Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 160gr | Barnes TSX FB bullet and 50 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ADI AR 2218 and ReloadSwiss RS 76.
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>> | 84% | 54,607 psi | 86% | 2782 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 51,010 psi | 80% | 2808 fps | 97.6% |
| Accurate MAGPRO | <<locked>> | 82% | 54,099 psi | 85% | 2884 fps | 99.5% |
| ADI AR 2209 | <<locked>> | 82% | 55,709 psi | 87% | 2867 fps | 100% |
| ADI AR 2213 | <<locked>> | 84% | 54,781 psi | 86% | 2887 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 92% | 54,273 psi | 85% | 2867 fps | 100% |
| ADI AR 2218 | <<locked>> | 96% | 55,187 psi | 86% | 2986 fps | 99.1% |
| ADI AR 2225 | <<locked>> | 94% | 54,085 psi | 85% | 2887 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 55,506 psi | 87% | 2861 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 84% | 55,274 psi | 87% | 2881 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 57,116 psi | 90% | 2838 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 88% | 54,418 psi | 85% | 2861 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 94% | 57,188 psi | 90% | 2959 fps | 99% |
| Alliant Reloder-50 | <<locked>> | 98% | 57,159 psi | 90% | 2946 fps | 98.7% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 55,158 psi | 86% | 2848 fps | 98.8% |
| Bofors RP15 | <<locked>> | 86% | 54,679 psi | 86% | 2871 fps | 100% |
| Bofors RP30 | <<locked>> | 90% | 54,244 psi | 85% | 2881 fps | 100% |
| Bofors RP5 | <<locked>> | 84% | 55,274 psi | 87% | 2881 fps | 100% |
| Hodgdon H1000 | <<locked>> | 90% | 55,651 psi | 87% | 2887 fps | 100% |
| Hodgdon H4831 | <<locked>> | 84% | 57,232 psi | 90% | 2877 fps | 99.9% |
| Hodgdon H4831 SC | <<locked>> | 84% | 56,188 psi | 88% | 2861 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 88% | 54,012 psi | 85% | 2949 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,855 psi | 59% | 1890 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 57,203 psi | 90% | 2854 fps | 99.9% |
| IMR 7828 SSC | <<locked>> | 86% | 57,203 psi | 90% | 2927 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 90% | 56,028 psi | 88% | 2808 fps | 96.1% |
| IMR 8133 Enduron | <<locked>> | 98% | 56,666 psi | 89% | 2927 fps | 100% |
| Lovex S071 | <<locked>> | 90% | 56,681 psi | 89% | 2808 fps | 100% |
| Norma 217 | <<locked>> | 96% | 54,346 psi | 85% | 2890 fps | 100% |
| Norma MRP | <<locked>> | 82% | 55,390 psi | 87% | 2894 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 54,549 psi | 85% | 2890 fps | 100% |
| Ramshot Magnum | <<locked>> | 88% | 57,464 psi | 90% | 2877 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,841 psi | 61% | 1932 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 54,723 psi | 86% | 2927 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 54,012 psi | 85% | 2897 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 82% | 56,057 psi | 88% | 2841 fps | 100% |
| Rottweil R 905 | <<locked>> | 82% | 55,230 psi | 87% | 2854 fps | 100% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 52,779 psi | 83% | 2815 fps | 97.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 54,868 psi | 86% | 2848 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 57,435 psi | 90% | 2828 fps | 99.9% |
| Somchem S385 | <<locked>> | 82% | 55,434 psi | 87% | 2818 fps | 100% |
| Vihtavuori N165 | <<locked>> | 86% | 55,738 psi | 87% | 2808 fps | 100% |
| Vihtavuori N170 | <<locked>> | 90% | 55,129 psi | 86% | 2831 fps | 97.4% |
| Vihtavuori N555 | <<locked>> | 82% | 54,998 psi | 86% | 2815 fps | 100% |
| Vihtavuori N560 | <<locked>> | 82% | 54,737 psi | 86% | 2897 fps | 99.8% |
| Vihtavuori N565 | <<locked>> | 88% | 56,173 psi | 88% | 2894 fps | 99.9% |
| Vihtavuori N568 | <<locked>> | 90% | 54,404 psi | 85% | 2904 fps | 99.4% |
| Vihtavuori N570 | <<locked>> | 92% | 56,028 psi | 88% | 2969 fps | 98.5% |
| Winchester StaBALL HD | <<locked>> | 84% | 54,418 psi | 85% | 2874 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 84% | 55,361 psi | 87% | 2818 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% | 47,543 psi | 75% | 2677 fps | 100% |
| Accurate 8700 | <<locked>> | 96% | 43,656 psi | 68% | 2677 fps | 95.5% |
| Accurate MAGPRO | <<locked>> | 80% | 50,227 psi | 79% | 2822 fps | 99% |
| ADI AR 2209 | <<locked>> | 80% | 52,083 psi | 82% | 2812 fps | 100% |
| ADI AR 2213 | <<locked>> | 80% | 47,369 psi | 74% | 2766 fps | 99.3% |
| ADI AR 2217 | <<locked>> | 80% | 35,114 psi | 55% | 2507 fps | 96.6% |
| ADI AR 2218 | 89 gr | 90% | 43,671 psi | 68% | 2766 fps | 96.1% |
| ADI AR 2225 | <<locked>> | 80% | 32,387 psi | 51% | 2477 fps | 98.4% |
| Alliant Reloder-19 | <<locked>> | 80% | 51,808 psi | 81% | 2805 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 48,008 psi | 75% | 2762 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 46,688 psi | 73% | 2690 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 40,872 psi | 64% | 2644 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 86% | 41,829 psi | 66% | 2684 fps | 95.2% |
| Alliant Reloder-50 | <<locked>> | 92% | 45,368 psi | 71% | 2743 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 45,049 psi | 71% | 2674 fps | 96.7% |
| Bofors RP15 | <<locked>> | 80% | 44,614 psi | 70% | 2703 fps | 99.4% |
| Bofors RP30 | <<locked>> | 80% | 38,014 psi | 60% | 2582 fps | 97.6% |
| Bofors RP5 | <<locked>> | 80% | 48,008 psi | 75% | 2762 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 80% | 38,334 psi | 60% | 2585 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 80% | 49,734 psi | 78% | 2759 fps | 99.2% |
| Hodgdon H4831 SC | <<locked>> | 80% | 48,820 psi | 77% | 2746 fps | 99.1% |
| Hodgdon Retumbo | 74.7 gr | 80% | 39,972 psi | 63% | 2697 fps | 99.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,340 psi | 44% | 1696 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 50,212 psi | 79% | 2746 fps | 99.4% |
| IMR 7828 SSC | <<locked>> | 80% | 46,093 psi | 72% | 2746 fps | 99.1% |
| IMR 7977 Enduron | <<locked>> | 88% | 52,301 psi | 82% | 2746 fps | 95.1% |
| IMR 8133 Enduron | <<locked>> | 84% | 34,534 psi | 54% | 2510 fps | 96.1% |
| Lovex S071 | <<locked>> | 80% | 40,857 psi | 64% | 2559 fps | 99.9% |
| Norma 217 | <<locked>> | 80% | 30,226 psi | 47% | 2415 fps | 96.4% |
| Norma MRP | <<locked>> | 80% | 51,387 psi | 81% | 2831 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 46,862 psi | 73% | 2762 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 80% | 42,105 psi | 66% | 2635 fps | 99.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,124 psi | 46% | 1736 fps | 100% |
| ReloadSwiss RS 76 | 80 gr | 80% | 39,755 psi | 62% | 2674 fps | 99.9% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 36,361 psi | 57% | 2559 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 80% | 52,330 psi | 82% | 2785 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 80% | 51,459 psi | 81% | 2795 fps | 100% |
| SNPE Vectan SP 13 | <<locked>> | 96% | 45,745 psi | 72% | 2697 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 51,126 psi | 80% | 2792 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 53,592 psi | 84% | 2772 fps | 99.6% |
| Somchem S385 | <<locked>> | 80% | 51,764 psi | 81% | 2766 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 45,426 psi | 71% | 2648 fps | 99.8% |
| Vihtavuori N170 | <<locked>> | 86% | 47,921 psi | 75% | 2710 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 80% | 51,285 psi | 80% | 2762 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 50,836 psi | 80% | 2831 fps | 99.4% |
| Vihtavuori N565 | <<locked>> | 80% | 42,264 psi | 66% | 2651 fps | 98.1% |
| Vihtavuori N568 | <<locked>> | 80% | 37,376 psi | 59% | 2579 fps | 95.2% |
| Vihtavuori N570 | <<locked>> | 86% | 44,643 psi | 70% | 2762 fps | 95.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 46,441 psi | 73% | 2756 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 48,037 psi | 75% | 2703 fps | 99.8% |
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 50 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 160gr | Barnes TSX FB. ADI AR 2218 delivers the highest muzzle velocity at 2,986 fps; across all powders the maximum-charge window runs from 1,890 fps to 2,986 fps. Accurate 8700 gives the best case fill at 100 %, and 50 of the 50 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 160.0 gr projectile in 0.284" calls for a 1:10.0 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. Hodgdon Retumbo, ADI AR 2218, ReloadSwiss RS 76 rank at the top here: for 7 mm Rem. Ultra Mag. with the .284 | 160gr | Barnes TSX FB 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.