
Load Specifications
Load data in caliber 7 mm WSM with .284 | 128gr | IBEX TRD bullet and 87 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 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% | 56,434 psi | 88% | 3018 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 56,753 psi | 89% | 3071 fps | 98.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 54,926 psi | 86% | 3117 fps | 99.2% |
| Accurate 4064 | <<locked>> | 84% | 56,782 psi | 89% | 3077 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 57,058 psi | 89% | 3176 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 55,593 psi | 87% | 3091 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,377 psi | 90% | 3209 fps | 97.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 54,926 psi | 86% | 3222 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,753 psi | 89% | 3123 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 57,000 psi | 89% | 3146 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,971 psi | 89% | 3228 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 54,694 psi | 86% | 3199 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 56,797 psi | 89% | 3196 fps | 97.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 53,983 psi | 85% | 3192 fps | 97.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,068 psi | 80% | 3130 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,715 psi | 70% | 3041 fps | 98.4% |
| Alliant Reloder-26 | <<locked>> | 98% | 54,810 psi | 86% | 3278 fps | 99.9% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,748 psi | 78% | 3114 fps | 96.2% |
| Bofors RP3 | <<locked>> | 84% | 54,404 psi | 85% | 3087 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 53,983 psi | 85% | 3192 fps | 97.3% |
| Bofors RP7 | <<locked>> | 90% | 56,927 psi | 89% | 3117 fps | 98.4% |
| Hodgdon H380 | <<locked>> | 84% | 54,520 psi | 85% | 3097 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 90% | 54,984 psi | 86% | 3163 fps | 98.6% |
| Hodgdon H4350 | <<locked>> | 88% | 54,650 psi | 86% | 3117 fps | 97.5% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 57,566 psi | 90% | 3150 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,434 psi | 87% | 3136 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 55,230 psi | 87% | 3199 fps | 98.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,593 psi | 57% | 1965 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,231 psi | 88% | 3100 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 55,187 psi | 86% | 3077 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,682 psi | 90% | 3107 fps | 98.9% |
| IMR 4350 | <<locked>> | 94% | 57,725 psi | 90% | 3146 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,013 psi | 86% | 3087 fps | 98.5% |
| IMR 4831 | <<locked>> | 94% | 57,000 psi | 89% | 3163 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 54,795 psi | 86% | 3117 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 56,840 psi | 89% | 3130 fps | 95.8% |
| Lovex S060 | <<locked>> | 82% | 56,579 psi | 89% | 3061 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,898 psi | 88% | 3077 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,361 psi | 87% | 3087 fps | 99.4% |
| Lovex S070 | <<locked>> | 92% | 56,637 psi | 89% | 3130 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,905 psi | 72% | 2956 fps | 97.8% |
| Norma 201 | <<locked>> | 82% | 57,072 psi | 89% | 3087 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,522 psi | 90% | 3084 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,289 psi | 88% | 3130 fps | 100% |
| Norma 204 | <<locked>> | 92% | 54,897 psi | 86% | 3140 fps | 97% |
| Norma MRPᴾ | <<locked>> | 100% | 57,653 psi | 90% | 3291 fps | 99% |
| Norma URP | <<locked>> | 92% | 55,216 psi | 87% | 3153 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 84% | 56,956 psi | 89% | 3156 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 57,522 psi | 90% | 3205 fps | 99.5% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,674 psi | 75% | 3048 fps | 96.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,217 psi | 58% | 2011 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 54,404 psi | 85% | 3077 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,186 psi | 85% | 3196 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,608 psi | 89% | 3196 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 54,940 psi | 86% | 3222 fps | 99.8% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,048 psi | 69% | 3058 fps | 96.3% |
| Rottweil R 902 | <<locked>> | 82% | 54,592 psi | 86% | 3038 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 54,476 psi | 85% | 3084 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,593 psi | 87% | 3117 fps | 96.1% |
| Rottweil R 905 | <<locked>> | 98% | 56,159 psi | 88% | 3182 fps | 97.7% |
| Rottweil R 907 | <<locked>> | 90% | 56,927 psi | 89% | 3117 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,361 psi | 87% | 3087 fps | 99.4% |
| Shooters World Precision | <<locked>> | 84% | 55,898 psi | 88% | 3077 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,637 psi | 89% | 3130 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 55,448 psi | 87% | 3136 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,449 psi | 88% | 3110 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,508 psi | 90% | 3012 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,100 psi | 86% | 2963 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,129 psi | 86% | 3035 fps | 98.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,666 psi | 87% | 3176 fps | 97.5% |
| Somchem S335 | <<locked>> | 82% | 57,348 psi | 90% | 3009 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,711 psi | 90% | 3130 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 54,505 psi | 85% | 3163 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 56,971 psi | 89% | 3156 fps | 98.4% |
| Vihtavuori N135 | <<locked>> | 82% | 54,549 psi | 85% | 2995 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 54,621 psi | 86% | 3009 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,622 psi | 87% | 3051 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,334 psi | 90% | 3146 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 52,504 psi | 82% | 3068 fps | 97.4% |
| Vihtavuori N540 | <<locked>> | 84% | 56,333 psi | 88% | 3054 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,739 psi | 89% | 3156 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,435 psi | 90% | 3219 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 56,869 psi | 89% | 3107 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 55,230 psi | 87% | 3166 fps | 98.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,514 psi | 73% | 3192 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 56,927 psi | 89% | 3123 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 57,116 psi | 90% | 3150 fps | 97.6% |
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% | 53,084 psi | 83% | 2969 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,777 psi | 78% | 2949 fps | 96.9% |
| Accurate 3100 | <<locked>> | 88% | 37,130 psi | 58% | 2766 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 50,241 psi | 79% | 2972 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,392 psi | 60% | 2818 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 80% | 46,528 psi | 73% | 2930 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 92% | 47,514 psi | 74% | 3025 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,155 psi | 80% | 3153 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,224 psi | 74% | 2959 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,372 psi | 79% | 3031 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,999 psi | 58% | 2818 fps | 97.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,640 psi | 65% | 2953 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 46,992 psi | 74% | 3015 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 47,442 psi | 74% | 3071 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 82% | 29,341 psi | 46% | 2618 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 94% | 37,289 psi | 58% | 2858 fps | 95.9% |
| Alliant Reloder-26 | 61.1 gr | 84% | 33,736 psi | 53% | 2805 fps | 95.3% |
| Bofors RP15 | <<locked>> | 98% | 46,586 psi | 73% | 3051 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 47,950 psi | 75% | 2979 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 47,442 psi | 74% | 3071 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 42,119 psi | 66% | 2828 fps | 95.1% |
| Hodgdon H380 | <<locked>> | 80% | 48,138 psi | 75% | 2982 fps | 99% |
| Hodgdon H414 | <<locked>> | 80% | 39,856 psi | 62% | 2858 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 82% | 45,339 psi | 71% | 2936 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,548 psi | 54% | 2710 fps | 98.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,967 psi | 81% | 3081 fps | 100% |
| Hodgdon Superformance | 61.5 gr | 82% | 41,713 psi | 65% | 2927 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,340 psi | 43% | 1759 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,692 psi | 83% | 3045 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,936 psi | 77% | 2966 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,053 psi | 80% | 2992 fps | 97.9% |
| IMR 4350 | <<locked>> | 84% | 42,598 psi | 67% | 2861 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,134 psi | 68% | 2854 fps | 95.9% |
| IMR 4831 | <<locked>> | 80% | 36,651 psi | 57% | 2762 fps | 97% |
| IMR 4895 | <<locked>> | 80% | 51,605 psi | 81% | 3064 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 53,592 psi | 84% | 3071 fps | 95.1% |
| Lovex S060 | <<locked>> | 80% | 53,374 psi | 84% | 3009 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,429 psi | 77% | 2969 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,104 psi | 64% | 2812 fps | 96.9% |
| Lovex S070 | <<locked>> | 80% | 39,421 psi | 62% | 2789 fps | 95.1% |
| Lovex S071 | <<locked>> | 94% | 38,218 psi | 60% | 2792 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 53,766 psi | 84% | 3035 fps | 100% |
| Norma 202 | <<locked>> | 80% | 54,201 psi | 85% | 3031 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,734 psi | 78% | 3018 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 48,080 psi | 75% | 3015 fps | 95.4% |
| Norma MRP | <<locked>> | 90% | 41,133 psi | 64% | 2963 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 37,782 psi | 59% | 2805 fps | 97.2% |
| Ramshot Big Game | <<locked>> | 80% | 49,835 psi | 78% | 3035 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 82% | 38,972 psi | 61% | 2844 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 98% | 44,266 psi | 69% | 2976 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,978 psi | 44% | 1804 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,964 psi | 75% | 2959 fps | 97.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,092 psi | 69% | 3015 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,869 psi | 59% | 2831 fps | 97% |
| ReloadSwiss RS 70 | 57.6 gr | 80% | 36,651 psi | 57% | 2828 fps | 96% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 41,104 psi | 64% | 2982 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 51,227 psi | 80% | 2982 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 45,150 psi | 71% | 2920 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 94% | 52,344 psi | 82% | 3061 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 92% | 46,093 psi | 72% | 2995 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 42,119 psi | 66% | 2828 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,104 psi | 64% | 2812 fps | 96.9% |
| Shooters World Precision | <<locked>> | 80% | 49,429 psi | 77% | 2969 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,421 psi | 62% | 2789 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,919 psi | 72% | 2969 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,243 psi | 83% | 3058 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,346 psi | 85% | 2966 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,079 psi | 72% | 2822 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,306 psi | 63% | 2749 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 45,658 psi | 72% | 2989 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 54,157 psi | 85% | 2963 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 45,281 psi | 71% | 2913 fps | 99.8% |
| Somchem S365 | <<locked>> | 80% | 34,389 psi | 54% | 2762 fps | 99.1% |
| Somchem S385 | <<locked>> | 90% | 44,164 psi | 69% | 2923 fps | 95.7% |
| Vihtavuori N135 | <<locked>> | 80% | 51,561 psi | 81% | 2953 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,474 psi | 81% | 2959 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 43,250 psi | 68% | 2838 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,189 psi | 61% | 2805 fps | 97.5% |
| Vihtavuori N165 | <<locked>> | 94% | 43,424 psi | 68% | 2894 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 49,922 psi | 78% | 2953 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,812 psi | 61% | 2808 fps | 97.2% |
| Vihtavuori N555 | <<locked>> | 80% | 30,385 psi | 48% | 2648 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,290 psi | 60% | 2769 fps | 99.2% |
| Winchester 760 | <<locked>> | 80% | 40,074 psi | 63% | 2861 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 84% | 27,862 psi | 44% | 2648 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 53,156 psi | 83% | 3064 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 46,470 psi | 73% | 2959 fps | 95.2% |
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 101 powders for 7 mm WSM loaded with the .284 | 128gr | IBEX TRD. Norma MRP delivers the highest muzzle velocity at 3,291 fps; across all powders the maximum-charge window runs from 1,965 fps to 3,291 fps. Accurate 3100 gives the best case fill at 100 %, and 101 of the 101 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 128.0 gr projectile in 0.284" calls for a 1:11.0 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. Alliant Reloder-26, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for 7 mm WSM with the .284 | 128gr | IBEX TRD they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2225, Baschieri & Pellagri 109, Bofors RP30 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.