Load Specifications
Load data in caliber .404 Riml. N.E. with .423 | 400gr | A-Square LionLoad bullet and 79 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, ReloadSwiss RS 60 and Alliant Reloder-17.
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 2495 | <<locked>> | 84% | 46,456 psi | 88% | 2247 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 46,586 psi | 88% | 2244 fps | 96% |
| Accurate 3100ᴾ | <<locked>> | 100% | 39,566 psi | 75% | 2241 fps | 96.3% |
| Accurate 4064 | <<locked>> | 86% | 46,601 psi | 88% | 2287 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 45,223 psi | 85% | 2346 fps | 99.1% |
| ADI AR 2206H | <<locked>> | 82% | 47,137 psi | 89% | 2306 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 86% | 45,353 psi | 86% | 2267 fps | 99.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 45,890 psi | 87% | 2395 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 47,834 psi | 90% | 2329 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 45,498 psi | 86% | 2300 fps | 99.5% |
| Alliant Reloder-16 | <<locked>> | 96% | 47,355 psi | 89% | 2402 fps | 99.6% |
| Alliant Reloder-17 | <<locked>> | 92% | 47,630 psi | 90% | 2425 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,189 psi | 72% | 2270 fps | 99.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,250 psi | 80% | 2405 fps | 98.4% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 46,354 psi | 88% | 2316 fps | 99.2% |
| Bofors RP3 | <<locked>> | 86% | 44,918 psi | 85% | 2297 fps | 99.9% |
| Bofors RP7 | <<locked>> | 90% | 45,658 psi | 86% | 2270 fps | 96.1% |
| Hodgdon H380 | <<locked>> | 86% | 45,803 psi | 87% | 2303 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 90% | 46,238 psi | 87% | 2362 fps | 97.1% |
| Hodgdon H4350 | <<locked>> | 94% | 47,645 psi | 90% | 2336 fps | 95.9% |
| Hodgdon H4895 | <<locked>> | 82% | 47,543 psi | 90% | 2313 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 46,702 psi | 88% | 2339 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 46,514 psi | 88% | 2343 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 45,005 psi | 85% | 2362 fps | 96.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,534 psi | 67% | 1434 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 47,805 psi | 90% | 2306 fps | 99.9% |
| IMR 3031 | <<locked>> | 84% | 46,267 psi | 87% | 2287 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 47,195 psi | 89% | 2287 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 88% | 46,818 psi | 88% | 2260 fps | 97% |
| IMR 4350 | <<locked>> | 94% | 45,672 psi | 86% | 2293 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 90% | 47,340 psi | 89% | 2297 fps | 97% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,862 psi | 89% | 2356 fps | 99.3% |
| IMR 4895 | <<locked>> | 84% | 46,615 psi | 88% | 2326 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 82% | 46,311 psi | 87% | 2287 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 47,210 psi | 89% | 2247 fps | 99.8% |
| Lovex S062 | <<locked>> | 86% | 47,572 psi | 90% | 2293 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 46,688 psi | 88% | 2293 fps | 98.2% |
| Lovex S070 | <<locked>> | 94% | 47,282 psi | 89% | 2323 fps | 97.4% |
| Norma 201 | <<locked>> | 82% | 46,238 psi | 87% | 2264 fps | 100% |
| Norma 202 | <<locked>> | 82% | 46,586 psi | 88% | 2267 fps | 100% |
| Norma 203B | <<locked>> | 86% | 47,616 psi | 90% | 2333 fps | 99.8% |
| Norma URP | <<locked>> | 94% | 45,078 psi | 85% | 2343 fps | 99% |
| Ramshot Big Game | <<locked>> | 86% | 47,514 psi | 90% | 2352 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 96% | 46,949 psi | 89% | 2382 fps | 98% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,027 psi | 68% | 1467 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 46,224 psi | 87% | 2287 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 45,034 psi | 85% | 2346 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 47,572 psi | 90% | 2428 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 44,860 psi | 85% | 2365 fps | 98.8% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 44,875 psi | 85% | 2382 fps | 98.5% |
| Rottweil R 902 | <<locked>> | 84% | 46,775 psi | 88% | 2264 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 47,906 psi | 90% | 2333 fps | 100% |
| Rottweil R 907 | <<locked>> | 90% | 45,658 psi | 86% | 2270 fps | 96.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 46,688 psi | 88% | 2293 fps | 98.2% |
| Shooters World Match Rifle | <<locked>> | 82% | 46,311 psi | 87% | 2287 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 47,572 psi | 90% | 2293 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 47,282 psi | 89% | 2323 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 46,180 psi | 87% | 2339 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 47,500 psi | 90% | 2300 fps | 98.9% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 45,571 psi | 86% | 2283 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 47,688 psi | 90% | 2215 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 47,616 psi | 90% | 2218 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 46,572 psi | 88% | 2251 fps | 96.9% |
| Somchem S335 | <<locked>> | 82% | 47,224 psi | 89% | 2215 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 47,253 psi | 89% | 2297 fps | 99.8% |
| Somchem S355 | <<locked>> | 88% | 45,643 psi | 86% | 2290 fps | 99.8% |
| Somchem S365 | <<locked>> | 98% | 45,818 psi | 87% | 2388 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 45,629 psi | 86% | 2333 fps | 96.1% |
| Unknown powder | <<locked>> | 92% | 46,064 psi | 87% | 2346 fps | 98.7% |
| Vihtavuori N135 | <<locked>> | 84% | 46,238 psi | 87% | 2238 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 46,891 psi | 89% | 2251 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 46,514 psi | 88% | 2274 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 47,210 psi | 89% | 2339 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 84% | 45,266 psi | 86% | 2247 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 46,354 psi | 88% | 2343 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,568 psi | 79% | 2336 fps | 99% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 47,181 psi | 89% | 2323 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 46,238 psi | 87% | 2362 fps | 97.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 34,026 psi | 64% | 2274 fps | 99% |
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 2495 | <<locked>> | 80% | 40,915 psi | 77% | 2169 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 43,714 psi | 83% | 2198 fps | 95.3% |
| Accurate 3100 | <<locked>> | 98% | 36,898 psi | 70% | 2195 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 38,682 psi | 73% | 2165 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 30,066 psi | 57% | 2064 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 44,367 psi | 84% | 2264 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 37,753 psi | 71% | 2136 fps | 98% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 40,161 psi | 76% | 2293 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 37,362 psi | 71% | 2156 fps | 99.2% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,074 psi | 76% | 2211 fps | 98.7% |
| Alliant Reloder-16 | <<locked>> | 82% | 30,879 psi | 58% | 2077 fps | 95.2% |
| Alliant Reloder-17 | 77.7 gr | 80% | 32,140 psi | 61% | 2136 fps | 97.6% |
| Alliant Reloder-23 | <<locked>> | 90% | 28,253 psi | 53% | 2044 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 94% | 34,490 psi | 65% | 2247 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,352 psi | 82% | 2267 fps | 98.8% |
| Bofors RP3 | <<locked>> | 80% | 36,898 psi | 70% | 2162 fps | 99.2% |
| Bofors RP7 | <<locked>> | 88% | 42,975 psi | 81% | 2224 fps | 95.4% |
| Hodgdon H380 | <<locked>> | 80% | 37,739 psi | 71% | 2165 fps | 97% |
| Hodgdon H414 | <<locked>> | 86% | 40,466 psi | 76% | 2264 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 92% | 44,846 psi | 85% | 2290 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 44,759 psi | 85% | 2270 fps | 99.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 26,542 psi | 50% | 1949 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,305 psi | 72% | 2208 fps | 99.4% |
| Hodgdon Superformance | <<locked>> | 90% | 42,032 psi | 79% | 2310 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,542 psi | 50% | 1280 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,711 psi | 75% | 2175 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 40,712 psi | 77% | 2205 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,072 psi | 70% | 2116 fps | 98.1% |
| IMR 4166 Enduron | <<locked>> | 84% | 41,626 psi | 79% | 2175 fps | 95.7% |
| IMR 4350 | <<locked>> | 92% | 42,873 psi | 81% | 2247 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 86% | 42,032 psi | 79% | 2211 fps | 95.7% |
| IMR 4831 | <<locked>> | 86% | 30,226 psi | 57% | 2051 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 41,060 psi | 78% | 2234 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 80% | 43,352 psi | 82% | 2244 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,498 psi | 84% | 2208 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 39,595 psi | 75% | 2169 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 34,563 psi | 65% | 2080 fps | 95% |
| Lovex S070 | <<locked>> | 88% | 39,334 psi | 74% | 2192 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 43,511 psi | 82% | 2221 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 43,772 psi | 83% | 2228 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,465 psi | 75% | 2201 fps | 99% |
| Norma URP | <<locked>> | 82% | 30,719 psi | 58% | 2067 fps | 95% |
| Ramshot Big Game | <<locked>> | 80% | 38,827 psi | 73% | 2215 fps | 98.7% |
| Ramshot Hunter | <<locked>> | 88% | 36,332 psi | 69% | 2192 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,774 psi | 51% | 1306 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 38,087 psi | 72% | 2149 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 42,047 psi | 79% | 2300 fps | 99% |
| ReloadSwiss RS 60 | 77.7 gr | 80% | 34,200 psi | 65% | 2188 fps | 99.8% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 32,039 psi | 61% | 2126 fps | 95.3% |
| ReloadSwiss RS 70 | 84.8 gr | 86% | 34,476 psi | 65% | 2178 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 41,365 psi | 78% | 2178 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 34,795 psi | 66% | 2116 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 88% | 42,975 psi | 81% | 2224 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 82% | 34,563 psi | 65% | 2080 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,352 psi | 82% | 2244 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,595 psi | 75% | 2169 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 39,334 psi | 74% | 2192 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,621 psi | 67% | 2159 fps | 98.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 44,527 psi | 84% | 2254 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,757 psi | 81% | 2238 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,788 psi | 85% | 2175 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,231 psi | 70% | 2064 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 40,785 psi | 77% | 2162 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 44,469 psi | 84% | 2178 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,150 psi | 83% | 2251 fps | 99.5% |
| Somchem S355 | <<locked>> | 80% | 35,665 psi | 67% | 2119 fps | 98.6% |
| Somchem S365 | <<locked>> | 80% | 25,846 psi | 49% | 1982 fps | 96.5% |
| Somchem S385 | <<locked>> | 98% | 42,728 psi | 81% | 2283 fps | 95.4% |
| Unknown powder | <<locked>> | 82% | 33,402 psi | 63% | 2116 fps | 95.3% |
| Vihtavuori N135 | <<locked>> | 80% | 40,770 psi | 77% | 2159 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,437 psi | 78% | 2172 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,866 psi | 64% | 2067 fps | 99.1% |
| Vihtavuori N160 | <<locked>> | 82% | 32,082 psi | 61% | 2067 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 39,798 psi | 75% | 2165 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 31,517 psi | 60% | 2073 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 90% | 30,153 psi | 57% | 2106 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,950 psi | 57% | 2005 fps | 96.9% |
| Winchester 760 | <<locked>> | 86% | 40,466 psi | 76% | 2264 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 94% | 28,224 psi | 53% | 2113 fps | 96.2% |
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 100 powders for .404 Riml. N.E. loaded with the .423 | 400gr | A-Square LionLoad. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,428 fps; across all powders the maximum-charge window runs from 1,434 fps to 2,428 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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. ReloadSwiss RS 70, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .404 Riml. N.E. with the .423 | 400gr | A-Square LionLoad they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-22, Alliant Reloder-25, Bofors RP15 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.