Load Specifications
Load data in caliber .308 Marlin Express with .308 | 180gr | Speer RN bullet and 63 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 BL-C2 and Hodgdon LEVERevolution.
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% | 43,018 psi | 90% | 2290 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 41,147 psi | 86% | 2290 fps | 99.1% |
| Accurate 2495 | <<locked>> | 94% | 40,886 psi | 85% | 2323 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 41,350 psi | 86% | 2333 fps | 98.9% |
| Accurate 4064 | <<locked>> | 96% | 40,814 psi | 85% | 2346 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 90% | 42,061 psi | 88% | 2333 fps | 96.2% |
| ADI AR 2219 | <<locked>> | 82% | 43,120 psi | 90% | 2336 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 88% | 41,901 psi | 88% | 2303 fps | 97.4% |
| Alliant AR-Comp | <<locked>> | 90% | 42,264 psi | 88% | 2352 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 42,018 psi | 88% | 2379 fps | 97% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 40,770 psi | 85% | 2339 fps | 97% |
| Alliant Reloder-10x | <<locked>> | 84% | 43,279 psi | 90% | 2300 fps | 100% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 41,292 psi | 86% | 2398 fps | 95.9% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 43,221 psi | 90% | 2247 fps | 99.9% |
| Bofors RP3 | <<locked>> | 98% | 42,801 psi | 89% | 2385 fps | 97.5% |
| Hodgdon Benchmark | <<locked>> | 86% | 42,003 psi | 88% | 2264 fps | 98% |
| Hodgdon BL-C2 | <<locked>> | 90% | 41,930 psi | 88% | 2362 fps | 98.1% |
| Hodgdon H322 | <<locked>> | 84% | 42,090 psi | 88% | 2320 fps | 99.8% |
| Hodgdon H335 | <<locked>> | 84% | 42,656 psi | 89% | 2336 fps | 99.4% |
| Hodgdon H4895 | <<locked>> | 90% | 42,250 psi | 88% | 2343 fps | 96.9% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 42,873 psi | 90% | 2398 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,533 psi | 70% | 1447 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 40,785 psi | 85% | 2300 fps | 96.3% |
| IMR 3031 | <<locked>> | 92% | 42,801 psi | 89% | 2388 fps | 100% |
| IMR 4198 | <<locked>> | 82% | 42,192 psi | 88% | 2241 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 42,757 psi | 89% | 2382 fps | 96.5% |
| IMR 8208 XBR | <<locked>> | 88% | 41,901 psi | 88% | 2303 fps | 97.4% |
| Lovex D073.5 | <<locked>> | 84% | 40,741 psi | 85% | 2287 fps | 98.1% |
| Lovex D073.6 | <<locked>> | 92% | 42,322 psi | 88% | 2359 fps | 99% |
| Lovex S060 | <<locked>> | 88% | 40,872 psi | 85% | 2238 fps | 95.8% |
| Lovex S062 | <<locked>> | 94% | 41,220 psi | 86% | 2310 fps | 97.4% |
| Norma 201 | <<locked>> | 90% | 41,017 psi | 86% | 2293 fps | 97.4% |
| Norma 202 | <<locked>> | 90% | 40,944 psi | 86% | 2310 fps | 99.2% |
| Norma 203B | <<locked>> | 94% | 40,973 psi | 86% | 2339 fps | 96% |
| Ramshot Wild Boar | <<locked>> | 90% | 43,308 psi | 90% | 2362 fps | 96.4% |
| Ramshot X-Terminator | <<locked>> | 86% | 43,178 psi | 90% | 2303 fps | 96.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,446 psi | 70% | 1480 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 41,452 psi | 87% | 2293 fps | 98.6% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 41,495 psi | 87% | 2418 fps | 98.5% |
| Rottweil R 901 | <<locked>> | 88% | 42,308 psi | 88% | 2293 fps | 99.2% |
| Rottweil R 902 | <<locked>> | 92% | 41,089 psi | 86% | 2283 fps | 97.3% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 42,685 psi | 89% | 2375 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 92% | 42,322 psi | 88% | 2359 fps | 99% |
| Shooters World Precision | <<locked>> | 94% | 41,220 psi | 86% | 2310 fps | 97.4% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 41,394 psi | 86% | 2260 fps | 96.9% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 42,554 psi | 89% | 2382 fps | 96% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 41,582 psi | 87% | 2274 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 42,902 psi | 90% | 2346 fps | 96.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 41,060 psi | 86% | 2228 fps | 99.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 42,467 psi | 89% | 2267 fps | 99.8% |
| Somchem S321 | <<locked>> | 86% | 42,061 psi | 88% | 2333 fps | 97.8% |
| Somchem S335 | <<locked>> | 90% | 42,511 psi | 89% | 2270 fps | 99.7% |
| Somchem S341 | <<locked>> | 90% | 41,901 psi | 88% | 2316 fps | 95.9% |
| Somchem S355 | <<locked>> | 98% | 41,495 psi | 87% | 2339 fps | 96.6% |
| Vihtavuori N130 | <<locked>> | 84% | 41,263 psi | 86% | 2224 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 43,134 psi | 90% | 2267 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 41,843 psi | 87% | 2323 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 41,278 psi | 86% | 2293 fps | 99.5% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 42,482 psi | 89% | 2329 fps | 98.1% |
| Vihtavuori N530 | <<locked>> | 88% | 41,945 psi | 88% | 2300 fps | 97.5% |
| Vihtavuori N540 | <<locked>> | 94% | 42,018 psi | 88% | 2326 fps | 99.3% |
| Winchester 748 | <<locked>> | 90% | 42,757 psi | 89% | 2379 fps | 98.5% |
| Winchester StaBALL Match | <<locked>> | 92% | 42,003 psi | 88% | 2349 fps | 96.8% |
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% | 33,591 psi | 70% | 2129 fps | 99.6% |
| Accurate 2460 | <<locked>> | 80% | 35,882 psi | 75% | 2198 fps | 98.1% |
| Accurate 2495 | <<locked>> | 80% | 25,846 psi | 54% | 2024 fps | 98.2% |
| Accurate 2520 | <<locked>> | 80% | 31,227 psi | 65% | 2142 fps | 96.4% |
| Accurate 4064 | <<locked>> | 82% | 26,223 psi | 55% | 2044 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 88% | 39,479 psi | 82% | 2287 fps | 95.4% |
| ADI AR 2219 | <<locked>> | 80% | 40,030 psi | 84% | 2287 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 34,664 psi | 72% | 2169 fps | 95.4% |
| Alliant AR-Comp | <<locked>> | 80% | 30,676 psi | 64% | 2142 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 36,811 psi | 77% | 2280 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 36,158 psi | 76% | 2251 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 38,247 psi | 80% | 2218 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 98% | 38,812 psi | 81% | 2349 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 40,437 psi | 84% | 2205 fps | 99.8% |
| Bofors RP3 | <<locked>> | 92% | 34,998 psi | 73% | 2247 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 34,867 psi | 73% | 2129 fps | 96.1% |
| Hodgdon BL-C2 | 34.4 gr | 82% | 31,923 psi | 67% | 2172 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 80% | 36,854 psi | 77% | 2228 fps | 99.2% |
| Hodgdon H335 | <<locked>> | 80% | 37,260 psi | 78% | 2244 fps | 98.6% |
| Hodgdon H4895 | <<locked>> | 86% | 37,275 psi | 78% | 2251 fps | 95.5% |
| Hodgdon LEVERevolution | 36.2 gr | 88% | 35,375 psi | 74% | 2254 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,700 psi | 52% | 1289 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 38,638 psi | 81% | 2257 fps | 95.7% |
| IMR 3031 | <<locked>> | 80% | 29,428 psi | 61% | 2126 fps | 98.3% |
| IMR 4198 | <<locked>> | 80% | 39,798 psi | 83% | 2201 fps | 100% |
| IMR 4895 | <<locked>> | 90% | 37,898 psi | 79% | 2293 fps | 95.1% |
| IMR 8208 XBR | <<locked>> | 82% | 34,664 psi | 72% | 2169 fps | 95.4% |
| Lovex D073.5 | <<locked>> | 80% | 35,549 psi | 74% | 2192 fps | 96.8% |
| Lovex D073.6 | <<locked>> | 80% | 28,181 psi | 59% | 2083 fps | 95.1% |
| Lovex S060 | <<locked>> | 86% | 38,725 psi | 81% | 2198 fps | 95.1% |
| Lovex S062 | <<locked>> | 88% | 34,330 psi | 72% | 2182 fps | 95.5% |
| Norma 201 | <<locked>> | 84% | 34,185 psi | 71% | 2162 fps | 95.4% |
| Norma 202 | <<locked>> | 80% | 29,805 psi | 62% | 2090 fps | 96.6% |
| Norma 203B | <<locked>> | 92% | 38,769 psi | 81% | 2300 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 88% | 40,364 psi | 84% | 2313 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 40,321 psi | 84% | 2254 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,729 psi | 52% | 1319 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 36,492 psi | 76% | 2205 fps | 97.5% |
| ReloadSwiss RS 60 | 37.2 gr | 90% | 32,184 psi | 67% | 2211 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 33,417 psi | 70% | 2126 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 86% | 34,505 psi | 72% | 2162 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 96% | 37,333 psi | 78% | 2280 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 28,181 psi | 59% | 2083 fps | 95.1% |
| Shooters World Precision | <<locked>> | 88% | 34,330 psi | 72% | 2182 fps | 95.5% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 38,798 psi | 81% | 2215 fps | 96.2% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 40,059 psi | 84% | 2336 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 38,885 psi | 81% | 2228 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 40,321 psi | 84% | 2300 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,097 psi | 67% | 2060 fps | 97.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 25,991 psi | 54% | 1942 fps | 96% |
| Somchem S321 | <<locked>> | 80% | 34,272 psi | 72% | 2185 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 31,357 psi | 66% | 2064 fps | 97.8% |
| Somchem S341 | <<locked>> | 88% | 39,015 psi | 82% | 2267 fps | 95% |
| Somchem S355 | <<locked>> | 94% | 36,477 psi | 76% | 2247 fps | 95.2% |
| Vihtavuori N130 | <<locked>> | 80% | 36,550 psi | 76% | 2142 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 31,923 psi | 67% | 2070 fps | 99.2% |
| Vihtavuori N135 | <<locked>> | 80% | 26,919 psi | 56% | 2034 fps | 98.4% |
| Vihtavuori N140 | <<locked>> | 80% | 28,282 psi | 59% | 2037 fps | 96.3% |
| Vihtavuori N150 | <<locked>> | 92% | 33,011 psi | 69% | 2159 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 82% | 34,490 psi | 72% | 2162 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 27,035 psi | 56% | 2021 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 30,951 psi | 65% | 2142 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 88% | 37,028 psi | 77% | 2257 fps | 95.3% |
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 63 powders for .308 Marlin Express loaded with the .308 | 180gr | Speer RN. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,418 fps; across all powders the maximum-charge window runs from 1,447 fps to 2,418 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 63 of the 63 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 180.0 gr projectile in 0.308" calls for a 1:16.0 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 BL-C2, Hodgdon LEVERevolution rank at the top here: for .308 Marlin Express with the .308 | 180gr | Speer RN 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.