Load Specifications
Load data in caliber .400 Cor-Bon with .400 | 165gr | Sierra Sports Master bullet and 58 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Rottweil P 806, Vihtavuori N350 and SNPE Vectan BA7 1/2.
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 ≥ 60% and propellant combustion ≥ 80%. 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: 5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 72% | 28,819 psi | 82% | 1220 fps | 99.8% |
| Accurate Solo 1000² | <<locked>> | 72% | 29,167 psi | 83% | 1145 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 80% | 30,356 psi | 87% | 1217 fps | 100% |
| ADI AP 100* | <<locked>> | 96% | 29,414 psi | 84% | 1296 fps | 93.2% |
| ADI AP 70N² | <<locked>> | 64% | 28,195 psi | 81% | 1201 fps | 100% |
| ADI APS 350² | <<locked>> | 68% | 29,341 psi | 84% | 1040 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 30,342 psi | 87% | 1086 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 31,662 psi | 90% | 1145 fps | 100% |
| ADI AS 50N² | <<locked>> | 72% | 30,589 psi | 87% | 1178 fps | 100% |
| Alliant BE-86² | <<locked>> | 76% | 28,587 psi | 82% | 1184 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 68% | 29,051 psi | 83% | 1257 fps | 100% |
| Alliant Green Dot² | <<locked>> | 76% | 30,922 psi | 88% | 1184 fps | 100% |
| Alliant Herco | <<locked>> | 96% | 31,067 psi | 89% | 1289 fps | 100% |
| Alliant POWER PISTOL* | <<locked>> | 80% | 29,646 psi | 85% | 1339 fps | 92.6% |
| Alliant RED DOT² | <<locked>> | 76% | 30,458 psi | 87% | 1152 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 64% | 28,950 psi | 83% | 1257 fps | 100% |
| Alliant UNIQUE | <<locked>> | 80% | 29,820 psi | 85% | 1276 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 76% | 30,763 psi | 88% | 1171 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 96% | 30,850 psi | 88% | 1191 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 72% | 30,879 psi | 88% | 1198 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 76% | 30,429 psi | 87% | 1227 fps | 100% |
| Hodgdon Clays | <<locked>> | 80% | 29,675 psi | 85% | 1076 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 64% | 28,195 psi | 81% | 1263 fps | 96.3% |
| Hodgdon Longshot² | <<locked>> | 64% | 31,444 psi | 90% | 1312 fps | 98.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 14,330 psi | 41% | 883 fps | 100% |
| Hodgdon Universal² | <<locked>> | 72% | 29,617 psi | 85% | 1220 fps | 100% |
| Lovex S011² | <<locked>> | 64% | 30,066 psi | 86% | 1184 fps | 100% |
| Lovex S020² | <<locked>> | 72% | 29,544 psi | 84% | 1237 fps | 100% |
| Maxam CSB 1 | <<locked>> | 84% | 30,792 psi | 88% | 1217 fps | 100% |
| Maxam CSB 2 | <<locked>> | 80% | 30,647 psi | 88% | 1227 fps | 100% |
| Maxam CSB 3² | <<locked>> | 76% | 29,704 psi | 85% | 1181 fps | 100% |
| Maxam CSB 4² | <<locked>> | 76% | 31,589 psi | 90% | 1184 fps | 100% |
| Maxam CSB 5² | <<locked>> | 68% | 29,080 psi | 83% | 1106 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 64% | 28,007 psi | 80% | 1243 fps | 99.8% |
| ReloadSwiss RS 12² | <<locked>> | 68% | 29,196 psi | 83% | 1191 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 12,966 psi | 37% | 879 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 84% | 31,256 psi | 89% | 1299 fps | 100% |
| Rottweil P 801² | <<locked>> | 64% | 30,052 psi | 86% | 1168 fps | 100% |
| Rottweil P 806 | <<locked>> | 92% | 31,227 psi | 89% | 1407 fps | 98.1% |
| SNPE Vectan A0 | <<locked>> | 84% | 31,256 psi | 89% | 1253 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 72% | 29,573 psi | 84% | 1188 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 76% | 31,299 psi | 89% | 1227 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 31,125 psi | 89% | 1096 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 88% | 30,052 psi | 86% | 1280 fps | 97.8% |
| SNPE Vectan BA9 1/2² | <<locked>> | 76% | 30,298 psi | 87% | 1224 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 76% | 28,964 psi | 83% | 1345 fps | 94.3% |
| Somchem MP200² | <<locked>> | 72% | 28,993 psi | 83% | 1253 fps | 100% |
| Somchem MS200² | <<locked>> | 76% | 28,703 psi | 82% | 1227 fps | 100% |
| Somchem S221*² | <<locked>> | 68% | 28,601 psi | 82% | 1293 fps | 89.2% |
| Vihtavuori 3N37 | <<locked>> | 80% | 28,964 psi | 83% | 1286 fps | 98.3% |
| Vihtavuori N105*ᴾ | <<locked>> | 100% | 26,484 psi | 76% | 1325 fps | 89.5% |
| Vihtavuori N320² | <<locked>> | 72% | 30,255 psi | 86% | 1178 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 26,803 psi | 77% | 1066 fps | 100% |
| Vihtavuori N330² | <<locked>> | 72% | 28,819 psi | 82% | 1217 fps | 100% |
| Vihtavuori N340 | <<locked>> | 80% | 31,444 psi | 90% | 1270 fps | 100% |
| Vihtavuori N350 | <<locked>> | 88% | 31,038 psi | 89% | 1312 fps | 99% |
| Winchester 231² | <<locked>> | 64% | 31,212 psi | 89% | 1217 fps | 100% |
| Winchester AutoComp | <<locked>> | 80% | 29,544 psi | 84% | 1224 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 60% | 19,827 psi | 57% | 1063 fps | 97.1% |
| Accurate Solo 1000² | <<locked>> | 60% | 21,350 psi | 61% | 1027 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 17,376 psi | 50% | 1004 fps | 100% |
| ADI AP 100* | <<locked>> | 80% | 19,537 psi | 56% | 1106 fps | 86.2% |
| ADI AP 70N² | <<locked>> | 60% | 25,469 psi | 73% | 1161 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 24,439 psi | 70% | 974 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 22,872 psi | 65% | 984 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 21,161 psi | 60% | 997 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 22,669 psi | 65% | 1063 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 18,246 psi | 52% | 1020 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 22,902 psi | 65% | 1152 fps | 99.8% |
| Alliant Green Dot² | <<locked>> | 60% | 20,479 psi | 59% | 1027 fps | 100% |
| Alliant Herco*² | <<locked>> | 60% | 12,734 psi | 36% | 915 fps | 93.6% |
| Alliant POWER PISTOL*² | <<locked>> | 68% | 20,871 psi | 60% | 1165 fps | 86.3% |
| Alliant RED DOT² | <<locked>> | 60% | 20,088 psi | 57% | 997 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 60% | 25,527 psi | 73% | 1201 fps | 99.9% |
| Alliant UNIQUE² | <<locked>> | 60% | 17,521 psi | 50% | 1047 fps | 97.7% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 19,711 psi | 56% | 1010 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 12,299 psi | 35% | 876 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 20,987 psi | 60% | 1060 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 60% | 19,580 psi | 56% | 1056 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 19,232 psi | 55% | 925 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 60% | 24,308 psi | 69% | 1194 fps | 94.4% |
| Hodgdon Longshot² | <<locked>> | 60% | 27,122 psi | 77% | 1247 fps | 97.3% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 6,512 psi | 19% | 640 fps | 98.9% |
| Hodgdon Universal² | <<locked>> | 60% | 21,161 psi | 60% | 1086 fps | 100% |
| Lovex S011² | <<locked>> | 60% | 26,266 psi | 75% | 1132 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 20,233 psi | 58% | 1086 fps | 99.8% |
| Maxam CSB 1² | <<locked>> | 60% | 16,694 psi | 48% | 984 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 17,680 psi | 51% | 1027 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 19,102 psi | 55% | 1017 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 20,784 psi | 59% | 1030 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 23,641 psi | 68% | 1030 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 24,424 psi | 70% | 1184 fps | 99.1% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 23,598 psi | 67% | 1112 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 6,208 psi | 18% | 636 fps | 95.1% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 15,809 psi | 45% | 1024 fps | 98.4% |
| Rottweil P 801² | <<locked>> | 60% | 27,122 psi | 77% | 1132 fps | 100% |
| Rottweil P 806*² | 11.3 gr | 68% | 14,040 psi | 40% | 1053 fps | 85.5% |
| SNPE Vectan A0² | <<locked>> | 60% | 16,839 psi | 48% | 994 fps | 97.1% |
| SNPE Vectan A1² | <<locked>> | 60% | 21,074 psi | 60% | 1060 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 20,218 psi | 58% | 1053 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 25,701 psi | 73% | 1027 fps | 100% |
| SNPE Vectan BA7 1/2*² | 7.3 gr | 60% | 14,025 psi | 40% | 945 fps | 86.3% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 19,580 psi | 56% | 1050 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 64% | 19,711 psi | 56% | 1161 fps | 87.7% |
| Somchem MP200² | <<locked>> | 60% | 20,218 psi | 58% | 1096 fps | 98.2% |
| Somchem MS200² | <<locked>> | 60% | 18,681 psi | 53% | 1047 fps | 98.9% |
| Somchem S221*² | <<locked>> | 64% | 24,961 psi | 71% | 1227 fps | 86.7% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 15,708 psi | 45% | 1020 fps | 89.9% |
| Vihtavuori N105* | <<locked>> | 96% | 23,192 psi | 66% | 1260 fps | 86.7% |
| Vihtavuori N320² | <<locked>> | 60% | 21,350 psi | 61% | 1053 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 10,762 psi | 31% | 784 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 20,073 psi | 57% | 1079 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 17,767 psi | 51% | 1037 fps | 98.1% |
| Vihtavuori N350*² | 7.1 gr | 60% | 13,402 psi | 38% | 955 fps | 87.4% |
| Winchester 231² | <<locked>> | 60% | 27,630 psi | 79% | 1168 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 60% | 17,172 psi | 49% | 1010 fps | 99.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
* not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.
² fill rate low - you might want to consider using a filler to ensure proper ignition.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 12 powders for .400 Cor-Bon loaded with the .400 | 165gr | Sierra Sports Master. Rottweil P 806 delivers the highest muzzle velocity at 1,407 fps; across all powders the maximum-charge window runs from 879 fps to 1,407 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 12 of the 12 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (241 MPa), the top charges use 37–89 %, leaving at least 11 % headroom. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori N32C Tin Star 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. Rottweil P 806, Vihtavuori N350, SNPE Vectan BA7 1/2 rank at the top here: for .400 Cor-Bon with the .400 | 165gr | Sierra Sports Master they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AP 100 burn incompletely and react more sensitively to barrel length and temperature. Baschieri & Pellagri 102 Pistol, Hodgdon TrailBoss, ReloadSwiss RS 14 stay subsonic at start load. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.