Load Specifications
Load data in caliber 7.62 x 39 (.308) Russian with .308 | 125gr | Nosler AccuBond bullet and 12 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 36, Lovex S053 and Vihtavuori N110.
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% | 46,354 psi | 90% | 2218 fps | 98.6% |
| ADI AR 2205 | <<locked>> | 88% | 45,571 psi | 89% | 2142 fps | 99.6% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 39,813 psi | 77% | 2211 fps | 97.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 28,007 psi | 54% | 1378 fps | 100% |
| IMR 4227 | <<locked>> | 96% | 46,528 psi | 90% | 2224 fps | 97.4% |
| Lovex S053 | <<locked>> | 96% | 43,830 psi | 85% | 2195 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 27,006 psi | 52% | 1404 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 96% | 44,759 psi | 87% | 2234 fps | 96.8% |
| Shooters World SOCOM | <<locked>> | 88% | 45,774 psi | 89% | 2198 fps | 96.1% |
| SNPE Vectan BA6 1/2ᴾ | <<locked>> | 100% | 45,078 psi | 88% | 2119 fps | 100% |
| Vihtavuori N110 | <<locked>> | 90% | 44,309 psi | 86% | 2165 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 40,306 psi | 78% | 2188 fps | 98.4% |
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>> | 80% | 38,406 psi | 75% | 2096 fps | 97% |
| ADI AR 2205 | <<locked>> | 80% | 35,998 psi | 70% | 1995 fps | 98.1% |
| ADI AR 2207 | <<locked>> | 94% | 33,373 psi | 65% | 2093 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 20,059 psi | 39% | 1224 fps | 100% |
| IMR 4227 | <<locked>> | 90% | 38,856 psi | 75% | 2106 fps | 95.5% |
| Lovex S053 | 18.2 gr | 80% | 27,818 psi | 54% | 1903 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 19,812 psi | 38% | 1257 fps | 100% |
| ReloadSwiss RS 36 | 22.7 gr | 92% | 39,465 psi | 77% | 2152 fps | 95.4% |
| Shooters World SOCOM | <<locked>> | 86% | 43,004 psi | 84% | 2156 fps | 95.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 26,716 psi | 52% | 1824 fps | 99.9% |
| Vihtavuori N110 | 17.4 gr | 80% | 32,967 psi | 64% | 1988 fps | 100% |
| Vihtavuori N120 | <<locked>> | 90% | 29,878 psi | 58% | 1991 fps | 95.1% |
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 12 powders for 7.62 x 39 (.308) Russian loaded with the .308 | 125gr | Nosler AccuBond. ReloadSwiss RS 36 delivers the highest muzzle velocity at 2,234 fps; across all powders the maximum-charge window runs from 1,378 fps to 2,234 fps. ADI AR 2207 gives the best case fill at 100 %, and 12 of the 12 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 125.0 gr projectile in 0.308" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. ADI AR 2207, 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. ReloadSwiss RS 36, Lovex S053, Vihtavuori N110 rank at the top here: for 7.62 x 39 (.308) Russian with the .308 | 125gr | Nosler AccuBond 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.