Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 160gr | Nosler CT FailSafe bullet and 44 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>> | 84% | 57,290 psi | 90% | 2812 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 54,128 psi | 85% | 2854 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 82% | 56,594 psi | 89% | 2923 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 84% | 57,101 psi | 89% | 2917 fps | 100% |
| ADI AR 2217 | <<locked>> | 92% | 56,869 psi | 89% | 2900 fps | 100% |
| ADI AR 2218 | <<locked>> | 94% | 53,853 psi | 84% | 2959 fps | 98.9% |
| ADI AR 2225 | <<locked>> | 94% | 56,840 psi | 89% | 2920 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 57,522 psi | 90% | 2887 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 84% | 57,696 psi | 90% | 2910 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 84% | 55,970 psi | 88% | 2818 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 88% | 56,927 psi | 89% | 2890 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 92% | 56,072 psi | 88% | 2936 fps | 98.9% |
| Alliant Reloder-50 | <<locked>> | 96% | 56,536 psi | 89% | 2933 fps | 98.6% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 57,145 psi | 90% | 2874 fps | 99.1% |
| Bofors RP15 | <<locked>> | 86% | 57,101 psi | 89% | 2904 fps | 100% |
| Bofors RP30 | <<locked>> | 90% | 57,000 psi | 89% | 2917 fps | 100% |
| Bofors RP5 | <<locked>> | 84% | 57,696 psi | 90% | 2910 fps | 100% |
| Hodgdon H1000 | <<locked>> | 88% | 54,230 psi | 85% | 2861 fps | 100% |
| Hodgdon H4831 | <<locked>> | 82% | 55,564 psi | 87% | 2851 fps | 99.8% |
| Hodgdon H4831 SC | <<locked>> | 82% | 54,563 psi | 86% | 2835 fps | 99.7% |
| Hodgdon Retumbo | <<locked>> | 88% | 56,739 psi | 89% | 2982 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,029 psi | 60% | 1896 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 55,492 psi | 87% | 2828 fps | 99.8% |
| IMR 7828 SSC | <<locked>> | 84% | 55,579 psi | 87% | 2900 fps | 100% |
| IMR 8133 Enduron | <<locked>> | 96% | 55,869 psi | 88% | 2910 fps | 100% |
| Lovex S071 | <<locked>> | 88% | 55,883 psi | 88% | 2795 fps | 100% |
| Norma 217 | <<locked>> | 96% | 57,522 psi | 90% | 2930 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 57,348 psi | 90% | 2927 fps | 100% |
| Ramshot Magnum | <<locked>> | 86% | 55,840 psi | 88% | 2851 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,044 psi | 61% | 1939 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 53,621 psi | 84% | 2904 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 57,072 psi | 89% | 2940 fps | 99.9% |
| Rottweil R 905 | <<locked>> | 82% | 57,421 psi | 90% | 2881 fps | 100% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 55,651 psi | 87% | 2858 fps | 98.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 57,058 psi | 89% | 2877 fps | 100% |
| Vihtavuori N165 | <<locked>> | 84% | 54,288 psi | 85% | 2785 fps | 100% |
| Vihtavuori N170 | <<locked>> | 90% | 57,740 psi | 90% | 2871 fps | 98% |
| Vihtavuori N555 | <<locked>> | 82% | 57,522 psi | 90% | 2848 fps | 100% |
| Vihtavuori N560 | <<locked>> | 82% | 57,130 psi | 90% | 2930 fps | 99.9% |
| Vihtavuori N565 | <<locked>> | 86% | 54,984 psi | 86% | 2871 fps | 99.9% |
| Vihtavuori N568 | <<locked>> | 90% | 57,116 psi | 90% | 2940 fps | 99.7% |
| Vihtavuori N570 | <<locked>> | 90% | 54,853 psi | 86% | 2946 fps | 98.4% |
| Winchester StaBALL HD | <<locked>> | 84% | 57,508 psi | 90% | 2907 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 84% | 57,609 psi | 90% | 2844 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% | 50,038 psi | 78% | 2710 fps | 100% |
| Accurate 8700 | <<locked>> | 94% | 43,033 psi | 67% | 2657 fps | 95.3% |
| Accurate MAGPRO | <<locked>> | 80% | 52,692 psi | 83% | 2861 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 80% | 49,458 psi | 78% | 2795 fps | 99.6% |
| ADI AR 2217 | <<locked>> | 80% | 37,101 psi | 58% | 2549 fps | 97.5% |
| ADI AR 2218 | 88.7 gr | 88% | 42,830 psi | 67% | 2743 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 80% | 34,418 psi | 54% | 2523 fps | 99.1% |
| Alliant Reloder-19 | <<locked>> | 80% | 53,867 psi | 84% | 2831 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 50,212 psi | 79% | 2799 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 48,994 psi | 77% | 2723 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 43,149 psi | 68% | 2680 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 84% | 41,220 psi | 65% | 2667 fps | 95.1% |
| Alliant Reloder-50 | <<locked>> | 90% | 45,005 psi | 71% | 2730 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 46,818 psi | 73% | 2703 fps | 97.3% |
| Bofors RP15 | <<locked>> | 80% | 46,789 psi | 73% | 2736 fps | 99.7% |
| Bofors RP30 | <<locked>> | 80% | 40,306 psi | 63% | 2625 fps | 98.3% |
| Bofors RP5 | <<locked>> | 80% | 50,212 psi | 79% | 2799 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 40,524 psi | 64% | 2628 fps | 98.9% |
| Hodgdon H4831 | <<locked>> | 80% | 51,721 psi | 81% | 2792 fps | 99.5% |
| Hodgdon H4831 SC | <<locked>> | 80% | 50,807 psi | 80% | 2776 fps | 99.4% |
| Hodgdon Retumbo | <<locked>> | 80% | 42,279 psi | 66% | 2743 fps | 99.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,543 psi | 45% | 1703 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 52,011 psi | 82% | 2772 fps | 99.6% |
| IMR 7828 SSC | <<locked>> | 80% | 48,283 psi | 76% | 2782 fps | 99.5% |
| IMR 8133 Enduron | 74.1 gr | 80% | 32,053 psi | 50% | 2444 fps | 95% |
| Lovex S071 | <<locked>> | 80% | 43,134 psi | 68% | 2598 fps | 100% |
| Norma 217 | <<locked>> | 80% | 32,576 psi | 51% | 2470 fps | 97.6% |
| Ramshot Grand | <<locked>> | 80% | 49,211 psi | 77% | 2799 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 80% | 44,541 psi | 70% | 2674 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,370 psi | 46% | 1742 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 42,308 psi | 66% | 2720 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 38,841 psi | 61% | 2608 fps | 96.5% |
| Rottweil R 905 | <<locked>> | 80% | 53,664 psi | 84% | 2828 fps | 100% |
| SNPE Vectan SP 13 | <<locked>> | 94% | 45,150 psi | 71% | 2680 fps | 95.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 53,316 psi | 84% | 2822 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 47,471 psi | 74% | 2680 fps | 99.9% |
| Vihtavuori N170 | <<locked>> | 84% | 47,094 psi | 74% | 2694 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 80% | 53,809 psi | 84% | 2795 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 53,214 psi | 83% | 2867 fps | 99.7% |
| Vihtavuori N565 | <<locked>> | 80% | 44,730 psi | 70% | 2697 fps | 98.7% |
| Vihtavuori N568 | <<locked>> | 80% | 39,755 psi | 62% | 2628 fps | 96.2% |
| Vihtavuori N570 | 83 gr | 84% | 44,063 psi | 69% | 2746 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 49,429 psi | 77% | 2795 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 50,082 psi | 78% | 2736 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 44 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 160gr | Nosler CT FailSafe. Hodgdon Retumbo delivers the highest muzzle velocity at 2,982 fps; across all powders the maximum-charge window runs from 1,896 fps to 2,982 fps. Accurate 8700 gives the best case fill at 100 %, and 44 of the 44 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 160.0 gr projectile in 0.284" calls for a 1:11.0 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. ADI AR 2218, Vihtavuori N570, IMR 8133 Enduron rank at the top here: for 7 mm Rem. Ultra Mag. with the .284 | 160gr | Nosler CT FailSafe 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.