | 39,102 psi | 65% | 2644 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 45,455 psi | 76% | 2740 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 80% | 48,153 psi | 80% | 2753 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 86% | 42,670 psi | 71% | 2674 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 88% | 44,802 psi | 74% | 2717 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,595 psi | 66% | 2582 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 34,461 psi | 57% | 2618 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 44,773 psi | 74% | 2759 fps | 98.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,688 psi | 46% | 1598 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,322 psi | 70% | 2628 fps | 98.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,066 psi | 80% | 2720 fps | 99.3% |
| IMR 4831 | <<locked>> | 80% | 41,684 psi | 69% | 2638 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 84% | 41,698 psi | 69% | 2618 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 88% | 40,959 psi | 68% | 2700 fps | 95.4% |
| Lovex S065 | <<locked>> | 80% | 45,745 psi | 76% | 2671 fps | 99.7% |
| Lovex S070 | <<locked>> | 80% | 44,048 psi | 73% | 2661 fps | 98.9% |
| Lovex S071 | <<locked>> | 82% | 29,892 psi | 50% | 2365 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 41,989 psi | 70% | 2657 fps | 96.9% |
| Norma 217 | <<locked>> | 98% | 34,650 psi | 58% | 2625 fps | 96% |
| Norma MRP | 56.6 gr | 80% | 33,736 psi | 56% | 2559 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 43,091 psi | 72% | 2680 fps | 99.9% |
| Ramshot Grand | <<locked>> | 88% | 40,611 psi | 67% | 2710 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 41,756 psi | 69% | 2671 fps | 99% |
| Ramshot Magnum | <<locked>> | 86% | 33,692 psi | 56% | 2523 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,195 psi | 47% | 1634 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,656 psi | 73% | 2710 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,814 psi | 69% | 2723 fps | 99.7% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,721 psi | 56% | 2598 fps | 96% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 43,076 psi | 72% | 2805 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 50,763 psi | 84% | 2756 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 40,654 psi | 68% | 2602 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 80% | 35,897 psi | 60% | 2543 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 46,833 psi | 78% | 2694 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,745 psi | 76% | 2671 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 80% | 44,048 psi | 73% | 2661 fps | 98.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 50,981 psi | 85% | 2635 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,715 psi | 74% | 2618 fps | 98.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 35,578 psi | 59% | 2539 fps | 95.1% |
| Somchem S355 | <<locked>> | 80% | 50,647 psi | 84% | 2749 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,063 psi | 73% | 2644 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 39,929 psi | 66% | 2635 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,506 psi | 61% | 2530 fps | 96.4% |
| Vihtavuori N150 | <<locked>> | 80% | 48,486 psi | 81% | 2674 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,512 psi | 74% | 2674 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,013 psi | 60% | 2513 fps | 95.9% |
| Vihtavuori N550 | <<locked>> | 80% | 43,932 psi | 73% | 2677 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 34,954 psi | 58% | 2539 fps | 99.2% |
| Vihtavuori N560 | 60.9 gr | 86% | 41,974 psi | 70% | 2736 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 92% | 41,698 psi | 69% | 2717 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,410 psi | 72% | 2635 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,687 psi | 76% | 2743 fps | 99.1% |
| Winchester StaBALL HD | 56 gr | 80% | 27,615 psi | 46% | 2470 fps | 99.3% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,101 psi | 63% | 2566 fps | 95.9% |
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 71 powders for 7 x 75 R SE v. Hofe loaded with the .284 | 160gr | Sierra GameKing. Winchester StaBALL HD delivers the highest muzzle velocity at 3,018 fps; across all powders the maximum-charge window runs from 1,788 fps to 3,018 fps. ADI AR 2217 gives the best case fill at 100 %, and 71 of the 71 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:11.0 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. Winchester StaBALL HD, Norma MRP, Vihtavuori N560 rank at the top here: for 7 x 75 R SE v. Hofe with the .284 | 160gr | Sierra GameKing 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.