Load Specifications
Load data in caliber .30 Super Fl. H&H with .308 | 180gr | Sako Hammerhead bullet and 26 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Hodgdon Retumbo 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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 88% | 40,364 psi | 87% | 2671 fps | 98.6% |
| ADI AR 2209 | <<locked>> | 84% | 39,856 psi | 86% | 2690 fps | 95.8% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 39,305 psi | 85% | 2762 fps | 97.9% |
| Alliant Reloder-19 | <<locked>> | 84% | 39,798 psi | 86% | 2687 fps | 95.9% |
| Alliant Reloder-22 | <<locked>> | 88% | 40,306 psi | 87% | 2743 fps | 96.3% |
| Alliant Reloder-23 | <<locked>> | 90% | 41,205 psi | 89% | 2753 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 94% | 40,785 psi | 88% | 2785 fps | 99.4% |
| Alliant Reloder-26 | <<locked>> | 86% | 39,871 psi | 86% | 2799 fps | 99.5% |
| Bofors RP15 | <<locked>> | 90% | 39,958 psi | 86% | 2733 fps | 96% |
| Bofors RP5 | <<locked>> | 88% | 40,306 psi | 87% | 2743 fps | 96.3% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 40,263 psi | 87% | 2654 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 39,842 psi | 86% | 2815 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,753 psi | 79% | 1821 fps | 100% |
| Lovex S071 | <<locked>> | 94% | 41,785 psi | 90% | 2697 fps | 98.8% |
| Norma MRP | <<locked>> | 86% | 39,479 psi | 85% | 2756 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 39,494 psi | 85% | 2713 fps | 96.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,492 psi | 81% | 1864 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 39,320 psi | 85% | 2799 fps | 97.8% |
| Rottweil R 905 | <<locked>> | 86% | 41,742 psi | 90% | 2730 fps | 96.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 41,379 psi | 89% | 2723 fps | 96.6% |
| Somchem S365 | <<locked>> | 82% | 40,509 psi | 87% | 2710 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 39,610 psi | 85% | 2654 fps | 96.9% |
| Vihtavuori N165 | <<locked>> | 90% | 41,727 psi | 90% | 2690 fps | 97.2% |
| Vihtavuori N555 | <<locked>> | 86% | 40,567 psi | 87% | 2723 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 92% | 39,523 psi | 85% | 2858 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 41,568 psi | 90% | 2690 fps | 96.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 30,879 psi | 67% | 2448 fps | 95.6% |
| ADI AR 2209 | <<locked>> | 82% | 37,434 psi | 81% | 2631 fps | 95% |
| ADI AR 2225 | <<locked>> | 96% | 34,679 psi | 75% | 2641 fps | 96% |
| Alliant Reloder-19 | <<locked>> | 82% | 37,246 psi | 80% | 2628 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 86% | 37,695 psi | 81% | 2680 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,689 psi | 64% | 2477 fps | 98.6% |
| Alliant Reloder-25 | <<locked>> | 84% | 29,515 psi | 64% | 2487 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 31,981 psi | 69% | 2602 fps | 97.5% |
| Bofors RP15 | <<locked>> | 88% | 37,333 psi | 80% | 2674 fps | 95.1% |
| Bofors RP5 | <<locked>> | 86% | 37,695 psi | 81% | 2680 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,710 psi | 81% | 2605 fps | 99.9% |
| Hodgdon Retumbo | 72.8 gr | 92% | 37,333 psi | 80% | 2749 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,499 psi | 59% | 1627 fps | 100% |
| Lovex S071 | <<locked>> | 84% | 30,211 psi | 65% | 2428 fps | 95.3% |
| Norma MRP | <<locked>> | 82% | 34,316 psi | 74% | 2628 fps | 95.6% |
| Ramshot Magnum | <<locked>> | 90% | 36,695 psi | 79% | 2651 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,050 psi | 60% | 1667 fps | 100% |
| ReloadSwiss RS 76 | 76.2 gr | 90% | 34,185 psi | 74% | 2661 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 84% | 38,986 psi | 84% | 2671 fps | 95.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 38,638 psi | 83% | 2664 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 37,753 psi | 81% | 2657 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 34,664 psi | 75% | 2539 fps | 95.3% |
| Vihtavuori N165 | <<locked>> | 86% | 36,593 psi | 79% | 2579 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 80% | 33,083 psi | 71% | 2552 fps | 98.6% |
| Winchester StaBALL HD | 65 gr | 80% | 26,266 psi | 57% | 2470 fps | 98.3% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,812 psi | 84% | 2635 fps | 95.6% |
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 26 powders for .30 Super Fl. H&H loaded with the .308 | 180gr | Sako Hammerhead. Winchester StaBALL HD delivers the highest muzzle velocity at 2,858 fps; across all powders the maximum-charge window runs from 1,821 fps to 2,858 fps. ADI AR 2225 gives the best case fill at 100 %, and 26 of the 26 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (320 MPa), the top charges use 79–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. ADI AR 2225, 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. Winchester StaBALL HD, Hodgdon Retumbo, ReloadSwiss RS 76 rank at the top here: for .30 Super Fl. H&H with the .308 | 180gr | Sako Hammerhead 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.