Load Specifications
Load data in caliber .308 Marlin Express with .311 | 174gr | Sierra MatchKing bullet and 56 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 Hodgdon BL-C2.
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>> | 90% | 41,989 psi | 88% | 2297 fps | 100% |
| Accurate 2460 | <<locked>> | 88% | 43,018 psi | 90% | 2339 fps | 98.9% |
| Accurate 2495 | <<locked>> | 98% | 42,264 psi | 88% | 2369 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 43,004 psi | 90% | 2379 fps | 98.6% |
| Accurate 4064ᴾ | <<locked>> | 100% | 41,858 psi | 87% | 2385 fps | 99.3% |
| Accurate LT-30 | <<locked>> | 82% | 42,264 psi | 88% | 2224 fps | 99.5% |
| Accurate LT-32 | <<locked>> | 82% | 42,641 psi | 89% | 2234 fps | 98.4% |
| ADI AR 2219 | <<locked>> | 84% | 42,583 psi | 89% | 2349 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 90% | 41,234 psi | 86% | 2306 fps | 96.5% |
| Alliant AR-Comp | <<locked>> | 92% | 41,220 psi | 86% | 2359 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 41,205 psi | 86% | 2382 fps | 96% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 42,177 psi | 88% | 2379 fps | 96.5% |
| Alliant Reloder-10x | <<locked>> | 86% | 42,873 psi | 90% | 2316 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 42,786 psi | 89% | 2257 fps | 99.7% |
| Bofors RP3ᴾ | <<locked>> | 100% | 41,771 psi | 87% | 2385 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 88% | 41,408 psi | 87% | 2267 fps | 97.1% |
| Hodgdon BL-C2 | <<locked>> | 92% | 40,901 psi | 85% | 2362 fps | 97.1% |
| Hodgdon H322 | <<locked>> | 86% | 41,495 psi | 87% | 2329 fps | 99.4% |
| Hodgdon H335 | <<locked>> | 86% | 41,887 psi | 88% | 2343 fps | 98.9% |
| Hodgdon H4895 | <<locked>> | 92% | 41,539 psi | 87% | 2346 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 42,250 psi | 88% | 2398 fps | 96.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,141 psi | 69% | 1447 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 43,047 psi | 90% | 2349 fps | 96% |
| IMR 3031 | <<locked>> | 94% | 41,843 psi | 87% | 2395 fps | 99.9% |
| IMR 4198 | <<locked>> | 84% | 41,800 psi | 87% | 2257 fps | 100% |
| IMR 8208 XBR | <<locked>> | 90% | 41,234 psi | 86% | 2306 fps | 96.5% |
| Lovex D073.4 | <<locked>> | 82% | 43,221 psi | 90% | 2343 fps | 98.4% |
| Lovex D073.5 | <<locked>> | 88% | 43,033 psi | 90% | 2343 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 94% | 41,046 psi | 86% | 2359 fps | 98.2% |
| Lovex S062 | <<locked>> | 98% | 42,917 psi | 90% | 2356 fps | 97% |
| Norma 200 | <<locked>> | 82% | 42,670 psi | 89% | 2293 fps | 100% |
| Norma 201 | <<locked>> | 94% | 42,670 psi | 89% | 2336 fps | 96.9% |
| Norma 202 | <<locked>> | 94% | 42,525 psi | 89% | 2356 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,982 psi | 69% | 1480 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 41,031 psi | 86% | 2303 fps | 97.8% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 40,915 psi | 85% | 2408 fps | 97.3% |
| Rottweil R 901 | <<locked>> | 90% | 41,669 psi | 87% | 2303 fps | 98.6% |
| Rottweil R 902 | <<locked>> | 96% | 43,149 psi | 90% | 2336 fps | 97% |
| Shooters World AR Plus | <<locked>> | 82% | 43,221 psi | 90% | 2343 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 94% | 41,046 psi | 86% | 2359 fps | 98.2% |
| Shooters World Precision | <<locked>> | 98% | 42,917 psi | 90% | 2356 fps | 97% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 41,118 psi | 86% | 2267 fps | 95.9% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 42,946 psi | 90% | 2352 fps | 98.9% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 40,756 psi | 85% | 2280 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 43,207 psi | 90% | 2277 fps | 98.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 41,582 psi | 87% | 2270 fps | 99.4% |
| Somchem S321 | <<locked>> | 88% | 41,423 psi | 87% | 2336 fps | 96.9% |
| Somchem S335 | <<locked>> | 92% | 41,814 psi | 87% | 2277 fps | 99.3% |
| Vihtavuori N130 | <<locked>> | 86% | 40,640 psi | 85% | 2234 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 42,714 psi | 89% | 2280 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 40,727 psi | 85% | 2329 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 43,062 psi | 90% | 2339 fps | 99.2% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 38,740 psi | 81% | 2280 fps | 96.4% |
| Vihtavuori N530 | <<locked>> | 90% | 41,350 psi | 86% | 2306 fps | 96.6% |
| Vihtavuori N540 | <<locked>> | 96% | 41,205 psi | 86% | 2329 fps | 98.6% |
| Winchester 748 | <<locked>> | 92% | 42,206 psi | 88% | 2382 fps | 97.7% |
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% | 30,792 psi | 64% | 2090 fps | 98.6% |
| Accurate 2460 | <<locked>> | 80% | 32,808 psi | 69% | 2156 fps | 96.5% |
| Accurate 2495 | <<locked>> | 80% | 23,395 psi | 49% | 1985 fps | 96.5% |
| Accurate 2520 | <<locked>> | 82% | 30,647 psi | 64% | 2146 fps | 95.3% |
| Accurate 4064 | <<locked>> | 86% | 26,919 psi | 56% | 2083 fps | 95.2% |
| Accurate LT-30 | <<locked>> | 80% | 39,537 psi | 83% | 2178 fps | 99.2% |
| Accurate LT-32 | <<locked>> | 80% | 39,856 psi | 83% | 2185 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 80% | 37,115 psi | 78% | 2251 fps | 98.8% |
| ADI Benchmark 8208 | <<locked>> | 86% | 36,434 psi | 76% | 2218 fps | 95% |
| Alliant AR-Comp | <<locked>> | 80% | 28,384 psi | 59% | 2110 fps | 99.7% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 38,450 psi | 80% | 2329 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 37,565 psi | 78% | 2293 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 35,389 psi | 74% | 2188 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 37,724 psi | 79% | 2172 fps | 99.1% |
| Bofors RP3 | <<locked>> | 98% | 38,899 psi | 81% | 2336 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 82% | 34,635 psi | 72% | 2139 fps | 95.1% |
| Hodgdon BL-C2 | 35.2 gr | 88% | 35,752 psi | 75% | 2267 fps | 95.7% |
| Hodgdon H322 | <<locked>> | 80% | 34,040 psi | 71% | 2192 fps | 98.1% |
| Hodgdon H335 | <<locked>> | 80% | 34,301 psi | 72% | 2201 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 90% | 38,885 psi | 81% | 2297 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 39,624 psi | 83% | 2349 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,294 psi | 51% | 1289 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 40,306 psi | 84% | 2303 fps | 95.2% |
| IMR 3031 | 29 gr | 80% | 26,992 psi | 56% | 2080 fps | 96.5% |
| IMR 4198 | <<locked>> | 80% | 36,970 psi | 77% | 2175 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 36,434 psi | 76% | 2218 fps | 95% |
| Lovex D073.4 | <<locked>> | 80% | 40,364 psi | 84% | 2297 fps | 97.9% |
| Lovex D073.5 | <<locked>> | 82% | 34,882 psi | 73% | 2195 fps | 95.8% |
| Lovex D073.6 | <<locked>> | 86% | 31,357 psi | 66% | 2175 fps | 95.5% |
| Lovex S062 | <<locked>> | 92% | 35,723 psi | 75% | 2224 fps | 95% |
| Norma 200 | <<locked>> | 80% | 40,161 psi | 84% | 2254 fps | 100% |
| Norma 201 | <<locked>> | 90% | 37,985 psi | 79% | 2251 fps | 95.7% |
| Norma 202 | <<locked>> | 82% | 29,254 psi | 61% | 2093 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,294 psi | 51% | 1319 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 33,837 psi | 71% | 2165 fps | 95.9% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 35,955 psi | 75% | 2303 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 30,980 psi | 65% | 2090 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 90% | 35,897 psi | 75% | 2205 fps | 95% |
| Shooters World AR Plus | <<locked>> | 80% | 40,364 psi | 84% | 2297 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 86% | 31,357 psi | 66% | 2175 fps | 95.5% |
| Shooters World Precision | <<locked>> | 92% | 35,723 psi | 75% | 2224 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 38,464 psi | 80% | 2221 fps | 95.2% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 37,681 psi | 79% | 2257 fps | 98% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 36,042 psi | 75% | 2195 fps | 99.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 29,849 psi | 62% | 2024 fps | 95.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 27,209 psi | 57% | 1985 fps | 95.6% |
| Somchem S321 | <<locked>> | 84% | 35,955 psi | 75% | 2238 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 29,138 psi | 61% | 2031 fps | 96.3% |
| Vihtavuori N130 | <<locked>> | 80% | 34,011 psi | 71% | 2116 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 80% | 29,588 psi | 62% | 2037 fps | 98.1% |
| Vihtavuori N135 | <<locked>> | 80% | 24,729 psi | 52% | 1995 fps | 96.8% |
| Vihtavuori N140 | <<locked>> | 82% | 27,891 psi | 58% | 2041 fps | 95.2% |
| Vihtavuori N150 | <<locked>> | 96% | 34,389 psi | 72% | 2198 fps | 95% |
| Vihtavuori N530 | <<locked>> | 86% | 36,390 psi | 76% | 2215 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 86% | 30,168 psi | 63% | 2113 fps | 95.5% |
| Winchester 748 | 33.8 gr | 86% | 34,693 psi | 72% | 2238 fps | 95.5% |
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 56 powders for .308 Marlin Express loaded with the .311 | 174gr | Sierra MatchKing. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,408 fps; across all powders the maximum-charge window runs from 1,447 fps to 2,408 fps. Accurate 4064 gives the best case fill at 100 %, and 56 of the 56 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 174.0 gr projectile in 0.311" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 4064, Alliant Reloder- TS 15.5, Bofors RP3 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, Hodgdon BL-C2 rank at the top here: for .308 Marlin Express with the .311 | 174gr | Sierra MatchKing 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.