Load Specifications
Load data in caliber 7 mm WSM with .284 | 160gr | Speer Deep Curl Soft Point bullet and 77 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N560, Norma MRP 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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 96% | 55,695 psi | 87% | 2851 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 57,435 psi | 90% | 2890 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 54,201 psi | 85% | 2943 fps | 97.4% |
| ADI AR 2208 | <<locked>> | 82% | 55,245 psi | 87% | 2799 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,491 psi | 85% | 2887 fps | 99.1% |
| ADI AR 2213 | <<locked>> | 96% | 55,666 psi | 87% | 2943 fps | 98.5% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 46,586 psi | 73% | 2776 fps | 97% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,408 psi | 65% | 2736 fps | 98.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 56,420 psi | 88% | 2818 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 54,418 psi | 85% | 2890 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 55,709 psi | 87% | 2907 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 57,609 psi | 90% | 2933 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 96% | 55,448 psi | 87% | 2940 fps | 99.4% |
| Alliant Reloder-23 | <<locked>> | 98% | 56,463 psi | 88% | 2913 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,257 psi | 82% | 2920 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 57,217 psi | 90% | 3009 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 54,621 psi | 86% | 2927 fps | 99.2% |
| Bofors RP3 | <<locked>> | 82% | 57,464 psi | 90% | 2838 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,080 psi | 75% | 2848 fps | 97.8% |
| Bofors RP5 | <<locked>> | 96% | 55,448 psi | 87% | 2940 fps | 99.4% |
| Bofors RP7 | <<locked>> | 86% | 56,536 psi | 89% | 2838 fps | 99.7% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,329 psi | 80% | 2867 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 82% | 57,479 psi | 90% | 2858 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 55,579 psi | 87% | 2890 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 54,679 psi | 86% | 2844 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 94% | 55,883 psi | 88% | 2887 fps | 98% |
| Hodgdon H4831 SC | <<locked>> | 94% | 54,810 psi | 86% | 2867 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 54,955 psi | 86% | 2815 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,097 psi | 80% | 2976 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 86% | 55,811 psi | 87% | 2927 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,970 psi | 58% | 1778 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 54,462 psi | 85% | 2822 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,505 psi | 85% | 2808 fps | 99.8% |
| IMR 4831 | <<locked>> | 90% | 57,537 psi | 90% | 2877 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 56,898 psi | 89% | 2867 fps | 98.3% |
| IMR 7828 SSC | <<locked>> | 98% | 57,348 psi | 90% | 2982 fps | 98.9% |
| Lovex S065 | <<locked>> | 86% | 55,085 psi | 86% | 2808 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 56,391 psi | 88% | 2851 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,011 psi | 83% | 2812 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,100 psi | 86% | 2874 fps | 99.1% |
| Norma 217ᴾ | <<locked>> | 100% | 36,912 psi | 58% | 2657 fps | 96.6% |
| Norma MRP | <<locked>> | 94% | 55,201 psi | 87% | 2963 fps | 99.9% |
| Norma URP | <<locked>> | 88% | 55,666 psi | 87% | 2871 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,056 psi | 85% | 2940 fps | 98.7% |
| Ramshot Hunter | <<locked>> | 88% | 54,476 psi | 85% | 2874 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 56,188 psi | 88% | 2936 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,666 psi | 59% | 1818 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 57,334 psi | 90% | 2848 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 54,998 psi | 86% | 2890 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 57,217 psi | 90% | 2910 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 55,608 psi | 87% | 2940 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 51,517 psi | 81% | 2972 fps | 100% |
| Rottweil R 903 | <<locked>> | 82% | 54,128 psi | 85% | 2785 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 55,724 psi | 87% | 2854 fps | 98.5% |
| Rottweil R 905 | <<locked>> | 94% | 57,058 psi | 89% | 2923 fps | 99.5% |
| Rottweil R 907 | <<locked>> | 86% | 56,536 psi | 89% | 2838 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,085 psi | 86% | 2808 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 56,391 psi | 88% | 2851 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 55,463 psi | 87% | 2841 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,331 psi | 85% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,389 psi | 85% | 2762 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 56,608 psi | 89% | 2917 fps | 99.5% |
| Somchem S355 | <<locked>> | 84% | 57,261 psi | 90% | 2828 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 57,464 psi | 90% | 2851 fps | 98.2% |
| Somchem S365 | <<locked>> | 90% | 55,898 psi | 88% | 2874 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 57,667 psi | 90% | 2894 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 84% | 55,201 psi | 87% | 2756 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 57,725 psi | 90% | 2864 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 57,029 psi | 89% | 2871 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 88% | 56,826 psi | 89% | 2867 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 55,317 psi | 87% | 2890 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,129 psi | 86% | 2956 fps | 98.2% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 54,853 psi | 86% | 2936 fps | 98.3% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,116 psi | 90% | 2822 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 55,579 psi | 87% | 2890 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 98% | 53,780 psi | 84% | 2995 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 57,609 psi | 90% | 2887 fps | 99.4% |
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>> | 80% | 32,605 psi | 51% | 2418 fps | 96.4% |
| Accurate 4350 | <<locked>> | 80% | 43,845 psi | 69% | 2671 fps | 99.9% |
| Accurate MAGPRO | 65 gr | 90% | 47,079 psi | 74% | 2815 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 51,996 psi | 81% | 2749 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 39,088 psi | 61% | 2598 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 88% | 42,511 psi | 67% | 2700 fps | 95.5% |
| ADI AR 2217 | <<locked>> | 96% | 40,785 psi | 64% | 2657 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 94% | 34,142 psi | 54% | 2552 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 53,084 psi | 83% | 2772 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,887 psi | 66% | 2674 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,269 psi | 76% | 2792 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,680 psi | 57% | 2536 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,130 psi | 58% | 2589 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,256 psi | 49% | 2444 fps | 99.1% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,124 psi | 46% | 2402 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 33,779 psi | 53% | 2569 fps | 98.3% |
| Bofors RP15 | <<locked>> | 86% | 36,825 psi | 58% | 2582 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 53,751 psi | 84% | 2785 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 39,392 psi | 62% | 2674 fps | 95.3% |
| Bofors RP5 | <<locked>> | 84% | 37,130 psi | 58% | 2589 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 46,659 psi | 73% | 2671 fps | 98.7% |
| Hodgdon H1000 | <<locked>> | 92% | 39,102 psi | 61% | 2621 fps | 95.2% |
| Hodgdon H380 | <<locked>> | 80% | 53,824 psi | 84% | 2805 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 45,498 psi | 71% | 2720 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 80% | 47,979 psi | 75% | 2730 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 45,513 psi | 71% | 2710 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 88% | 44,599 psi | 70% | 2690 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,639 psi | 62% | 2566 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 36,869 psi | 58% | 2661 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 44,788 psi | 70% | 2740 fps | 98.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,644 psi | 43% | 1588 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,351 psi | 66% | 2608 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,124 psi | 75% | 2700 fps | 99.2% |
| IMR 4831 | <<locked>> | 80% | 41,713 psi | 65% | 2618 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 86% | 44,338 psi | 69% | 2648 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 88% | 40,785 psi | 64% | 2674 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 45,788 psi | 72% | 2654 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 44,092 psi | 69% | 2641 fps | 98.8% |
| Lovex S071 | <<locked>> | 82% | 29,936 psi | 47% | 2346 fps | 95.3% |
| Norma 204 | <<locked>> | 80% | 42,061 psi | 66% | 2638 fps | 96.6% |
| Norma 217 | <<locked>> | 98% | 34,635 psi | 54% | 2602 fps | 95.7% |
| Norma MRP | 56.7 gr | 80% | 33,808 psi | 53% | 2536 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 43,120 psi | 68% | 2661 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 40,611 psi | 64% | 2684 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 41,785 psi | 65% | 2651 fps | 98.8% |
| Ramshot Magnum | <<locked>> | 88% | 36,143 psi | 57% | 2562 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,340 psi | 44% | 1627 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 53,505 psi | 84% | 2789 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,213 psi | 80% | 2838 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,685 psi | 68% | 2690 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,887 psi | 66% | 2703 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,591 psi | 53% | 2569 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 80% | 50,865 psi | 80% | 2736 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 40,495 psi | 63% | 2579 fps | 95% |
| Rottweil R 905 | <<locked>> | 82% | 38,363 psi | 60% | 2579 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 80% | 46,659 psi | 73% | 2671 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,788 psi | 72% | 2654 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 44,092 psi | 69% | 2641 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 51,967 psi | 81% | 2789 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,039 psi | 80% | 2618 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,802 psi | 70% | 2602 fps | 98.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 38,029 psi | 60% | 2572 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 50,720 psi | 79% | 2733 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,121 psi | 69% | 2625 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 39,958 psi | 63% | 2618 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,376 psi | 57% | 2507 fps | 96.1% |
| Vihtavuori N150 | <<locked>> | 80% | 48,544 psi | 76% | 2657 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,570 psi | 70% | 2657 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,027 psi | 56% | 2490 fps | 95.6% |
| Vihtavuori N550 | <<locked>> | 80% | 43,758 psi | 69% | 2654 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 35,012 psi | 55% | 2520 fps | 99.1% |
| Vihtavuori N560 | 62.4 gr | 88% | 44,933 psi | 70% | 2772 fps | 95.9% |
| Vihtavuori N565 | <<locked>> | 92% | 41,742 psi | 65% | 2694 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,468 psi | 68% | 2618 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,498 psi | 71% | 2720 fps | 98.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,630 psi | 43% | 2444 fps | 99.1% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,159 psi | 60% | 2546 fps | 95.6% |
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 84 powders for 7 mm WSM loaded with the .284 | 160gr | Speer Deep Curl Soft Point. Alliant Reloder-26 delivers the highest muzzle velocity at 3,009 fps; across all powders the maximum-charge window runs from 1,778 fps to 3,009 fps. ADI AR 2217 gives the best case fill at 100 %, and 84 of the 84 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:12.5 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. Vihtavuori N560, Norma MRP, Accurate MAGPRO rank at the top here: for 7 mm WSM with the .284 | 160gr | Speer Deep Curl Soft Point they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, IMR 7977 Enduron, IMR 8133 Enduron, Vihtavuori N170 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.