Load Specifications
Load data in caliber 7 mm WSM with .284 | 145gr | SUS-TAC HPT bullet and 99 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-26 and Hodgdon Superformance.
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 2495 | <<locked>> | 82% | 55,085 psi | 86% | 2828 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 56,115 psi | 88% | 2897 fps | 98.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 53,998 psi | 85% | 2940 fps | 99.6% |
| Accurate 4064 | <<locked>> | 84% | 55,361 psi | 87% | 2884 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 56,202 psi | 88% | 2992 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 56,405 psi | 88% | 3087 fps | 96.3% |
| ADI AR 2206H | <<locked>> | 82% | 57,711 psi | 90% | 2959 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 55,564 psi | 87% | 2917 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,203 psi | 90% | 3038 fps | 98.5% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 54,810 psi | 86% | 3028 fps | 96.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 54,897 psi | 86% | 3041 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,333 psi | 88% | 2940 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 56,521 psi | 89% | 2963 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,797 psi | 89% | 3051 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 54,491 psi | 85% | 3018 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 56,608 psi | 89% | 3028 fps | 98.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 53,635 psi | 84% | 3025 fps | 98.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,647 psi | 79% | 2956 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,222 psi | 69% | 2881 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 98% | 54,302 psi | 85% | 3100 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,168 psi | 77% | 2946 fps | 97.1% |
| Bofors RP3 | <<locked>> | 86% | 57,276 psi | 90% | 2956 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 53,635 psi | 84% | 3025 fps | 98.1% |
| Bofors RP7 | <<locked>> | 90% | 56,550 psi | 89% | 2943 fps | 99% |
| Hodgdon H380 | <<locked>> | 86% | 57,682 psi | 90% | 2976 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 54,621 psi | 86% | 2989 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 88% | 54,607 psi | 86% | 2949 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 98% | 54,897 psi | 86% | 2972 fps | 96.3% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 57,551 psi | 90% | 3012 fps | 96.8% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 57,348 psi | 90% | 2969 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,303 psi | 87% | 2956 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 43,279 psi | 68% | 2907 fps | 96.2% |
| Hodgdon Superformance | <<locked>> | 90% | 54,940 psi | 86% | 3028 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,390 psi | 57% | 1831 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,970 psi | 88% | 2920 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 54,839 psi | 86% | 2897 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,493 psi | 90% | 2933 fps | 99.4% |
| IMR 4350 | <<locked>> | 94% | 57,580 psi | 90% | 2976 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 54,752 psi | 86% | 2917 fps | 99.1% |
| IMR 4831 | <<locked>> | 94% | 56,637 psi | 89% | 2982 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 54,346 psi | 85% | 2936 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 56,594 psi | 89% | 2963 fps | 96.8% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 52,257 psi | 82% | 2999 fps | 96.5% |
| Lovex S060 | <<locked>> | 82% | 56,391 psi | 88% | 2884 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,274 psi | 87% | 2894 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 54,853 psi | 86% | 2913 fps | 99.8% |
| Lovex S070 | <<locked>> | 92% | 56,173 psi | 88% | 2956 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,034 psi | 71% | 2789 fps | 98.5% |
| Norma 201 | <<locked>> | 82% | 56,478 psi | 89% | 2904 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,246 psi | 90% | 2897 fps | 100% |
| Norma 203B | <<locked>> | 84% | 55,811 psi | 87% | 2949 fps | 100% |
| Norma 204 | <<locked>> | 92% | 54,621 psi | 86% | 2972 fps | 97.9% |
| Norma MRPᴾ | <<locked>> | 100% | 57,159 psi | 90% | 3114 fps | 99.5% |
| Norma URP | <<locked>> | 92% | 54,955 psi | 86% | 2979 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 56,637 psi | 89% | 2976 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 52,475 psi | 82% | 3012 fps | 96.9% |
| Ramshot Hunter | <<locked>> | 94% | 57,479 psi | 90% | 3035 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,007 psi | 74% | 2884 fps | 97.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,028 psi | 58% | 1873 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 57,522 psi | 90% | 2959 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 57,566 psi | 90% | 3031 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,041 psi | 85% | 3015 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,043 psi | 88% | 3015 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 54,708 psi | 86% | 3045 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,178 psi | 68% | 2900 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 84% | 57,174 psi | 90% | 2904 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 57,479 psi | 90% | 2956 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,288 psi | 87% | 2949 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 98% | 55,825 psi | 87% | 3012 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 90% | 56,550 psi | 89% | 2943 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 90% | 54,853 psi | 86% | 2913 fps | 99.8% |
| Shooters World Precision | <<locked>> | 84% | 55,274 psi | 87% | 2894 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,173 psi | 88% | 2956 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 55,332 psi | 87% | 2963 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,144 psi | 88% | 2930 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,246 psi | 90% | 2828 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 54,752 psi | 86% | 2785 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 54,563 psi | 86% | 2864 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,332 psi | 87% | 3005 fps | 98.3% |
| Somchem S335 | <<locked>> | 82% | 56,927 psi | 89% | 2825 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,029 psi | 89% | 2946 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 57,276 psi | 90% | 2943 fps | 96.7% |
| Somchem S365 | <<locked>> | 94% | 54,273 psi | 85% | 2979 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 56,347 psi | 88% | 2986 fps | 99% |
| Vihtavuori N133 | <<locked>> | 82% | 57,740 psi | 90% | 2808 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 57,537 psi | 90% | 2858 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 57,711 psi | 90% | 2874 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,114 psi | 86% | 2874 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,000 psi | 89% | 2972 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 52,025 psi | 82% | 2900 fps | 98.1% |
| Vihtavuori N540 | <<locked>> | 84% | 56,028 psi | 88% | 2874 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,144 psi | 88% | 2976 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 56,869 psi | 89% | 3038 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 57,450 psi | 90% | 3104 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 56,826 psi | 89% | 2936 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 54,897 psi | 86% | 2992 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,832 psi | 72% | 3018 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 56,507 psi | 89% | 2940 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 56,739 psi | 89% | 2982 fps | 98.3% |
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 2495 | <<locked>> | 80% | 51,764 psi | 81% | 2782 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,385 psi | 77% | 2785 fps | 97.8% |
| Accurate 3100 | <<locked>> | 86% | 33,576 psi | 53% | 2543 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 49,052 psi | 77% | 2789 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,362 psi | 59% | 2651 fps | 98.1% |
| Accurate MAGPRO | <<locked>> | 98% | 52,402 psi | 82% | 3022 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 54,346 psi | 85% | 2910 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 46,209 psi | 72% | 2762 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 43,990 psi | 69% | 2799 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 96% | 47,877 psi | 75% | 2900 fps | 95.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,010 psi | 80% | 2979 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,557 psi | 73% | 2785 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,879 psi | 78% | 2854 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,260 psi | 57% | 2654 fps | 98.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,263 psi | 65% | 2789 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 43,569 psi | 68% | 2792 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 41,220 psi | 65% | 2785 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,716 psi | 42% | 2408 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 92% | 34,258 psi | 54% | 2641 fps | 96% |
| Alliant Reloder-26 | 56.3 gr | 82% | 30,487 psi | 48% | 2575 fps | 95.1% |
| Bofors RP15 | <<locked>> | 96% | 43,221 psi | 68% | 2828 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 46,949 psi | 74% | 2795 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 41,220 psi | 65% | 2785 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 41,278 psi | 65% | 2664 fps | 96.1% |
| Hodgdon H380 | <<locked>> | 80% | 47,398 psi | 74% | 2808 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 39,218 psi | 61% | 2694 fps | 96.1% |
| Hodgdon H4350 | <<locked>> | 80% | 42,105 psi | 66% | 2713 fps | 95.5% |
| Hodgdon H4831 | <<locked>> | 96% | 51,285 psi | 80% | 2910 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 96% | 50,227 psi | 79% | 2890 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,852 psi | 53% | 2549 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,517 psi | 81% | 2900 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 40,553 psi | 64% | 2841 fps | 95.1% |
| Hodgdon Superformance | 56.6 gr | 80% | 38,159 psi | 60% | 2700 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,180 psi | 43% | 1634 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,446 psi | 82% | 2867 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,617 psi | 76% | 2795 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,850 psi | 80% | 2825 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 39,537 psi | 62% | 2648 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,830 psi | 67% | 2697 fps | 97% |
| IMR 4831 | <<locked>> | 80% | 35,781 psi | 56% | 2598 fps | 97.8% |
| IMR 4895 | <<locked>> | 80% | 51,184 psi | 80% | 2884 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,009 psi | 78% | 2851 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 98% | 48,820 psi | 77% | 2933 fps | 95.6% |
| Lovex S060 | <<locked>> | 80% | 53,214 psi | 83% | 2835 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 48,820 psi | 77% | 2792 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,393 psi | 63% | 2648 fps | 97.7% |
| Lovex S070 | <<locked>> | 80% | 38,493 psi | 60% | 2625 fps | 96.1% |
| Lovex S071 | <<locked>> | 92% | 34,693 psi | 54% | 2572 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 53,229 psi | 83% | 2854 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,650 psi | 84% | 2848 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,255 psi | 77% | 2841 fps | 100% |
| Norma 204 | <<locked>> | 86% | 44,686 psi | 70% | 2792 fps | 95.7% |
| Norma MRP | <<locked>> | 88% | 37,652 psi | 59% | 2736 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 37,057 psi | 58% | 2641 fps | 98% |
| Ramshot Big Game | <<locked>> | 80% | 49,501 psi | 78% | 2864 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 48,878 psi | 77% | 2946 fps | 96% |
| Ramshot Hunter | <<locked>> | 80% | 35,868 psi | 56% | 2625 fps | 95.9% |
| Ramshot Magnum | <<locked>> | 96% | 40,611 psi | 64% | 2756 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,615 psi | 43% | 1673 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,311 psi | 74% | 2789 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 53,795 psi | 84% | 2976 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,845 psi | 69% | 2844 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,985 psi | 58% | 2664 fps | 97.8% |
| ReloadSwiss RS 70 | 54.4 gr | 80% | 35,998 psi | 56% | 2667 fps | 97.1% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 37,463 psi | 59% | 2756 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 50,473 psi | 79% | 2802 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,193 psi | 69% | 2743 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 48,689 psi | 76% | 2835 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 90% | 42,699 psi | 67% | 2776 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 41,278 psi | 65% | 2664 fps | 96.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,393 psi | 63% | 2648 fps | 97.7% |
| Shooters World Precision | <<locked>> | 80% | 48,820 psi | 77% | 2792 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,493 psi | 60% | 2625 fps | 96.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,281 psi | 71% | 2795 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,663 psi | 83% | 2877 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 53,867 psi | 84% | 2782 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,542 psi | 71% | 2648 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,523 psi | 62% | 2589 fps | 96.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 42,308 psi | 66% | 2769 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 53,693 psi | 84% | 2782 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 44,614 psi | 70% | 2743 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 50,140 psi | 79% | 2828 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 33,576 psi | 53% | 2598 fps | 99.6% |
| Somchem S385 | <<locked>> | 86% | 38,087 psi | 60% | 2644 fps | 95% |
| Vihtavuori N133 | <<locked>> | 80% | 54,389 psi | 85% | 2766 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 50,850 psi | 80% | 2766 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,952 psi | 80% | 2779 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 42,525 psi | 67% | 2667 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,551 psi | 60% | 2644 fps | 98.3% |
| Vihtavuori N165 | <<locked>> | 92% | 39,929 psi | 63% | 2677 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 49,342 psi | 77% | 2776 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,985 psi | 60% | 2644 fps | 98% |
| Vihtavuori N555 | <<locked>> | 80% | 29,341 psi | 46% | 2484 fps | 96% |
| Vihtavuori N560 | <<locked>> | 96% | 49,995 psi | 78% | 2972 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,536 psi | 59% | 2608 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 39,218 psi | 61% | 2694 fps | 96.1% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,077 psi | 39% | 2428 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 52,721 psi | 83% | 2884 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 42,946 psi | 67% | 2743 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 105 powders for 7 mm WSM loaded with the .284 | 145gr | SUS-TAC HPT. Norma MRP delivers the highest muzzle velocity at 3,114 fps; across all powders the maximum-charge window runs from 1,831 fps to 3,114 fps. Accurate 3100 gives the best case fill at 100 %, and 105 of the 105 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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. ReloadSwiss RS 70, Alliant Reloder-26, Hodgdon Superformance rank at the top here: for 7 mm WSM with the .284 | 145gr | SUS-TAC HPT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, ADI AR 2225, Baschieri & Pellagri 109 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.