Load Specifications
Load data in caliber .308 Marlin Express with .308 | 148gr | Hasler ARIETE bullet and 38 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon H322, Alliant Reloder-10x and SNPE Vectan SP 10.
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 1680 | <<locked>> | 82% | 42,279 psi | 88% | 2415 fps | 99.7% |
| Accurate 2015 | <<locked>> | 96% | 41,437 psi | 87% | 2484 fps | 99.2% |
| Accurate 2460 | <<locked>> | 94% | 42,496 psi | 89% | 2520 fps | 97% |
| Accurate 2495ᴾ | <<locked>> | 100% | 34,606 psi | 72% | 2441 fps | 98.4% |
| Accurate 2520 | <<locked>> | 98% | 42,235 psi | 88% | 2556 fps | 96.5% |
| Accurate LT-30 | <<locked>> | 86% | 40,930 psi | 86% | 2382 fps | 98% |
| Accurate LT-32 | <<locked>> | 86% | 41,394 psi | 86% | 2385 fps | 96.1% |
| ADI AR 2207 | <<locked>> | 86% | 42,482 psi | 89% | 2474 fps | 100% |
| ADI AR 2219 | <<locked>> | 90% | 43,134 psi | 90% | 2546 fps | 98.3% |
| Alliant AR-Comp | <<locked>> | 98% | 40,857 psi | 85% | 2552 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 92% | 42,308 psi | 88% | 2513 fps | 99.8% |
| Alliant Reloder-7 | <<locked>> | 84% | 41,394 psi | 86% | 2434 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 41,524 psi | 87% | 2415 fps | 98.3% |
| Hodgdon H322 | <<locked>> | 92% | 41,626 psi | 87% | 2520 fps | 98% |
| Hodgdon H335 | <<locked>> | 92% | 42,409 psi | 89% | 2536 fps | 97.2% |
| Hodgdon H4198 | <<locked>> | 84% | 42,598 psi | 89% | 2421 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,328 psi | 65% | 1545 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 41,452 psi | 87% | 2579 fps | 98.7% |
| IMR 4198 | <<locked>> | 90% | 42,322 psi | 88% | 2461 fps | 100% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 39,769 psi | 83% | 2523 fps | 95.9% |
| Norma 200 | <<locked>> | 88% | 42,366 psi | 89% | 2497 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 42,003 psi | 88% | 2536 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,256 psi | 65% | 1588 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 41,365 psi | 86% | 2490 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 96% | 40,915 psi | 85% | 2480 fps | 96.7% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 39,769 psi | 83% | 2523 fps | 95.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 43,134 psi | 90% | 2244 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 40,567 psi | 85% | 2497 fps | 96.7% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 40,886 psi | 85% | 2474 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 40,712 psi | 85% | 2415 fps | 96.6% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 36,811 psi | 77% | 2359 fps | 96.7% |
| Somchem S335 | <<locked>> | 98% | 41,611 psi | 87% | 2457 fps | 97.8% |
| Vihtavuori N120 | <<locked>> | 86% | 42,699 psi | 89% | 2434 fps | 100% |
| Vihtavuori N130 | <<locked>> | 92% | 40,814 psi | 85% | 2428 fps | 99.5% |
| Vihtavuori N133 | <<locked>> | 98% | 42,511 psi | 89% | 2467 fps | 99.2% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 37,115 psi | 78% | 2461 fps | 98.7% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 39,972 psi | 84% | 2470 fps | 97% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 38,421 psi | 80% | 2457 fps | 95.9% |
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 1680 | <<locked>> | 80% | 39,479 psi | 82% | 2365 fps | 99.4% |
| Accurate 2015 | <<locked>> | 82% | 26,281 psi | 55% | 2162 fps | 95% |
| Accurate 2460 | <<locked>> | 90% | 37,173 psi | 78% | 2425 fps | 95.6% |
| Accurate 2495 | <<locked>> | 92% | 26,165 psi | 55% | 2244 fps | 95.6% |
| Accurate 2520 | <<locked>> | 94% | 36,753 psi | 77% | 2454 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 33,808 psi | 71% | 2241 fps | 96.1% |
| Accurate LT-32 | <<locked>> | 84% | 38,943 psi | 81% | 2339 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 35,027 psi | 73% | 2343 fps | 100% |
| ADI AR 2219 | <<locked>> | 82% | 33,112 psi | 69% | 2346 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 80% | 23,163 psi | 48% | 2126 fps | 95.8% |
| Alliant Reloder-10x | 27.9 gr | 80% | 29,138 psi | 61% | 2244 fps | 97.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 36,579 psi | 76% | 2346 fps | 99.4% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 31,952 psi | 67% | 2231 fps | 95.8% |
| Hodgdon H322 | 31 gr | 84% | 32,285 psi | 67% | 2326 fps | 95.2% |
| Hodgdon H335 | <<locked>> | 88% | 36,999 psi | 77% | 2434 fps | 95.7% |
| Hodgdon H4198 | <<locked>> | 80% | 37,362 psi | 78% | 2323 fps | 96.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,887 psi | 48% | 1378 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 30,182 psi | 63% | 2333 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 31,531 psi | 66% | 2247 fps | 98.8% |
| Lovex D073.6 | <<locked>> | 98% | 37,275 psi | 78% | 2477 fps | 95.1% |
| Norma 200 | <<locked>> | 80% | 32,706 psi | 68% | 2313 fps | 99% |
| Norma 202 | <<locked>> | 94% | 34,577 psi | 72% | 2392 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,669 psi | 47% | 1411 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 38,899 psi | 81% | 2444 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 92% | 36,245 psi | 76% | 2388 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 98% | 37,275 psi | 78% | 2477 fps | 95.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 38,696 psi | 81% | 2178 fps | 100% |
| SNPE Vectan SP 10 | 33.1 gr | 84% | 35,331 psi | 74% | 2395 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 29,834 psi | 62% | 2241 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 35,897 psi | 75% | 2323 fps | 95.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 32,561 psi | 68% | 2270 fps | 95.2% |
| Somchem S335 | <<locked>> | 90% | 32,489 psi | 68% | 2280 fps | 95.2% |
| Vihtavuori N120 | <<locked>> | 80% | 35,273 psi | 74% | 2310 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 28,108 psi | 59% | 2165 fps | 96.7% |
| Vihtavuori N133 | <<locked>> | 84% | 27,673 psi | 58% | 2159 fps | 95.2% |
| Vihtavuori N135 | <<locked>> | 90% | 27,137 psi | 57% | 2231 fps | 95.4% |
| Vihtavuori N140 | <<locked>> | 96% | 35,114 psi | 73% | 2375 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 98% | 36,216 psi | 76% | 2411 fps | 95.2% |
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 38 powders for .308 Marlin Express loaded with the .308 | 148gr | Hasler ARIETE. IMR 3031 delivers the highest muzzle velocity at 2,579 fps; across all powders the maximum-charge window runs from 1,545 fps to 2,579 fps. Accurate 2495 gives the best case fill at 100 %, and 38 of the 38 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 65–90 %, leaving at least 10 % headroom. The 148.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Hodgdon TrailBoss, IMR 3031 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. Hodgdon H322, Alliant Reloder-10x, SNPE Vectan SP 10 rank at the top here: for .308 Marlin Express with the .308 | 148gr | Hasler ARIETE 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.