Load Specifications
Load data in caliber 7.62 x 39 (.308) Russian with .311 | 150gr | Norma Semi Soft Point bullet and 18 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2207, ReloadSwiss RS 36 and Vihtavuori N120.
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% | 46,180 psi | 90% | 2054 fps | 97.1% |
| ADI AR 2205 | <<locked>> | 82% | 44,585 psi | 87% | 1965 fps | 100% |
| ADI AR 2207 | <<locked>> | 98% | 46,267 psi | 90% | 2133 fps | 99.8% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 40,770 psi | 79% | 2067 fps | 96.2% |
| Alliant Reloder-7 | <<locked>> | 96% | 46,586 psi | 90% | 2100 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 29,646 psi | 58% | 1280 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 44,077 psi | 86% | 2070 fps | 97.8% |
| IMR 4227 | <<locked>> | 90% | 46,137 psi | 90% | 2054 fps | 99.2% |
| Lovex D060 | <<locked>> | 82% | 44,512 psi | 86% | 2044 fps | 97.7% |
| Lovex S053 | <<locked>> | 90% | 44,614 psi | 87% | 2031 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 46,296 psi | 90% | 2139 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,269 psi | 57% | 1312 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 45,049 psi | 87% | 2073 fps | 99% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 44,512 psi | 86% | 2044 fps | 97.7% |
| Shooters World SOCOM | <<locked>> | 82% | 44,150 psi | 86% | 2018 fps | 98.3% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 45,542 psi | 88% | 1939 fps | 100% |
| Vihtavuori N110 | <<locked>> | 84% | 44,454 psi | 86% | 1978 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 46,499 psi | 90% | 2103 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% | 40,524 psi | 79% | 1972 fps | 95.8% |
| ADI AR 2205 | <<locked>> | 80% | 42,047 psi | 82% | 1929 fps | 100% |
| ADI AR 2207 | 19.7 gr | 80% | 26,745 psi | 52% | 1798 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 98% | 38,305 psi | 74% | 2031 fps | 95.4% |
| Alliant Reloder-7 | <<locked>> | 88% | 36,260 psi | 70% | 1942 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,582 psi | 42% | 1142 fps | 100% |
| IMR 4198 | <<locked>> | 92% | 35,201 psi | 68% | 1926 fps | 95.2% |
| IMR 4227 | <<locked>> | 80% | 34,214 psi | 66% | 1870 fps | 96.8% |
| Lovex D060 | <<locked>> | 80% | 41,945 psi | 81% | 2005 fps | 97.2% |
| Lovex S053 | <<locked>> | 80% | 33,301 psi | 65% | 1857 fps | 99.2% |
| Norma 200 | <<locked>> | 92% | 35,897 psi | 70% | 1982 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,089 psi | 41% | 1165 fps | 100% |
| ReloadSwiss RS 36 | 20.5 gr | 80% | 32,967 psi | 64% | 1880 fps | 96.2% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 41,945 psi | 81% | 2005 fps | 97.2% |
| Shooters World SOCOM | <<locked>> | 80% | 41,495 psi | 81% | 1982 fps | 97.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 31,531 psi | 61% | 1749 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 39,508 psi | 77% | 1916 fps | 100% |
| Vihtavuori N120 | 19.7 gr | 80% | 27,050 psi | 53% | 1785 fps | 96.9% |
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 18 powders for 7.62 x 39 (.308) Russian loaded with the .311 | 150gr | Norma Semi Soft Point. Norma 200 delivers the highest muzzle velocity at 2,139 fps; across all powders the maximum-charge window runs from 1,280 fps to 2,139 fps. Alliant Reloder-10x gives the best case fill at 100 %, and 18 of the 18 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.311" calls for a 1:17.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-10x, Hodgdon TrailBoss, IMR 4198 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, ReloadSwiss RS 36, Vihtavuori N120 rank at the top here: for 7.62 x 39 (.308) Russian with the .311 | 150gr | Norma Semi Soft Point 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.