Load Specifications
Load data in caliber .307 Win. with .308 | 125gr | Barnes Solid bullet and 32 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, Norma 200 and ADI AR 2207.
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: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 90% | 52,910 psi | 88% | 2723 fps | 99.6% |
| Accurate 2015ᴾ | <<locked>> | 100% | 44,918 psi | 75% | 2680 fps | 97.9% |
| Accurate 2460ᴾ | <<locked>> | 100% | 50,111 psi | 83% | 2776 fps | 95.9% |
| Accurate LT-30 | <<locked>> | 96% | 53,069 psi | 88% | 2720 fps | 98% |
| Accurate LT-32 | <<locked>> | 96% | 53,650 psi | 89% | 2726 fps | 96.2% |
| ADI AR 2205 | <<locked>> | 82% | 52,040 psi | 86% | 2605 fps | 100% |
| ADI AR 2207 | <<locked>> | 94% | 51,822 psi | 86% | 2779 fps | 100% |
| ADI AR 2219 | <<locked>> | 98% | 53,882 psi | 90% | 2861 fps | 98% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 41,437 psi | 69% | 2700 fps | 99.3% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 51,967 psi | 86% | 2815 fps | 99.6% |
| Alliant Reloder-7 | <<locked>> | 94% | 54,056 psi | 90% | 2782 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 51,227 psi | 85% | 2710 fps | 98% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 51,721 psi | 86% | 2828 fps | 97.6% |
| Hodgdon H335ᴾ | <<locked>> | 100% | 52,924 psi | 88% | 2844 fps | 96.8% |
| Hodgdon H4198 | <<locked>> | 92% | 52,170 psi | 87% | 2726 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,096 psi | 52% | 1670 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 53,795 psi | 89% | 2799 fps | 100% |
| IMR 4227 | <<locked>> | 88% | 52,344 psi | 87% | 2710 fps | 100% |
| Lovex D060 | <<locked>> | 82% | 52,402 psi | 87% | 2743 fps | 99.9% |
| Lovex S053 | <<locked>> | 90% | 53,751 psi | 89% | 2707 fps | 100% |
| Norma 200 | <<locked>> | 96% | 52,272 psi | 87% | 2802 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,966 psi | 51% | 1709 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 88% | 51,721 psi | 86% | 2740 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 52,402 psi | 87% | 2743 fps | 99.9% |
| Shooters World SOCOM | <<locked>> | 82% | 53,287 psi | 89% | 2717 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 53,983 psi | 90% | 2559 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 98% | 54,302 psi | 90% | 2861 fps | 97% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 52,895 psi | 88% | 2818 fps | 98.6% |
| Vihtavuori N110 | <<locked>> | 84% | 52,910 psi | 88% | 2615 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 51,895 psi | 86% | 2736 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 49,617 psi | 82% | 2717 fps | 99.2% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 43,033 psi | 71% | 2612 fps | 97.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 20"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 38,218 psi | 63% | 2470 fps | 97.4% |
| Accurate 2015 | <<locked>> | 92% | 34,751 psi | 58% | 2480 fps | 95.2% |
| Accurate 2460 | <<locked>> | 98% | 46,470 psi | 77% | 2717 fps | 95% |
| Accurate LT-30 | <<locked>> | 88% | 41,901 psi | 70% | 2533 fps | 95.7% |
| Accurate LT-32 | <<locked>> | 94% | 50,357 psi | 84% | 2674 fps | 95.5% |
| ADI AR 2205 | <<locked>> | 80% | 48,791 psi | 81% | 2559 fps | 100% |
| ADI AR 2207 | 29.6 gr | 80% | 33,576 psi | 56% | 2448 fps | 99.3% |
| ADI AR 2219 | 36.8 gr | 90% | 41,263 psi | 69% | 2638 fps | 95% |
| Alliant AR-Comp | <<locked>> | 88% | 28,587 psi | 47% | 2385 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 84% | 31,691 psi | 53% | 2421 fps | 95.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,041 psi | 58% | 2441 fps | 97.1% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 39,697 psi | 66% | 2510 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 94% | 42,598 psi | 71% | 2667 fps | 95.4% |
| Hodgdon H335 | <<locked>> | 96% | 46,195 psi | 77% | 2733 fps | 95.2% |
| Hodgdon H4198 | <<locked>> | 86% | 43,439 psi | 72% | 2572 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,018 psi | 38% | 1493 fps | 100% |
| IMR 4198 | <<locked>> | 80% | 30,385 psi | 50% | 2336 fps | 95.8% |
| IMR 4227 | <<locked>> | 80% | 41,104 psi | 68% | 2523 fps | 99.6% |
| Lovex D060 | <<locked>> | 80% | 49,153 psi | 82% | 2690 fps | 99.7% |
| Lovex S053 | <<locked>> | 80% | 40,205 psi | 67% | 2493 fps | 100% |
| Norma 200 | 31 gr | 80% | 31,589 psi | 52% | 2405 fps | 96.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,785 psi | 38% | 1529 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,364 psi | 67% | 2546 fps | 99.5% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 49,153 psi | 82% | 2690 fps | 99.7% |
| Shooters World SOCOM | <<locked>> | 80% | 49,966 psi | 83% | 2667 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 37,565 psi | 62% | 2320 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 47,485 psi | 79% | 2753 fps | 95.5% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 39,088 psi | 65% | 2572 fps | 95.6% |
| Vihtavuori N110 | <<locked>> | 80% | 46,963 psi | 78% | 2533 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 33,736 psi | 56% | 2421 fps | 99.8% |
| Vihtavuori N130 | <<locked>> | 86% | 32,634 psi | 54% | 2388 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 94% | 36,114 psi | 60% | 2474 fps | 95.4% |
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 32 powders for .307 Win. loaded with the .308 | 125gr | Barnes Solid. ADI AR 2219 delivers the highest muzzle velocity at 2,861 fps; across all powders the maximum-charge window runs from 1,670 fps to 2,861 fps. Accurate 2015 gives the best case fill at 100 %, and 32 of the 32 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 125.0 gr projectile in 0.308" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2460, Alliant AR-Comp 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, Norma 200, ADI AR 2207 rank at the top here: for .307 Win. with the .308 | 125gr | Barnes Solid 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.