
Load Specifications
Load data in caliber .308 Marlin Express with .31 | 200gr | Lapua D166 bullet and 68 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Hodgdon LEVERevolution and Norma 203B.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 41,597 psi | 87% | 2119 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 41,989 psi | 88% | 2159 fps | 99.6% |
| Accurate 2495 | <<locked>> | 94% | 42,235 psi | 88% | 2192 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 42,337 psi | 88% | 2201 fps | 99.5% |
| Accurate 4064 | <<locked>> | 96% | 42,366 psi | 89% | 2221 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 90% | 43,018 psi | 90% | 2201 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 94% | 41,466 psi | 87% | 2159 fps | 96% |
| ADI Benchmark 8208 | <<locked>> | 88% | 42,989 psi | 90% | 2175 fps | 98.3% |
| Alliant AR-Comp | <<locked>> | 88% | 40,799 psi | 85% | 2175 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 43,265 psi | 90% | 2247 fps | 98% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 41,829 psi | 87% | 2211 fps | 98% |
| Alliant Reloder-10x | <<locked>> | 82% | 41,713 psi | 87% | 2126 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 43,207 psi | 90% | 2228 fps | 96.8% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 42,380 psi | 89% | 2277 fps | 97.2% |
| Bofors RP3 | <<locked>> | 96% | 41,394 psi | 86% | 2218 fps | 98% |
| Hodgdon Benchmark | <<locked>> | 86% | 42,743 psi | 89% | 2133 fps | 98.7% |
| Hodgdon BL-C2 | <<locked>> | 90% | 43,149 psi | 90% | 2234 fps | 98.9% |
| Hodgdon CFE223 | <<locked>> | 86% | 41,814 psi | 87% | 2247 fps | 96.3% |
| Hodgdon H322 | <<locked>> | 84% | 43,221 psi | 90% | 2188 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 40,727 psi | 85% | 2159 fps | 99.6% |
| Hodgdon H4895 | <<locked>> | 90% | 43,236 psi | 90% | 2211 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 41,394 psi | 86% | 2228 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,533 psi | 70% | 1345 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 42,003 psi | 88% | 2175 fps | 97.5% |
| IMR 3031 | <<locked>> | 90% | 41,524 psi | 87% | 2215 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 40,640 psi | 85% | 2139 fps | 96.1% |
| IMR 4198 | <<locked>> | 82% | 43,004 psi | 90% | 2100 fps | 100% |
| IMR 4895 | <<locked>> | 92% | 41,263 psi | 86% | 2208 fps | 97% |
| IMR 8208 XBR | <<locked>> | 88% | 42,989 psi | 90% | 2175 fps | 98.3% |
| Lovex D073.5 | <<locked>> | 84% | 42,047 psi | 88% | 2162 fps | 98.9% |
| Lovex D073.6 | <<locked>> | 90% | 40,567 psi | 85% | 2185 fps | 99.2% |
| Lovex S060 | <<locked>> | 88% | 41,974 psi | 88% | 2116 fps | 96.9% |
| Lovex S062 | <<locked>> | 94% | 42,322 psi | 88% | 2185 fps | 98.3% |
| Norma 201 | <<locked>> | 90% | 42,148 psi | 88% | 2165 fps | 98.3% |
| Norma 202 | <<locked>> | 90% | 42,148 psi | 88% | 2182 fps | 99.7% |
| Norma 203B | <<locked>> | 94% | 42,308 psi | 88% | 2218 fps | 97.2% |
| Ramshot Big Game | <<locked>> | 94% | 42,221 psi | 88% | 2228 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 88% | 41,611 psi | 87% | 2192 fps | 96.8% |
| Ramshot X-Terminator | <<locked>> | 84% | 41,423 psi | 87% | 2133 fps | 96.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,895 psi | 71% | 1381 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 42,685 psi | 89% | 2169 fps | 99.2% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 42,264 psi | 88% | 2267 fps | 96.5% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 42,438 psi | 89% | 2290 fps | 99.3% |
| Rottweil R 901 | <<locked>> | 86% | 40,915 psi | 85% | 2126 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 92% | 42,279 psi | 88% | 2162 fps | 98.3% |
| Rottweil R 903 | <<locked>> | 98% | 41,292 psi | 86% | 2208 fps | 97.6% |
| Shooters World Match Rifle | <<locked>> | 90% | 40,567 psi | 85% | 2185 fps | 99.2% |
| Shooters World Precision | <<locked>> | 94% | 42,322 psi | 88% | 2185 fps | 98.3% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 42,380 psi | 89% | 2133 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 41,002 psi | 86% | 2215 fps | 96.5% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 42,482 psi | 89% | 2136 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 41,495 psi | 87% | 2178 fps | 96.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 42,032 psi | 88% | 2100 fps | 99.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 40,886 psi | 85% | 2100 fps | 99.9% |
| Somchem S321 | <<locked>> | 86% | 42,873 psi | 90% | 2198 fps | 98.6% |
| Somchem S335 | <<locked>> | 88% | 41,147 psi | 86% | 2106 fps | 99.9% |
| Somchem S341 | <<locked>> | 90% | 42,743 psi | 89% | 2188 fps | 96.9% |
| Somchem S355 | <<locked>> | 98% | 42,699 psi | 89% | 2215 fps | 97.7% |
| Vihtavuori N130 | <<locked>> | 84% | 42,221 psi | 88% | 2090 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 41,771 psi | 87% | 2100 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 43,221 psi | 90% | 2192 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 42,308 psi | 88% | 2165 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 98% | 41,031 psi | 86% | 2165 fps | 98.5% |
| Vihtavuori N530 | <<locked>> | 88% | 42,830 psi | 89% | 2172 fps | 98.4% |
| Vihtavuori N540 | <<locked>> | 94% | 43,163 psi | 90% | 2195 fps | 99.7% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 40,335 psi | 84% | 2146 fps | 96.5% |
| Winchester 748 | <<locked>> | 88% | 41,249 psi | 86% | 2205 fps | 98.8% |
| Winchester StaBALL Match | <<locked>> | 92% | 43,207 psi | 90% | 2224 fps | 97.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 34,287 psi | 72% | 2005 fps | 99.9% |
| Accurate 2460 | <<locked>> | 80% | 36,869 psi | 77% | 2077 fps | 98.9% |
| Accurate 2495 | <<locked>> | 80% | 26,890 psi | 56% | 1923 fps | 99.1% |
| Accurate 2520 | <<locked>> | 80% | 32,271 psi | 67% | 2028 fps | 97.6% |
| Accurate 4064 | <<locked>> | 80% | 25,527 psi | 53% | 1900 fps | 96.4% |
| ADI AR 2206H | <<locked>> | 84% | 35,766 psi | 75% | 2077 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 92% | 38,812 psi | 81% | 2113 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 33,402 psi | 70% | 2008 fps | 95.9% |
| Alliant AR-Comp | <<locked>> | 80% | 31,691 psi | 66% | 2028 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 37,913 psi | 79% | 2156 fps | 96.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 32,663 psi | 68% | 2047 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 39,204 psi | 82% | 2087 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 38,029 psi | 79% | 2142 fps | 95.4% |
| Alliant Reloder-17 | <<locked>> | 96% | 37,478 psi | 78% | 2188 fps | 95.7% |
| Bofors RP3 | <<locked>> | 88% | 31,705 psi | 66% | 2044 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 35,897 psi | 75% | 2014 fps | 97.3% |
| Hodgdon BL-C2 | <<locked>> | 80% | 30,647 psi | 64% | 2008 fps | 95.7% |
| Hodgdon CFE223 | <<locked>> | 84% | 39,175 psi | 82% | 2201 fps | 95.5% |
| Hodgdon H322 | <<locked>> | 80% | 37,869 psi | 79% | 2103 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 80% | 38,072 psi | 80% | 2116 fps | 99.2% |
| Hodgdon H4895 | <<locked>> | 82% | 33,837 psi | 71% | 2047 fps | 95.3% |
| Hodgdon LEVERevolution | 33.1 gr | 86% | 34,011 psi | 71% | 2090 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,787 psi | 52% | 1198 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 34,940 psi | 73% | 2051 fps | 95.5% |
| IMR 3031 | <<locked>> | 80% | 30,139 psi | 63% | 2011 fps | 99.1% |
| IMR 4064 | <<locked>> | 90% | 38,319 psi | 80% | 2100 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 40,770 psi | 85% | 2070 fps | 100% |
| IMR 4895 | <<locked>> | 88% | 36,593 psi | 76% | 2126 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 80% | 33,402 psi | 70% | 2008 fps | 95.9% |
| Lovex D073.5 | <<locked>> | 80% | 36,709 psi | 77% | 2077 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 80% | 28,993 psi | 61% | 1972 fps | 96.4% |
| Lovex S060 | <<locked>> | 84% | 37,376 psi | 78% | 2041 fps | 95.6% |
| Lovex S062 | <<locked>> | 84% | 31,430 psi | 66% | 1988 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 31,067 psi | 65% | 1962 fps | 95.2% |
| Norma 202 | <<locked>> | 80% | 30,632 psi | 64% | 1975 fps | 97.7% |
| Norma 203B | 32.5 gr | 88% | 35,099 psi | 73% | 2090 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 90% | 37,347 psi | 78% | 2142 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 84% | 36,448 psi | 76% | 2100 fps | 95.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 36,361 psi | 76% | 2044 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,874 psi | 52% | 1227 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 37,565 psi | 78% | 2083 fps | 98.4% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 39,436 psi | 82% | 2218 fps | 95.7% |
| ReloadSwiss RS 60 | 34.1 gr | 88% | 31,096 psi | 65% | 2060 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 34,316 psi | 72% | 2011 fps | 98.3% |
| Rottweil R 902 | <<locked>> | 82% | 31,415 psi | 66% | 1965 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 92% | 33,939 psi | 71% | 2080 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 28,993 psi | 61% | 1972 fps | 96.4% |
| Shooters World Precision | <<locked>> | 84% | 31,430 psi | 66% | 1988 fps | 95.4% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 39,610 psi | 83% | 2090 fps | 97.2% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 36,289 psi | 76% | 2129 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 39,943 psi | 83% | 2100 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 36,608 psi | 76% | 2093 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,895 psi | 69% | 1946 fps | 98.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 26,629 psi | 56% | 1837 fps | 97.2% |
| Somchem S321 | <<locked>> | 80% | 35,360 psi | 74% | 2070 fps | 96.9% |
| Somchem S335 | <<locked>> | 80% | 32,314 psi | 68% | 1952 fps | 98.7% |
| Somchem S341 | <<locked>> | 86% | 37,420 psi | 78% | 2100 fps | 95.5% |
| Somchem S355 | <<locked>> | 90% | 33,344 psi | 70% | 2051 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 37,434 psi | 78% | 2018 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 32,750 psi | 68% | 1952 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 80% | 27,731 psi | 58% | 1926 fps | 99.2% |
| Vihtavuori N140 | <<locked>> | 80% | 29,022 psi | 61% | 1926 fps | 97.5% |
| Vihtavuori N150 | <<locked>> | 88% | 29,820 psi | 62% | 1959 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 33,025 psi | 69% | 2001 fps | 95.9% |
| Vihtavuori N540 | <<locked>> | 80% | 27,891 psi | 58% | 1916 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 37,840 psi | 79% | 2103 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 31,778 psi | 66% | 2028 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 84% | 33,344 psi | 70% | 2051 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 68 powders for .308 Marlin Express loaded with the .31 | 200gr | Lapua D166. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,290 fps; across all powders the maximum-charge window runs from 1,345 fps to 2,290 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 68 of the 68 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 70–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.308" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-17, 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 60, Hodgdon LEVERevolution, Norma 203B rank at the top here: for .308 Marlin Express with the .31 | 200gr | Lapua D166 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.