Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 184gr | Berger F-Open Hybrid Target bullet and 41 powders. The key underlying parameters are shown in the table above.
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% | 56,362 psi | 88% | 2644 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 57,725 psi | 90% | 2766 fps | 99.5% |
| ADI AR 2213 | <<locked>> | 82% | 56,304 psi | 88% | 2749 fps | 100% |
| ADI AR 2217 | <<locked>> | 90% | 56,275 psi | 88% | 2740 fps | 100% |
| ADI AR 2218 | <<locked>> | 94% | 57,334 psi | 90% | 2874 fps | 99.9% |
| ADI AR 2225 | <<locked>> | 92% | 56,623 psi | 89% | 2762 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 82% | 56,898 psi | 89% | 2743 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 82% | 55,245 psi | 87% | 2648 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 86% | 56,565 psi | 89% | 2726 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 90% | 55,477 psi | 87% | 2785 fps | 99.5% |
| Alliant Reloder-50 | <<locked>> | 94% | 55,912 psi | 88% | 2785 fps | 99.3% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 56,043 psi | 88% | 2710 fps | 99.6% |
| Bofors RP15 | <<locked>> | 84% | 56,347 psi | 88% | 2733 fps | 100% |
| Bofors RP30 | <<locked>> | 88% | 56,420 psi | 88% | 2753 fps | 100% |
| Bofors RP5 | <<locked>> | 82% | 56,898 psi | 89% | 2743 fps | 100% |
| Hodgdon H1000 | <<locked>> | 88% | 57,624 psi | 90% | 2753 fps | 100% |
| Hodgdon H4831 SC | <<locked>> | 82% | 57,363 psi | 90% | 2720 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 56,594 psi | 89% | 2818 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,145 psi | 60% | 1772 fps | 100% |
| IMR 7828 SSC | <<locked>> | 82% | 55,071 psi | 86% | 2736 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 88% | 56,826 psi | 89% | 2677 fps | 97.6% |
| IMR 8133 Enduron | <<locked>> | 94% | 55,593 psi | 87% | 2756 fps | 100% |
| Lovex D100 | <<locked>> | 90% | 54,708 psi | 86% | 2671 fps | 96.2% |
| Lovex S071 | <<locked>> | 86% | 55,114 psi | 86% | 2628 fps | 100% |
| Norma 217 | <<locked>> | 94% | 57,406 psi | 90% | 2772 fps | 100% |
| Ramshot Grand | <<locked>> | 82% | 56,492 psi | 89% | 2756 fps | 100% |
| Ramshot LRT | <<locked>> | 94% | 56,652 psi | 89% | 2802 fps | 96.4% |
| Ramshot Magnum | <<locked>> | 84% | 55,085 psi | 86% | 2687 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,262 psi | 62% | 1814 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 57,348 psi | 90% | 2799 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 56,420 psi | 88% | 2782 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 90% | 54,708 psi | 86% | 2671 fps | 96.2% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 55,042 psi | 86% | 2710 fps | 98.9% |
| Vihtavuori 20N29ᴾ | <<locked>> | 100% | 52,475 psi | 82% | 2687 fps | 97.3% |
| Vihtavuori N165 | <<locked>> | 84% | 57,145 psi | 90% | 2671 fps | 100% |
| Vihtavuori N170 | <<locked>> | 88% | 56,797 psi | 89% | 2713 fps | 98.7% |
| Vihtavuori N565 | <<locked>> | 84% | 54,259 psi | 85% | 2710 fps | 100% |
| Vihtavuori N568 | <<locked>> | 88% | 56,594 psi | 89% | 2782 fps | 100% |
| Vihtavuori N570 | <<locked>> | 88% | 54,447 psi | 85% | 2792 fps | 99.2% |
| Winchester StaBALL HD | <<locked>> | 82% | 57,203 psi | 90% | 2736 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 82% | 56,463 psi | 88% | 2677 fps | 100% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 52,736 psi | 83% | 2598 fps | 100% |
| Accurate 8700 | <<locked>> | 90% | 39,842 psi | 62% | 2470 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 80% | 52,373 psi | 82% | 2694 fps | 100% |
| ADI AR 2217 | <<locked>> | 80% | 39,494 psi | 62% | 2467 fps | 99.1% |
| ADI AR 2218 | <<locked>> | 84% | 39,349 psi | 62% | 2539 fps | 96.1% |
| ADI AR 2225 | <<locked>> | 80% | 36,898 psi | 58% | 2448 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 53,084 psi | 83% | 2690 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 51,706 psi | 81% | 2602 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 45,948 psi | 72% | 2575 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 80% | 38,043 psi | 60% | 2470 fps | 95.4% |
| Alliant Reloder-50 | <<locked>> | 84% | 38,638 psi | 61% | 2474 fps | 95.1% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 49,255 psi | 77% | 2608 fps | 98.8% |
| Bofors RP15 | <<locked>> | 80% | 49,414 psi | 77% | 2631 fps | 100% |
| Bofors RP30 | <<locked>> | 80% | 42,960 psi | 67% | 2539 fps | 99.6% |
| Bofors RP5 | <<locked>> | 80% | 53,084 psi | 83% | 2690 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 43,091 psi | 68% | 2536 fps | 99.9% |
| Hodgdon H4831 SC | <<locked>> | 80% | 53,519 psi | 84% | 2667 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 80% | 45,469 psi | 71% | 2651 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,732 psi | 45% | 1588 fps | 100% |
| IMR 7828 SSC | <<locked>> | 80% | 51,213 psi | 80% | 2680 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 82% | 46,760 psi | 73% | 2516 fps | 95.2% |
| IMR 8133 Enduron | <<locked>> | 80% | 34,360 psi | 54% | 2372 fps | 97.6% |
| Lovex D100 | <<locked>> | 88% | 51,053 psi | 80% | 2615 fps | 95.4% |
| Lovex S071 | <<locked>> | 80% | 45,643 psi | 72% | 2493 fps | 100% |
| Norma 217 | <<locked>> | 80% | 35,128 psi | 55% | 2402 fps | 99.4% |
| Ramshot Grand | <<locked>> | 80% | 52,649 psi | 83% | 2703 fps | 100% |
| Ramshot LRT | <<locked>> | 92% | 52,794 psi | 83% | 2740 fps | 95.5% |
| Ramshot Magnum | <<locked>> | 80% | 47,558 psi | 75% | 2582 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,617 psi | 46% | 1627 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 45,585 psi | 71% | 2628 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 41,771 psi | 65% | 2539 fps | 98.6% |
| Shooters World 50 BMG | <<locked>> | 88% | 51,053 psi | 80% | 2615 fps | 95.4% |
| SNPE Vectan SP 13 | <<locked>> | 90% | 41,872 psi | 66% | 2490 fps | 95.9% |
| Vihtavuori 20N29 | <<locked>> | 96% | 45,440 psi | 71% | 2572 fps | 95.4% |
| Vihtavuori N165 | <<locked>> | 80% | 49,995 psi | 78% | 2572 fps | 100% |
| Vihtavuori N170 | <<locked>> | 80% | 43,294 psi | 68% | 2490 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 80% | 47,413 psi | 74% | 2602 fps | 99.7% |
| Vihtavuori N568 | <<locked>> | 80% | 42,554 psi | 67% | 2549 fps | 98.3% |
| Vihtavuori N570 | <<locked>> | 80% | 40,712 psi | 64% | 2546 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 80% | 53,069 psi | 83% | 2684 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 52,866 psi | 83% | 2625 fps | 100% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 41 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 184gr | Berger F-Open Hybrid Target. ADI AR 2218 delivers the highest muzzle velocity at 2,874 fps; across all powders the maximum-charge window runs from 1,772 fps to 2,874 fps. Accurate 8700 gives the best case fill at 100 %, and 41 of the 41 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 184.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Accurate 8700, Hodgdon TrailBoss, ReloadSwiss RS 14 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.