Load Specifications
Load data in caliber 7 mm Rem. Mag. with .284 | 145gr | Prvi Partizan SP bullet and 77 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.
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>> | 96% | 52,866 psi | 85% | 2933 fps | 99.7% |
| Accurate 4350 | <<locked>> | 88% | 54,549 psi | 87% | 2976 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 54,897 psi | 88% | 3071 fps | 96.5% |
| ADI AR 2208 | <<locked>> | 84% | 56,434 psi | 90% | 2949 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 55,216 psi | 89% | 3022 fps | 98.5% |
| ADI AR 2213 | <<locked>> | 96% | 52,982 psi | 85% | 3015 fps | 97.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 39,291 psi | 63% | 2785 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 53,896 psi | 86% | 2917 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 55,114 psi | 88% | 3031 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 52,794 psi | 85% | 2995 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 54,810 psi | 88% | 3012 fps | 98.5% |
| Alliant Reloder-22 | <<locked>> | 98% | 56,159 psi | 90% | 3074 fps | 98.8% |
| Alliant Reloder-23 | <<locked>> | 98% | 53,417 psi | 86% | 3002 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 49,327 psi | 79% | 2992 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 94% | 53,490 psi | 86% | 3084 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 55,027 psi | 88% | 3054 fps | 98.6% |
| Bofors RP3 | <<locked>> | 82% | 54,868 psi | 88% | 2933 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 56,159 psi | 90% | 3074 fps | 98.8% |
| Bofors RP7 | <<locked>> | 86% | 54,201 psi | 87% | 2923 fps | 99% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 48,820 psi | 78% | 2933 fps | 97% |
| Hodgdon H380 | <<locked>> | 82% | 54,984 psi | 88% | 2949 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 56,420 psi | 90% | 3031 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 86% | 55,637 psi | 89% | 2986 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 94% | 53,026 psi | 85% | 2956 fps | 96.4% |
| Hodgdon H4831 SC | <<locked>> | 96% | 55,593 psi | 89% | 3002 fps | 97% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 55,637 psi | 89% | 2956 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 48,399 psi | 78% | 3038 fps | 98.3% |
| Hodgdon Superformance | <<locked>> | 86% | 52,765 psi | 85% | 3002 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,782 psi | 59% | 1870 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 55,767 psi | 89% | 2927 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 55,274 psi | 89% | 2959 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 55,724 psi | 89% | 2949 fps | 99.5% |
| IMR 4831 | <<locked>> | 90% | 54,984 psi | 88% | 2969 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 54,447 psi | 87% | 2946 fps | 96.9% |
| IMR 7828 SSC | <<locked>> | 98% | 54,346 psi | 87% | 3054 fps | 97.5% |
| Lovex S062 | <<locked>> | 82% | 56,101 psi | 90% | 2920 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 55,927 psi | 90% | 2946 fps | 99.9% |
| Lovex S070 | <<locked>> | 88% | 54,027 psi | 87% | 2940 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 50,343 psi | 81% | 2890 fps | 99.5% |
| Norma 204 | <<locked>> | 90% | 56,159 psi | 90% | 3012 fps | 98.5% |
| Norma MRP | <<locked>> | 96% | 56,014 psi | 90% | 3100 fps | 99.6% |
| Norma URP | <<locked>> | 88% | 53,055 psi | 85% | 2959 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 54,911 psi | 88% | 3074 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 90% | 55,376 psi | 89% | 3015 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 53,055 psi | 85% | 3009 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,405 psi | 60% | 1909 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 54,853 psi | 88% | 2936 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 56,028 psi | 90% | 3045 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 54,331 psi | 87% | 2995 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 52,678 psi | 84% | 3025 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 48,631 psi | 78% | 3031 fps | 99.2% |
| Rottweil R 903 | <<locked>> | 84% | 54,984 psi | 88% | 2930 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 53,359 psi | 86% | 2936 fps | 97.2% |
| Rottweil R 905 | <<locked>> | 94% | 54,201 psi | 87% | 2999 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 86% | 54,201 psi | 87% | 2923 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 88% | 55,927 psi | 90% | 2946 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 56,101 psi | 90% | 2920 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 54,027 psi | 87% | 2940 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 52,881 psi | 85% | 2933 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 55,521 psi | 89% | 2812 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 55,463 psi | 89% | 2897 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 53,737 psi | 86% | 2992 fps | 98.4% |
| Somchem S355 | <<locked>> | 84% | 54,897 psi | 88% | 2927 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 54,940 psi | 88% | 2930 fps | 96.8% |
| Somchem S365 | <<locked>> | 90% | 52,837 psi | 85% | 2963 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 54,752 psi | 88% | 2972 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 86% | 56,115 psi | 90% | 2900 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 55,085 psi | 88% | 2956 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 54,201 psi | 87% | 2949 fps | 98.8% |
| Vihtavuori N550 | <<locked>> | 88% | 54,143 psi | 87% | 2956 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 55,912 psi | 90% | 3028 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 56,014 psi | 90% | 3091 fps | 97.3% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 51,706 psi | 83% | 2999 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 54,621 psi | 88% | 2917 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 52,910 psi | 85% | 2972 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 53,751 psi | 86% | 3133 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 54,679 psi | 88% | 2966 fps | 98.4% |
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>> | 82% | 32,837 psi | 53% | 2526 fps | 95.2% |
| Accurate 4350 | <<locked>> | 80% | 41,437 psi | 66% | 2743 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 94% | 51,097 psi | 82% | 3005 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 80% | 49,719 psi | 80% | 2838 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 42,525 psi | 68% | 2782 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 92% | 46,340 psi | 74% | 2890 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 36,695 psi | 59% | 2717 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 50,778 psi | 81% | 2864 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 39,813 psi | 64% | 2746 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 45,614 psi | 73% | 2877 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 42,322 psi | 68% | 2776 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 40,045 psi | 64% | 2766 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,544 psi | 47% | 2500 fps | 97.6% |
| Alliant Reloder-25 | <<locked>> | 86% | 31,430 psi | 50% | 2566 fps | 95% |
| Alliant Reloder-26 | 60.2 gr | 80% | 31,807 psi | 51% | 2618 fps | 96.2% |
| Bofors RP15 | <<locked>> | 92% | 42,424 psi | 68% | 2815 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 51,416 psi | 82% | 2881 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 40,045 psi | 64% | 2766 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 44,715 psi | 72% | 2749 fps | 97.4% |
| Hodgdon H1000 | <<locked>> | 98% | 45,411 psi | 73% | 2861 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 51,517 psi | 83% | 2894 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 43,105 psi | 69% | 2789 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 80% | 45,977 psi | 74% | 2808 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 49,588 psi | 80% | 2897 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 48,646 psi | 78% | 2881 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,579 psi | 60% | 2638 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 39,595 psi | 63% | 2831 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 42,308 psi | 68% | 2805 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,543 psi | 44% | 1673 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 52,301 psi | 84% | 2874 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 40,422 psi | 65% | 2677 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,151 psi | 74% | 2782 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 39,581 psi | 63% | 2690 fps | 98.9% |
| IMR 4955 Enduron | <<locked>> | 90% | 48,008 psi | 77% | 2831 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 94% | 47,485 psi | 76% | 2927 fps | 95.8% |
| Lovex S062 | <<locked>> | 80% | 52,866 psi | 85% | 2871 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 43,816 psi | 70% | 2733 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 42,061 psi | 67% | 2713 fps | 97.5% |
| Lovex S071 | <<locked>> | 88% | 34,156 psi | 55% | 2559 fps | 95.8% |
| Norma 204 | <<locked>> | 82% | 42,757 psi | 69% | 2762 fps | 95.6% |
| Norma MRP | 61.3 gr | 84% | 36,593 psi | 59% | 2713 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 40,915 psi | 66% | 2733 fps | 99% |
| Ramshot Grand | <<locked>> | 92% | 44,135 psi | 71% | 2867 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 39,711 psi | 64% | 2720 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 39,262 psi | 63% | 2736 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,992 psi | 45% | 1709 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 51,285 psi | 82% | 2877 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 48,457 psi | 78% | 2930 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 41,278 psi | 66% | 2762 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 39,639 psi | 64% | 2766 fps | 98.5% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 36,593 psi | 59% | 2746 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 80% | 48,472 psi | 78% | 2825 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 46,876 psi | 75% | 2818 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 41,437 psi | 66% | 2756 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 44,715 psi | 72% | 2749 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 43,816 psi | 70% | 2733 fps | 98.7% |
| Shooters World Precision | <<locked>> | 80% | 52,866 psi | 85% | 2871 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 42,061 psi | 67% | 2713 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 49,603 psi | 80% | 2881 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,950 psi | 78% | 2717 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,815 psi | 69% | 2674 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 41,060 psi | 66% | 2753 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 48,530 psi | 78% | 2825 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 48,066 psi | 77% | 2808 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 37,550 psi | 60% | 2687 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,883 psi | 59% | 2625 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 46,369 psi | 74% | 2749 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 42,322 psi | 68% | 2733 fps | 99.2% |
| Vihtavuori N165 | <<locked>> | 88% | 38,943 psi | 62% | 2661 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 41,727 psi | 67% | 2730 fps | 99% |
| Vihtavuori N555 | <<locked>> | 80% | 32,938 psi | 53% | 2579 fps | 97.6% |
| Vihtavuori N560 | 67.2 gr | 92% | 48,805 psi | 78% | 2963 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 98% | 48,138 psi | 77% | 2933 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 41,249 psi | 66% | 2694 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,294 psi | 69% | 2792 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 26,107 psi | 42% | 2474 fps | 96.7% |
| Winchester Supreme 780 | <<locked>> | 88% | 41,495 psi | 67% | 2723 fps | 95.4% |
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 83 powders for 7 mm Rem. Mag. loaded with the .284 | 145gr | Prvi Partizan SP. Winchester StaBALL HD delivers the highest muzzle velocity at 3,133 fps; across all powders the maximum-charge window runs from 1,870 fps to 3,133 fps. ADI AR 2217 gives the best case fill at 100 %, and 83 of the 83 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 145.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Alliant Reloder-26, Norma MRP, Vihtavuori N560 rank at the top here: for 7 mm Rem. Mag. with the .284 | 145gr | Prvi Partizan SP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, Baschieri & Pellagri 109, Norma 217 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.