Load Specifications
Load data in caliber 7 mm Weath. Mag. with .284 | 192gr | CutEdge MTAC bullet and 72 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 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>> | 92% | 54,375 psi | 85% | 2602 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 55,434 psi | 87% | 2618 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 56,869 psi | 89% | 2753 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 90% | 56,594 psi | 89% | 2687 fps | 100% |
| ADI AR 2213 | <<locked>> | 92% | 54,273 psi | 85% | 2694 fps | 99.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 52,243 psi | 82% | 2667 fps | 99.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 46,630 psi | 73% | 2635 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 86% | 57,014 psi | 89% | 2674 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 55,970 psi | 88% | 2674 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 92% | 54,389 psi | 85% | 2690 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 94% | 55,767 psi | 87% | 2654 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 55,259 psi | 87% | 2720 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 56,202 psi | 88% | 2740 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 48,443 psi | 76% | 2680 fps | 96.3% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 55,695 psi | 87% | 2664 fps | 97.8% |
| Bofors RP15 | <<locked>> | 96% | 57,116 psi | 90% | 2730 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 54,853 psi | 86% | 2726 fps | 99.8% |
| Bofors RP5 | <<locked>> | 92% | 54,389 psi | 85% | 2690 fps | 99.9% |
| Bofors RP7 | <<locked>> | 84% | 57,667 psi | 90% | 2621 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 57,522 psi | 90% | 2743 fps | 100% |
| Hodgdon H414 | <<locked>> | 84% | 57,363 psi | 90% | 2677 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 56,231 psi | 88% | 2638 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 54,215 psi | 85% | 2638 fps | 99.1% |
| Hodgdon H4831 SC | <<locked>> | 92% | 56,710 psi | 89% | 2674 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 57,014 psi | 89% | 2598 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 54,143 psi | 85% | 2795 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 53,780 psi | 84% | 2657 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,318 psi | 58% | 1627 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 55,825 psi | 87% | 2615 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 82% | 55,521 psi | 87% | 2592 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 55,999 psi | 88% | 2615 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,114 psi | 86% | 2621 fps | 99.3% |
| IMR 7828 SSC | <<locked>> | 94% | 56,275 psi | 88% | 2733 fps | 99.8% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 41,930 psi | 66% | 2539 fps | 98% |
| Lovex S065 | <<locked>> | 84% | 56,202 psi | 88% | 2589 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 54,433 psi | 85% | 2592 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 55,463 psi | 87% | 2618 fps | 100% |
| Norma 204 | <<locked>> | 86% | 56,898 psi | 89% | 2671 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 42,308 psi | 66% | 2566 fps | 99.6% |
| Norma MRP | <<locked>> | 90% | 54,201 psi | 85% | 2707 fps | 100% |
| Norma URP | <<locked>> | 86% | 57,624 psi | 90% | 2654 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 57,145 psi | 90% | 2756 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 86% | 56,492 psi | 89% | 2664 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 55,259 psi | 87% | 2687 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,101 psi | 60% | 1663 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 55,695 psi | 87% | 2648 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 54,201 psi | 85% | 2674 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 54,578 psi | 86% | 2792 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 53,737 psi | 84% | 2756 fps | 99.1% |
| Rottweil R 904 | <<locked>> | 90% | 57,624 psi | 90% | 2657 fps | 99.7% |
| Rottweil R 905 | <<locked>> | 90% | 55,680 psi | 87% | 2667 fps | 100% |
| Rottweil R 907 | <<locked>> | 84% | 57,667 psi | 90% | 2621 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,202 psi | 88% | 2589 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 54,433 psi | 85% | 2592 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,143 psi | 86% | 2549 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,259 psi | 87% | 2664 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 55,201 psi | 87% | 2602 fps | 99.2% |
| Somchem S365 | <<locked>> | 86% | 54,636 psi | 86% | 2605 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 55,985 psi | 88% | 2641 fps | 100% |
| Vihtavuori N150 | <<locked>> | 82% | 56,318 psi | 88% | 2533 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 55,753 psi | 87% | 2595 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 55,608 psi | 87% | 2625 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 54,795 psi | 86% | 2602 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 54,462 psi | 85% | 2635 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 54,012 psi | 85% | 2707 fps | 99.3% |
| Vihtavuori N565 | <<locked>> | 98% | 57,609 psi | 90% | 2746 fps | 99.7% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 54,752 psi | 86% | 2756 fps | 98.9% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 51,576 psi | 81% | 2746 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 55,187 psi | 86% | 2559 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 57,363 psi | 90% | 2677 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 53,954 psi | 85% | 2736 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 55,941 psi | 88% | 2641 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% | 36,114 psi | 57% | 2300 fps | 99.1% |
| Accurate 4350 | <<locked>> | 80% | 48,544 psi | 76% | 2523 fps | 100% |
| Accurate MAGPRO | <<locked>> | 82% | 39,813 psi | 62% | 2461 fps | 95.8% |
| ADI AR 2209 | <<locked>> | 80% | 40,495 psi | 63% | 2421 fps | 98.2% |
| ADI AR 2213 | <<locked>> | 80% | 35,926 psi | 56% | 2356 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 88% | 34,853 psi | 55% | 2336 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 84% | 27,383 psi | 43% | 2185 fps | 95% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,760 psi | 73% | 2530 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,538 psi | 64% | 2418 fps | 98.2% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,129 psi | 57% | 2365 fps | 97.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,954 psi | 55% | 2323 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,211 psi | 47% | 2254 fps | 98.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 38,609 psi | 61% | 2464 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 98% | 44,860 psi | 70% | 2615 fps | 95.2% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 46,267 psi | 73% | 2507 fps | 95.7% |
| Bofors RP15 | <<locked>> | 80% | 33,721 psi | 53% | 2306 fps | 96.2% |
| Bofors RP30 | <<locked>> | 86% | 33,939 psi | 53% | 2346 fps | 95.6% |
| Bofors RP5 | <<locked>> | 80% | 36,129 psi | 57% | 2365 fps | 97.2% |
| Bofors RP7 | <<locked>> | 80% | 50,879 psi | 80% | 2526 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 84% | 33,170 psi | 52% | 2297 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 50,053 psi | 78% | 2572 fps | 100% |
| Hodgdon H4350 | <<locked>> | 80% | 52,591 psi | 82% | 2582 fps | 99.9% |
| Hodgdon H4831 | <<locked>> | 80% | 38,479 psi | 60% | 2365 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 37,681 psi | 59% | 2349 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,845 psi | 69% | 2418 fps | 100% |
| Hodgdon Retumbo | 55 gr | 82% | 31,502 psi | 49% | 2329 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 50,154 psi | 79% | 2605 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,949 psi | 44% | 1450 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,340 psi | 73% | 2467 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,214 psi | 82% | 2546 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 46,006 psi | 72% | 2470 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 40,176 psi | 63% | 2365 fps | 96.5% |
| IMR 7828 SSC | <<locked>> | 80% | 34,679 psi | 54% | 2339 fps | 95.2% |
| IMR 8133 Enduron | <<locked>> | 94% | 34,272 psi | 54% | 2375 fps | 95.4% |
| Lovex S065 | <<locked>> | 80% | 49,690 psi | 78% | 2497 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 48,051 psi | 75% | 2493 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 31,067 psi | 49% | 2188 fps | 97.8% |
| Norma 204 | <<locked>> | 80% | 46,470 psi | 73% | 2510 fps | 99.1% |
| Norma 217 | <<locked>> | 90% | 29,965 psi | 47% | 2287 fps | 96% |
| Norma MRP | <<locked>> | 80% | 38,058 psi | 60% | 2431 fps | 98.9% |
| Norma URP | <<locked>> | 80% | 47,529 psi | 74% | 2510 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 34,127 psi | 53% | 2339 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 46,325 psi | 73% | 2513 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 30,255 psi | 47% | 2231 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,500 psi | 45% | 1486 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 48,501 psi | 76% | 2546 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 46,731 psi | 73% | 2566 fps | 100% |
| ReloadSwiss RS 76 | 57.4 gr | 80% | 28,253 psi | 44% | 2238 fps | 95.4% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 39,494 psi | 62% | 2503 fps | 95.9% |
| Rottweil R 904 | <<locked>> | 80% | 41,698 psi | 65% | 2398 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 80% | 39,900 psi | 63% | 2405 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 80% | 50,879 psi | 80% | 2526 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,690 psi | 78% | 2497 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 48,051 psi | 75% | 2493 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,617 psi | 76% | 2454 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,566 psi | 62% | 2402 fps | 98.1% |
| Somchem S361 | <<locked>> | 80% | 42,221 psi | 66% | 2392 fps | 96.9% |
| Somchem S365 | <<locked>> | 80% | 44,759 psi | 70% | 2467 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 40,132 psi | 63% | 2382 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 80% | 52,866 psi | 83% | 2487 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 49,066 psi | 77% | 2503 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,983 psi | 55% | 2274 fps | 97.3% |
| Vihtavuori N550 | <<locked>> | 80% | 48,124 psi | 75% | 2507 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 39,044 psi | 61% | 2392 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 38,145 psi | 60% | 2421 fps | 95.9% |
| Vihtavuori N565 | <<locked>> | 84% | 35,621 psi | 56% | 2359 fps | 95.3% |
| Vihtavuori N568 | <<locked>> | 92% | 41,060 psi | 64% | 2520 fps | 95.8% |
| Vihtavuori N570 | <<locked>> | 98% | 48,008 psi | 75% | 2684 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,993 psi | 75% | 2464 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 50,314 psi | 79% | 2575 fps | 100% |
| Winchester StaBALL HD | 55.1 gr | 80% | 31,256 psi | 49% | 2356 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,825 psi | 58% | 2320 fps | 97.3% |
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 | 192gr | CutEdge MTAC. Hodgdon Retumbo delivers the highest muzzle velocity at 2,795 fps; across all powders the maximum-charge window runs from 1,627 fps to 2,795 fps. ADI AR 2217 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 58–90 %, leaving at least 10 % headroom. The 192.0 gr projectile in 0.284" calls for a 1:8.0 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. Hodgdon Retumbo, ReloadSwiss RS 76, Winchester StaBALL HD rank at the top here: for 7 mm Weath. Mag. with the .284 | 192gr | CutEdge MTAC they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2218, 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.