Load Specifications
Load data in caliber .30 Rem. with .308 | 85gr | Lehigh Defense Xtreme Cavitator bullet and 7 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N120, SNPE Vectan BA6 1/2 and Lovex S053.
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: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| ADI AR 2207 | <<locked>> | 94% | 34,722 psi | 86% | 2966 fps | 95.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 27,833 psi | 69% | 1962 fps | 100% |
| Lovex S053 | <<locked>> | 88% | 36,274 psi | 89% | 2910 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 27,369 psi | 67% | 2008 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 35,723 psi | 88% | 2792 fps | 100% |
| Vihtavuori N110 | <<locked>> | 82% | 35,955 psi | 89% | 2867 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 35,128 psi | 87% | 2940 fps | 97.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| ADI AR 2207 | <<locked>> | 92% | 32,677 psi | 80% | 2910 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 20,175 psi | 50% | 1752 fps | 100% |
| Lovex S053 | 26.5 gr | 80% | 28,790 psi | 71% | 2703 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 19,725 psi | 49% | 1791 fps | 100% |
| SNPE Vectan BA6 1/2 | 24.2 gr | 80% | 27,238 psi | 67% | 2582 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 33,953 psi | 84% | 2822 fps | 100% |
| Vihtavuori N120 | 30.3 gr | 88% | 29,327 psi | 72% | 2776 fps | 95% |
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 7 powders for .30 Rem. loaded with the .308 | 85gr | Lehigh Defense Xtreme Cavitator. ADI AR 2207 delivers the highest muzzle velocity at 2,966 fps; across all powders the maximum-charge window runs from 1,962 fps to 2,966 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 7 of the 7 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (280 MPa), the top charges use 67–89 %, leaving at least 11 % headroom. 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. Vihtavuori N120, SNPE Vectan BA6 1/2, Lovex S053 rank at the top here: for .30 Rem. with the .308 | 85gr | Lehigh Defense Xtreme Cavitator 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.