Load Specifications
Load data in caliber 7.82 Warbird with .308 | 220gr | Alaska Bullet Works Kodiak PP SPBC 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% | 59,524 psi | 89% | 2782 fps | 100% |
| Accurate 8700ᴾ | <<locked>> | 100% | 50,952 psi | 76% | 2785 fps | 98.5% |
| Accurate MAGPRO | <<locked>> | 84% | 58,697 psi | 88% | 2904 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 56,608 psi | 85% | 2815 fps | 100% |
| ADI AR 2213 | <<locked>> | 86% | 59,437 psi | 89% | 2897 fps | 100% |
| ADI AR 2217 | <<locked>> | 94% | 58,784 psi | 88% | 2881 fps | 100% |
| ADI AR 2218 | <<locked>> | 98% | 59,437 psi | 89% | 3028 fps | 99.9% |
| ADI AR 2225 | <<locked>> | 96% | 58,320 psi | 87% | 2904 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 59,959 psi | 90% | 2858 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 59,886 psi | 90% | 2887 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 58,044 psi | 87% | 2782 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 58,943 psi | 88% | 2867 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 59,074 psi | 89% | 2874 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 94% | 57,159 psi | 86% | 2933 fps | 99.6% |
| Alliant Reloder-50 | <<locked>> | 98% | 57,276 psi | 86% | 2933 fps | 99.4% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 59,190 psi | 89% | 2861 fps | 99.7% |
| Bofors RP15 | <<locked>> | 88% | 59,248 psi | 89% | 2877 fps | 100% |
| Bofors RP30 | <<locked>> | 92% | 58,682 psi | 88% | 2894 fps | 100% |
| Bofors RP5 | <<locked>> | 86% | 59,886 psi | 90% | 2887 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 60,263 psi | 90% | 2897 fps | 100% |
| Hodgdon H4831 | <<locked>> | 84% | 57,914 psi | 87% | 2828 fps | 100% |
| Hodgdon H4831 SC | <<locked>> | 84% | 56,826 psi | 85% | 2812 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 58,755 psi | 88% | 2963 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 38,116 psi | 57% | 1785 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 57,798 psi | 87% | 2799 fps | 100% |
| IMR 7828 SSC | <<locked>> | 86% | 57,986 psi | 87% | 2881 fps | 100% |
| IMR 7977 Enduron | <<locked>> | 92% | 60,234 psi | 90% | 2818 fps | 97.8% |
| IMR 8133 Enduron | <<locked>> | 98% | 57,116 psi | 86% | 2890 fps | 100% |
| Lovex D100 | <<locked>> | 94% | 57,537 psi | 86% | 2815 fps | 96.5% |
| Lovex S071 | <<locked>> | 90% | 57,856 psi | 87% | 2759 fps | 100% |
| Norma 217 | <<locked>> | 98% | 58,769 psi | 88% | 2910 fps | 100% |
| Norma MRP | <<locked>> | 84% | 60,220 psi | 90% | 2900 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 59,538 psi | 89% | 2904 fps | 100% |
| Ramshot LRT | <<locked>> | 98% | 58,639 psi | 88% | 2949 fps | 96.6% |
| Ramshot Magnum | <<locked>> | 88% | 57,885 psi | 87% | 2831 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 39,088 psi | 59% | 1827 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 59,553 psi | 89% | 2949 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 58,494 psi | 88% | 2933 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 56,898 psi | 85% | 2785 fps | 100% |
| Rottweil R 905 | <<locked>> | 84% | 59,872 psi | 90% | 2851 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 94% | 57,537 psi | 86% | 2815 fps | 96.5% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 52,910 psi | 79% | 2795 fps | 98.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 59,480 psi | 89% | 2848 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 58,160 psi | 87% | 2779 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 60,060 psi | 90% | 2818 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 60,104 psi | 90% | 2805 fps | 100% |
| Vihtavuori N170 | <<locked>> | 92% | 59,451 psi | 89% | 2854 fps | 98.9% |
| Vihtavuori N555 | <<locked>> | 84% | 59,799 psi | 90% | 2808 fps | 100% |
| Vihtavuori N560 | <<locked>> | 84% | 59,422 psi | 89% | 2910 fps | 100% |
| Vihtavuori N565 | <<locked>> | 88% | 56,913 psi | 85% | 2854 fps | 100% |
| Vihtavuori N568 | <<locked>> | 92% | 58,885 psi | 88% | 2933 fps | 100% |
| Vihtavuori N570 | <<locked>> | 92% | 56,246 psi | 84% | 2940 fps | 99.3% |
| Winchester StaBALL HD | <<locked>> | 86% | 59,393 psi | 89% | 2881 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 59,973 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% | 40,988 psi | 61% | 2602 fps | 96% |
| Accurate MAGPRO | <<locked>> | 80% | 51,068 psi | 77% | 2785 fps | 99.7% |
| ADI AR 2209 | <<locked>> | 80% | 52,997 psi | 79% | 2762 fps | 100% |
| ADI AR 2213 | <<locked>> | 80% | 48,283 psi | 72% | 2726 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 80% | 36,085 psi | 54% | 2487 fps | 98.3% |
| ADI AR 2218 | 92.9 gr | 86% | 38,232 psi | 57% | 2618 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 80% | 33,504 psi | 50% | 2467 fps | 99.7% |
| Alliant Reloder-19 | <<locked>> | 80% | 52,692 psi | 79% | 2753 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 80% | 49,023 psi | 73% | 2723 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 47,877 psi | 72% | 2641 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 41,989 psi | 63% | 2608 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 54,911 psi | 82% | 2818 fps | 100% |
| Alliant Reloder-33 | 92.4 gr | 84% | 39,508 psi | 59% | 2615 fps | 96% |
| Alliant Reloder-50 | <<locked>> | 88% | 39,639 psi | 59% | 2608 fps | 95.4% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 45,672 psi | 68% | 2635 fps | 97.9% |
| Bofors RP15 | <<locked>> | 80% | 45,629 psi | 68% | 2664 fps | 99.9% |
| Bofors RP30 | <<locked>> | 80% | 39,189 psi | 59% | 2562 fps | 99% |
| Bofors RP5 | <<locked>> | 80% | 49,023 psi | 73% | 2723 fps | 100% |
| Hodgdon H1000 | <<locked>> | 80% | 39,349 psi | 59% | 2559 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 80% | 50,531 psi | 76% | 2713 fps | 99.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 49,676 psi | 74% | 2700 fps | 99.7% |
| Hodgdon Retumbo | <<locked>> | 80% | 41,162 psi | 62% | 2677 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,587 psi | 43% | 1594 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 51,039 psi | 77% | 2697 fps | 99.9% |
| IMR 7828 SSC | <<locked>> | 80% | 47,181 psi | 71% | 2710 fps | 99.8% |
| IMR 7977 Enduron | <<locked>> | 86% | 49,763 psi | 75% | 2651 fps | 95.7% |
| IMR 8133 Enduron | <<locked>> | 80% | 31,154 psi | 47% | 2392 fps | 96.4% |
| Lovex D100 | <<locked>> | 92% | 53,577 psi | 80% | 2756 fps | 95.7% |
| Lovex S071 | <<locked>> | 80% | 42,235 psi | 63% | 2520 fps | 100% |
| Norma 217 | <<locked>> | 80% | 31,546 psi | 47% | 2418 fps | 98.6% |
| Norma MRP | <<locked>> | 80% | 52,315 psi | 78% | 2785 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 47,790 psi | 72% | 2726 fps | 99.9% |
| Ramshot LRT | <<locked>> | 96% | 54,723 psi | 82% | 2887 fps | 95.7% |
| Ramshot Magnum | <<locked>> | 80% | 43,105 psi | 65% | 2605 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,501 psi | 44% | 1634 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 40,640 psi | 61% | 2654 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 80% | 37,405 psi | 56% | 2556 fps | 97.4% |
| Rottweil R 904 | <<locked>> | 80% | 53,388 psi | 80% | 2733 fps | 100% |
| Rottweil R 905 | <<locked>> | 80% | 52,547 psi | 79% | 2746 fps | 100% |
| Shooters World 50 BMG | <<locked>> | 92% | 53,577 psi | 80% | 2756 fps | 95.7% |
| SNPE Vectan SP 13 | <<locked>> | 92% | 40,248 psi | 60% | 2562 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 52,199 psi | 78% | 2743 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 54,360 psi | 81% | 2726 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 52,794 psi | 79% | 2717 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 46,398 psi | 70% | 2605 fps | 100% |
| Vihtavuori N170 | <<locked>> | 82% | 42,670 psi | 64% | 2569 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 80% | 52,634 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 | 99.3% |
| Vihtavuori N568 | <<locked>> | 80% | 38,479 psi | 58% | 2569 fps | 97.2% |
| Vihtavuori N570 | 86.8 gr | 82% | 39,450 psi | 59% | 2621 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 47,732 psi | 72% | 2720 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 48,965 psi | 73% | 2661 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 54 powders for 7.82 Warbird loaded with the .308 | 220gr | Alaska Bullet Works Kodiak PP SPBC. ADI AR 2218 delivers the highest muzzle velocity at 3,028 fps; across all powders the maximum-charge window runs from 1,785 fps to 3,028 fps. Accurate 8700 gives the best case fill at 100 %, and 54 of the 54 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, 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-33 rank at the top here: for 7.82 Warbird with the .308 | 220gr | Alaska Bullet Works Kodiak PP SPBC 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.