Load Specifications
Load data in caliber 7.62 x 39 (.308) Russian with .310 | 108gr | Barnes MPG bullet and 11 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N110, Lovex S053 and ADI AR 2205.
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 No. 11 FS | <<locked>> | 86% | 43,526 psi | 85% | 2349 fps | 97% |
| ADI AR 2205 | <<locked>> | 90% | 46,195 psi | 90% | 2323 fps | 99% |
| Hodgdon LilGun | <<locked>> | 82% | 43,801 psi | 85% | 2418 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 26,992 psi | 52% | 1493 fps | 100% |
| IMR 4227 | <<locked>> | 98% | 46,514 psi | 90% | 2395 fps | 96% |
| Lovex S040 | <<locked>> | 82% | 44,628 psi | 87% | 2313 fps | 100% |
| Lovex S053ᴾ | <<locked>> | 100% | 46,470 psi | 90% | 2411 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 26,368 psi | 51% | 1526 fps | 100% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 42,366 psi | 82% | 2264 fps | 100% |
| Vihtavuori N110 | <<locked>> | 94% | 46,224 psi | 90% | 2375 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 37,768 psi | 73% | 2310 fps | 96.5% |
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 No. 11 FS | <<locked>> | 82% | 38,189 psi | 74% | 2257 fps | 95.5% |
| ADI AR 2205 | 20.3 gr | 80% | 33,939 psi | 66% | 2110 fps | 96.3% |
| Hodgdon LilGun | <<locked>> | 80% | 40,640 psi | 79% | 2369 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 19,609 psi | 38% | 1332 fps | 100% |
| IMR 4227 | <<locked>> | 96% | 43,787 psi | 85% | 2352 fps | 95.3% |
| Lovex S040 | <<locked>> | 80% | 42,424 psi | 82% | 2280 fps | 100% |
| Lovex S053 | 20.6 gr | 86% | 30,922 psi | 60% | 2129 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 18,942 psi | 37% | 1358 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 24,685 psi | 48% | 1929 fps | 99.1% |
| Vihtavuori N110 | 18.3 gr | 80% | 30,661 psi | 60% | 2110 fps | 99.3% |
| Vihtavuori N120 | <<locked>> | 96% | 33,576 psi | 65% | 2228 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 11 powders for 7.62 x 39 (.308) Russian loaded with the .310 | 108gr | Barnes MPG. Hodgdon LilGun delivers the highest muzzle velocity at 2,418 fps; across all powders the maximum-charge window runs from 1,493 fps to 2,418 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 11 of the 11 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 108.0 gr projectile in 0.31" calls for a 1:14.5 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, Lovex S053, 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 N110, Lovex S053, ADI AR 2205 rank at the top here: for 7.62 x 39 (.308) Russian with the .310 | 108gr | Barnes MPG 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.