Load Specifications
Load data in caliber 7 x 75 R SE v. Hofe with .284 | 140gr | Sierra GameKing bullet and 76 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Alliant Reloder-26 and Alliant Reloder-16.
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>> | 98% | 52,982 psi | 88% | 3005 fps | 99.6% |
| Accurate 4064 | <<locked>> | 82% | 53,925 psi | 90% | 2943 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 51,242 psi | 85% | 2995 fps | 100% |
| ADI AR 2208 | <<locked>> | 84% | 53,795 psi | 89% | 2972 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 52,170 psi | 87% | 3041 fps | 97.9% |
| ADI AR 2213 | <<locked>> | 98% | 53,432 psi | 89% | 3094 fps | 97% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 51,343 psi | 85% | 2946 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 52,156 psi | 87% | 3061 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 53,113 psi | 88% | 3077 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 51,764 psi | 86% | 3031 fps | 97.9% |
| Alliant Reloder-22 | <<locked>> | 98% | 52,649 psi | 87% | 3091 fps | 98.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 53,374 psi | 89% | 3077 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 46,296 psi | 77% | 3005 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 96% | 53,330 psi | 89% | 3163 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 51,590 psi | 86% | 3071 fps | 97.9% |
| Bofors RP3 | <<locked>> | 82% | 51,996 psi | 86% | 2959 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 52,649 psi | 87% | 3091 fps | 98.2% |
| Bofors RP7 | <<locked>> | 86% | 51,677 psi | 86% | 2946 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 82% | 52,257 psi | 87% | 2976 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 88% | 53,432 psi | 89% | 3054 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 86% | 53,040 psi | 88% | 3009 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 96% | 53,679 psi | 89% | 3035 fps | 96.3% |
| Hodgdon H4831 SC | <<locked>> | 96% | 52,373 psi | 87% | 3015 fps | 96% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 52,460 psi | 87% | 2982 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 45,223 psi | 75% | 3038 fps | 97.3% |
| Hodgdon Superformance | <<locked>> | 88% | 53,432 psi | 89% | 3087 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,608 psi | 61% | 1900 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 53,301 psi | 89% | 2956 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 52,562 psi | 87% | 2979 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 86% | 53,026 psi | 88% | 2972 fps | 99.1% |
| IMR 4831 | <<locked>> | 90% | 51,895 psi | 86% | 2992 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 51,706 psi | 86% | 2963 fps | 96.1% |
| IMR 7828 SSC | <<locked>> | 98% | 51,111 psi | 85% | 3061 fps | 96.5% |
| Lovex S062 | <<locked>> | 82% | 53,534 psi | 89% | 2949 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 53,330 psi | 89% | 2972 fps | 99.7% |
| Lovex S070 | <<locked>> | 88% | 51,474 psi | 86% | 2963 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 47,210 psi | 78% | 2904 fps | 99% |
| Norma 203B | <<locked>> | 82% | 54,099 psi | 90% | 3005 fps | 100% |
| Norma 204 | <<locked>> | 90% | 53,301 psi | 89% | 3035 fps | 97.9% |
| Norma MRP | <<locked>> | 96% | 52,330 psi | 87% | 3117 fps | 99.2% |
| Norma URP | <<locked>> | 90% | 53,563 psi | 89% | 3038 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 51,256 psi | 85% | 3077 fps | 97% |
| Ramshot Hunter | <<locked>> | 90% | 52,460 psi | 87% | 3038 fps | 99.6% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 49,284 psi | 82% | 3009 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,217 psi | 62% | 1942 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 52,315 psi | 87% | 2959 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 52,605 psi | 87% | 3071 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 51,242 psi | 85% | 3022 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 53,011 psi | 88% | 3104 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 45,353 psi | 75% | 3035 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 84% | 52,330 psi | 87% | 2959 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 53,911 psi | 90% | 3012 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 96% | 54,360 psi | 90% | 3071 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 86% | 51,677 psi | 86% | 2946 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 88% | 53,330 psi | 89% | 2972 fps | 99.7% |
| Shooters World Precision | <<locked>> | 82% | 53,534 psi | 89% | 2949 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 51,474 psi | 86% | 2963 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 53,606 psi | 89% | 3015 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 53,113 psi | 88% | 2841 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 52,779 psi | 88% | 2920 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 53,896 psi | 90% | 3068 fps | 98.4% |
| Somchem S355 | <<locked>> | 84% | 52,388 psi | 87% | 2956 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 52,040 psi | 86% | 2943 fps | 95.9% |
| Somchem S365 | <<locked>> | 92% | 53,084 psi | 88% | 3041 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 51,706 psi | 86% | 2992 fps | 98.6% |
| Vihtavuori N150 | <<locked>> | 86% | 53,374 psi | 89% | 2930 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 52,054 psi | 86% | 2976 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 54,317 psi | 90% | 3018 fps | 98.7% |
| Vihtavuori N540 | <<locked>> | 82% | 54,143 psi | 90% | 2927 fps | 100% |
| Vihtavuori N550 | <<locked>> | 88% | 51,300 psi | 85% | 2982 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 96% | 52,402 psi | 87% | 3051 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 52,533 psi | 87% | 3104 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 51,401 psi | 85% | 2940 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 53,432 psi | 89% | 3054 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 48,921 psi | 81% | 3146 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 51,474 psi | 86% | 2979 fps | 97.7% |
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>> | 84% | 32,851 psi | 55% | 2595 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 50,720 psi | 84% | 2894 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,943 psi | 65% | 2759 fps | 98.7% |
| ADI AR 2208 | <<locked>> | 80% | 47,587 psi | 79% | 2867 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 42,931 psi | 71% | 2858 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 94% | 46,804 psi | 78% | 2966 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,254 psi | 80% | 2894 fps | 100% |
| Alliant Reloder-16 | 52.9 gr | 80% | 37,753 psi | 63% | 2769 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,859 psi | 71% | 2897 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 42,554 psi | 71% | 2851 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 90% | 40,219 psi | 67% | 2838 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,746 psi | 46% | 2510 fps | 96.7% |
| Alliant Reloder-25 | <<locked>> | 90% | 33,518 psi | 56% | 2694 fps | 96% |
| Alliant Reloder-26 | 59.8 gr | 82% | 31,879 psi | 53% | 2694 fps | 96.2% |
| Bofors RP15 | <<locked>> | 94% | 42,424 psi | 70% | 2887 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 48,805 psi | 81% | 2907 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 40,219 psi | 67% | 2838 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 42,757 psi | 71% | 2776 fps | 96.7% |
| Hodgdon H380 | <<locked>> | 80% | 49,095 psi | 82% | 2920 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 40,799 psi | 68% | 2808 fps | 96.8% |
| Hodgdon H4350 | <<locked>> | 80% | 43,714 psi | 73% | 2828 fps | 96.2% |
| Hodgdon H4831 | <<locked>> | 94% | 50,111 psi | 83% | 2972 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 94% | 49,139 psi | 82% | 2956 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,273 psi | 59% | 2654 fps | 99.2% |
| Hodgdon Retumbo | <<locked>> | 96% | 39,769 psi | 66% | 2904 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 39,842 psi | 66% | 2818 fps | 96.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,311 psi | 45% | 1699 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,067 psi | 83% | 2904 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 38,377 psi | 64% | 2697 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,048 psi | 73% | 2802 fps | 97.5% |
| IMR 4831 | <<locked>> | 80% | 37,289 psi | 62% | 2707 fps | 98.4% |
| IMR 4955 Enduron | <<locked>> | 92% | 48,704 psi | 81% | 2910 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 96% | 47,688 psi | 79% | 2999 fps | 95.6% |
| Lovex S062 | <<locked>> | 80% | 50,357 psi | 84% | 2900 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,684 psi | 69% | 2753 fps | 98.2% |
| Lovex S070 | <<locked>> | 80% | 39,943 psi | 66% | 2733 fps | 96.8% |
| Lovex S071 | <<locked>> | 90% | 34,011 psi | 57% | 2625 fps | 95.6% |
| Norma 203B | <<locked>> | 80% | 50,908 psi | 85% | 2953 fps | 100% |
| Norma 204 | <<locked>> | 84% | 43,250 psi | 72% | 2841 fps | 95.6% |
| Norma MRP | 60.9 gr | 86% | 36,869 psi | 61% | 2792 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 38,624 psi | 64% | 2753 fps | 98.5% |
| Ramshot Grand | <<locked>> | 94% | 44,483 psi | 74% | 2943 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 37,347 psi | 62% | 2733 fps | 96.6% |
| Ramshot Magnum | <<locked>> | 94% | 39,595 psi | 66% | 2812 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,746 psi | 46% | 1739 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,023 psi | 81% | 2904 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 45,527 psi | 76% | 2953 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,740 psi | 64% | 2776 fps | 98.4% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,391 psi | 62% | 2782 fps | 97.8% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 36,666 psi | 61% | 2812 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 80% | 45,890 psi | 76% | 2851 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 47,398 psi | 79% | 2894 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 88% | 41,597 psi | 69% | 2828 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 42,757 psi | 71% | 2776 fps | 96.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,684 psi | 69% | 2753 fps | 98.2% |
| Shooters World Precision | <<locked>> | 80% | 50,357 psi | 84% | 2900 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,943 psi | 66% | 2733 fps | 96.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,934 psi | 78% | 2904 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,847 psi | 78% | 2746 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,785 psi | 68% | 2694 fps | 96.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 41,220 psi | 68% | 2822 fps | 95.3% |
| Somchem S355 | <<locked>> | 80% | 46,079 psi | 77% | 2848 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 48,559 psi | 81% | 2881 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 35,114 psi | 58% | 2707 fps | 99.8% |
| Somchem S385 | <<locked>> | 86% | 39,711 psi | 66% | 2756 fps | 95.8% |
| Vihtavuori N150 | <<locked>> | 80% | 44,048 psi | 73% | 2772 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,030 psi | 67% | 2753 fps | 98.8% |
| Vihtavuori N165 | <<locked>> | 90% | 39,160 psi | 65% | 2733 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 51,010 psi | 85% | 2881 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,537 psi | 66% | 2753 fps | 98.5% |
| Vihtavuori N555 | <<locked>> | 80% | 30,676 psi | 51% | 2589 fps | 96.8% |
| Vihtavuori N560 | <<locked>> | 94% | 48,863 psi | 81% | 3035 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,059 psi | 65% | 2717 fps | 99.8% |
| Winchester 760 | <<locked>> | 80% | 41,017 psi | 68% | 2812 fps | 96.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,482 psi | 41% | 2470 fps | 95.1% |
| Winchester Supreme 780 | <<locked>> | 90% | 41,887 psi | 70% | 2799 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 86 powders for 7 x 75 R SE v. Hofe loaded with the .284 | 140gr | Sierra GameKing. Alliant Reloder-26 delivers the highest muzzle velocity at 3,163 fps; across all powders the maximum-charge window runs from 1,900 fps to 3,163 fps. ADI AR 2217 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 140.0 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-23 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, Alliant Reloder-26, Alliant Reloder-16 rank at the top here: for 7 x 75 R SE v. Hofe with the .284 | 140gr | Sierra GameKing they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, Baschieri & Pellagri 109, Bofors RP30 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.