Load Specifications
Load data in caliber .30-40 Krag with .307 | 165gr | Rhino Penetrator bullet and 61 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon LEVERevolution, Winchester 748 and IMR 3031.
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% | 41,626 psi | 88% | 2448 fps | 100% |
| Accurate 2460 | <<locked>> | 88% | 39,479 psi | 84% | 2441 fps | 98.9% |
| Accurate 2495ᴾ | <<locked>> | 100% | 40,538 psi | 86% | 2500 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 40,654 psi | 86% | 2497 fps | 98.8% |
| Accurate 4064ᴾ | <<locked>> | 100% | 37,869 psi | 80% | 2477 fps | 99.2% |
| Accurate LT-30 | <<locked>> | 82% | 40,567 psi | 86% | 2349 fps | 99.7% |
| Accurate LT-32 | <<locked>> | 82% | 41,017 psi | 87% | 2362 fps | 98.7% |
| ADI AR 2206H | <<locked>> | 94% | 41,872 psi | 89% | 2503 fps | 96.2% |
| ADI AR 2207 | <<locked>> | 82% | 42,569 psi | 90% | 2415 fps | 100% |
| ADI AR 2219 | <<locked>> | 84% | 40,930 psi | 87% | 2474 fps | 99.7% |
| ADI Benchmark 8208 | <<locked>> | 92% | 42,351 psi | 90% | 2484 fps | 97.6% |
| Alliant AR-Comp | <<locked>> | 94% | 42,583 psi | 90% | 2530 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 42,047 psi | 89% | 2556 fps | 97% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 40,756 psi | 86% | 2507 fps | 97% |
| Alliant Reloder-10x | <<locked>> | 86% | 39,929 psi | 85% | 2425 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 41,698 psi | 88% | 2388 fps | 99.9% |
| Bofors RP3ᴾ | <<locked>> | 100% | 39,450 psi | 84% | 2500 fps | 96.8% |
| Hodgdon Benchmark | <<locked>> | 90% | 42,177 psi | 89% | 2438 fps | 98% |
| Hodgdon BL-C2 | <<locked>> | 94% | 42,003 psi | 89% | 2533 fps | 98.1% |
| Hodgdon H322 | <<locked>> | 86% | 39,552 psi | 84% | 2448 fps | 99.6% |
| Hodgdon H335 | <<locked>> | 86% | 40,205 psi | 85% | 2467 fps | 99.1% |
| Hodgdon H4895 | <<locked>> | 94% | 42,105 psi | 89% | 2513 fps | 96.9% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 40,611 psi | 86% | 2530 fps | 96.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,560 psi | 67% | 1539 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 41,698 psi | 88% | 2484 fps | 96.6% |
| IMR 3031 | <<locked>> | 94% | 40,335 psi | 86% | 2520 fps | 99.9% |
| IMR 4198 | <<locked>> | 84% | 40,248 psi | 85% | 2379 fps | 100% |
| IMR 8208 XBR | <<locked>> | 92% | 42,351 psi | 90% | 2484 fps | 97.6% |
| Lovex D073.4 | <<locked>> | 82% | 40,350 psi | 86% | 2457 fps | 98.5% |
| Lovex D073.5 | <<locked>> | 88% | 39,610 psi | 84% | 2444 fps | 97.9% |
| Lovex D073.6 | <<locked>> | 96% | 41,524 psi | 88% | 2520 fps | 98.9% |
| Lovex S060 | <<locked>> | 92% | 41,321 psi | 88% | 2415 fps | 95.9% |
| Lovex S062 | <<locked>> | 98% | 40,596 psi | 86% | 2474 fps | 97.4% |
| Norma 200 | <<locked>> | 84% | 40,915 psi | 87% | 2431 fps | 100% |
| Norma 201 | <<locked>> | 96% | 42,612 psi | 90% | 2497 fps | 97.8% |
| Norma 202 | <<locked>> | 94% | 40,727 psi | 86% | 2477 fps | 99.2% |
| Norma 203B | <<locked>> | 98% | 40,901 psi | 87% | 2510 fps | 96% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,574 psi | 65% | 1568 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 42,134 psi | 89% | 2477 fps | 98.7% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 39,349 psi | 83% | 2546 fps | 98% |
| Rottweil R 901 | <<locked>> | 94% | 42,177 psi | 89% | 2484 fps | 99.3% |
| Rottweil R 902 | <<locked>> | 98% | 42,641 psi | 90% | 2490 fps | 97.7% |
| Shooters World AR Plus | <<locked>> | 82% | 40,350 psi | 86% | 2457 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 96% | 41,524 psi | 88% | 2520 fps | 98.9% |
| Shooters World Precision | <<locked>> | 98% | 40,596 psi | 86% | 2474 fps | 97.4% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 42,250 psi | 90% | 2444 fps | 97.1% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 41,118 psi | 87% | 2474 fps | 99.2% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 41,974 psi | 89% | 2451 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 40,814 psi | 87% | 2395 fps | 99.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 39,914 psi | 85% | 2392 fps | 99.6% |
| Somchem S321 | <<locked>> | 90% | 42,076 psi | 89% | 2503 fps | 97.8% |
| Somchem S335 | <<locked>> | 94% | 41,727 psi | 89% | 2431 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 88% | 41,031 psi | 87% | 2392 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 40,872 psi | 87% | 2402 fps | 100% |
| Vihtavuori N135 | <<locked>> | 98% | 41,321 psi | 88% | 2487 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 41,220 psi | 87% | 2461 fps | 99.5% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 36,782 psi | 78% | 2398 fps | 96.8% |
| Vihtavuori N530 | <<locked>> | 92% | 42,322 psi | 90% | 2477 fps | 97.6% |
| Vihtavuori N540 | <<locked>> | 98% | 42,308 psi | 90% | 2497 fps | 99.3% |
| Winchester 748 | <<locked>> | 92% | 40,567 psi | 86% | 2510 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 94% | 39,668 psi | 84% | 2477 fps | 96.2% |
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% | 26,745 psi | 57% | 2152 fps | 98.1% |
| Accurate 2460 | <<locked>> | 80% | 28,616 psi | 61% | 2218 fps | 95.9% |
| Accurate 2495 | <<locked>> | 84% | 20,494 psi | 43% | 2054 fps | 95.8% |
| Accurate 2520 | <<locked>> | 84% | 29,428 psi | 62% | 2270 fps | 95.7% |
| Accurate 4064 | <<locked>> | 90% | 25,512 psi | 54% | 2205 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 37,666 psi | 80% | 2297 fps | 99.4% |
| Accurate LT-32 | <<locked>> | 80% | 38,087 psi | 81% | 2306 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 92% | 39,204 psi | 83% | 2454 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 39,697 psi | 84% | 2369 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 34,998 psi | 74% | 2362 fps | 98.9% |
| ADI Benchmark 8208 | <<locked>> | 86% | 34,171 psi | 72% | 2326 fps | 95.2% |
| Alliant AR-Comp | <<locked>> | 80% | 25,135 psi | 53% | 2178 fps | 99.5% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 36,230 psi | 77% | 2444 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 35,244 psi | 75% | 2402 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 32,256 psi | 68% | 2283 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 35,984 psi | 76% | 2287 fps | 99.3% |
| Bofors RP3 | <<locked>> | 98% | 36,347 psi | 77% | 2441 fps | 95.9% |
| Hodgdon Benchmark | <<locked>> | 82% | 31,966 psi | 68% | 2238 fps | 95.1% |
| Hodgdon BL-C2 | <<locked>> | 88% | 33,330 psi | 71% | 2369 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 80% | 31,763 psi | 67% | 2293 fps | 98.1% |
| Hodgdon H335 | <<locked>> | 80% | 31,981 psi | 68% | 2303 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 90% | 36,535 psi | 78% | 2408 fps | 95.3% |
| Hodgdon LEVERevolution | 41.2 gr | 92% | 35,070 psi | 74% | 2418 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,597 psi | 48% | 1371 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 36,245 psi | 77% | 2379 fps | 95% |
| IMR 3031 | 33.2 gr | 80% | 23,902 psi | 51% | 2149 fps | 95.9% |
| IMR 4198 | <<locked>> | 80% | 35,346 psi | 75% | 2293 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 34,171 psi | 72% | 2326 fps | 95.2% |
| Lovex D073.4 | <<locked>> | 80% | 37,231 psi | 79% | 2402 fps | 97.9% |
| Lovex D073.5 | <<locked>> | 82% | 30,922 psi | 66% | 2270 fps | 95.4% |
| Lovex D073.6 | <<locked>> | 86% | 27,876 psi | 59% | 2244 fps | 95% |
| Lovex S060 | <<locked>> | 90% | 38,754 psi | 82% | 2369 fps | 95.2% |
| Lovex S062 | <<locked>> | 92% | 32,764 psi | 70% | 2320 fps | 95% |
| Norma 200 | <<locked>> | 80% | 35,491 psi | 75% | 2336 fps | 100% |
| Norma 201 | <<locked>> | 90% | 34,374 psi | 73% | 2343 fps | 95.5% |
| Norma 202 | <<locked>> | 84% | 28,007 psi | 59% | 2215 fps | 95.8% |
| Norma 203B | <<locked>> | 96% | 38,232 psi | 81% | 2461 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,770 psi | 46% | 1394 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 31,343 psi | 66% | 2264 fps | 95.9% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 33,953 psi | 72% | 2425 fps | 96% |
| Rottweil R 901 | <<locked>> | 82% | 27,340 psi | 58% | 2175 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 92% | 34,389 psi | 73% | 2336 fps | 95.5% |
| Shooters World AR Plus | <<locked>> | 80% | 37,231 psi | 79% | 2402 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 86% | 27,876 psi | 59% | 2244 fps | 95% |
| Shooters World Precision | <<locked>> | 92% | 32,764 psi | 70% | 2320 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 36,274 psi | 77% | 2336 fps | 95.5% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 35,404 psi | 75% | 2369 fps | 98.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 33,692 psi | 71% | 2303 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 26,455 psi | 56% | 2096 fps | 95% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 24,395 psi | 52% | 2060 fps | 95.2% |
| Somchem S321 | <<locked>> | 84% | 33,562 psi | 71% | 2339 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 25,454 psi | 54% | 2093 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 30,864 psi | 65% | 2205 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 80% | 26,672 psi | 57% | 2116 fps | 97.9% |
| Vihtavuori N135 | <<locked>> | 80% | 20,972 psi | 44% | 2034 fps | 95.6% |
| Vihtavuori N140 | <<locked>> | 84% | 26,542 psi | 56% | 2159 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 96% | 31,676 psi | 67% | 2293 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 86% | 33,837 psi | 72% | 2316 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 86% | 27,238 psi | 58% | 2188 fps | 95.2% |
| Winchester 748 | 38.6 gr | 86% | 32,343 psi | 69% | 2343 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 92% | 36,811 psi | 78% | 2421 fps | 95.3% |
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 61 powders for .30-40 Krag loaded with the .307 | 165gr | Rhino Penetrator. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,556 fps; across all powders the maximum-charge window runs from 1,539 fps to 2,556 fps. Accurate 2495 gives the best case fill at 100 %, and 61 of the 61 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (325 MPa), the top charges use 65–90 %, leaving at least 10 % headroom. The 165.0 gr projectile in 0.307" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, Alliant Reloder- TS 15.5 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 LEVERevolution, Winchester 748, IMR 3031 rank at the top here: for .30-40 Krag with the .307 | 165gr | Rhino Penetrator 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.