Load Specifications
Load data in caliber 7 mm WSM with .284 | 160gr | Speer Magnum Tip 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 Norma MRP, Vihtavuori N560 and Ramshot Grand.
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% | 55,999 psi | 88% | 2858 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 57,479 psi | 90% | 2890 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 54,259 psi | 85% | 2946 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 82% | 55,288 psi | 87% | 2799 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,549 psi | 85% | 2890 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 96% | 55,927 psi | 88% | 2949 fps | 98.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 46,615 psi | 73% | 2779 fps | 97% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,597 psi | 65% | 2743 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 56,449 psi | 88% | 2822 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 54,737 psi | 86% | 2894 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 55,796 psi | 87% | 2907 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 57,653 psi | 90% | 2933 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 96% | 55,753 psi | 87% | 2946 fps | 99.4% |
| Alliant Reloder-23 | <<locked>> | 98% | 56,768 psi | 89% | 2917 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,257 psi | 82% | 2917 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 57,290 psi | 90% | 3009 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 54,636 psi | 86% | 2927 fps | 99.2% |
| Bofors RP3 | <<locked>> | 82% | 57,522 psi | 90% | 2838 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,341 psi | 76% | 2854 fps | 97.9% |
| Bofors RP5 | <<locked>> | 96% | 55,753 psi | 87% | 2946 fps | 99.4% |
| Bofors RP7 | <<locked>> | 86% | 56,594 psi | 89% | 2838 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,590 psi | 81% | 2871 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 82% | 57,522 psi | 90% | 2858 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 55,593 psi | 87% | 2890 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 54,752 psi | 86% | 2848 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 94% | 55,883 psi | 88% | 2887 fps | 98% |
| Hodgdon H4831 SC | <<locked>> | 94% | 54,810 psi | 86% | 2871 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,027 psi | 86% | 2815 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,358 psi | 80% | 2982 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 86% | 55,825 psi | 87% | 2927 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,869 psi | 58% | 1778 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 54,476 psi | 85% | 2825 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,520 psi | 85% | 2808 fps | 99.8% |
| IMR 4831 | <<locked>> | 88% | 54,114 psi | 85% | 2828 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 57,203 psi | 90% | 2874 fps | 98.3% |
| IMR 7828 SSC | <<locked>> | 98% | 57,334 psi | 90% | 2982 fps | 98.9% |
| Lovex S065 | <<locked>> | 86% | 55,129 psi | 86% | 2808 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 56,695 psi | 89% | 2854 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,301 psi | 84% | 2818 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,376 psi | 87% | 2877 fps | 99.1% |
| Norma 217ᴾ | <<locked>> | 100% | 37,115 psi | 58% | 2664 fps | 96.7% |
| Norma MRP | <<locked>> | 94% | 55,492 psi | 87% | 2966 fps | 99.9% |
| Norma URP | <<locked>> | 88% | 55,985 psi | 88% | 2874 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,041 psi | 85% | 2943 fps | 98.7% |
| Ramshot Hunter | <<locked>> | 88% | 54,781 psi | 86% | 2877 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 56,492 psi | 89% | 2940 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,782 psi | 59% | 1821 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 57,377 psi | 90% | 2848 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,332 psi | 87% | 2897 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 57,522 psi | 90% | 2917 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 55,622 psi | 87% | 2940 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 51,779 psi | 81% | 2979 fps | 100% |
| Rottweil R 903 | <<locked>> | 82% | 54,172 psi | 85% | 2785 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,028 psi | 88% | 2861 fps | 98.6% |
| Rottweil R 905 | <<locked>> | 94% | 57,116 psi | 90% | 2923 fps | 99.5% |
| Rottweil R 907 | <<locked>> | 86% | 56,594 psi | 89% | 2838 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,129 psi | 86% | 2808 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 56,695 psi | 89% | 2854 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 55,782 psi | 87% | 2848 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,375 psi | 85% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,404 psi | 85% | 2762 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 56,652 psi | 89% | 2917 fps | 99.5% |
| Somchem S355 | <<locked>> | 84% | 57,595 psi | 90% | 2835 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 57,450 psi | 90% | 2851 fps | 98.2% |
| Somchem S365 | <<locked>> | 90% | 55,970 psi | 88% | 2874 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 57,711 psi | 90% | 2897 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 84% | 55,216 psi | 87% | 2756 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 54,317 psi | 85% | 2815 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 57,058 psi | 89% | 2871 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 88% | 56,855 psi | 89% | 2871 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 55,622 psi | 87% | 2894 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,434 psi | 87% | 2959 fps | 98.2% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 54,824 psi | 86% | 2936 fps | 98.3% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,406 psi | 90% | 2825 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 55,593 psi | 87% | 2890 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 98% | 53,809 psi | 84% | 2995 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 54,012 psi | 85% | 2835 fps | 99.1% |
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% | 32,663 psi | 51% | 2418 fps | 96.5% |
| Accurate 4350 | <<locked>> | 80% | 43,947 psi | 69% | 2674 fps | 99.9% |
| Accurate MAGPRO | <<locked>> | 90% | 47,094 psi | 74% | 2818 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 52,040 psi | 82% | 2749 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 39,160 psi | 61% | 2598 fps | 95.9% |
| ADI AR 2213 | <<locked>> | 88% | 42,757 psi | 67% | 2707 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 96% | 41,046 psi | 64% | 2664 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 94% | 34,330 psi | 54% | 2562 fps | 96.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 53,156 psi | 83% | 2772 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,177 psi | 66% | 2680 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,341 psi | 76% | 2795 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,709 psi | 58% | 2539 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,173 psi | 58% | 2592 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,343 psi | 49% | 2448 fps | 99.2% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,138 psi | 46% | 2405 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,011 psi | 53% | 2575 fps | 98.3% |
| Bofors RP15 | <<locked>> | 86% | 36,898 psi | 58% | 2582 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 54,070 psi | 85% | 2789 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 39,407 psi | 62% | 2674 fps | 95.3% |
| Bofors RP5 | <<locked>> | 84% | 37,173 psi | 58% | 2592 fps | 95.4% |
| Bofors RP7 | <<locked>> | 80% | 46,963 psi | 74% | 2677 fps | 98.7% |
| Hodgdon H1000 | <<locked>> | 92% | 39,334 psi | 62% | 2628 fps | 95.3% |
| Hodgdon H380 | <<locked>> | 80% | 54,114 psi | 85% | 2808 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 45,556 psi | 71% | 2720 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 80% | 48,269 psi | 76% | 2736 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 45,759 psi | 72% | 2713 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 88% | 44,860 psi | 70% | 2697 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,682 psi | 62% | 2566 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 36,883 psi | 58% | 2664 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 44,846 psi | 70% | 2740 fps | 98.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,760 psi | 44% | 1591 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,424 psi | 66% | 2608 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,167 psi | 75% | 2700 fps | 99.2% |
| IMR 4831 | <<locked>> | 80% | 41,800 psi | 66% | 2618 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 86% | 44,367 psi | 70% | 2651 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 88% | 41,031 psi | 64% | 2680 fps | 95.1% |
| Lovex S065 | <<locked>> | 80% | 45,818 psi | 72% | 2654 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 44,179 psi | 69% | 2644 fps | 98.8% |
| Lovex S071 | <<locked>> | 82% | 30,008 psi | 47% | 2349 fps | 95.3% |
| Norma 204 | <<locked>> | 80% | 42,090 psi | 66% | 2641 fps | 96.6% |
| Norma 217 | <<locked>> | 98% | 34,679 psi | 54% | 2602 fps | 95.7% |
| Norma MRP | 56.8 gr | 80% | 33,823 psi | 53% | 2536 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 43,163 psi | 68% | 2661 fps | 99.8% |
| Ramshot Grand | 62 gr | 88% | 40,683 psi | 64% | 2687 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 41,858 psi | 66% | 2651 fps | 98.9% |
| Ramshot Magnum | <<locked>> | 88% | 36,158 psi | 57% | 2562 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,268 psi | 44% | 1627 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 53,795 psi | 84% | 2795 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,300 psi | 80% | 2838 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,758 psi | 69% | 2694 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,930 psi | 66% | 2703 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,779 psi | 53% | 2575 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 80% | 50,908 psi | 80% | 2740 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 40,567 psi | 64% | 2582 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 80% | 36,013 psi | 56% | 2526 fps | 95% |
| Rottweil R 907 | <<locked>> | 80% | 46,963 psi | 74% | 2677 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,818 psi | 72% | 2654 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 44,179 psi | 69% | 2644 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,011 psi | 82% | 2792 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,140 psi | 80% | 2621 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,831 psi | 70% | 2602 fps | 98.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 38,058 psi | 60% | 2575 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 50,792 psi | 80% | 2733 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,135 psi | 69% | 2625 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 40,016 psi | 63% | 2618 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,608 psi | 57% | 2510 fps | 96.2% |
| Vihtavuori N150 | <<locked>> | 80% | 48,617 psi | 76% | 2661 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,599 psi | 70% | 2657 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,100 psi | 57% | 2493 fps | 95.6% |
| Vihtavuori N550 | <<locked>> | 80% | 44,034 psi | 69% | 2661 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 35,085 psi | 55% | 2523 fps | 99.1% |
| Vihtavuori N560 | 62.5 gr | 88% | 44,991 psi | 71% | 2772 fps | 95.9% |
| Vihtavuori N565 | <<locked>> | 92% | 41,785 psi | 65% | 2697 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,482 psi | 68% | 2618 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,788 psi | 72% | 2723 fps | 99% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,688 psi | 43% | 2448 fps | 99.1% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,189 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 77 powders for 7 mm WSM loaded with the .284 | 160gr | Speer Magnum Tip 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 77 of the 77 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. Norma MRP, Vihtavuori N560, Ramshot Grand rank at the top here: for 7 mm WSM with the .284 | 160gr | Speer Magnum Tip Soft Point 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.