Load Specifications
Load data in caliber 7 mm Mag. Fl. H&H with .284 | 120gr | Sierra Pro-Hunter bullet and 47 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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 42,235 psi | 88% | 2867 fps | 100% |
| Accurate 4064 | <<locked>> | 86% | 42,235 psi | 88% | 2904 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 40,814 psi | 85% | 2933 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 86% | 41,901 psi | 88% | 2867 fps | 96.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 42,351 psi | 88% | 3005 fps | 96.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 41,234 psi | 86% | 2890 fps | 98.3% |
| Alliant Reloder-15 | <<locked>> | 84% | 41,742 psi | 87% | 2904 fps | 97.1% |
| Alliant Reloder-16 | <<locked>> | 94% | 41,031 psi | 86% | 2946 fps | 96.2% |
| Alliant Reloder-17 | <<locked>> | 90% | 40,901 psi | 85% | 2979 fps | 98% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 42,685 psi | 89% | 2920 fps | 96.8% |
| Bofors RP3 | <<locked>> | 86% | 41,002 psi | 86% | 2897 fps | 98.4% |
| Hodgdon H380 | <<locked>> | 86% | 42,134 psi | 88% | 2897 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 42,467 psi | 89% | 2936 fps | 98.3% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 42,351 psi | 88% | 2956 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,853 psi | 73% | 1913 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 42,032 psi | 88% | 2881 fps | 98.1% |
| IMR 3031 | <<locked>> | 82% | 43,105 psi | 90% | 2936 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 41,205 psi | 86% | 2848 fps | 97% |
| IMR 4831 | <<locked>> | 96% | 42,148 psi | 88% | 2940 fps | 96.6% |
| IMR 4895 | <<locked>> | 84% | 42,772 psi | 89% | 2940 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 82% | 42,119 psi | 88% | 2897 fps | 99.7% |
| Lovex S062 | <<locked>> | 84% | 40,973 psi | 86% | 2851 fps | 98.6% |
| Norma 201 | <<locked>> | 82% | 42,540 psi | 89% | 2874 fps | 98.8% |
| Norma 202 | <<locked>> | 82% | 42,888 psi | 90% | 2887 fps | 99.9% |
| Norma 203B | <<locked>> | 84% | 41,060 psi | 86% | 2890 fps | 97.5% |
| Norma URP | <<locked>> | 94% | 41,191 psi | 86% | 2936 fps | 96.1% |
| Ramshot Big Game | <<locked>> | 84% | 40,712 psi | 85% | 2904 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,346 psi | 74% | 1959 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 40,567 psi | 85% | 2946 fps | 96.7% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 40,915 psi | 85% | 2992 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 84% | 42,989 psi | 90% | 2871 fps | 98.9% |
| Rottweil R 903 | <<locked>> | 88% | 40,886 psi | 85% | 2887 fps | 98.1% |
| Shooters World Match Rifle | <<locked>> | 82% | 42,119 psi | 88% | 2897 fps | 99.7% |
| Shooters World Precision | <<locked>> | 84% | 40,973 psi | 86% | 2851 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 42,293 psi | 88% | 2943 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 41,916 psi | 88% | 2884 fps | 97.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 41,336 psi | 86% | 2785 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 41,814 psi | 87% | 2894 fps | 98.1% |
| Somchem S365 | <<locked>> | 98% | 41,771 psi | 87% | 2995 fps | 99.3% |
| Vihtavuori N135 | <<locked>> | 84% | 42,264 psi | 88% | 2861 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 43,207 psi | 90% | 2867 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 42,714 psi | 89% | 2881 fps | 99.2% |
| Vihtavuori N160 | <<locked>> | 94% | 43,120 psi | 90% | 2933 fps | 96.5% |
| Vihtavuori N540 | <<locked>> | 84% | 41,742 psi | 87% | 2858 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 94% | 42,380 psi | 89% | 2936 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 40,944 psi | 86% | 2858 fps | 98% |
| Winchester StaBALL Match | <<locked>> | 82% | 41,307 psi | 86% | 2887 fps | 98.1% |
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 37,014 psi | 77% | 2762 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 35,027 psi | 73% | 2743 fps | 99.3% |
| Accurate 4350 | <<locked>> | 92% | 38,014 psi | 79% | 2871 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 82% | 37,014 psi | 77% | 2756 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 39,465 psi | 82% | 2936 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,997 psi | 71% | 2720 fps | 96.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,622 psi | 77% | 2782 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 92% | 38,522 psi | 80% | 2884 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 84% | 33,533 psi | 70% | 2782 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,798 psi | 83% | 2854 fps | 95.9% |
| Bofors RP3 | <<locked>> | 80% | 33,460 psi | 70% | 2717 fps | 96.3% |
| Hodgdon H380 | <<locked>> | 84% | 39,450 psi | 82% | 2838 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 33,040 psi | 69% | 2710 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,898 psi | 77% | 2831 fps | 97.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,034 psi | 54% | 1713 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,624 psi | 83% | 2825 fps | 97.5% |
| IMR 3031 | <<locked>> | 80% | 40,205 psi | 84% | 2881 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 36,318 psi | 76% | 2733 fps | 95.5% |
| IMR 4831 | <<locked>> | 94% | 39,407 psi | 82% | 2881 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 37,463 psi | 78% | 2818 fps | 96.5% |
| Lovex D073.6 | <<locked>> | 80% | 39,392 psi | 82% | 2841 fps | 99.4% |
| Lovex S062 | <<locked>> | 80% | 36,129 psi | 75% | 2743 fps | 97.4% |
| Norma 201 | <<locked>> | 80% | 40,059 psi | 84% | 2818 fps | 98.4% |
| Norma 202 | <<locked>> | 80% | 40,103 psi | 84% | 2831 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 35,984 psi | 75% | 2772 fps | 96% |
| Norma URP | <<locked>> | 92% | 38,537 psi | 81% | 2874 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 35,404 psi | 74% | 2776 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,092 psi | 55% | 1749 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,869 psi | 79% | 2884 fps | 95.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 31,256 psi | 65% | 2730 fps | 96.9% |
| Rottweil R 902 | <<locked>> | 80% | 37,956 psi | 79% | 2762 fps | 97.9% |
| Rottweil R 903 | <<locked>> | 80% | 31,357 psi | 66% | 2651 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 39,392 psi | 82% | 2841 fps | 99.4% |
| Shooters World Precision | <<locked>> | 80% | 36,129 psi | 75% | 2743 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 34,635 psi | 72% | 2762 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 39,276 psi | 82% | 2825 fps | 96.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 34,156 psi | 71% | 2631 fps | 99.5% |
| Somchem S355 | <<locked>> | 80% | 32,503 psi | 68% | 2667 fps | 95.2% |
| Somchem S365 | <<locked>> | 88% | 30,255 psi | 63% | 2697 fps | 95.6% |
| Vihtavuori N135 | <<locked>> | 80% | 37,028 psi | 77% | 2756 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,884 psi | 79% | 2759 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 80% | 30,705 psi | 64% | 2598 fps | 96.2% |
| Vihtavuori N160 | <<locked>> | 92% | 40,379 psi | 84% | 2877 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 36,419 psi | 76% | 2743 fps | 99.2% |
| Vihtavuori N550 | <<locked>> | 92% | 39,682 psi | 83% | 2877 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 33,576 psi | 70% | 2680 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 38,696 psi | 81% | 2828 fps | 97.4% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 47 powders for 7 mm Mag. Fl. H&H loaded with the .284 | 120gr | Sierra Pro-Hunter. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,005 fps; across all powders the maximum-charge window runs from 1,913 fps to 3,005 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 47 of the 47 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 73–90 %, leaving at least 10 % headroom. The 120.0 gr projectile in 0.284" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. 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.