Load Specifications
Load data in caliber 7 mm WSM with .284 | 155gr | Frontier PH HPFB bullet and 90 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 Alliant Reloder-26.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 82% | 55,651 psi | 87% | 2812 fps | 99.3% |
| Accurate 3100 | <<locked>> | 98% | 54,708 psi | 86% | 2867 fps | 99.9% |
| Accurate 4064 | <<locked>> | 82% | 55,535 psi | 87% | 2792 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 56,565 psi | 89% | 2910 fps | 100% |
| Accurate MAGPRO | <<locked>> | 98% | 56,898 psi | 89% | 3012 fps | 97.3% |
| ADI AR 2208 | <<locked>> | 84% | 55,071 psi | 86% | 2825 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 57,217 psi | 90% | 2956 fps | 99% |
| ADI AR 2213 | <<locked>> | 98% | 55,071 psi | 86% | 2956 fps | 97.8% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 37,869 psi | 59% | 2671 fps | 96.7% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 57,566 psi | 90% | 2956 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 56,057 psi | 88% | 2848 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 56,231 psi | 88% | 2867 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 57,087 psi | 89% | 2963 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 54,694 psi | 86% | 2930 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 56,768 psi | 89% | 2946 fps | 99% |
| Alliant Reloder-22 | <<locked>> | 98% | 54,375 psi | 85% | 2953 fps | 98.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 55,158 psi | 86% | 2930 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,587 psi | 75% | 2871 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 96% | 55,201 psi | 87% | 3022 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 53,330 psi | 84% | 2933 fps | 98.6% |
| Bofors RP3 | <<locked>> | 84% | 57,130 psi | 90% | 2864 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 43,584 psi | 68% | 2789 fps | 95.9% |
| Bofors RP5 | <<locked>> | 98% | 54,375 psi | 85% | 2953 fps | 98.9% |
| Bofors RP7 | <<locked>> | 88% | 56,376 psi | 88% | 2858 fps | 99.5% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 47,166 psi | 74% | 2808 fps | 96.9% |
| Hodgdon H380 | <<locked>> | 84% | 57,334 psi | 90% | 2884 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 54,839 psi | 86% | 2907 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 86% | 54,331 psi | 85% | 2864 fps | 98.9% |
| Hodgdon H4831 | <<locked>> | 96% | 55,201 psi | 87% | 2900 fps | 97.2% |
| Hodgdon H4831 SC | <<locked>> | 96% | 54,085 psi | 85% | 2881 fps | 97% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 57,580 psi | 90% | 2884 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,630 psi | 73% | 2913 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 88% | 55,071 psi | 86% | 2943 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,695 psi | 57% | 1781 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 54,679 psi | 86% | 2808 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 56,826 psi | 89% | 2841 fps | 99.7% |
| IMR 4350 | <<locked>> | 92% | 57,522 psi | 90% | 2894 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 88% | 57,725 psi | 90% | 2881 fps | 99.7% |
| IMR 4831 | <<locked>> | 92% | 56,840 psi | 89% | 2900 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 57,696 psi | 90% | 2897 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 56,420 psi | 88% | 2884 fps | 97.6% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 56,333 psi | 88% | 2989 fps | 98.2% |
| Lovex S062 | <<locked>> | 82% | 54,969 psi | 86% | 2802 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 54,781 psi | 86% | 2831 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 56,173 psi | 88% | 2874 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,747 psi | 76% | 2776 fps | 99.5% |
| Norma 203B | <<locked>> | 82% | 55,521 psi | 87% | 2854 fps | 100% |
| Norma 204 | <<locked>> | 90% | 54,694 psi | 86% | 2894 fps | 98.6% |
| Norma MRP | <<locked>> | 96% | 53,998 psi | 85% | 2976 fps | 99.6% |
| Norma URP | <<locked>> | 90% | 55,158 psi | 86% | 2894 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 56,507 psi | 89% | 2884 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 56,826 psi | 89% | 3009 fps | 98.6% |
| Ramshot Hunter | <<locked>> | 92% | 57,435 psi | 90% | 2949 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 51,039 psi | 80% | 2884 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,376 psi | 59% | 1824 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 57,130 psi | 90% | 2871 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 54,288 psi | 85% | 2920 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 56,463 psi | 88% | 2933 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 54,708 psi | 86% | 2959 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,818 psi | 73% | 2910 fps | 99.2% |
| Rottweil R 902 | <<locked>> | 82% | 56,710 psi | 89% | 2808 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 57,276 psi | 90% | 2861 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 55,216 psi | 87% | 2871 fps | 97.9% |
| Rottweil R 905 | <<locked>> | 96% | 56,014 psi | 88% | 2933 fps | 99% |
| Rottweil R 907 | <<locked>> | 88% | 56,376 psi | 88% | 2858 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 88% | 54,781 psi | 86% | 2831 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 54,969 psi | 86% | 2802 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 56,173 psi | 88% | 2874 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 55,187 psi | 86% | 2871 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 54,433 psi | 85% | 2694 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 57,667 psi | 90% | 2835 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 55,550 psi | 87% | 2930 fps | 99% |
| Somchem S355 | <<locked>> | 86% | 57,043 psi | 89% | 2858 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 57,159 psi | 90% | 2867 fps | 97.5% |
| Somchem S365 | <<locked>> | 92% | 54,853 psi | 86% | 2897 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 56,797 psi | 89% | 2907 fps | 99.5% |
| Vihtavuori N135 | <<locked>> | 82% | 57,203 psi | 90% | 2762 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 57,551 psi | 90% | 2782 fps | 100% |
| Vihtavuori N150 | <<locked>> | 86% | 54,766 psi | 86% | 2779 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 57,116 psi | 90% | 2887 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 56,086 psi | 88% | 2884 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 82% | 55,637 psi | 87% | 2779 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 56,318 psi | 88% | 2894 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 57,493 psi | 90% | 2956 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 54,157 psi | 85% | 2966 fps | 97.4% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 49,661 psi | 78% | 2877 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 56,623 psi | 89% | 2848 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 55,143 psi | 86% | 2910 fps | 99.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 51,068 psi | 80% | 3005 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,753 psi | 89% | 2904 fps | 98.9% |
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 2700 | <<locked>> | 80% | 52,228 psi | 82% | 2756 fps | 98.9% |
| Accurate 3100 | <<locked>> | 82% | 31,720 psi | 50% | 2425 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 52,098 psi | 82% | 2743 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 40,161 psi | 63% | 2631 fps | 99.3% |
| Accurate MAGPRO | <<locked>> | 94% | 49,269 psi | 77% | 2884 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 80% | 48,718 psi | 76% | 2723 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 41,292 psi | 65% | 2667 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 92% | 44,860 psi | 70% | 2769 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 35,534 psi | 56% | 2608 fps | 95.6% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 38,870 psi | 61% | 2612 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,574 psi | 78% | 2749 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,736 psi | 83% | 2818 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,885 psi | 61% | 2641 fps | 99.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,396 psi | 70% | 2762 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 41,060 psi | 64% | 2661 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 88% | 38,798 psi | 61% | 2657 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,660 psi | 45% | 2402 fps | 97.8% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,458 psi | 48% | 2464 fps | 95.2% |
| Alliant Reloder-26 | 55.6 gr | 80% | 30,719 psi | 48% | 2513 fps | 96.4% |
| Bofors RP15 | <<locked>> | 92% | 40,915 psi | 64% | 2703 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 50,111 psi | 79% | 2762 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 40,785 psi | 64% | 2733 fps | 95% |
| Bofors RP5 | <<locked>> | 88% | 38,798 psi | 61% | 2657 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 43,874 psi | 69% | 2641 fps | 97.6% |
| Hodgdon H1000 | <<locked>> | 96% | 41,234 psi | 65% | 2687 fps | 95% |
| Hodgdon H380 | <<locked>> | 80% | 50,415 psi | 79% | 2779 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 42,090 psi | 66% | 2680 fps | 97.7% |
| Hodgdon H4350 | <<locked>> | 80% | 44,875 psi | 70% | 2697 fps | 97.2% |
| Hodgdon H4831 | <<locked>> | 92% | 48,066 psi | 75% | 2779 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 47,079 psi | 74% | 2762 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,361 psi | 57% | 2530 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,377 psi | 60% | 2720 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 41,075 psi | 64% | 2694 fps | 97.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,369 psi | 43% | 1591 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,271 psi | 80% | 2756 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 53,374 psi | 84% | 2789 fps | 99.4% |
| IMR 4350 | <<locked>> | 80% | 39,494 psi | 62% | 2572 fps | 96.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,165 psi | 71% | 2667 fps | 98.2% |
| IMR 4831 | <<locked>> | 80% | 38,522 psi | 60% | 2582 fps | 99% |
| IMR 4895 | <<locked>> | 80% | 54,128 psi | 85% | 2844 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 46,891 psi | 73% | 2720 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 94% | 46,050 psi | 72% | 2808 fps | 95.9% |
| Lovex S062 | <<locked>> | 80% | 51,590 psi | 81% | 2749 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,757 psi | 67% | 2621 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 41,075 psi | 64% | 2605 fps | 97.6% |
| Lovex S071 | <<locked>> | 86% | 31,067 psi | 49% | 2405 fps | 95.1% |
| Norma 203B | <<locked>> | 80% | 52,098 psi | 82% | 2802 fps | 100% |
| Norma 204 | <<locked>> | 82% | 41,800 psi | 66% | 2657 fps | 95.8% |
| Norma MRP | 56.7 gr | 84% | 35,563 psi | 56% | 2608 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 39,842 psi | 62% | 2625 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 80% | 52,779 psi | 83% | 2828 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 42,815 psi | 67% | 2753 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 38,551 psi | 60% | 2612 fps | 97.6% |
| Ramshot Magnum | <<locked>> | 92% | 38,043 psi | 60% | 2628 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,050 psi | 44% | 1631 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 50,169 psi | 79% | 2759 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 47,137 psi | 74% | 2812 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,958 psi | 63% | 2648 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,551 psi | 60% | 2657 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,273 psi | 55% | 2635 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 53,505 psi | 84% | 2762 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 47,297 psi | 74% | 2713 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 42,786 psi | 67% | 2648 fps | 95% |
| Rottweil R 905 | <<locked>> | 86% | 40,292 psi | 63% | 2648 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 43,874 psi | 69% | 2641 fps | 97.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,757 psi | 67% | 2621 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 51,590 psi | 81% | 2749 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 41,075 psi | 64% | 2605 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,298 psi | 76% | 2762 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,008 psi | 75% | 2605 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,756 psi | 65% | 2566 fps | 97.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 39,929 psi | 63% | 2641 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 47,297 psi | 74% | 2707 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,731 psi | 73% | 2697 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 36,463 psi | 57% | 2582 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 35,882 psi | 56% | 2520 fps | 95.2% |
| Vihtavuori N135 | <<locked>> | 80% | 53,824 psi | 84% | 2720 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 54,012 psi | 85% | 2736 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 45,310 psi | 71% | 2635 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,133 psi | 64% | 2618 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 37,710 psi | 59% | 2556 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 52,272 psi | 82% | 2733 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,712 psi | 64% | 2625 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 31,865 psi | 50% | 2477 fps | 97.8% |
| Vihtavuori N560 | 62.1 gr | 92% | 47,181 psi | 74% | 2841 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 98% | 46,456 psi | 73% | 2818 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,263 psi | 63% | 2589 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,090 psi | 66% | 2680 fps | 97.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,309 psi | 40% | 2379 fps | 97% |
| Winchester Supreme 780 | <<locked>> | 88% | 40,161 psi | 63% | 2612 fps | 95.5% |
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 90 powders for 7 mm WSM loaded with the .284 | 155gr | Frontier PH HPFB. Alliant Reloder-26 delivers the highest muzzle velocity at 3,022 fps; across all powders the maximum-charge window runs from 1,781 fps to 3,022 fps. ADI AR 2225 gives the best case fill at 100 %, and 90 of the 90 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 155.0 gr projectile in 0.284" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-23, 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, Alliant Reloder-26 rank at the top here: for 7 mm WSM with the .284 | 155gr | Frontier PH HPFB 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.