Load Specifications
Load data in caliber 7 mm Rem. Ultra Mag. with .284 | 170gr | Rhino Solid Shank bullet and 42 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 Alliant Reloder-50.
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% | 55,216 psi | 87% | 2720 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 56,304 psi | 88% | 2825 fps | 99% |
| ADI AR 2213 | <<locked>> | 82% | 54,868 psi | 86% | 2815 fps | 100% |
| ADI AR 2217 | <<locked>> | 90% | 54,998 psi | 86% | 2808 fps | 100% |
| ADI AR 2218 | <<locked>> | 94% | 55,927 psi | 88% | 2933 fps | 99.5% |
| ADI AR 2225 | <<locked>> | 92% | 55,259 psi | 87% | 2831 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 82% | 55,492 psi | 87% | 2812 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 82% | 53,998 psi | 85% | 2723 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 86% | 55,114 psi | 86% | 2799 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 90% | 54,056 psi | 85% | 2844 fps | 99% |
| Alliant Reloder-50 | <<locked>> | 94% | 54,462 psi | 85% | 2838 fps | 98.7% |
| Baschieri & Pellagri 109 | <<locked>> | 84% | 55,114 psi | 86% | 2782 fps | 99.2% |
| Bofors RP15 | <<locked>> | 84% | 55,158 psi | 86% | 2808 fps | 100% |
| Bofors RP30 | <<locked>> | 88% | 55,027 psi | 86% | 2818 fps | 100% |
| Bofors RP5 | <<locked>> | 82% | 55,492 psi | 87% | 2812 fps | 100% |
| Hodgdon H1000 | <<locked>> | 88% | 56,130 psi | 88% | 2822 fps | 100% |
| Hodgdon H4831 | <<locked>> | 82% | 57,043 psi | 89% | 2805 fps | 100% |
| Hodgdon H4831 SC | <<locked>> | 82% | 56,028 psi | 88% | 2792 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 55,071 psi | 86% | 2887 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,116 psi | 60% | 1844 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 56,971 psi | 89% | 2782 fps | 100% |
| IMR 7828 SSC | <<locked>> | 84% | 57,537 psi | 90% | 2861 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 88% | 55,767 psi | 87% | 2740 fps | 96.7% |
| IMR 8133 Enduron | <<locked>> | 94% | 54,099 psi | 85% | 2818 fps | 100% |
| Lovex D100 | <<locked>> | 92% | 57,740 psi | 90% | 2792 fps | 96.3% |
| Lovex S071 | <<locked>> | 88% | 57,450 psi | 90% | 2749 fps | 100% |
| Norma 217 | <<locked>> | 94% | 55,796 psi | 87% | 2838 fps | 100% |
| Ramshot Grand | <<locked>> | 82% | 55,216 psi | 87% | 2825 fps | 100% |
| Ramshot Magnum | <<locked>> | 84% | 53,650 psi | 84% | 2756 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,175 psi | 61% | 1886 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 55,869 psi | 88% | 2867 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 54,940 psi | 86% | 2841 fps | 99.9% |
| Shooters World 50 BMG | <<locked>> | 92% | 57,740 psi | 90% | 2792 fps | 96.3% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 57,653 psi | 90% | 2828 fps | 98.9% |
| Vihtavuori 20N29ᴾ | <<locked>> | 100% | 51,184 psi | 80% | 2743 fps | 96.3% |
| Vihtavuori N165 | <<locked>> | 84% | 55,941 psi | 88% | 2743 fps | 100% |
| Vihtavuori N170 | <<locked>> | 88% | 55,535 psi | 87% | 2776 fps | 98.1% |
| Vihtavuori N565 | <<locked>> | 86% | 56,739 psi | 89% | 2831 fps | 100% |
| Vihtavuori N568 | <<locked>> | 88% | 55,332 psi | 87% | 2848 fps | 99.8% |
| Vihtavuori N570 | <<locked>> | 90% | 57,014 psi | 89% | 2913 fps | 99.1% |
| Winchester StaBALL HD | <<locked>> | 82% | 55,506 psi | 87% | 2808 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 82% | 55,492 psi | 87% | 2749 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% | 51,590 psi | 81% | 2667 fps | 100% |
| Accurate 8700 | <<locked>> | 92% | 41,640 psi | 65% | 2579 fps | 95.5% |
| ADI AR 2213 | <<locked>> | 80% | 51,111 psi | 80% | 2759 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 80% | 38,464 psi | 60% | 2523 fps | 98.4% |
| ADI AR 2218 | 85.9 gr | 86% | 41,321 psi | 65% | 2654 fps | 96% |
| ADI AR 2225 | <<locked>> | 80% | 35,824 psi | 56% | 2497 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 80% | 51,851 psi | 81% | 2759 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 50,604 psi | 79% | 2674 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 44,788 psi | 70% | 2641 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 82% | 39,871 psi | 62% | 2582 fps | 95.3% |
| Alliant Reloder-50 | 89.3 gr | 88% | 43,671 psi | 68% | 2648 fps | 96.1% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 48,240 psi | 76% | 2671 fps | 98.1% |
| Bofors RP15 | <<locked>> | 80% | 48,327 psi | 76% | 2697 fps | 100% |
| Bofors RP30 | <<locked>> | 80% | 41,829 psi | 66% | 2595 fps | 99% |
| Bofors RP5 | <<locked>> | 80% | 51,851 psi | 81% | 2759 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 42,061 psi | 66% | 2595 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 80% | 53,287 psi | 84% | 2749 fps | 99.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 52,344 psi | 82% | 2736 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 80% | 44,063 psi | 69% | 2710 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,689 psi | 45% | 1657 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 53,403 psi | 84% | 2730 fps | 99.9% |
| IMR 7828 SSC | <<locked>> | 80% | 50,140 psi | 79% | 2749 fps | 99.8% |
| IMR 7977 Enduron | <<locked>> | 84% | 48,965 psi | 77% | 2631 fps | 95.1% |
| IMR 8133 Enduron | <<locked>> | 80% | 33,402 psi | 52% | 2421 fps | 96.4% |
| Lovex D100 | <<locked>> | 90% | 53,592 psi | 84% | 2726 fps | 95.3% |
| Lovex S071 | <<locked>> | 80% | 44,643 psi | 70% | 2559 fps | 100% |
| Norma 217 | <<locked>> | 80% | 34,069 psi | 53% | 2451 fps | 98.6% |
| Ramshot Grand | <<locked>> | 80% | 51,126 psi | 80% | 2766 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 46,311 psi | 73% | 2641 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,530 psi | 46% | 1696 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 44,121 psi | 69% | 2687 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 40,611 psi | 64% | 2589 fps | 97.7% |
| Shooters World 50 BMG | <<locked>> | 90% | 53,592 psi | 84% | 2726 fps | 95.3% |
| SNPE Vectan SP 13 | <<locked>> | 92% | 43,801 psi | 69% | 2598 fps | 95.8% |
| Vihtavuori 20N29 | <<locked>> | 98% | 47,543 psi | 75% | 2680 fps | 95.2% |
| Vihtavuori N165 | <<locked>> | 80% | 48,936 psi | 77% | 2641 fps | 100% |
| Vihtavuori N170 | <<locked>> | 82% | 45,252 psi | 71% | 2598 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 80% | 46,340 psi | 73% | 2664 fps | 99.3% |
| Vihtavuori N568 | <<locked>> | 80% | 41,408 psi | 65% | 2602 fps | 97.4% |
| Vihtavuori N570 | 80.2 gr | 82% | 42,511 psi | 67% | 2654 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 80% | 51,576 psi | 81% | 2756 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 51,634 psi | 81% | 2694 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 42 powders for 7 mm Rem. Ultra Mag. loaded with the .284 | 170gr | Rhino Solid Shank. ADI AR 2218 delivers the highest muzzle velocity at 2,933 fps; across all powders the maximum-charge window runs from 1,844 fps to 2,933 fps. Accurate 8700 gives the best case fill at 100 %, and 42 of the 42 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 170.0 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, Alliant Reloder-50 rank at the top here: for 7 mm Rem. Ultra Mag. with the .284 | 170gr | Rhino Solid Shank 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.