Load Specifications
Load data in caliber .30-40 Krag with .308 | 180gr | Sierra SPT Pro-Hunter bullet and 70 powders. The key underlying parameters are shown in the table above.
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% | 41,756 psi | 89% | 2359 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 42,366 psi | 90% | 2402 fps | 99.8% |
| Accurate 2495 | <<locked>> | 96% | 40,915 psi | 87% | 2411 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 40,509 psi | 86% | 2405 fps | 99.5% |
| Accurate 4064 | <<locked>> | 98% | 41,524 psi | 88% | 2448 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 41,771 psi | 89% | 2418 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 94% | 40,437 psi | 86% | 2372 fps | 96.4% |
| ADI Benchmark 8208 | <<locked>> | 88% | 41,858 psi | 89% | 2395 fps | 98.6% |
| Alliant AR-Comp | <<locked>> | 88% | 39,856 psi | 85% | 2385 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 42,061 psi | 89% | 2470 fps | 98.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 41,481 psi | 88% | 2497 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 41,234 psi | 87% | 2431 fps | 98.3% |
| Alliant Reloder-10x | <<locked>> | 84% | 42,264 psi | 90% | 2369 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 42,163 psi | 89% | 2448 fps | 97.2% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 41,655 psi | 88% | 2513 fps | 97.9% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 41,321 psi | 88% | 2425 fps | 96.2% |
| Bofors RP3 | <<locked>> | 96% | 39,552 psi | 84% | 2421 fps | 98.1% |
| Hodgdon Benchmark | <<locked>> | 86% | 41,539 psi | 88% | 2346 fps | 98.9% |
| Hodgdon BL-C2 | <<locked>> | 90% | 42,003 psi | 89% | 2451 fps | 99.1% |
| Hodgdon CFE223 | <<locked>> | 86% | 40,901 psi | 87% | 2474 fps | 96.8% |
| Hodgdon H322 | <<locked>> | 84% | 42,076 psi | 89% | 2402 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 39,624 psi | 84% | 2372 fps | 99.7% |
| Hodgdon H4895 | <<locked>> | 90% | 42,047 psi | 89% | 2431 fps | 98.2% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 40,437 psi | 86% | 2448 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,285 psi | 68% | 1499 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 41,118 psi | 87% | 2392 fps | 97.8% |
| IMR 3031 | <<locked>> | 90% | 40,480 psi | 86% | 2428 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 42,438 psi | 90% | 2405 fps | 97.2% |
| IMR 4198 | <<locked>> | 82% | 42,380 psi | 90% | 2320 fps | 100% |
| IMR 4895 | <<locked>> | 92% | 40,234 psi | 85% | 2428 fps | 97.3% |
| IMR 8208 XBR | <<locked>> | 88% | 41,858 psi | 89% | 2395 fps | 98.6% |
| Lovex D073.5 | <<locked>> | 86% | 42,409 psi | 90% | 2408 fps | 99.3% |
| Lovex D073.6 | <<locked>> | 92% | 41,713 psi | 88% | 2434 fps | 99.7% |
| Lovex S060 | <<locked>> | 88% | 40,611 psi | 86% | 2329 fps | 97.2% |
| Lovex S062 | <<locked>> | 94% | 40,596 psi | 86% | 2392 fps | 98.5% |
| Norma 201 | <<locked>> | 92% | 42,453 psi | 90% | 2411 fps | 98.8% |
| Norma 202 | <<locked>> | 90% | 40,480 psi | 86% | 2385 fps | 99.8% |
| Norma 203B | <<locked>> | 94% | 41,234 psi | 87% | 2434 fps | 97.5% |
| Ramshot Big Game | <<locked>> | 94% | 41,698 psi | 88% | 2457 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 88% | 40,799 psi | 87% | 2408 fps | 97.3% |
| Ramshot X-Terminator | <<locked>> | 84% | 39,842 psi | 85% | 2339 fps | 96.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,778 psi | 67% | 1529 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 41,365 psi | 88% | 2382 fps | 99.4% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 41,292 psi | 88% | 2493 fps | 97% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 41,916 psi | 89% | 2530 fps | 99.7% |
| Rottweil R 901 | <<locked>> | 90% | 41,901 psi | 89% | 2392 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 94% | 42,467 psi | 90% | 2405 fps | 98.8% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 42,656 psi | 90% | 2464 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 92% | 41,713 psi | 88% | 2434 fps | 99.7% |
| Shooters World Precision | <<locked>> | 94% | 40,596 psi | 86% | 2392 fps | 98.5% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 41,220 psi | 87% | 2349 fps | 98.2% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 40,234 psi | 85% | 2438 fps | 97% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 41,481 psi | 88% | 2356 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 40,538 psi | 86% | 2395 fps | 97.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 40,190 psi | 85% | 2303 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 42,641 psi | 90% | 2349 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 41,611 psi | 88% | 2411 fps | 98.8% |
| Somchem S335 | <<locked>> | 90% | 41,568 psi | 88% | 2343 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 42,105 psi | 89% | 2411 fps | 97.5% |
| Somchem S355 | <<locked>> | 98% | 41,147 psi | 87% | 2425 fps | 97.9% |
| Vihtavuori N130 | <<locked>> | 84% | 40,335 psi | 86% | 2290 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 40,495 psi | 86% | 2306 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 41,989 psi | 89% | 2402 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 41,176 psi | 87% | 2375 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 98% | 39,929 psi | 85% | 2372 fps | 98.7% |
| Vihtavuori N530 | <<locked>> | 88% | 41,713 psi | 88% | 2388 fps | 98.6% |
| Vihtavuori N540 | <<locked>> | 94% | 42,380 psi | 90% | 2411 fps | 99.8% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 39,653 psi | 84% | 2369 fps | 97.3% |
| Winchester 748 | <<locked>> | 88% | 40,292 psi | 85% | 2421 fps | 99.1% |
| Winchester StaBALL Match | <<locked>> | 92% | 42,540 psi | 90% | 2448 fps | 98.2% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 30,980 psi | 66% | 2169 fps | 99.8% |
| Accurate 2460 | <<locked>> | 80% | 33,489 psi | 71% | 2247 fps | 98.7% |
| Accurate 2495 | <<locked>> | 80% | 21,016 psi | 45% | 1988 fps | 97.4% |
| Accurate 2520 | <<locked>> | 80% | 29,254 psi | 62% | 2185 fps | 97.1% |
| Accurate 4064 | <<locked>> | 82% | 22,089 psi | 47% | 2024 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 84% | 33,663 psi | 71% | 2264 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 92% | 37,681 psi | 80% | 2323 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 31,401 psi | 67% | 2188 fps | 95.8% |
| Alliant AR-Comp | <<locked>> | 80% | 29,225 psi | 62% | 2195 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 36,158 psi | 77% | 2359 fps | 96.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 38,348 psi | 81% | 2434 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 30,603 psi | 65% | 2221 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 36,970 psi | 78% | 2283 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 36,492 psi | 77% | 2343 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 94% | 33,402 psi | 71% | 2339 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 38,551 psi | 82% | 2375 fps | 95.4% |
| Bofors RP3 | <<locked>> | 90% | 31,299 psi | 66% | 2257 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 33,649 psi | 71% | 2198 fps | 97.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 28,253 psi | 60% | 2172 fps | 95.3% |
| Hodgdon CFE223 | <<locked>> | 84% | 38,087 psi | 81% | 2418 fps | 96% |
| Hodgdon H322 | <<locked>> | 80% | 36,245 psi | 77% | 2300 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 80% | 36,564 psi | 78% | 2316 fps | 99.3% |
| Hodgdon H4895 | <<locked>> | 82% | 31,430 psi | 67% | 2221 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 32,401 psi | 69% | 2287 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,322 psi | 49% | 1332 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 33,141 psi | 70% | 2238 fps | 95.5% |
| IMR 3031 | <<locked>> | 80% | 27,775 psi | 59% | 2175 fps | 98.8% |
| IMR 4064 | <<locked>> | 90% | 37,043 psi | 79% | 2306 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 39,697 psi | 84% | 2280 fps | 100% |
| IMR 4895 | <<locked>> | 88% | 34,751 psi | 74% | 2320 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 80% | 31,401 psi | 67% | 2188 fps | 95.8% |
| Lovex D073.5 | <<locked>> | 80% | 33,286 psi | 71% | 2244 fps | 97.6% |
| Lovex D073.6 | <<locked>> | 80% | 25,875 psi | 55% | 2113 fps | 95.6% |
| Lovex S060 | <<locked>> | 84% | 35,302 psi | 75% | 2228 fps | 95.7% |
| Lovex S062 | <<locked>> | 86% | 30,429 psi | 65% | 2192 fps | 95.6% |
| Norma 201 | <<locked>> | 82% | 29,443 psi | 62% | 2156 fps | 95.2% |
| Norma 202 | <<locked>> | 80% | 28,021 psi | 59% | 2136 fps | 97.3% |
| Norma 203B | <<locked>> | 88% | 33,112 psi | 70% | 2277 fps | 95% |
| Ramshot Big Game | <<locked>> | 90% | 35,955 psi | 76% | 2346 fps | 95.6% |
| Ramshot Wild Boar | <<locked>> | 84% | 35,128 psi | 75% | 2300 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 80% | 34,418 psi | 73% | 2234 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,626 psi | 48% | 1358 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 35,795 psi | 76% | 2280 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 35,592 psi | 76% | 2382 fps | 95.2% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 28,935 psi | 61% | 2238 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 29,414 psi | 62% | 2149 fps | 97.6% |
| Rottweil R 902 | <<locked>> | 84% | 29,718 psi | 63% | 2156 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 92% | 31,270 psi | 66% | 2251 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 25,875 psi | 55% | 2113 fps | 95.6% |
| Shooters World Precision | <<locked>> | 86% | 30,429 psi | 65% | 2192 fps | 95.6% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 38,014 psi | 81% | 2293 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 34,679 psi | 74% | 2326 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 38,479 psi | 82% | 2306 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 34,911 psi | 74% | 2287 fps | 95.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 30,197 psi | 64% | 2113 fps | 97.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 23,989 psi | 51% | 1982 fps | 96.6% |
| Somchem S321 | <<locked>> | 80% | 32,967 psi | 70% | 2247 fps | 96.8% |
| Somchem S335 | <<locked>> | 80% | 29,124 psi | 62% | 2110 fps | 98.3% |
| Somchem S341 | <<locked>> | 86% | 36,201 psi | 77% | 2303 fps | 95.9% |
| Somchem S355 | <<locked>> | 92% | 33,228 psi | 70% | 2274 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 35,085 psi | 74% | 2205 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 30,574 psi | 65% | 2129 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 80% | 24,729 psi | 52% | 2067 fps | 98.7% |
| Vihtavuori N140 | <<locked>> | 80% | 26,513 psi | 56% | 2083 fps | 97% |
| Vihtavuori N150 | <<locked>> | 90% | 29,472 psi | 63% | 2169 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 30,951 psi | 66% | 2178 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 25,150 psi | 53% | 2060 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 34,011 psi | 72% | 2257 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 29,762 psi | 63% | 2208 fps | 96.3% |
| Winchester StaBALL Match | <<locked>> | 84% | 31,314 psi | 66% | 2231 fps | 95% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 70 powders for .30-40 Krag loaded with the .308 | 180gr | Sierra SPT Pro-Hunter. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,530 fps; across all powders the maximum-charge window runs from 1,499 fps to 2,530 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (325 MPa), the top charges use 67–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:13.5 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.