Load Specifications
Load data in caliber 7 mm Weath. Mag. with .284 | 168gr | Berger VLD Target bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Accurate MAGPRO, Alliant Reloder-26 and Winchester StaBALL HD.
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% | 56,942 psi | 89% | 2815 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 54,505 psi | 85% | 2792 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 55,579 psi | 87% | 2910 fps | 98.3% |
| ADI AR 2209 | <<locked>> | 90% | 55,463 psi | 87% | 2851 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 94% | 56,898 psi | 89% | 2917 fps | 99.2% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 50,937 psi | 80% | 2815 fps | 98.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 45,614 psi | 71% | 2779 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 86% | 55,651 psi | 87% | 2848 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 56,652 psi | 89% | 2858 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 54,868 psi | 86% | 2838 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 57,014 psi | 89% | 2910 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 94% | 54,592 psi | 86% | 2825 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 57,551 psi | 90% | 2936 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 54,868 psi | 86% | 2910 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 54,839 psi | 86% | 2818 fps | 96.6% |
| Bofors RP15 | <<locked>> | 96% | 55,898 psi | 88% | 2894 fps | 99.7% |
| Bofors RP30ᴾ | <<locked>> | 100% | 53,519 psi | 84% | 2884 fps | 99.2% |
| Bofors RP5 | <<locked>> | 94% | 57,014 psi | 89% | 2910 fps | 99.8% |
| Bofors RP7 | <<locked>> | 84% | 56,623 psi | 89% | 2792 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 56,289 psi | 88% | 2904 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 84% | 56,202 psi | 88% | 2844 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 55,216 psi | 87% | 2802 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 92% | 56,797 psi | 89% | 2854 fps | 98.7% |
| Hodgdon H4831 SC | <<locked>> | 92% | 55,477 psi | 87% | 2835 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 55,709 psi | 87% | 2769 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 56,521 psi | 89% | 3015 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 56,608 psi | 89% | 2884 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,173 psi | 58% | 1759 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 54,839 psi | 86% | 2779 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 54,607 psi | 86% | 2759 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 55,042 psi | 86% | 2785 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 57,653 psi | 90% | 2835 fps | 99% |
| IMR 7828 SSC | <<locked>> | 94% | 54,679 psi | 86% | 2890 fps | 99.1% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 41,220 psi | 65% | 2684 fps | 96.6% |
| Lovex S065 | <<locked>> | 84% | 55,274 psi | 87% | 2759 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 57,072 psi | 89% | 2808 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 54,621 psi | 86% | 2782 fps | 100% |
| Norma 204 | <<locked>> | 86% | 55,927 psi | 88% | 2835 fps | 99.6% |
| Norma 217ᴾ | <<locked>> | 100% | 41,278 psi | 65% | 2710 fps | 98.7% |
| Norma MRP | <<locked>> | 92% | 56,971 psi | 89% | 2930 fps | 100% |
| Norma URP | <<locked>> | 86% | 56,608 psi | 89% | 2825 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 55,593 psi | 87% | 2913 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 86% | 55,564 psi | 87% | 2835 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 53,621 psi | 84% | 2844 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,116 psi | 60% | 1801 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 54,592 psi | 86% | 2815 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 56,623 psi | 89% | 2897 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 57,363 psi | 90% | 3015 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 52,083 psi | 82% | 2904 fps | 98% |
| Rottweil R 904 | <<locked>> | 90% | 56,434 psi | 88% | 2822 fps | 99.1% |
| Rottweil R 905 | <<locked>> | 90% | 54,404 psi | 85% | 2828 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 84% | 56,623 psi | 89% | 2792 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 84% | 55,274 psi | 87% | 2759 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 57,072 psi | 89% | 2808 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 54,578 psi | 86% | 2717 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 57,624 psi | 90% | 2881 fps | 99.8% |
| Somchem S361 | <<locked>> | 88% | 54,418 psi | 85% | 2762 fps | 98.4% |
| Somchem S365 | <<locked>> | 88% | 57,145 psi | 90% | 2825 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 54,940 psi | 86% | 2802 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 82% | 55,434 psi | 87% | 2703 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 54,636 psi | 86% | 2766 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 54,375 psi | 85% | 2785 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 86% | 57,551 psi | 90% | 2825 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 56,695 psi | 89% | 2848 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 56,724 psi | 89% | 2927 fps | 98.9% |
| Vihtavuori N565 | <<locked>> | 98% | 56,565 psi | 89% | 2907 fps | 99.1% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 53,330 psi | 84% | 2907 fps | 97.7% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 54,099 psi | 85% | 2726 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 56,420 psi | 88% | 2848 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 56,492 psi | 89% | 2959 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 54,694 psi | 86% | 2799 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% | 35,723 psi | 56% | 2441 fps | 98.1% |
| Accurate 4350 | <<locked>> | 80% | 47,688 psi | 75% | 2684 fps | 100% |
| Accurate MAGPRO | 63.4 gr | 84% | 42,032 psi | 66% | 2664 fps | 95.1% |
| ADI AR 2209 | <<locked>> | 80% | 39,711 psi | 62% | 2566 fps | 96.9% |
| ADI AR 2213 | <<locked>> | 84% | 40,567 psi | 64% | 2615 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 92% | 39,088 psi | 61% | 2579 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 88% | 30,893 psi | 48% | 2421 fps | 95.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 45,600 psi | 71% | 2690 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 52,794 psi | 83% | 2805 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 39,726 psi | 62% | 2559 fps | 96.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 35,549 psi | 56% | 2503 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,360 psi | 54% | 2470 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 29,834 psi | 47% | 2382 fps | 96.8% |
| Alliant Reloder-26 | 61.1 gr | 80% | 37,753 psi | 59% | 2612 fps | 99.6% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 51,517 psi | 81% | 2762 fps | 95.8% |
| Bofors RP15 | <<locked>> | 82% | 35,447 psi | 56% | 2500 fps | 95.4% |
| Bofors RP30 | <<locked>> | 90% | 38,145 psi | 60% | 2592 fps | 95.7% |
| Bofors RP5 | <<locked>> | 80% | 35,549 psi | 56% | 2503 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 50,154 psi | 79% | 2687 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 88% | 37,405 psi | 59% | 2543 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 80% | 49,269 psi | 77% | 2736 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 80% | 51,648 psi | 81% | 2746 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 82% | 40,393 psi | 63% | 2559 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 84% | 42,511 psi | 67% | 2605 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 42,975 psi | 67% | 2572 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 84% | 33,228 psi | 52% | 2520 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 49,023 psi | 77% | 2762 fps | 99.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,847 psi | 44% | 1568 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 45,484 psi | 71% | 2621 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 80% | 51,314 psi | 80% | 2707 fps | 99.8% |
| IMR 4831 | <<locked>> | 80% | 45,223 psi | 71% | 2628 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 39,508 psi | 62% | 2507 fps | 95% |
| IMR 7828 SSC | <<locked>> | 84% | 39,030 psi | 61% | 2592 fps | 95.3% |
| IMR 8133 Enduron | <<locked>> | 98% | 38,580 psi | 60% | 2625 fps | 95.6% |
| Lovex S065 | <<locked>> | 80% | 49,066 psi | 77% | 2661 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 47,384 psi | 74% | 2654 fps | 99.6% |
| Lovex S071 | <<locked>> | 80% | 30,792 psi | 48% | 2323 fps | 96.5% |
| Norma 204 | <<locked>> | 80% | 45,672 psi | 72% | 2661 fps | 98.2% |
| Norma 217 | <<locked>> | 92% | 31,618 psi | 50% | 2470 fps | 95.1% |
| Norma MRP | <<locked>> | 80% | 37,318 psi | 58% | 2572 fps | 97.7% |
| Norma URP | <<locked>> | 80% | 46,688 psi | 73% | 2671 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 38,682 psi | 61% | 2598 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 45,556 psi | 71% | 2671 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 82% | 32,068 psi | 50% | 2415 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,543 psi | 45% | 1608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 47,558 psi | 75% | 2707 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 45,759 psi | 72% | 2723 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 84% | 32,285 psi | 51% | 2493 fps | 95.9% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 41,611 psi | 65% | 2703 fps | 95.1% |
| Rottweil R 904 | <<locked>> | 80% | 41,031 psi | 64% | 2546 fps | 96.1% |
| Rottweil R 905 | <<locked>> | 80% | 39,175 psi | 61% | 2549 fps | 96.9% |
| Rottweil R 907 | <<locked>> | 80% | 50,154 psi | 79% | 2687 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,066 psi | 77% | 2661 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 47,384 psi | 74% | 2654 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 47,848 psi | 75% | 2608 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 38,841 psi | 61% | 2543 fps | 96.8% |
| Somchem S361 | <<locked>> | 80% | 41,669 psi | 65% | 2533 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 43,801 psi | 69% | 2628 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 39,639 psi | 62% | 2530 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 80% | 52,040 psi | 82% | 2657 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,051 psi | 75% | 2664 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,403 psi | 54% | 2408 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 47,311 psi | 74% | 2667 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 38,522 psi | 60% | 2543 fps | 99.9% |
| Vihtavuori N560 | <<locked>> | 82% | 40,176 psi | 63% | 2621 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 88% | 40,364 psi | 63% | 2615 fps | 95.6% |
| Vihtavuori N568 | <<locked>> | 94% | 43,047 psi | 67% | 2717 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,050 psi | 74% | 2625 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 49,269 psi | 77% | 2736 fps | 99.7% |
| Winchester StaBALL HD | 58.7 gr | 80% | 30,574 psi | 48% | 2493 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,230 psi | 57% | 2457 fps | 95.8% |
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 76 powders for 7 mm Weath. Mag. loaded with the .284 | 168gr | Berger VLD Target. Hodgdon Retumbo delivers the highest muzzle velocity at 3,015 fps; across all powders the maximum-charge window runs from 1,759 fps to 3,015 fps. ADI AR 2217 gives the best case fill at 100 %, and 76 of the 76 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 168.0 gr projectile in 0.284" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2218, ADI AR 2225 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. Accurate MAGPRO, Alliant Reloder-26, Winchester StaBALL HD rank at the top here: for 7 mm Weath. Mag. with the .284 | 168gr | Berger VLD Target they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2218, Alliant Reloder-33, IMR 7977 Enduron 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.