Load Specifications
Load data in caliber 7 mm Weath. Mag. with .284 | 145gr | Brenneke Teilmantel bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Norma MRP and Vihtavuori N560.
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>> | 94% | 54,665 psi | 86% | 2986 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 55,956 psi | 88% | 3022 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 57,072 psi | 89% | 3136 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 57,014 psi | 89% | 2986 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 56,753 psi | 89% | 3077 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 94% | 54,534 psi | 85% | 3077 fps | 98% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 49,008 psi | 77% | 2966 fps | 97.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,642 psi | 68% | 2917 fps | 98.8% |
| Alliant Reloder-16 | <<locked>> | 88% | 56,826 psi | 89% | 3081 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,099 psi | 85% | 3035 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 56,289 psi | 88% | 3064 fps | 99.1% |
| Alliant Reloder-22 | <<locked>> | 94% | 54,578 psi | 86% | 3074 fps | 99% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,796 psi | 87% | 3054 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 55,085 psi | 86% | 3110 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 56,362 psi | 88% | 3143 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 57,348 psi | 90% | 3120 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 51,068 psi | 80% | 3038 fps | 97.9% |
| Bofors RP5 | <<locked>> | 94% | 54,578 psi | 86% | 3074 fps | 99% |
| Bofors RP7 | <<locked>> | 84% | 54,752 psi | 86% | 2966 fps | 99.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 53,867 psi | 84% | 3058 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 86% | 57,624 psi | 90% | 3074 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 56,666 psi | 89% | 3035 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 92% | 54,433 psi | 85% | 3015 fps | 97.4% |
| Hodgdon H4831 SC | <<locked>> | 94% | 57,145 psi | 90% | 3058 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 57,014 psi | 89% | 2999 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,911 psi | 84% | 3176 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 84% | 54,433 psi | 85% | 3054 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,086 psi | 58% | 1913 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 56,391 psi | 88% | 3005 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,130 psi | 88% | 2989 fps | 99.7% |
| IMR 4831 | <<locked>> | 88% | 56,289 psi | 88% | 3012 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 55,550 psi | 87% | 2999 fps | 97.8% |
| IMR 7828 SSC | <<locked>> | 96% | 56,260 psi | 88% | 3117 fps | 98.4% |
| Lovex S065 | <<locked>> | 86% | 56,840 psi | 89% | 2992 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 55,027 psi | 86% | 2982 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,898 psi | 88% | 3002 fps | 100% |
| Norma 204 | <<locked>> | 88% | 57,406 psi | 90% | 3064 fps | 99.1% |
| Norma 217ᴾ | <<locked>> | 100% | 39,131 psi | 61% | 2835 fps | 96.8% |
| Norma MRP | <<locked>> | 92% | 54,491 psi | 85% | 3097 fps | 99.7% |
| Norma URP | <<locked>> | 86% | 54,389 psi | 85% | 3005 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 57,029 psi | 89% | 3140 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 88% | 56,826 psi | 89% | 3064 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 55,259 psi | 87% | 3068 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,898 psi | 59% | 1959 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 57,595 psi | 90% | 3081 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 56,130 psi | 88% | 3045 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 54,288 psi | 85% | 3071 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,810 psi | 86% | 3173 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,763 psi | 78% | 3048 fps | 96.2% |
| Rottweil R 903 | <<locked>> | 82% | 56,101 psi | 88% | 2969 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 54,375 psi | 85% | 2986 fps | 98% |
| Rottweil R 905 | <<locked>> | 92% | 55,869 psi | 88% | 3054 fps | 99.2% |
| Rottweil R 907 | <<locked>> | 84% | 54,752 psi | 86% | 2966 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 86% | 56,840 psi | 89% | 2992 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 55,027 psi | 86% | 2982 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 57,566 psi | 90% | 3028 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 55,941 psi | 88% | 2841 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,246 psi | 88% | 2943 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,419 psi | 87% | 3051 fps | 99.1% |
| Somchem S355 | <<locked>> | 82% | 55,695 psi | 87% | 2963 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 56,101 psi | 88% | 2982 fps | 97.7% |
| Somchem S365 | <<locked>> | 88% | 54,824 psi | 86% | 3009 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,449 psi | 88% | 3028 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 84% | 56,971 psi | 89% | 2936 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 56,144 psi | 88% | 2999 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,985 psi | 88% | 3005 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 86% | 55,506 psi | 87% | 3002 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,331 psi | 85% | 3025 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,360 psi | 85% | 3087 fps | 97.6% |
| Vihtavuori N565 | <<locked>> | 98% | 54,085 psi | 85% | 3064 fps | 97.8% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,695 psi | 87% | 2953 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,056 psi | 85% | 3018 fps | 99.7% |
| Winchester StaBALL HD | <<locked>> | 98% | 57,479 psi | 90% | 3189 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 56,434 psi | 88% | 3022 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% | 34,098 psi | 53% | 2575 fps | 96.4% |
| Accurate 4350 | <<locked>> | 80% | 45,730 psi | 72% | 2848 fps | 99.9% |
| Accurate MAGPRO | <<locked>> | 90% | 49,603 psi | 78% | 3002 fps | 95.9% |
| ADI AR 2208 | <<locked>> | 80% | 53,548 psi | 84% | 2930 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 40,596 psi | 64% | 2766 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 88% | 44,527 psi | 70% | 2881 fps | 95.5% |
| ADI AR 2217 | <<locked>> | 96% | 42,888 psi | 67% | 2838 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 94% | 35,839 psi | 56% | 2723 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,729 psi | 69% | 2854 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,386 psi | 79% | 2976 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 40,683 psi | 64% | 2762 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 84% | 38,885 psi | 61% | 2759 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,561 psi | 51% | 2602 fps | 99% |
| Alliant Reloder-25 | <<locked>> | 82% | 30,342 psi | 48% | 2556 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,621 psi | 56% | 2736 fps | 98.2% |
| Bofors RP15 | <<locked>> | 86% | 38,566 psi | 60% | 2749 fps | 95% |
| Bofors RP30 | <<locked>> | 94% | 41,510 psi | 65% | 2848 fps | 95.4% |
| Bofors RP5 | <<locked>> | 84% | 38,885 psi | 61% | 2759 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 48,269 psi | 76% | 2851 fps | 98.6% |
| Hodgdon H1000 | <<locked>> | 92% | 41,017 psi | 64% | 2799 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 47,369 psi | 74% | 2897 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 80% | 49,748 psi | 78% | 2910 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 88% | 47,558 psi | 75% | 2887 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 88% | 46,717 psi | 73% | 2871 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,263 psi | 65% | 2733 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 38,682 psi | 61% | 2838 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 46,876 psi | 73% | 2917 fps | 98.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,673 psi | 43% | 1709 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,714 psi | 69% | 2776 fps | 97.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,603 psi | 78% | 2877 fps | 99.1% |
| IMR 4831 | <<locked>> | 80% | 43,482 psi | 68% | 2792 fps | 99.7% |
| IMR 4955 Enduron | <<locked>> | 86% | 46,079 psi | 72% | 2825 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 88% | 42,656 psi | 67% | 2851 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 47,195 psi | 74% | 2825 fps | 99.5% |
| Lovex S070 | <<locked>> | 80% | 45,585 psi | 71% | 2812 fps | 98.7% |
| Lovex S071 | <<locked>> | 82% | 31,285 psi | 49% | 2500 fps | 95.1% |
| Norma 204 | <<locked>> | 80% | 43,700 psi | 68% | 2808 fps | 96.5% |
| Norma 217 | <<locked>> | 98% | 36,622 psi | 57% | 2769 fps | 95.8% |
| Norma MRP | 63.6 gr | 80% | 35,418 psi | 56% | 2700 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 44,759 psi | 70% | 2831 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 42,612 psi | 67% | 2864 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 43,526 psi | 68% | 2822 fps | 98.8% |
| Ramshot Magnum | <<locked>> | 88% | 38,101 psi | 60% | 2733 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,282 psi | 44% | 1749 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 53,563 psi | 84% | 3022 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,600 psi | 71% | 2864 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,685 psi | 68% | 2877 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 35,505 psi | 56% | 2746 fps | 95.7% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 45,977 psi | 72% | 2969 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 52,605 psi | 82% | 2917 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 42,076 psi | 66% | 2749 fps | 95% |
| Rottweil R 905 | <<locked>> | 82% | 39,958 psi | 63% | 2746 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 48,269 psi | 76% | 2851 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,195 psi | 74% | 2825 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 80% | 45,585 psi | 71% | 2812 fps | 98.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 53,853 psi | 84% | 2972 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,460 psi | 82% | 2792 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,253 psi | 72% | 2772 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 39,624 psi | 62% | 2743 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 52,301 psi | 82% | 2910 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 45,919 psi | 72% | 2799 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 41,655 psi | 65% | 2785 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,942 psi | 59% | 2671 fps | 96% |
| Vihtavuori N150 | <<locked>> | 80% | 50,140 psi | 79% | 2831 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,238 psi | 72% | 2831 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 37,565 psi | 59% | 2654 fps | 95.5% |
| Vihtavuori N550 | <<locked>> | 80% | 45,614 psi | 71% | 2831 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 36,666 psi | 57% | 2684 fps | 99% |
| Vihtavuori N560 | 70 gr | 88% | 47,239 psi | 74% | 2956 fps | 95.9% |
| Vihtavuori N565 | <<locked>> | 92% | 44,034 psi | 69% | 2871 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,281 psi | 71% | 2789 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,369 psi | 74% | 2897 fps | 98.9% |
| Winchester StaBALL HD | 62.9 gr | 80% | 28,950 psi | 45% | 2602 fps | 99% |
| Winchester Supreme 780 | <<locked>> | 84% | 39,885 psi | 63% | 2713 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 74 powders for 7 mm Weath. Mag. loaded with the .284 | 145gr | Brenneke Teilmantel. Winchester StaBALL HD delivers the highest muzzle velocity at 3,189 fps; across all powders the maximum-charge window runs from 1,913 fps to 3,189 fps. ADI AR 2217 gives the best case fill at 100 %, and 74 of the 74 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 145.0 gr projectile in 0.284" calls for a 1:13.0 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. Winchester StaBALL HD, Norma MRP, Vihtavuori N560 rank at the top here: for 7 mm Weath. Mag. with the .284 | 145gr | Brenneke Teilmantel 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.