Load Specifications
Load data in caliber 7 x 75 R SE v. Hofe with .284 | 170gr | SUS-TAC HPT 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, Vihtavuori N560 and Accurate MAGPRO.
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>> | 96% | 52,692 psi | 88% | 2726 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 50,966 psi | 85% | 2713 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 51,198 psi | 85% | 2815 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 53,316 psi | 89% | 2680 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 51,721 psi | 86% | 2759 fps | 99% |
| ADI AR 2213 | <<locked>> | 96% | 53,040 psi | 88% | 2818 fps | 98.4% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 44,150 psi | 73% | 2651 fps | 96.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 39,073 psi | 65% | 2615 fps | 98.4% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 52,185 psi | 87% | 2762 fps | 99.1% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 52,185 psi | 87% | 2762 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 54,172 psi | 90% | 2700 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 52,054 psi | 86% | 2769 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 52,692 psi | 88% | 2782 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 51,590 psi | 86% | 2756 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 96% | 52,591 psi | 87% | 2815 fps | 99.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 53,258 psi | 88% | 2789 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 49,371 psi | 82% | 2792 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 53,519 psi | 89% | 2881 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 51,547 psi | 86% | 2799 fps | 99.1% |
| Bofors RP30ᴾ | <<locked>> | 100% | 45,179 psi | 75% | 2723 fps | 97.5% |
| Bofors RP5 | <<locked>> | 96% | 52,591 psi | 87% | 2815 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 54,389 psi | 90% | 2717 fps | 99.7% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 48,646 psi | 81% | 2740 fps | 98.3% |
| Hodgdon H414 | <<locked>> | 86% | 52,895 psi | 88% | 2762 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 84% | 52,562 psi | 87% | 2723 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 94% | 53,069 psi | 88% | 2759 fps | 97.8% |
| Hodgdon H4831 SC | <<locked>> | 94% | 51,938 psi | 86% | 2743 fps | 97.6% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 52,301 psi | 87% | 2694 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 48,138 psi | 80% | 2844 fps | 99.4% |
| Hodgdon Superformance | <<locked>> | 86% | 52,750 psi | 88% | 2799 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,927 psi | 61% | 1699 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 52,199 psi | 87% | 2703 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 52,562 psi | 87% | 2690 fps | 99.7% |
| IMR 4831 | <<locked>> | 88% | 51,547 psi | 86% | 2707 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 51,184 psi | 85% | 2694 fps | 97.6% |
| IMR 7828 SSC | <<locked>> | 98% | 54,128 psi | 90% | 2848 fps | 98.7% |
| Lovex S065 | <<locked>> | 86% | 52,924 psi | 88% | 2687 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 54,273 psi | 90% | 2733 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 50,198 psi | 83% | 2690 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 52,779 psi | 88% | 2753 fps | 99% |
| Norma 217ᴾ | <<locked>> | 100% | 34,708 psi | 58% | 2543 fps | 96.3% |
| Norma MRP | <<locked>> | 94% | 52,054 psi | 86% | 2835 fps | 99.8% |
| Norma URP | <<locked>> | 88% | 53,316 psi | 89% | 2749 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 50,995 psi | 85% | 2808 fps | 98.5% |
| Ramshot Hunter | <<locked>> | 88% | 52,156 psi | 87% | 2756 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 52,605 psi | 87% | 2805 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,681 psi | 63% | 1739 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 52,156 psi | 87% | 2769 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 50,937 psi | 85% | 2736 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 52,620 psi | 87% | 2815 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 48,341 psi | 80% | 2841 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 82% | 51,880 psi | 86% | 2667 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 53,243 psi | 88% | 2733 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 94% | 54,070 psi | 90% | 2792 fps | 99.4% |
| Rottweil R 907 | <<locked>> | 86% | 54,389 psi | 90% | 2717 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 86% | 52,924 psi | 88% | 2687 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 54,273 psi | 90% | 2733 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 53,156 psi | 88% | 2723 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 52,402 psi | 87% | 2549 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 52,257 psi | 87% | 2641 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 53,621 psi | 89% | 2789 fps | 99.3% |
| Somchem S355 | <<locked>> | 82% | 51,938 psi | 86% | 2664 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 51,227 psi | 85% | 2671 fps | 97.3% |
| Somchem S365 | <<locked>> | 90% | 53,011 psi | 88% | 2749 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 51,416 psi | 85% | 2717 fps | 99.5% |
| Vihtavuori N150 | <<locked>> | 84% | 52,779 psi | 88% | 2635 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 51,619 psi | 86% | 2690 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 54,230 psi | 90% | 2749 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 88% | 54,375 psi | 90% | 2749 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 52,576 psi | 87% | 2769 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 52,185 psi | 87% | 2828 fps | 98% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 51,605 psi | 86% | 2805 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 50,952 psi | 85% | 2657 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 53,142 psi | 88% | 2769 fps | 99.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 53,388 psi | 89% | 2917 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 51,010 psi | 85% | 2710 fps | 98.9% |
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% | 30,777 psi | 51% | 2313 fps | 96.3% |
| Accurate 4350 | <<locked>> | 80% | 41,611 psi | 69% | 2556 fps | 99.9% |
| Accurate MAGPRO | 59.2 gr | 90% | 44,338 psi | 74% | 2690 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 50,125 psi | 83% | 2631 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 37,420 psi | 62% | 2487 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 88% | 40,683 psi | 68% | 2585 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 98% | 41,379 psi | 69% | 2595 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 94% | 32,401 psi | 54% | 2444 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 35,230 psi | 59% | 2434 fps | 95% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 35,230 psi | 59% | 2434 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 50,952 psi | 85% | 2654 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 40,045 psi | 67% | 2562 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 45,759 psi | 76% | 2674 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 37,376 psi | 62% | 2487 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 84% | 35,288 psi | 59% | 2484 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,617 psi | 49% | 2343 fps | 99.1% |
| Alliant Reloder-25 | <<locked>> | 82% | 27,804 psi | 46% | 2303 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 31,879 psi | 53% | 2461 fps | 98.2% |
| Bofors RP15 | <<locked>> | 88% | 37,333 psi | 62% | 2526 fps | 95.8% |
| Bofors RP30 | <<locked>> | 94% | 37,057 psi | 62% | 2556 fps | 95% |
| Bofors RP5 | <<locked>> | 84% | 35,288 psi | 59% | 2484 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 45,005 psi | 75% | 2559 fps | 98.6% |
| Hodgdon H1000 | <<locked>> | 94% | 39,885 psi | 66% | 2569 fps | 96% |
| Hodgdon H414 | <<locked>> | 80% | 43,410 psi | 72% | 2602 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 80% | 46,267 psi | 77% | 2618 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 43,366 psi | 72% | 2592 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 88% | 42,656 psi | 71% | 2579 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,768 psi | 63% | 2454 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 34,911 psi | 58% | 2543 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 42,366 psi | 70% | 2621 fps | 98.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,586 psi | 46% | 1516 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 40,683 psi | 68% | 2497 fps | 97.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,325 psi | 77% | 2585 fps | 99.1% |
| IMR 4831 | <<locked>> | 80% | 39,827 psi | 66% | 2507 fps | 99.7% |
| IMR 4955 Enduron | <<locked>> | 86% | 42,453 psi | 71% | 2536 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 90% | 41,669 psi | 69% | 2621 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 43,859 psi | 73% | 2536 fps | 99.5% |
| Lovex S070 | <<locked>> | 80% | 42,293 psi | 70% | 2530 fps | 98.7% |
| Lovex S071 | <<locked>> | 82% | 28,384 psi | 47% | 2247 fps | 95.2% |
| Norma 204 | <<locked>> | 80% | 40,132 psi | 67% | 2526 fps | 96.5% |
| Norma 217 | <<locked>> | 98% | 32,460 psi | 54% | 2480 fps | 95.2% |
| Norma MRP | 51.7 gr | 80% | 32,126 psi | 53% | 2431 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 41,133 psi | 68% | 2546 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 38,493 psi | 64% | 2566 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 39,842 psi | 66% | 2539 fps | 98.8% |
| Ramshot Magnum | <<locked>> | 88% | 34,200 psi | 57% | 2451 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,123 psi | 47% | 1552 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 48,573 psi | 81% | 2717 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 41,437 psi | 69% | 2575 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 39,943 psi | 66% | 2592 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 31,821 psi | 53% | 2457 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 80% | 48,704 psi | 81% | 2621 fps | 100% |
| Rottweil R 904 | <<locked>> | 84% | 41,481 psi | 69% | 2523 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 82% | 36,521 psi | 61% | 2467 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 45,005 psi | 75% | 2559 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 43,859 psi | 73% | 2536 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 80% | 42,293 psi | 70% | 2530 fps | 98.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 49,748 psi | 83% | 2671 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 49,226 psi | 82% | 2507 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,975 psi | 71% | 2487 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 36,187 psi | 60% | 2464 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 48,588 psi | 81% | 2615 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 42,192 psi | 70% | 2513 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 37,913 psi | 63% | 2510 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 34,795 psi | 58% | 2402 fps | 96% |
| Vihtavuori N150 | <<locked>> | 80% | 46,586 psi | 77% | 2546 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 42,482 psi | 71% | 2539 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 34,229 psi | 57% | 2385 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 41,930 psi | 70% | 2546 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 33,257 psi | 55% | 2415 fps | 99.1% |
| Vihtavuori N560 | 56.8 gr | 88% | 42,467 psi | 71% | 2651 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 94% | 42,119 psi | 70% | 2638 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 41,481 psi | 69% | 2507 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,613 psi | 72% | 2605 fps | 98.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 26,223 psi | 44% | 2343 fps | 99% |
| Winchester Supreme 780 | <<locked>> | 84% | 36,245 psi | 60% | 2434 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 76 powders for 7 x 75 R SE v. Hofe loaded with the .284 | 170gr | SUS-TAC HPT. Winchester StaBALL HD delivers the highest muzzle velocity at 2,917 fps; across all powders the maximum-charge window runs from 1,699 fps to 2,917 fps. ADI AR 2217 gives the best case fill at 100 %, and 76 of the 76 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 170.0 gr projectile in 0.284" calls for a 1:7.5 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. Norma MRP, Vihtavuori N560, Accurate MAGPRO rank at the top here: for 7 x 75 R SE v. Hofe with the .284 | 170gr | SUS-TAC HPT 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.