Load Specifications
Load data in caliber 7 mm WSM with .284 | 160gr | Woodleigh PP SN bullet and 79 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 ADI AR 2213.
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% | 55,071 psi | 86% | 2841 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 56,710 psi | 89% | 2877 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 57,479 psi | 90% | 2992 fps | 98% |
| ADI AR 2208 | <<locked>> | 82% | 54,810 psi | 86% | 2789 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 57,450 psi | 90% | 2930 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 96% | 55,100 psi | 86% | 2933 fps | 98.4% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 46,137 psi | 72% | 2766 fps | 96.8% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 40,959 psi | 64% | 2723 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 55,970 psi | 88% | 2812 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 57,537 psi | 90% | 2930 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 55,013 psi | 86% | 2894 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 57,014 psi | 89% | 2920 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 54,839 psi | 86% | 2930 fps | 99.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 55,796 psi | 87% | 2900 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 51,663 psi | 81% | 2907 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 56,246 psi | 88% | 2995 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 98% | 57,392 psi | 90% | 2894 fps | 96% |
| Bofors RP15ᴾ | <<locked>> | 100% | 57,522 psi | 90% | 2969 fps | 99.5% |
| Bofors RP3 | <<locked>> | 82% | 56,956 psi | 89% | 2828 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 47,471 psi | 74% | 2835 fps | 97.6% |
| Bofors RP5 | <<locked>> | 96% | 54,839 psi | 86% | 2930 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 55,883 psi | 88% | 2825 fps | 99.7% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 50,865 psi | 80% | 2858 fps | 98.5% |
| Hodgdon H380 | <<locked>> | 82% | 57,072 psi | 89% | 2848 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 54,897 psi | 86% | 2877 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 86% | 57,696 psi | 90% | 2890 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 94% | 55,303 psi | 87% | 2874 fps | 97.8% |
| Hodgdon H4831 SC | <<locked>> | 94% | 54,215 psi | 85% | 2858 fps | 97.7% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 54,273 psi | 85% | 2805 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 50,589 psi | 79% | 2963 fps | 99.5% |
| Hodgdon Superformance | <<locked>> | 86% | 55,216 psi | 87% | 2913 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,956 psi | 58% | 1775 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 57,696 psi | 90% | 2822 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 57,450 psi | 90% | 2864 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 86% | 57,450 psi | 90% | 2851 fps | 99.9% |
| IMR 4831 | <<locked>> | 90% | 57,116 psi | 90% | 2867 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 56,376 psi | 88% | 2858 fps | 98.2% |
| IMR 7828 SSC | <<locked>> | 98% | 56,695 psi | 89% | 2969 fps | 98.7% |
| Lovex S065 | <<locked>> | 86% | 54,433 psi | 85% | 2795 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 56,028 psi | 88% | 2844 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 52,663 psi | 83% | 2805 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 54,723 psi | 86% | 2864 fps | 99% |
| Norma 217ᴾ | <<locked>> | 100% | 36,463 psi | 57% | 2644 fps | 96.4% |
| Norma MRP | <<locked>> | 94% | 54,549 psi | 85% | 2949 fps | 99.9% |
| Norma URP | <<locked>> | 88% | 55,230 psi | 87% | 2861 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 57,508 psi | 90% | 2992 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 88% | 54,114 psi | 85% | 2867 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 55,651 psi | 87% | 2927 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,652 psi | 59% | 1814 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 56,695 psi | 89% | 2835 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 54,462 psi | 85% | 2884 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 56,811 psi | 89% | 2904 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 54,955 psi | 86% | 2930 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 50,778 psi | 80% | 2959 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 84% | 57,101 psi | 89% | 2825 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 55,390 psi | 87% | 2848 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 94% | 56,391 psi | 88% | 2907 fps | 99.4% |
| Rottweil R 907 | <<locked>> | 86% | 55,883 psi | 88% | 2825 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 86% | 54,433 psi | 85% | 2795 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 56,028 psi | 88% | 2844 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 55,042 psi | 86% | 2835 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 57,334 psi | 90% | 2700 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 57,450 psi | 90% | 2802 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 55,941 psi | 88% | 2904 fps | 99.4% |
| Somchem S355 | <<locked>> | 84% | 56,826 psi | 89% | 2818 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 56,971 psi | 89% | 2841 fps | 98% |
| Somchem S365 | <<locked>> | 90% | 55,492 psi | 87% | 2867 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 57,058 psi | 89% | 2884 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 84% | 54,505 psi | 85% | 2743 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 57,014 psi | 89% | 2851 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 56,463 psi | 88% | 2861 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 88% | 56,173 psi | 88% | 2858 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 54,621 psi | 86% | 2877 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 54,549 psi | 85% | 2943 fps | 98% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 54,273 psi | 85% | 2923 fps | 98.2% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 56,797 psi | 89% | 2815 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 55,143 psi | 86% | 2881 fps | 99.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 56,898 psi | 89% | 3038 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 56,985 psi | 89% | 2877 fps | 99.3% |
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% | 32,227 psi | 51% | 2405 fps | 96.2% |
| Accurate 4350 | <<locked>> | 80% | 43,381 psi | 68% | 2661 fps | 99.8% |
| Accurate MAGPRO | <<locked>> | 90% | 46,499 psi | 73% | 2802 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 51,532 psi | 81% | 2740 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 38,725 psi | 61% | 2585 fps | 95.6% |
| ADI AR 2213 | 59.9 gr | 88% | 42,235 psi | 66% | 2690 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 98% | 43,250 psi | 68% | 2707 fps | 95.9% |
| ADI AR 2225 | <<locked>> | 94% | 33,779 psi | 53% | 2543 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 52,620 psi | 82% | 2762 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,669 psi | 65% | 2667 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,834 psi | 75% | 2785 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 38,682 psi | 61% | 2582 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 84% | 36,753 psi | 58% | 2579 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 30,922 psi | 48% | 2434 fps | 99% |
| Alliant Reloder-25 | <<locked>> | 82% | 28,819 psi | 45% | 2392 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 33,446 psi | 52% | 2559 fps | 98.1% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 53,780 psi | 84% | 2835 fps | 95.2% |
| Bofors RP15 | <<locked>> | 88% | 38,885 psi | 61% | 2628 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 53,287 psi | 84% | 2776 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 38,856 psi | 61% | 2661 fps | 95% |
| Bofors RP5 | <<locked>> | 84% | 36,753 psi | 58% | 2579 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 46,514 psi | 73% | 2667 fps | 98.6% |
| Hodgdon H1000 | <<locked>> | 94% | 41,423 psi | 65% | 2671 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 53,359 psi | 84% | 2795 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 45,107 psi | 71% | 2710 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 80% | 47,572 psi | 75% | 2720 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 88% | 45,165 psi | 71% | 2700 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 88% | 44,295 psi | 69% | 2684 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,218 psi | 61% | 2556 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 36,376 psi | 57% | 2644 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 80% | 44,208 psi | 69% | 2726 fps | 98.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,557 psi | 43% | 1581 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 54,259 psi | 85% | 2772 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,974 psi | 66% | 2598 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 47,732 psi | 75% | 2690 fps | 99.1% |
| IMR 4831 | <<locked>> | 80% | 41,292 psi | 65% | 2608 fps | 99.7% |
| IMR 4955 Enduron | <<locked>> | 86% | 44,048 psi | 69% | 2641 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 90% | 43,366 psi | 68% | 2730 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 45,368 psi | 71% | 2641 fps | 99.5% |
| Lovex S070 | <<locked>> | 80% | 43,685 psi | 68% | 2631 fps | 98.7% |
| Lovex S071 | <<locked>> | 82% | 29,588 psi | 46% | 2336 fps | 95.1% |
| Norma 204 | <<locked>> | 80% | 41,655 psi | 65% | 2628 fps | 96.4% |
| Norma 217 | <<locked>> | 98% | 34,200 psi | 54% | 2585 fps | 95.4% |
| Norma MRP | 56.2 gr | 80% | 33,431 psi | 52% | 2526 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 42,685 psi | 67% | 2648 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 40,118 psi | 63% | 2671 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 41,408 psi | 65% | 2641 fps | 98.7% |
| Ramshot Magnum | <<locked>> | 88% | 35,679 psi | 56% | 2549 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,239 psi | 44% | 1624 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 53,127 psi | 83% | 2782 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 50,734 psi | 80% | 2828 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,076 psi | 68% | 2677 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,495 psi | 65% | 2694 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,344 psi | 52% | 2559 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 80% | 50,386 psi | 79% | 2730 fps | 100% |
| Rottweil R 904 | <<locked>> | 84% | 42,960 psi | 67% | 2628 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 82% | 37,942 psi | 59% | 2566 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 46,514 psi | 73% | 2667 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,368 psi | 71% | 2641 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 80% | 43,685 psi | 68% | 2631 fps | 98.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 51,503 psi | 81% | 2782 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 50,604 psi | 79% | 2612 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,440 psi | 70% | 2592 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 37,652 psi | 59% | 2562 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 50,270 psi | 79% | 2723 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 43,598 psi | 68% | 2612 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 39,494 psi | 62% | 2608 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,013 psi | 56% | 2493 fps | 95.9% |
| Vihtavuori N150 | <<locked>> | 80% | 48,138 psi | 75% | 2648 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,135 psi | 69% | 2648 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 35,694 psi | 56% | 2480 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 43,366 psi | 68% | 2648 fps | 99.7% |
| Vihtavuori N555 | <<locked>> | 80% | 34,606 psi | 54% | 2510 fps | 99% |
| Vihtavuori N560 | 61.8 gr | 88% | 44,396 psi | 70% | 2759 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 94% | 44,121 psi | 69% | 2743 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,120 psi | 68% | 2612 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 45,107 psi | 71% | 2710 fps | 98.8% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,354 psi | 43% | 2434 fps | 98.9% |
| Winchester Supreme 780 | <<locked>> | 84% | 37,623 psi | 59% | 2533 fps | 95.3% |
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 85 powders for 7 mm WSM loaded with the .284 | 160gr | Woodleigh PP SN. Winchester StaBALL HD delivers the highest muzzle velocity at 3,038 fps; across all powders the maximum-charge window runs from 1,775 fps to 3,038 fps. ADI AR 2217 gives the best case fill at 100 %, and 85 of the 85 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:12.0 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. Norma MRP, Vihtavuori N560, ADI AR 2213 rank at the top here: for 7 mm WSM with the .284 | 160gr | Woodleigh PP SN 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.