Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 175gr | Speer Deep Curl Soft Point bullet and 40 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2218, Vihtavuori N570 and IMR 8133 Enduron.
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>> | 82% | 56,811 psi | 89% | 2707 fps | 100% |
| Accurate 8700 | <<locked>> | 98% | 54,302 psi | 85% | 2766 fps | 98.9% |
| ADI AR 2213 | <<locked>> | 82% | 56,739 psi | 89% | 2812 fps | 100% |
| ADI AR 2217 | <<locked>> | 90% | 56,971 psi | 89% | 2802 fps | 100% |
| ADI AR 2218 | <<locked>> | 92% | 53,780 psi | 84% | 2867 fps | 99.5% |
| ADI AR 2225 | <<locked>> | 92% | 57,174 psi | 90% | 2822 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 82% | 57,334 psi | 90% | 2802 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 82% | 55,666 psi | 87% | 2710 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 86% | 57,087 psi | 89% | 2789 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 90% | 56,057 psi | 88% | 2841 fps | 99.4% |
| Alliant Reloder-50 | <<locked>> | 94% | 56,724 psi | 89% | 2841 fps | 99.2% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 56,507 psi | 89% | 2772 fps | 99.5% |
| Bofors RP15 | <<locked>> | 84% | 56,768 psi | 89% | 2795 fps | 100% |
| Bofors RP30 | <<locked>> | 88% | 56,985 psi | 89% | 2815 fps | 100% |
| Bofors RP5 | <<locked>> | 82% | 57,334 psi | 90% | 2802 fps | 100% |
| Hodgdon H1000 | <<locked>> | 86% | 54,143 psi | 85% | 2759 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 57,116 psi | 90% | 2877 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,218 psi | 60% | 1824 fps | 100% |
| IMR 7828 SSC | <<locked>> | 82% | 55,332 psi | 87% | 2795 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 88% | 57,305 psi | 90% | 2736 fps | 97.4% |
| IMR 8133 Enduron | <<locked>> | 94% | 56,115 psi | 88% | 2812 fps | 100% |
| Lovex D100 | <<locked>> | 90% | 55,419 psi | 87% | 2730 fps | 96.1% |
| Lovex S071 | <<locked>> | 86% | 55,637 psi | 87% | 2690 fps | 100% |
| Norma 217 | <<locked>> | 92% | 54,027 psi | 85% | 2779 fps | 100% |
| Ramshot Grand | <<locked>> | 82% | 57,043 psi | 89% | 2818 fps | 100% |
| Ramshot LRT | <<locked>> | 94% | 57,537 psi | 90% | 2861 fps | 96.3% |
| Ramshot Magnum | <<locked>> | 84% | 55,579 psi | 87% | 2746 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,276 psi | 62% | 1867 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 84% | 53,708 psi | 84% | 2802 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 56,971 psi | 89% | 2838 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 90% | 55,419 psi | 87% | 2730 fps | 96.1% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 55,840 psi | 88% | 2772 fps | 98.8% |
| Vihtavuori 20N29ᴾ | <<locked>> | 100% | 53,243 psi | 83% | 2746 fps | 97.1% |
| Vihtavuori N165 | <<locked>> | 84% | 57,493 psi | 90% | 2730 fps | 100% |
| Vihtavuori N170 | <<locked>> | 88% | 57,246 psi | 90% | 2772 fps | 98.6% |
| Vihtavuori N565 | <<locked>> | 84% | 54,897 psi | 86% | 2772 fps | 100% |
| Vihtavuori N568 | <<locked>> | 88% | 57,276 psi | 90% | 2844 fps | 99.9% |
| Vihtavuori N570 | <<locked>> | 88% | 54,955 psi | 86% | 2851 fps | 99% |
| Winchester StaBALL HD | <<locked>> | 82% | 57,624 psi | 90% | 2799 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 82% | 57,043 psi | 89% | 2736 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% | 53,142 psi | 83% | 2657 fps | 100% |
| Accurate 8700 | <<locked>> | 90% | 40,335 psi | 63% | 2520 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 80% | 52,721 psi | 83% | 2753 fps | 100% |
| ADI AR 2217 | <<locked>> | 80% | 39,871 psi | 62% | 2523 fps | 99% |
| ADI AR 2218 | 84.7 gr | 84% | 39,842 psi | 62% | 2595 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 80% | 37,231 psi | 58% | 2497 fps | 99.9% |
| Alliant Reloder-22 | <<locked>> | 80% | 53,432 psi | 84% | 2746 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 52,199 psi | 82% | 2664 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 46,383 psi | 73% | 2635 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 80% | 38,421 psi | 60% | 2523 fps | 95.1% |
| Alliant Reloder-50 | <<locked>> | 86% | 42,119 psi | 66% | 2589 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 49,501 psi | 78% | 2661 fps | 98.6% |
| Bofors RP15 | <<locked>> | 80% | 49,821 psi | 78% | 2690 fps | 100% |
| Bofors RP30 | <<locked>> | 80% | 43,337 psi | 68% | 2595 fps | 99.5% |
| Bofors RP5 | <<locked>> | 80% | 53,432 psi | 84% | 2746 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 43,598 psi | 68% | 2592 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 80% | 45,876 psi | 72% | 2707 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,718 psi | 45% | 1637 fps | 100% |
| IMR 7828 SSC | <<locked>> | 80% | 51,605 psi | 81% | 2740 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 84% | 50,227 psi | 79% | 2625 fps | 95.8% |
| IMR 8133 Enduron | 74.1 gr | 80% | 34,780 psi | 55% | 2425 fps | 97.3% |
| Lovex D100 | <<locked>> | 88% | 51,517 psi | 81% | 2667 fps | 95.1% |
| Lovex S071 | <<locked>> | 80% | 45,905 psi | 72% | 2549 fps | 100% |
| Norma 217 | <<locked>> | 80% | 35,534 psi | 56% | 2451 fps | 99.2% |
| Ramshot Grand | <<locked>> | 80% | 52,910 psi | 83% | 2759 fps | 100% |
| Ramshot LRT | <<locked>> | 92% | 53,519 psi | 84% | 2799 fps | 95.3% |
| Ramshot Magnum | <<locked>> | 80% | 47,892 psi | 75% | 2635 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,573 psi | 46% | 1677 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 46,093 psi | 72% | 2687 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 42,134 psi | 66% | 2589 fps | 98.4% |
| Shooters World 50 BMG | <<locked>> | 88% | 51,517 psi | 81% | 2667 fps | 95.1% |
| SNPE Vectan SP 13 | <<locked>> | 90% | 42,279 psi | 66% | 2543 fps | 95.7% |
| Vihtavuori 20N29 | <<locked>> | 96% | 46,021 psi | 72% | 2625 fps | 95.2% |
| Vihtavuori N165 | <<locked>> | 80% | 50,357 psi | 79% | 2631 fps | 100% |
| Vihtavuori N170 | <<locked>> | 80% | 43,627 psi | 68% | 2543 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 80% | 47,848 psi | 75% | 2661 fps | 99.7% |
| Vihtavuori N568 | <<locked>> | 80% | 42,902 psi | 67% | 2602 fps | 98.1% |
| Vihtavuori N570 | 79 gr | 80% | 41,075 psi | 64% | 2595 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 53,606 psi | 84% | 2746 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 53,113 psi | 83% | 2684 fps | 100% |
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 40 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 175gr | Speer Deep Curl Soft Point. Hodgdon Retumbo delivers the highest muzzle velocity at 2,877 fps; across all powders the maximum-charge window runs from 1,824 fps to 2,877 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 40 of the 40 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 175.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori 20N29 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. ADI AR 2218, Vihtavuori N570, IMR 8133 Enduron rank at the top here: for 7 mm Rem. Ultra Mag. with the .284 | 175gr | Speer Deep Curl Soft Point 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.