Load Specifications
Load data in caliber 7 mm Weath. Mag. with .284 | 195gr | Berger Elite Hunter bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Accurate High Country.
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>> | 92% | 57,740 psi | 90% | 2625 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 55,042 psi | 86% | 2592 fps | 100% |
| Accurate High Country | <<locked>> | 88% | 55,651 psi | 87% | 2723 fps | 99.8% |
| Accurate MAGPRO | <<locked>> | 90% | 56,434 psi | 88% | 2730 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 88% | 55,854 psi | 88% | 2657 fps | 100% |
| ADI AR 2213 | <<locked>> | 92% | 57,450 psi | 90% | 2723 fps | 99.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 55,288 psi | 87% | 2694 fps | 99.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 49,676 psi | 78% | 2661 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 84% | 56,173 psi | 88% | 2641 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 55,361 psi | 87% | 2648 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 92% | 57,725 psi | 90% | 2717 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 92% | 55,419 psi | 87% | 2628 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 55,143 psi | 86% | 2694 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 56,014 psi | 88% | 2713 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 51,982 psi | 81% | 2720 fps | 97.4% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 54,708 psi | 86% | 2635 fps | 97.9% |
| Bofors RP15 | <<locked>> | 94% | 56,884 psi | 89% | 2703 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 54,810 psi | 86% | 2707 fps | 99.9% |
| Bofors RP5 | <<locked>> | 92% | 57,725 psi | 90% | 2717 fps | 100% |
| Bofors RP7 | <<locked>> | 82% | 56,710 psi | 89% | 2592 fps | 100% |
| Hodgdon H1000 | <<locked>> | 98% | 56,913 psi | 89% | 2717 fps | 100% |
| Hodgdon H414 | <<locked>> | 82% | 56,521 psi | 89% | 2644 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 56,956 psi | 89% | 2661 fps | 99.6% |
| Hodgdon H4831 SC | <<locked>> | 90% | 55,898 psi | 88% | 2644 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 56,217 psi | 88% | 2569 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 57,653 psi | 90% | 2825 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 57,043 psi | 89% | 2684 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,536 psi | 59% | 1624 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 55,114 psi | 86% | 2585 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 55,405 psi | 87% | 2585 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 57,653 psi | 90% | 2638 fps | 99.7% |
| IMR 7828 SSC | <<locked>> | 92% | 55,637 psi | 87% | 2707 fps | 99.8% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 45,426 psi | 71% | 2585 fps | 98.9% |
| Lovex S065 | <<locked>> | 82% | 55,405 psi | 87% | 2559 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 57,101 psi | 89% | 2608 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 55,535 psi | 87% | 2595 fps | 100% |
| Norma 204 | <<locked>> | 84% | 55,912 psi | 88% | 2638 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 45,803 psi | 72% | 2605 fps | 100% |
| Norma MRP | <<locked>> | 90% | 57,696 psi | 90% | 2733 fps | 100% |
| Norma URP | <<locked>> | 84% | 56,826 psi | 89% | 2621 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 56,550 psi | 89% | 2726 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 84% | 55,709 psi | 87% | 2635 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 54,665 psi | 86% | 2661 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,348 psi | 60% | 1660 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 55,143 psi | 86% | 2615 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 57,334 psi | 90% | 2694 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 54,375 psi | 85% | 2766 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 57,696 psi | 90% | 2792 fps | 99.6% |
| Rottweil R 904 | <<locked>> | 88% | 56,536 psi | 89% | 2625 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 88% | 54,897 psi | 86% | 2635 fps | 100% |
| Rottweil R 907 | <<locked>> | 82% | 56,710 psi | 89% | 2592 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 55,405 psi | 87% | 2559 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 57,101 psi | 89% | 2608 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 54,288 psi | 85% | 2516 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 54,491 psi | 85% | 2635 fps | 100% |
| Somchem S361 | <<locked>> | 86% | 54,273 psi | 85% | 2572 fps | 99.3% |
| Somchem S365 | <<locked>> | 84% | 54,433 psi | 85% | 2579 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 55,274 psi | 87% | 2612 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 54,984 psi | 86% | 2566 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 54,984 psi | 86% | 2595 fps | 100% |
| Vihtavuori N170 | <<locked>> | 98% | 57,377 psi | 90% | 2667 fps | 96.8% |
| Vihtavuori N550 | <<locked>> | 84% | 57,725 psi | 90% | 2618 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 57,595 psi | 90% | 2651 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 57,319 psi | 90% | 2736 fps | 99.7% |
| Vihtavuori N565 | <<locked>> | 96% | 57,537 psi | 90% | 2723 fps | 99.8% |
| Vihtavuori N568 | <<locked>> | 98% | 54,360 psi | 85% | 2730 fps | 99% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 55,361 psi | 87% | 2785 fps | 97.8% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 54,070 psi | 85% | 2523 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 56,521 psi | 89% | 2644 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 92% | 54,056 psi | 85% | 2710 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 54,969 psi | 86% | 2605 fps | 100% |
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% | 38,754 psi | 61% | 2329 fps | 99.6% |
| Accurate 4350 | <<locked>> | 80% | 51,372 psi | 81% | 2539 fps | 100% |
| Accurate High Country | 56.7 gr | 80% | 42,221 psi | 66% | 2497 fps | 98.1% |
| Accurate MAGPRO | <<locked>> | 80% | 39,885 psi | 63% | 2441 fps | 96.1% |
| ADI AR 2209 | <<locked>> | 80% | 42,917 psi | 67% | 2448 fps | 98.9% |
| ADI AR 2213 | <<locked>> | 80% | 38,174 psi | 60% | 2388 fps | 96.7% |
| ADI AR 2217 | <<locked>> | 86% | 34,780 psi | 55% | 2316 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 82% | 27,717 psi | 43% | 2178 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 49,226 psi | 77% | 2546 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 42,728 psi | 67% | 2441 fps | 98.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 38,653 psi | 61% | 2398 fps | 98.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 37,594 psi | 59% | 2352 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 32,489 psi | 51% | 2293 fps | 99.2% |
| Alliant Reloder-26 | <<locked>> | 80% | 41,582 psi | 65% | 2497 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 44,802 psi | 70% | 2595 fps | 95.6% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 42,830 psi | 67% | 2425 fps | 95% |
| Bofors RP15 | <<locked>> | 80% | 36,187 psi | 57% | 2343 fps | 97.3% |
| Bofors RP30 | <<locked>> | 82% | 31,937 psi | 50% | 2277 fps | 95% |
| Bofors RP5 | <<locked>> | 80% | 38,653 psi | 61% | 2398 fps | 98.2% |
| Bofors RP7 | <<locked>> | 80% | 53,127 psi | 83% | 2539 fps | 100% |
| Hodgdon H1000 | <<locked>> | 82% | 33,185 psi | 52% | 2280 fps | 95.8% |
| Hodgdon H414 | <<locked>> | 80% | 52,968 psi | 83% | 2595 fps | 100% |
| Hodgdon H4831 | <<locked>> | 80% | 40,785 psi | 64% | 2392 fps | 96.9% |
| Hodgdon H4831 SC | <<locked>> | 80% | 40,016 psi | 63% | 2375 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 46,528 psi | 73% | 2434 fps | 100% |
| Hodgdon Retumbo | 54.6 gr | 80% | 31,589 psi | 50% | 2316 fps | 96.5% |
| Hodgdon Superformance | <<locked>> | 80% | 53,069 psi | 83% | 2628 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,123 psi | 44% | 1447 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 48,675 psi | 76% | 2490 fps | 99.9% |
| IMR 4831 | <<locked>> | 80% | 48,747 psi | 76% | 2490 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 42,351 psi | 66% | 2392 fps | 97.4% |
| IMR 7828 SSC | <<locked>> | 80% | 36,999 psi | 58% | 2375 fps | 96.5% |
| IMR 8133 Enduron | <<locked>> | 90% | 32,561 psi | 51% | 2313 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 52,228 psi | 82% | 2516 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 50,647 psi | 79% | 2513 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 33,576 psi | 53% | 2224 fps | 98.8% |
| Norma 204 | <<locked>> | 80% | 48,921 psi | 77% | 2530 fps | 99.6% |
| Norma 217 | <<locked>> | 86% | 28,587 psi | 45% | 2228 fps | 95.6% |
| Norma MRP | <<locked>> | 80% | 40,741 psi | 64% | 2464 fps | 99.5% |
| Norma URP | <<locked>> | 80% | 50,241 psi | 79% | 2530 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 36,550 psi | 57% | 2379 fps | 96.7% |
| Ramshot Hunter | <<locked>> | 80% | 48,892 psi | 77% | 2533 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 32,779 psi | 51% | 2274 fps | 97.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,935 psi | 45% | 1486 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 51,343 psi | 80% | 2562 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 49,748 psi | 78% | 2589 fps | 100% |
| ReloadSwiss RS 76 | 58.5 gr | 80% | 30,632 psi | 48% | 2293 fps | 97.2% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 36,927 psi | 58% | 2428 fps | 95.3% |
| Rottweil R 904 | <<locked>> | 80% | 44,034 psi | 69% | 2425 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 80% | 42,235 psi | 66% | 2431 fps | 98.9% |
| Rottweil R 907 | <<locked>> | 80% | 53,127 psi | 83% | 2539 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 80% | 52,228 psi | 82% | 2516 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 50,647 psi | 79% | 2513 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 51,053 psi | 80% | 2474 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 41,901 psi | 66% | 2425 fps | 98.8% |
| Somchem S361 | <<locked>> | 80% | 44,657 psi | 70% | 2418 fps | 97.8% |
| Somchem S365 | <<locked>> | 80% | 47,688 psi | 75% | 2487 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 42,714 psi | 67% | 2411 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 51,445 psi | 81% | 2516 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 37,173 psi | 58% | 2300 fps | 98.2% |
| Vihtavuori N170 | <<locked>> | 94% | 50,053 psi | 78% | 2556 fps | 95.2% |
| Vihtavuori N550 | <<locked>> | 80% | 50,734 psi | 80% | 2523 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 41,945 psi | 66% | 2421 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 40,683 psi | 64% | 2454 fps | 97% |
| Vihtavuori N565 | <<locked>> | 82% | 35,969 psi | 56% | 2346 fps | 95.8% |
| Vihtavuori N568 | <<locked>> | 88% | 38,319 psi | 60% | 2444 fps | 95.2% |
| Vihtavuori N570 | <<locked>> | 94% | 44,672 psi | 70% | 2602 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 50,647 psi | 79% | 2480 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 52,968 psi | 83% | 2595 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 34,330 psi | 54% | 2395 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 39,247 psi | 62% | 2349 fps | 98.2% |
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 78 powders for 7 mm Weath. Mag. loaded with the .284 | 195gr | Berger Elite Hunter. Hodgdon Retumbo delivers the highest muzzle velocity at 2,825 fps; across all powders the maximum-charge window runs from 1,624 fps to 2,825 fps. Accurate 8700 gives the best case fill at 100 %, and 78 of the 78 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 195.0 gr projectile in 0.284" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Accurate 8700, ADI AR 2217, ADI AR 2218 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. Hodgdon Retumbo, ReloadSwiss RS 76, Accurate High Country rank at the top here: for 7 mm Weath. Mag. with the .284 | 195gr | Berger Elite Hunter they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 8700, Alliant Reloder-50, 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.