Load Specifications
Load data in caliber .510 Whisper with .510 | 570gr | Hornady DGX bullet and 22 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are SNPE Vectan SP 3.
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: 16"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 90% | 43,729 psi | 87% | 1644 fps | 98% |
| ADI AR 2205 | <<locked>> | 82% | 45,121 psi | 90% | 1581 fps | 100% |
| ADI AR 2207 | <<locked>> | 96% | 44,527 psi | 89% | 1709 fps | 100% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 33,214 psi | 66% | 1608 fps | 96.4% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 41,263 psi | 82% | 1693 fps | 97.8% |
| Alliant Reloder-7 | <<locked>> | 94% | 44,425 psi | 89% | 1680 fps | 98.7% |
| Baschieri & Pellagri 106 | <<locked>> | 98% | 44,382 psi | 89% | 1663 fps | 95.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 29,907 psi | 60% | 1004 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 45,005 psi | 90% | 1690 fps | 99.1% |
| IMR 4227 | <<locked>> | 88% | 44,251 psi | 88% | 1637 fps | 99.7% |
| Lovex D060 | <<locked>> | 82% | 45,237 psi | 90% | 1657 fps | 99% |
| Lovex S053 | <<locked>> | 90% | 45,194 psi | 90% | 1640 fps | 100% |
| Norma 200 | <<locked>> | 98% | 43,947 psi | 88% | 1716 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,544 psi | 59% | 1030 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 88% | 43,091 psi | 86% | 1657 fps | 99.5% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 45,237 psi | 90% | 1657 fps | 99% |
| Shooters World SOCOM | <<locked>> | 82% | 44,962 psi | 90% | 1644 fps | 99.3% |
| SNPE Vectan BA6 1/2 | <<locked>> | 92% | 44,324 psi | 89% | 1542 fps | 100% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 43,105 psi | 86% | 1690 fps | 96% |
| Vihtavuori N110 | <<locked>> | 84% | 45,165 psi | 90% | 1588 fps | 100% |
| Vihtavuori N120 | <<locked>> | 96% | 44,788 psi | 90% | 1683 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 40,292 psi | 81% | 1634 fps | 97.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 16"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 82% | 33,808 psi | 68% | 1512 fps | 95.5% |
| ADI AR 2205 | <<locked>> | 80% | 42,453 psi | 85% | 1555 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 27,456 psi | 55% | 1470 fps | 97.6% |
| Alliant AR-Comp | <<locked>> | 98% | 31,328 psi | 63% | 1575 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 92% | 32,329 psi | 65% | 1568 fps | 95.3% |
| Alliant Reloder-7 | <<locked>> | 82% | 30,908 psi | 62% | 1496 fps | 95.3% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 41,713 psi | 83% | 1631 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,901 psi | 44% | 892 fps | 100% |
| IMR 4198 | <<locked>> | 86% | 30,574 psi | 61% | 1486 fps | 95.4% |
| IMR 4227 | <<locked>> | 80% | 34,954 psi | 70% | 1519 fps | 98.4% |
| Lovex D060 | <<locked>> | 80% | 42,772 psi | 85% | 1627 fps | 98.6% |
| Lovex S053 | <<locked>> | 80% | 34,127 psi | 68% | 1506 fps | 99.9% |
| Norma 200 | <<locked>> | 86% | 30,429 psi | 61% | 1529 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,567 psi | 43% | 915 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 33,707 psi | 67% | 1532 fps | 98% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 42,772 psi | 85% | 1627 fps | 98.6% |
| Shooters World SOCOM | <<locked>> | 80% | 42,279 psi | 84% | 1611 fps | 99% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 32,401 psi | 65% | 1407 fps | 100% |
| SNPE Vectan SP 3 | 52 gr | 98% | 40,553 psi | 81% | 1660 fps | 95.3% |
| Vihtavuori N110 | <<locked>> | 80% | 40,364 psi | 81% | 1539 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 27,818 psi | 56% | 1457 fps | 98.7% |
| Vihtavuori N130 | <<locked>> | 94% | 33,692 psi | 67% | 1545 fps | 95.3% |
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 22 powders for .510 Whisper loaded with the .510 | 570gr | Hornady DGX. Norma 200 delivers the highest muzzle velocity at 1,716 fps; across all powders the maximum-charge window runs from 1,004 fps to 1,716 fps. Alliant AR-Comp gives the best case fill at 100 %, and 22 of the 22 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (345 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. Alliant AR-Comp, Alliant Reloder-10x, Hodgdon TrailBoss 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 2219, Hodgdon H322, SNPE Vectan SP 3 rank at the top here: for .510 Whisper with the .510 | 570gr | Hornady DGX they combine a high case fill with complete burn and sit in the upper velocity band. Hodgdon TrailBoss, ReloadSwiss RS 14 stay subsonic at start load. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.