Load Specifications
Load data in caliber 7.82 Warbird with .308 | 220gr | Nosler Partition bullet and 54 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-33.
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>> | 86% | 59,393 psi | 89% | 2779 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 50,850 psi | 76% | 2782 fps | 98.4% |
| Accurate MAGPRO | <<locked>> | 84% | 58,726 psi | 88% | 2907 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 60,249 psi | 90% | 2867 fps | 100% |
| ADI AR 2213 | <<locked>> | 86% | 59,263 psi | 89% | 2894 fps | 100% |
| ADI AR 2217 | <<locked>> | 94% | 58,624 psi | 88% | 2877 fps | 100% |
| ADI AR 2218 | <<locked>> | 98% | 59,074 psi | 89% | 3022 fps | 99.9% |
| ADI AR 2225 | <<locked>> | 96% | 58,160 psi | 87% | 2900 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 59,785 psi | 90% | 2854 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 59,741 psi | 90% | 2884 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 57,856 psi | 87% | 2782 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 58,769 psi | 88% | 2861 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 58,929 psi | 88% | 2874 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 94% | 57,043 psi | 86% | 2933 fps | 99.6% |
| Alliant Reloder-50 | <<locked>> | 98% | 57,159 psi | 86% | 2930 fps | 99.3% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 59,059 psi | 89% | 2858 fps | 99.7% |
| Bofors RP15 | <<locked>> | 88% | 59,088 psi | 89% | 2874 fps | 100% |
| Bofors RP30 | <<locked>> | 92% | 58,552 psi | 88% | 2894 fps | 100% |
| Bofors RP5 | <<locked>> | 86% | 59,741 psi | 90% | 2884 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 60,089 psi | 90% | 2894 fps | 100% |
| Hodgdon H4831 | <<locked>> | 84% | 57,783 psi | 87% | 2825 fps | 100% |
| Hodgdon H4831 SC | <<locked>> | 84% | 56,652 psi | 85% | 2808 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 58,610 psi | 88% | 2963 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,058 psi | 57% | 1785 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 57,653 psi | 86% | 2795 fps | 100% |
| IMR 7828 SSC | <<locked>> | 86% | 57,812 psi | 87% | 2877 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 92% | 60,089 psi | 90% | 2815 fps | 97.8% |
| IMR 8133 Enduron | <<locked>> | 98% | 56,956 psi | 85% | 2890 fps | 100% |
| Lovex D100 | <<locked>> | 94% | 57,421 psi | 86% | 2815 fps | 96.5% |
| Lovex S071 | <<locked>> | 90% | 57,667 psi | 86% | 2756 fps | 100% |
| Norma 217 | <<locked>> | 98% | 58,610 psi | 88% | 2907 fps | 100% |
| Norma MRP | <<locked>> | 84% | 60,031 psi | 90% | 2897 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 59,553 psi | 89% | 2904 fps | 100% |
| Ramshot LRT | <<locked>> | 98% | 58,523 psi | 88% | 2946 fps | 96.5% |
| Ramshot Magnum | <<locked>> | 88% | 57,769 psi | 87% | 2831 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,175 psi | 59% | 1827 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 59,379 psi | 89% | 2946 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 58,363 psi | 87% | 2930 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 56,724 psi | 85% | 2782 fps | 100% |
| Rottweil R 905 | <<locked>> | 84% | 59,872 psi | 90% | 2851 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 94% | 57,421 psi | 86% | 2815 fps | 96.5% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 52,750 psi | 79% | 2789 fps | 98.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 59,495 psi | 89% | 2848 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 58,001 psi | 87% | 2779 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 59,915 psi | 90% | 2815 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 59,988 psi | 90% | 2805 fps | 100% |
| Vihtavuori N170 | <<locked>> | 92% | 59,321 psi | 89% | 2851 fps | 98.9% |
| Vihtavuori N555 | <<locked>> | 84% | 59,611 psi | 89% | 2808 fps | 100% |
| Vihtavuori N560 | <<locked>> | 84% | 59,248 psi | 89% | 2907 fps | 100% |
| Vihtavuori N565 | <<locked>> | 88% | 56,753 psi | 85% | 2854 fps | 100% |
| Vihtavuori N568 | <<locked>> | 92% | 58,581 psi | 88% | 2927 fps | 100% |
| Vihtavuori N570 | <<locked>> | 94% | 60,336 psi | 90% | 3002 fps | 99.7% |
| Winchester StaBALL HD | <<locked>> | 86% | 59,350 psi | 89% | 2881 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 59,857 psi | 90% | 2818 fps | 100% |
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% | 48,834 psi | 73% | 2631 fps | 100% |
| Accurate 8700 | <<locked>> | 94% | 40,886 psi | 61% | 2602 fps | 95.9% |
| Accurate MAGPRO | <<locked>> | 80% | 51,097 psi | 77% | 2785 fps | 99.7% |
| ADI AR 2209 | <<locked>> | 80% | 52,837 psi | 79% | 2759 fps | 100% |
| ADI AR 2213 | <<locked>> | 80% | 48,124 psi | 72% | 2720 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 80% | 36,114 psi | 54% | 2487 fps | 98.3% |
| ADI AR 2218 | 92.7 gr | 86% | 38,159 psi | 57% | 2615 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 80% | 33,373 psi | 50% | 2467 fps | 99.7% |
| Alliant Reloder-19 | <<locked>> | 80% | 52,678 psi | 79% | 2753 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 48,863 psi | 73% | 2720 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 47,718 psi | 72% | 2641 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 41,843 psi | 63% | 2608 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 54,737 psi | 82% | 2818 fps | 100% |
| Alliant Reloder-33 | 92.2 gr | 84% | 39,378 psi | 59% | 2612 fps | 96% |
| Alliant Reloder-50 | <<locked>> | 88% | 39,508 psi | 59% | 2605 fps | 95.4% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 45,701 psi | 69% | 2638 fps | 98% |
| Bofors RP15 | <<locked>> | 80% | 45,614 psi | 68% | 2664 fps | 99.9% |
| Bofors RP30 | <<locked>> | 80% | 39,175 psi | 59% | 2562 fps | 99% |
| Bofors RP5 | <<locked>> | 80% | 48,863 psi | 73% | 2720 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 39,189 psi | 59% | 2556 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 80% | 50,531 psi | 76% | 2713 fps | 99.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 49,545 psi | 74% | 2697 fps | 99.7% |
| Hodgdon Retumbo | <<locked>> | 80% | 41,017 psi | 61% | 2674 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,645 psi | 43% | 1594 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 50,908 psi | 76% | 2694 fps | 99.9% |
| IMR 7828 SSC | <<locked>> | 80% | 47,036 psi | 71% | 2710 fps | 99.8% |
| IMR 7977 Enduron | <<locked>> | 86% | 49,632 psi | 74% | 2648 fps | 95.7% |
| IMR 8133 Enduron | <<locked>> | 80% | 31,009 psi | 46% | 2388 fps | 96.3% |
| Lovex D100 | <<locked>> | 92% | 53,476 psi | 80% | 2753 fps | 95.6% |
| Lovex S071 | <<locked>> | 80% | 42,235 psi | 63% | 2523 fps | 100% |
| Norma 217 | <<locked>> | 80% | 31,401 psi | 47% | 2415 fps | 98.5% |
| Norma MRP | <<locked>> | 80% | 52,315 psi | 78% | 2785 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 47,805 psi | 72% | 2726 fps | 99.9% |
| Ramshot LRT | <<locked>> | 96% | 54,578 psi | 82% | 2884 fps | 95.6% |
| Ramshot Magnum | <<locked>> | 80% | 42,931 psi | 64% | 2602 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,443 psi | 44% | 1634 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 40,495 psi | 61% | 2651 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 37,246 psi | 56% | 2552 fps | 97.4% |
| Rottweil R 904 | <<locked>> | 80% | 53,200 psi | 80% | 2730 fps | 100% |
| Rottweil R 905 | <<locked>> | 80% | 52,402 psi | 79% | 2743 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 92% | 53,476 psi | 80% | 2753 fps | 95.6% |
| SNPE Vectan SP 13 | <<locked>> | 92% | 40,132 psi | 60% | 2559 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 52,054 psi | 78% | 2740 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 54,259 psi | 81% | 2723 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 52,663 psi | 79% | 2713 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 46,412 psi | 70% | 2605 fps | 100% |
| Vihtavuori N170 | <<locked>> | 82% | 42,554 psi | 64% | 2566 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 80% | 52,620 psi | 79% | 2713 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 51,721 psi | 78% | 2795 fps | 99.9% |
| Vihtavuori N565 | <<locked>> | 80% | 43,410 psi | 65% | 2628 fps | 99.2% |
| Vihtavuori N568 | <<locked>> | 80% | 38,363 psi | 57% | 2566 fps | 97.2% |
| Vihtavuori N570 | 86.6 gr | 82% | 39,334 psi | 59% | 2621 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 47,572 psi | 71% | 2720 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 48,834 psi | 73% | 2657 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 58 powders for 7.82 Warbird loaded with the .308 | 220gr | Nosler Partition. ADI AR 2218 delivers the highest muzzle velocity at 3,022 fps; across all powders the maximum-charge window runs from 1,785 fps to 3,022 fps. Accurate 8700 gives the best case fill at 100 %, and 58 of the 58 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (460 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 220.0 gr projectile in 0.308" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 8700, Hodgdon TrailBoss, Hodgdon US 869 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-33 rank at the top here: for 7.82 Warbird with the .308 | 220gr | Nosler Partition they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Hodgdon 50BMG 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.