Load Specifications
Load data in caliber .308 Marlin Express with .308 | 150gr | Winchester Powerpoint bullet and 41 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are IMR 3031, Accurate 2520 and Alliant AR-Comp.
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>> | 92% | 43,163 psi | 90% | 2536 fps | 99.8% |
| Accurate 2460 | <<locked>> | 88% | 41,394 psi | 86% | 2526 fps | 97.7% |
| Accurate 2495ᴾ | <<locked>> | 100% | 43,091 psi | 90% | 2605 fps | 99.9% |
| Accurate 2520 | <<locked>> | 92% | 41,350 psi | 86% | 2566 fps | 97.4% |
| Accurate 4064ᴾ | <<locked>> | 100% | 40,059 psi | 84% | 2572 fps | 98.2% |
| Accurate LT-30 | <<locked>> | 82% | 40,959 psi | 86% | 2415 fps | 98.8% |
| Accurate LT-32 | <<locked>> | 82% | 41,336 psi | 86% | 2421 fps | 97.2% |
| ADI AR 2207 | <<locked>> | 82% | 43,192 psi | 90% | 2500 fps | 100% |
| ADI AR 2219 | <<locked>> | 84% | 41,075 psi | 86% | 2539 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 94% | 42,337 psi | 88% | 2605 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 86% | 41,321 psi | 86% | 2516 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 41,684 psi | 87% | 2451 fps | 99.1% |
| Hodgdon Benchmark | <<locked>> | 90% | 42,873 psi | 90% | 2503 fps | 96.4% |
| Hodgdon BL-C2 | <<locked>> | 94% | 42,177 psi | 88% | 2598 fps | 96.3% |
| Hodgdon H322 | <<locked>> | 88% | 42,714 psi | 89% | 2569 fps | 99% |
| Hodgdon H335 | <<locked>> | 86% | 40,480 psi | 85% | 2533 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,808 psi | 69% | 1601 fps | 100% |
| IMR 3031 | <<locked>> | 96% | 43,076 psi | 90% | 2638 fps | 99.6% |
| IMR 4198 | <<locked>> | 86% | 42,757 psi | 89% | 2493 fps | 100% |
| Lovex D073.4 | <<locked>> | 82% | 41,800 psi | 87% | 2536 fps | 97.2% |
| Lovex D073.5 | <<locked>> | 88% | 41,147 psi | 86% | 2523 fps | 96.4% |
| Lovex D073.6 | <<locked>> | 96% | 42,119 psi | 88% | 2592 fps | 97.5% |
| Norma 200 | <<locked>> | 82% | 41,220 psi | 86% | 2493 fps | 100% |
| Norma 202 | <<locked>> | 94% | 40,944 psi | 86% | 2543 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,547 psi | 68% | 1634 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 42,366 psi | 89% | 2539 fps | 97.1% |
| Rottweil R 901 | <<locked>> | 92% | 42,859 psi | 90% | 2539 fps | 98% |
| Shooters World AR Plus | <<locked>> | 82% | 41,800 psi | 87% | 2536 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 96% | 42,119 psi | 88% | 2592 fps | 97.5% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 41,481 psi | 87% | 2543 fps | 97.9% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 42,090 psi | 88% | 2523 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 41,771 psi | 87% | 2464 fps | 97.9% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 42,743 psi | 89% | 2500 fps | 98.9% |
| Somchem S321 | <<locked>> | 90% | 42,453 psi | 89% | 2566 fps | 96% |
| Somchem S335 | <<locked>> | 94% | 42,844 psi | 90% | 2507 fps | 98.8% |
| Vihtavuori N130 | <<locked>> | 88% | 41,785 psi | 87% | 2470 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 92% | 41,220 psi | 86% | 2470 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 98% | 41,524 psi | 87% | 2562 fps | 99.8% |
| Vihtavuori N140 | <<locked>> | 96% | 41,524 psi | 87% | 2530 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 98% | 42,511 psi | 89% | 2566 fps | 98% |
| Winchester 748 | <<locked>> | 92% | 40,640 psi | 85% | 2566 fps | 96.1% |
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% | 29,747 psi | 62% | 2264 fps | 97.4% |
| Accurate 2460 | <<locked>> | 82% | 33,823 psi | 71% | 2375 fps | 95.6% |
| Accurate 2495 | <<locked>> | 82% | 23,786 psi | 50% | 2178 fps | 95.4% |
| Accurate 2520 | 37.3 gr | 86% | 33,649 psi | 70% | 2411 fps | 95.1% |
| Accurate 4064 | <<locked>> | 92% | 31,082 psi | 65% | 2382 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 38,479 psi | 80% | 2369 fps | 98.3% |
| Accurate LT-32 | <<locked>> | 80% | 38,870 psi | 81% | 2372 fps | 96.5% |
| ADI AR 2207 | <<locked>> | 80% | 40,872 psi | 85% | 2461 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 35,926 psi | 75% | 2438 fps | 97.6% |
| Alliant AR-Comp | 31.8 gr | 80% | 27,137 psi | 57% | 2274 fps | 98.8% |
| Alliant Reloder-10x | <<locked>> | 80% | 34,113 psi | 71% | 2372 fps | 99.3% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 36,608 psi | 76% | 2356 fps | 98.2% |
| Hodgdon Benchmark | <<locked>> | 88% | 40,147 psi | 84% | 2451 fps | 95.6% |
| Hodgdon BL-C2 | <<locked>> | 92% | 39,349 psi | 82% | 2546 fps | 95.5% |
| Hodgdon H322 | <<locked>> | 80% | 32,982 psi | 69% | 2369 fps | 96.7% |
| Hodgdon H335 | <<locked>> | 80% | 33,199 psi | 69% | 2379 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,134 psi | 50% | 1427 fps | 100% |
| IMR 3031 | 32.6 gr | 82% | 27,731 psi | 58% | 2290 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 35,911 psi | 75% | 2365 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 80% | 38,943 psi | 81% | 2484 fps | 96.4% |
| Lovex D073.5 | <<locked>> | 86% | 38,682 psi | 81% | 2477 fps | 95.7% |
| Lovex D073.6 | <<locked>> | 90% | 34,200 psi | 71% | 2438 fps | 95.2% |
| Norma 200 | <<locked>> | 80% | 38,696 psi | 81% | 2448 fps | 100% |
| Norma 202 | <<locked>> | 86% | 31,908 psi | 67% | 2352 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,047 psi | 50% | 1460 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 37,188 psi | 78% | 2441 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 84% | 33,649 psi | 70% | 2352 fps | 95.5% |
| Shooters World AR Plus | <<locked>> | 80% | 38,943 psi | 81% | 2484 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 90% | 34,200 psi | 71% | 2438 fps | 95.2% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 36,419 psi | 76% | 2441 fps | 96.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 34,693 psi | 72% | 2379 fps | 98.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 32,677 psi | 68% | 2283 fps | 95.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 29,646 psi | 62% | 2231 fps | 95.4% |
| Somchem S321 | <<locked>> | 88% | 40,001 psi | 84% | 2520 fps | 95.3% |
| Somchem S335 | <<locked>> | 82% | 29,892 psi | 62% | 2241 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 32,808 psi | 69% | 2293 fps | 98.9% |
| Vihtavuori N133 | <<locked>> | 80% | 28,529 psi | 60% | 2205 fps | 96.7% |
| Vihtavuori N135 | <<locked>> | 82% | 25,295 psi | 53% | 2195 fps | 95.7% |
| Vihtavuori N140 | <<locked>> | 88% | 32,256 psi | 67% | 2339 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 90% | 32,895 psi | 69% | 2369 fps | 95.3% |
| Winchester 748 | <<locked>> | 90% | 38,247 psi | 80% | 2516 fps | 95.4% |
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 41 powders for .308 Marlin Express loaded with the .308 | 150gr | Winchester Powerpoint. IMR 3031 delivers the highest muzzle velocity at 2,638 fps; across all powders the maximum-charge window runs from 1,601 fps to 2,638 fps. Accurate 2495 gives the best case fill at 100 %, and 41 of the 41 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 68–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.308" calls for a 1:16.5 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, Hodgdon TrailBoss 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, Accurate 2520, Alliant AR-Comp rank at the top here: for .308 Marlin Express with the .308 | 150gr | Winchester Powerpoint 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.