Load Specifications
Load data in caliber 7 mm Weath. Mag. with .284 | 160gr | Reichenberg Mag Drückjagd bullet and 75 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Vihtavuori N560 and Norma MRP.
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% | 54,897 psi | 86% | 2858 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 56,391 psi | 88% | 2894 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 57,653 psi | 90% | 3018 fps | 98.4% |
| ADI AR 2208 | <<locked>> | 82% | 57,406 psi | 90% | 2851 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 57,508 psi | 90% | 2956 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 94% | 55,013 psi | 86% | 2956 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 49,371 psi | 77% | 2854 fps | 98.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,932 psi | 69% | 2808 fps | 99.4% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 57,450 psi | 90% | 2949 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 88% | 57,435 psi | 90% | 2949 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,868 psi | 86% | 2907 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 56,739 psi | 89% | 2940 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 54,969 psi | 86% | 2949 fps | 99.5% |
| Alliant Reloder-23 | <<locked>> | 96% | 56,202 psi | 88% | 2920 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 55,709 psi | 87% | 2986 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 56,927 psi | 89% | 3015 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 56,985 psi | 89% | 2923 fps | 96.6% |
| Bofors RP15 | <<locked>> | 98% | 57,696 psi | 90% | 2992 fps | 99.7% |
| Bofors RP30ᴾ | <<locked>> | 100% | 51,605 psi | 81% | 2923 fps | 98.7% |
| Bofors RP5 | <<locked>> | 94% | 54,969 psi | 86% | 2949 fps | 99.5% |
| Bofors RP7 | <<locked>> | 84% | 55,187 psi | 86% | 2841 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 54,578 psi | 86% | 2946 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 84% | 54,447 psi | 85% | 2890 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 57,232 psi | 90% | 2910 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 92% | 55,013 psi | 86% | 2897 fps | 98.2% |
| Hodgdon H4831 SC | <<locked>> | 94% | 57,580 psi | 90% | 2936 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 57,580 psi | 90% | 2867 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 54,636 psi | 86% | 3058 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 54,998 psi | 86% | 2930 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,043 psi | 58% | 1808 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 56,956 psi | 89% | 2884 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,768 psi | 89% | 2867 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 56,710 psi | 89% | 2884 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 56,144 psi | 88% | 2881 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 96% | 56,927 psi | 89% | 2995 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 57,188 psi | 90% | 2861 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 55,419 psi | 87% | 2858 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,941 psi | 88% | 2874 fps | 100% |
| Norma 204 | <<locked>> | 86% | 54,172 psi | 85% | 2881 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 39,436 psi | 62% | 2730 fps | 97.8% |
| Norma MRP | <<locked>> | 92% | 55,013 psi | 86% | 2972 fps | 100% |
| Norma URP | <<locked>> | 86% | 54,897 psi | 86% | 2874 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 53,592 psi | 84% | 2956 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 88% | 57,406 psi | 90% | 2936 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 56,014 psi | 88% | 2949 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,884 psi | 59% | 1854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 56,579 psi | 89% | 2920 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 55,071 psi | 86% | 2949 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 55,259 psi | 87% | 3054 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 50,125 psi | 79% | 2933 fps | 97.2% |
| Rottweil R 903 | <<locked>> | 82% | 56,362 psi | 88% | 2838 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 54,984 psi | 86% | 2871 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 92% | 56,246 psi | 88% | 2930 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 84% | 55,187 psi | 86% | 2841 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 86% | 57,188 psi | 90% | 2861 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 55,419 psi | 87% | 2858 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 56,318 psi | 88% | 2710 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,463 psi | 88% | 2818 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,811 psi | 87% | 2923 fps | 99.6% |
| Somchem S355 | <<locked>> | 82% | 55,927 psi | 88% | 2831 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 56,463 psi | 88% | 2861 fps | 98.4% |
| Somchem S365 | <<locked>> | 88% | 55,390 psi | 87% | 2881 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,797 psi | 89% | 2904 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 84% | 57,261 psi | 90% | 2805 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 56,753 psi | 89% | 2871 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 56,449 psi | 88% | 2887 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 86% | 55,680 psi | 87% | 2874 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,694 psi | 86% | 2897 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,868 psi | 86% | 2969 fps | 98.4% |
| Vihtavuori N565 | <<locked>> | 98% | 54,549 psi | 85% | 2946 fps | 98.6% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 51,387 psi | 81% | 2943 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 56,173 psi | 88% | 2825 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,708 psi | 86% | 2897 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 96% | 54,012 psi | 85% | 3002 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 56,898 psi | 89% | 2900 fps | 99.6% |
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 3100 | <<locked>> | 80% | 33,866 psi | 53% | 2464 fps | 97.2% |
| Accurate 4350 | <<locked>> | 80% | 45,759 psi | 72% | 2723 fps | 100% |
| Accurate MAGPRO | <<locked>> | 86% | 43,250 psi | 68% | 2756 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 53,983 psi | 85% | 2802 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 38,290 psi | 60% | 2598 fps | 95.9% |
| ADI AR 2213 | <<locked>> | 86% | 41,727 psi | 65% | 2703 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 94% | 40,292 psi | 63% | 2667 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 92% | 33,605 psi | 53% | 2559 fps | 96.2% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,638 psi | 61% | 2598 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 44,121 psi | 69% | 2733 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,908 psi | 80% | 2851 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,290 psi | 60% | 2592 fps | 96% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,463 psi | 57% | 2589 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,648 psi | 51% | 2493 fps | 99.6% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,398 psi | 45% | 2395 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,868 psi | 56% | 2631 fps | 99% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 53,388 psi | 84% | 2861 fps | 95.8% |
| Bofors RP15 | <<locked>> | 84% | 36,158 psi | 57% | 2579 fps | 95.1% |
| Bofors RP30 | <<locked>> | 92% | 38,885 psi | 61% | 2674 fps | 95.5% |
| Bofors RP5 | <<locked>> | 82% | 36,463 psi | 57% | 2589 fps | 95.4% |
| Bofors RP7 | <<locked>> | 80% | 48,486 psi | 76% | 2730 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 38,406 psi | 60% | 2628 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 80% | 47,587 psi | 75% | 2776 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 50,154 psi | 79% | 2792 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 41,829 psi | 66% | 2654 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,816 psi | 69% | 2694 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,495 psi | 65% | 2615 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 36,289 psi | 57% | 2664 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 47,195 psi | 74% | 2799 fps | 99.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,746 psi | 43% | 1617 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 44,092 psi | 69% | 2664 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 50,038 psi | 78% | 2756 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 43,555 psi | 68% | 2671 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 43,497 psi | 68% | 2654 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 86% | 40,118 psi | 63% | 2680 fps | 95.2% |
| Lovex S065 | <<locked>> | 80% | 47,355 psi | 74% | 2703 fps | 99.8% |
| Lovex S070 | <<locked>> | 80% | 45,818 psi | 72% | 2694 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 28,993 psi | 45% | 2336 fps | 95.1% |
| Norma 204 | <<locked>> | 80% | 44,077 psi | 69% | 2697 fps | 97.5% |
| Norma 217 | <<locked>> | 96% | 34,287 psi | 54% | 2602 fps | 95.9% |
| Norma MRP | 60.9 gr | 80% | 35,520 psi | 56% | 2592 fps | 96.6% |
| Norma URP | <<locked>> | 80% | 45,092 psi | 71% | 2713 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 39,798 psi | 62% | 2687 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 80% | 43,888 psi | 69% | 2707 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 86% | 35,375 psi | 55% | 2562 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,369 psi | 44% | 1657 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,847 psi | 72% | 2746 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 44,135 psi | 69% | 2762 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,909 psi | 52% | 2569 fps | 95.6% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,859 psi | 67% | 2792 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 52,895 psi | 83% | 2789 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 39,682 psi | 62% | 2582 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 80% | 37,420 psi | 59% | 2572 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 80% | 48,486 psi | 76% | 2730 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,355 psi | 74% | 2703 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 80% | 45,818 psi | 72% | 2694 fps | 99.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,881 psi | 83% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,325 psi | 73% | 2654 fps | 99.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,101 psi | 58% | 2569 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 52,562 psi | 82% | 2779 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 42,975 psi | 67% | 2625 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 42,047 psi | 66% | 2667 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,956 psi | 59% | 2559 fps | 96.9% |
| Vihtavuori N150 | <<locked>> | 80% | 50,488 psi | 79% | 2707 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,485 psi | 73% | 2710 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 35,128 psi | 55% | 2487 fps | 95.6% |
| Vihtavuori N550 | <<locked>> | 80% | 45,847 psi | 72% | 2710 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,550 psi | 57% | 2566 fps | 99.5% |
| Vihtavuori N560 | 64 gr | 84% | 41,365 psi | 65% | 2713 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 90% | 41,336 psi | 65% | 2700 fps | 95.4% |
| Vihtavuori N568 | <<locked>> | 98% | 47,601 psi | 75% | 2871 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,527 psi | 71% | 2667 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,776 psi | 75% | 2779 fps | 99.4% |
| Winchester StaBALL HD | 60.3 gr | 80% | 28,906 psi | 45% | 2503 fps | 99.6% |
| Winchester Supreme 780 | <<locked>> | 82% | 37,231 psi | 58% | 2543 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 75 powders for 7 mm Weath. Mag. loaded with the .284 | 160gr | Reichenberg Mag Drückjagd. Hodgdon Retumbo delivers the highest muzzle velocity at 3,058 fps; across all powders the maximum-charge window runs from 1,808 fps to 3,058 fps. ADI AR 2217 gives the best case fill at 100 %, and 75 of the 75 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 160.0 gr projectile in 0.284" calls for a 1:11.0 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, Vihtavuori N560, Norma MRP rank at the top here: for 7 mm Weath. Mag. with the .284 | 160gr | Reichenberg Mag Drückjagd 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.