Load Specifications
Load data in caliber .308 Marlin Express with .311 | 150gr | Speer Hot-Cor bullet and 42 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant AR-Comp, Lovex D073.6 and Shooters World Match Rifle.
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% | 42,656 psi | 89% | 2523 fps | 99.7% |
| Accurate 2460 | <<locked>> | 88% | 40,988 psi | 86% | 2513 fps | 97.5% |
| Accurate 2495ᴾ | <<locked>> | 100% | 42,656 psi | 89% | 2592 fps | 99.9% |
| Accurate 2520 | <<locked>> | 92% | 40,640 psi | 85% | 2549 fps | 97.1% |
| Accurate 4064ᴾ | <<locked>> | 100% | 39,639 psi | 83% | 2559 fps | 98.1% |
| Accurate LT-30 | <<locked>> | 84% | 43,033 psi | 90% | 2444 fps | 99% |
| Accurate LT-32 | <<locked>> | 82% | 40,857 psi | 85% | 2405 fps | 97% |
| ADI AR 2207 | <<locked>> | 82% | 42,917 psi | 90% | 2493 fps | 100% |
| ADI AR 2219 | <<locked>> | 86% | 43,308 psi | 90% | 2575 fps | 99% |
| Alliant AR-Comp | <<locked>> | 94% | 41,887 psi | 88% | 2592 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 86% | 40,741 psi | 85% | 2500 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 41,350 psi | 86% | 2438 fps | 99% |
| Hodgdon Benchmark | <<locked>> | 90% | 42,163 psi | 88% | 2484 fps | 96.1% |
| Hodgdon BL-C2 | <<locked>> | 94% | 41,524 psi | 87% | 2582 fps | 96% |
| Hodgdon H322 | <<locked>> | 88% | 41,945 psi | 88% | 2552 fps | 98.8% |
| Hodgdon H335 | <<locked>> | 88% | 42,612 psi | 89% | 2569 fps | 98.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,590 psi | 68% | 1591 fps | 100% |
| IMR 3031 | <<locked>> | 96% | 42,293 psi | 88% | 2621 fps | 99.5% |
| IMR 4198 | <<locked>> | 86% | 42,511 psi | 89% | 2487 fps | 100% |
| Lovex D073.4 | <<locked>> | 82% | 41,031 psi | 86% | 2516 fps | 96.9% |
| Lovex D073.5 | <<locked>> | 88% | 40,799 psi | 85% | 2510 fps | 96.2% |
| Lovex D073.6 | <<locked>> | 96% | 41,379 psi | 86% | 2575 fps | 97.3% |
| Norma 200 | <<locked>> | 82% | 40,640 psi | 85% | 2477 fps | 100% |
| Norma 202 | <<locked>> | 96% | 43,192 psi | 90% | 2579 fps | 98.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,648 psi | 68% | 1631 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 41,887 psi | 88% | 2526 fps | 96.9% |
| Rottweil R 901 | <<locked>> | 92% | 42,032 psi | 88% | 2520 fps | 97.8% |
| Shooters World AR Plus | <<locked>> | 82% | 41,031 psi | 86% | 2516 fps | 96.9% |
| Shooters World Match Rifle | <<locked>> | 96% | 41,379 psi | 86% | 2575 fps | 97.3% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 41,017 psi | 86% | 2530 fps | 97.7% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 41,582 psi | 87% | 2507 fps | 99.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 41,307 psi | 86% | 2451 fps | 97.7% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 42,409 psi | 89% | 2487 fps | 98.8% |
| Somchem S321 | <<locked>> | 90% | 42,148 psi | 88% | 2556 fps | 95.8% |
| Somchem S335 | <<locked>> | 94% | 42,453 psi | 89% | 2497 fps | 98.7% |
| Vihtavuori N120 | <<locked>> | 82% | 43,062 psi | 90% | 2451 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 41,278 psi | 86% | 2454 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 94% | 43,047 psi | 90% | 2497 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 98% | 41,075 psi | 86% | 2549 fps | 99.7% |
| Vihtavuori N140 | <<locked>> | 96% | 40,770 psi | 85% | 2510 fps | 98.1% |
| Vihtavuori N540 | <<locked>> | 98% | 41,843 psi | 87% | 2546 fps | 97.8% |
| Winchester 748 | <<locked>> | 94% | 42,859 psi | 90% | 2602 fps | 96.6% |
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% | 29,283 psi | 61% | 2247 fps | 97.1% |
| Accurate 2460 | <<locked>> | 82% | 33,359 psi | 70% | 2359 fps | 95.3% |
| Accurate 2495 | <<locked>> | 82% | 23,322 psi | 49% | 2162 fps | 95% |
| Accurate 2520 | <<locked>> | 88% | 35,433 psi | 74% | 2448 fps | 95.6% |
| Accurate 4064 | <<locked>> | 92% | 30,589 psi | 64% | 2365 fps | 95.3% |
| Accurate LT-30 | <<locked>> | 80% | 37,985 psi | 79% | 2352 fps | 98.1% |
| Accurate LT-32 | <<locked>> | 80% | 38,363 psi | 80% | 2359 fps | 96.3% |
| ADI AR 2207 | <<locked>> | 80% | 40,263 psi | 84% | 2448 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 35,520 psi | 74% | 2421 fps | 97.4% |
| Alliant AR-Comp | 31.5 gr | 80% | 26,963 psi | 56% | 2264 fps | 98.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 33,866 psi | 71% | 2362 fps | 99.2% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 36,245 psi | 76% | 2343 fps | 98% |
| Hodgdon Benchmark | <<locked>> | 88% | 39,711 psi | 83% | 2438 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 92% | 39,001 psi | 81% | 2533 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 32,532 psi | 68% | 2356 fps | 96.4% |
| Hodgdon H335 | <<locked>> | 80% | 32,808 psi | 69% | 2365 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,149 psi | 50% | 1424 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 27,354 psi | 57% | 2274 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 35,621 psi | 74% | 2356 fps | 99.8% |
| Lovex D073.4 | <<locked>> | 80% | 38,464 psi | 80% | 2467 fps | 96.2% |
| Lovex D073.5 | <<locked>> | 86% | 38,014 psi | 79% | 2457 fps | 95.4% |
| Lovex D073.6 | 37.7 gr | 90% | 33,779 psi | 71% | 2425 fps | 95% |
| Norma 200 | <<locked>> | 80% | 38,174 psi | 80% | 2434 fps | 99.9% |
| Norma 202 | <<locked>> | 88% | 33,547 psi | 70% | 2385 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,047 psi | 50% | 1457 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 36,753 psi | 77% | 2425 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 84% | 33,489 psi | 70% | 2343 fps | 95.3% |
| Shooters World AR Plus | <<locked>> | 80% | 38,464 psi | 80% | 2467 fps | 96.2% |
| Shooters World Match Rifle | 37.7 gr | 90% | 33,779 psi | 71% | 2425 fps | 95% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 35,984 psi | 75% | 2428 fps | 96.3% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 34,461 psi | 72% | 2369 fps | 97.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 32,285 psi | 67% | 2267 fps | 95% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 29,312 psi | 61% | 2218 fps | 95.1% |
| Somchem S321 | <<locked>> | 88% | 39,291 psi | 82% | 2500 fps | 95% |
| Somchem S335 | <<locked>> | 82% | 29,515 psi | 62% | 2224 fps | 95.1% |
| Vihtavuori N120 | <<locked>> | 80% | 40,350 psi | 84% | 2408 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 32,605 psi | 68% | 2283 fps | 98.8% |
| Vihtavuori N133 | <<locked>> | 80% | 28,340 psi | 59% | 2195 fps | 96.5% |
| Vihtavuori N135 | <<locked>> | 82% | 24,918 psi | 52% | 2178 fps | 95.4% |
| Vihtavuori N140 | <<locked>> | 88% | 31,879 psi | 67% | 2326 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 90% | 32,547 psi | 68% | 2356 fps | 95% |
| Winchester 748 | <<locked>> | 90% | 37,637 psi | 79% | 2500 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 42 powders for .308 Marlin Express loaded with the .311 | 150gr | Speer Hot-Cor. IMR 3031 delivers the highest muzzle velocity at 2,621 fps; across all powders the maximum-charge window runs from 1,591 fps to 2,621 fps. Accurate 2495 gives the best case fill at 100 %, and 42 of the 42 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 0.311" 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. Alliant AR-Comp, Lovex D073.6, Shooters World Match Rifle rank at the top here: for .308 Marlin Express with the .311 | 150gr | Speer Hot-Cor 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.