Load Specifications
Load data in caliber .308 Marlin Express with .3085 | 180gr | Prvi Partizan SP bullet and 58 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are IMR 3031, Winchester 748 and Accurate 2520.
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>> | 88% | 40,959 psi | 86% | 2241 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 41,713 psi | 87% | 2280 fps | 98.9% |
| Accurate 2495 | <<locked>> | 96% | 41,075 psi | 86% | 2310 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 41,727 psi | 87% | 2320 fps | 98.7% |
| Accurate 4064 | <<locked>> | 98% | 41,060 psi | 86% | 2333 fps | 99.4% |
| Accurate LT-30 | <<locked>> | 82% | 43,120 psi | 90% | 2201 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 92% | 42,511 psi | 89% | 2316 fps | 95.9% |
| ADI AR 2219 | <<locked>> | 82% | 41,162 psi | 86% | 2287 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 90% | 42,598 psi | 89% | 2293 fps | 97.2% |
| Alliant AR-Comp | <<locked>> | 92% | 42,830 psi | 89% | 2343 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 42,801 psi | 89% | 2369 fps | 96.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 41,292 psi | 86% | 2326 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 84% | 41,379 psi | 86% | 2254 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 41,423 psi | 87% | 2198 fps | 99.7% |
| Bofors RP3ᴾ | <<locked>> | 100% | 43,105 psi | 90% | 2369 fps | 97.2% |
| Hodgdon Benchmark | <<locked>> | 88% | 42,670 psi | 89% | 2251 fps | 97.8% |
| Hodgdon BL-C2 | <<locked>> | 92% | 42,496 psi | 89% | 2352 fps | 97.9% |
| Hodgdon H322 | <<locked>> | 86% | 42,612 psi | 89% | 2310 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 84% | 40,611 psi | 85% | 2283 fps | 98.9% |
| Hodgdon H4895 | <<locked>> | 92% | 42,670 psi | 89% | 2329 fps | 96.6% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 40,988 psi | 86% | 2343 fps | 96.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,243 psi | 69% | 1424 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 41,597 psi | 87% | 2290 fps | 96.1% |
| IMR 3031 | <<locked>> | 92% | 40,901 psi | 85% | 2339 fps | 99.9% |
| IMR 4198 | <<locked>> | 84% | 43,091 psi | 90% | 2234 fps | 100% |
| IMR 4895 | <<locked>> | 96% | 43,308 psi | 90% | 2369 fps | 96.3% |
| IMR 8208 XBR | <<locked>> | 90% | 42,598 psi | 89% | 2293 fps | 97.2% |
| Lovex D073.5 | <<locked>> | 86% | 41,394 psi | 86% | 2277 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 94% | 42,757 psi | 89% | 2346 fps | 98.9% |
| Lovex S062 | <<locked>> | 96% | 41,959 psi | 88% | 2303 fps | 97.3% |
| Norma 201 | <<locked>> | 92% | 41,655 psi | 87% | 2280 fps | 97.1% |
| Norma 202 | <<locked>> | 92% | 41,553 psi | 87% | 2300 fps | 99.1% |
| Norma 203B | <<locked>> | 96% | 41,466 psi | 87% | 2326 fps | 95.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,141 psi | 69% | 1457 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 42,453 psi | 89% | 2290 fps | 98.5% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 42,308 psi | 88% | 2402 fps | 98.2% |
| Rottweil R 901 | <<locked>> | 90% | 43,076 psi | 90% | 2287 fps | 99.1% |
| Rottweil R 902 | <<locked>> | 94% | 41,785 psi | 87% | 2277 fps | 97.1% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 40,089 psi | 84% | 2310 fps | 96.1% |
| Shooters World Match Rifle | <<locked>> | 94% | 42,757 psi | 89% | 2346 fps | 98.9% |
| Shooters World Precision | <<locked>> | 96% | 41,959 psi | 88% | 2303 fps | 97.3% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 42,511 psi | 89% | 2254 fps | 96.8% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 41,655 psi | 87% | 2290 fps | 99% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 42,177 psi | 88% | 2260 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 41,655 psi | 87% | 2215 fps | 99% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 43,076 psi | 90% | 2254 fps | 99.7% |
| Somchem S321 | <<locked>> | 88% | 42,511 psi | 89% | 2316 fps | 97.6% |
| Somchem S335 | <<locked>> | 92% | 43,221 psi | 90% | 2260 fps | 99.6% |
| Somchem S355ᴾ | <<locked>> | 100% | 41,713 psi | 87% | 2320 fps | 96.3% |
| Vihtavuori N130 | <<locked>> | 86% | 42,003 psi | 88% | 2215 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 41,263 psi | 86% | 2221 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 42,409 psi | 89% | 2313 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 41,713 psi | 87% | 2280 fps | 99.3% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 40,147 psi | 84% | 2270 fps | 97.2% |
| Vihtavuori N530 | <<locked>> | 90% | 42,395 psi | 89% | 2287 fps | 97.3% |
| Vihtavuori N540 | <<locked>> | 96% | 42,670 psi | 89% | 2313 fps | 99.1% |
| Winchester 748 | <<locked>> | 90% | 40,930 psi | 86% | 2323 fps | 97.8% |
| Winchester StaBALL Match | <<locked>> | 94% | 42,728 psi | 89% | 2339 fps | 96.5% |
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% | 31,952 psi | 67% | 2080 fps | 99.1% |
| Accurate 2460 | <<locked>> | 80% | 34,040 psi | 71% | 2142 fps | 97.3% |
| Accurate 2495 | <<locked>> | 80% | 24,526 psi | 51% | 1978 fps | 97.5% |
| Accurate 2520 | 31.7 gr | 80% | 29,544 psi | 62% | 2087 fps | 95.3% |
| Accurate 4064 | <<locked>> | 84% | 26,295 psi | 55% | 2034 fps | 95.4% |
| Accurate LT-30 | <<locked>> | 80% | 40,654 psi | 85% | 2162 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 90% | 40,089 psi | 84% | 2274 fps | 95.2% |
| ADI AR 2219 | <<locked>> | 80% | 38,377 psi | 80% | 2238 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 84% | 35,288 psi | 74% | 2159 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 29,167 psi | 61% | 2093 fps | 99.9% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 37,565 psi | 78% | 2274 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 36,434 psi | 76% | 2238 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 36,651 psi | 77% | 2175 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 38,914 psi | 81% | 2159 fps | 99.5% |
| Bofors RP3 | <<locked>> | 94% | 35,578 psi | 74% | 2238 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 33,750 psi | 71% | 2087 fps | 95.3% |
| Hodgdon BL-C2 | <<locked>> | 84% | 32,532 psi | 68% | 2165 fps | 95% |
| Hodgdon H322 | <<locked>> | 80% | 35,259 psi | 74% | 2178 fps | 98.7% |
| Hodgdon H335 | <<locked>> | 80% | 35,505 psi | 74% | 2192 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 88% | 37,724 psi | 79% | 2238 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 38,435 psi | 80% | 2293 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,395 psi | 51% | 1266 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 39,320 psi | 82% | 2247 fps | 95.5% |
| IMR 3031 | 29.1 gr | 80% | 27,963 psi | 58% | 2073 fps | 97.4% |
| IMR 4198 | <<locked>> | 80% | 38,130 psi | 80% | 2156 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 40,828 psi | 85% | 2326 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 84% | 35,288 psi | 74% | 2159 fps | 95.1% |
| Lovex D073.5 | <<locked>> | 80% | 33,837 psi | 71% | 2139 fps | 95.9% |
| Lovex D073.6 | <<locked>> | 84% | 30,487 psi | 64% | 2119 fps | 95.7% |
| Lovex S062 | <<locked>> | 90% | 34,954 psi | 73% | 2175 fps | 95.3% |
| Norma 201 | <<locked>> | 86% | 34,722 psi | 73% | 2152 fps | 95.1% |
| Norma 202 | <<locked>> | 80% | 28,355 psi | 59% | 2037 fps | 95.6% |
| Norma 203B | <<locked>> | 94% | 39,102 psi | 82% | 2283 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,424 psi | 51% | 1299 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 34,983 psi | 73% | 2156 fps | 96.7% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 34,838 psi | 73% | 2247 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 32,053 psi | 67% | 2080 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 88% | 34,838 psi | 73% | 2149 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 98% | 37,739 psi | 79% | 2270 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 84% | 30,487 psi | 64% | 2119 fps | 95.7% |
| Shooters World Precision | <<locked>> | 90% | 34,954 psi | 73% | 2175 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 37,144 psi | 78% | 2162 fps | 95.3% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 38,957 psi | 81% | 2244 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 37,304 psi | 78% | 2182 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 30,850 psi | 64% | 2014 fps | 96.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 24,990 psi | 52% | 1896 fps | 95.1% |
| Somchem S321 | <<locked>> | 82% | 34,925 psi | 73% | 2178 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 30,197 psi | 63% | 2021 fps | 97.1% |
| Somchem S355 | <<locked>> | 98% | 39,334 psi | 82% | 2280 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 35,128 psi | 73% | 2100 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 80% | 30,603 psi | 64% | 2028 fps | 98.7% |
| Vihtavuori N135 | <<locked>> | 80% | 25,672 psi | 54% | 1988 fps | 97.6% |
| Vihtavuori N140 | <<locked>> | 80% | 27,006 psi | 56% | 1988 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 94% | 33,330 psi | 70% | 2142 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 84% | 35,186 psi | 74% | 2159 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 84% | 29,254 psi | 61% | 2057 fps | 95.7% |
| Winchester 748 | 33.1 gr | 84% | 33,634 psi | 70% | 2182 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 90% | 37,463 psi | 78% | 2244 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 58 powders for .308 Marlin Express loaded with the .3085 | 180gr | Prvi Partizan SP. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,402 fps; across all powders the maximum-charge window runs from 1,424 fps to 2,402 fps. Bofors RP3 gives the best case fill at 100 %, and 58 of the 58 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 69–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.3085" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Bofors RP3, 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. IMR 3031, Winchester 748, Accurate 2520 rank at the top here: for .308 Marlin Express with the .3085 | 180gr | Prvi Partizan SP 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.