Load Specifications
Load data in caliber 7.62 x 39 (.308) Russian with .308 | 150gr | Swift A-Frame bullet and 17 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2207, Alliant Reloder-7 and ReloadSwiss RS 36.
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>> | 92% | 45,542 psi | 88% | 2034 fps | 96.8% |
| ADI AR 2205 | <<locked>> | 84% | 46,340 psi | 90% | 1978 fps | 100% |
| ADI AR 2207 | <<locked>> | 98% | 45,223 psi | 88% | 2110 fps | 99.7% |
| Alliant Reloder-7 | <<locked>> | 96% | 45,150 psi | 88% | 2070 fps | 97.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 29,443 psi | 57% | 1273 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 43,192 psi | 84% | 2047 fps | 97.4% |
| IMR 4227 | <<locked>> | 90% | 45,092 psi | 88% | 2031 fps | 99% |
| Lovex D060 | <<locked>> | 84% | 46,195 psi | 90% | 2057 fps | 97.9% |
| Lovex S053 | <<locked>> | 92% | 46,180 psi | 90% | 2044 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 44,860 psi | 87% | 2110 fps | 97.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,080 psi | 56% | 1302 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 44,092 psi | 86% | 2051 fps | 98.7% |
| Shooters World Buffalo Rifle | <<locked>> | 84% | 46,195 psi | 90% | 2057 fps | 97.9% |
| Shooters World SOCOM | <<locked>> | 84% | 46,470 psi | 90% | 2041 fps | 98.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 44,976 psi | 87% | 1926 fps | 100% |
| Vihtavuori N110 | <<locked>> | 86% | 45,992 psi | 89% | 1991 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 45,469 psi | 88% | 2083 fps | 100% |
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>> | 88% | 39,769 psi | 77% | 1952 fps | 95.3% |
| ADI AR 2205 | <<locked>> | 80% | 40,988 psi | 80% | 1906 fps | 99.9% |
| ADI AR 2207 | 19.8 gr | 82% | 27,905 psi | 54% | 1818 fps | 95.8% |
| Alliant Reloder-7 | 22 gr | 88% | 35,824 psi | 70% | 1926 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,683 psi | 42% | 1138 fps | 100% |
| IMR 4198 | <<locked>> | 94% | 36,564 psi | 71% | 1939 fps | 95.5% |
| IMR 4227 | <<locked>> | 80% | 33,634 psi | 65% | 1854 fps | 96.4% |
| Lovex D060 | <<locked>> | 80% | 41,423 psi | 80% | 1985 fps | 96.9% |
| Lovex S053 | <<locked>> | 80% | 32,677 psi | 63% | 1841 fps | 99% |
| Norma 200 | <<locked>> | 92% | 34,969 psi | 68% | 1959 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,132 psi | 41% | 1161 fps | 100% |
| ReloadSwiss RS 36 | 20.1 gr | 80% | 32,445 psi | 63% | 1864 fps | 95.8% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 41,423 psi | 80% | 1985 fps | 96.9% |
| Shooters World SOCOM | <<locked>> | 80% | 40,625 psi | 79% | 1959 fps | 97.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 30,806 psi | 60% | 1732 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 38,769 psi | 75% | 1896 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 26,585 psi | 52% | 1765 fps | 96.5% |
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 29 powders for 7.62 x 39 (.308) Russian loaded with the .308 | 150gr | Swift A-Frame. ADI AR 2207 delivers the highest muzzle velocity at 2,110 fps; across all powders the maximum-charge window runs from 1,273 fps to 2,110 fps. Accurate 2015 gives the best case fill at 100 %, and 29 of the 29 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.308" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, ADI AR 2219, 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 2207, Alliant Reloder-7, ReloadSwiss RS 36 rank at the top here: for 7.62 x 39 (.308) Russian with the .308 | 150gr | Swift A-Frame they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2015, Accurate LT-30, Accurate LT-32 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.