Load Specifications
Load data in caliber .45 Win. Mag. with .451 | 200gr | Speer JHP bullet and 62 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AP 100, SNPE Vectan BA7 1/2 and Alliant Herco.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 72% | 33,837 psi | 85% | 1434 fps | 100% |
| Accurate No. 7*² | <<locked>> | 76% | 35,491 psi | 89% | 1604 fps | 90.6% |
| Accurate Solo 1000² | <<locked>> | 76% | 36,013 psi | 90% | 1358 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 80% | 35,462 psi | 89% | 1414 fps | 100% |
| ADI AP 100 | <<locked>> | 96% | 35,085 psi | 88% | 1545 fps | 98% |
| ADI AP 70N² | <<locked>> | 64% | 33,272 psi | 83% | 1401 fps | 100% |
| ADI APS 350² | <<locked>> | 72% | 34,751 psi | 87% | 1230 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 33,663 psi | 84% | 1250 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 35,288 psi | 88% | 1316 fps | 100% |
| ADI AS 50N² | <<locked>> | 72% | 35,273 psi | 88% | 1368 fps | 100% |
| Alliant BE-86² | <<locked>> | 76% | 33,431 psi | 84% | 1375 fps | 100% |
| Alliant BLUE DOT* | <<locked>> | 96% | 33,837 psi | 85% | 1565 fps | 88.7% |
| Alliant BULLSEYE² | <<locked>> | 68% | 33,083 psi | 83% | 1457 fps | 100% |
| Alliant Green Dot² | <<locked>> | 76% | 35,288 psi | 88% | 1371 fps | 100% |
| Alliant Herco | <<locked>> | 92% | 33,301 psi | 83% | 1460 fps | 100% |
| Alliant POWER PISTOL | <<locked>> | 80% | 35,694 psi | 89% | 1601 fps | 97.7% |
| Alliant RED DOT² | <<locked>> | 76% | 33,823 psi | 85% | 1322 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 64% | 34,069 psi | 85% | 1473 fps | 100% |
| Alliant UNIQUE | <<locked>> | 80% | 35,288 psi | 88% | 1496 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 76% | 35,288 psi | 88% | 1355 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 92% | 33,228 psi | 83% | 1342 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 72% | 35,955 psi | 90% | 1381 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 76% | 35,955 psi | 90% | 1430 fps | 100% |
| Hodgdon Clays | <<locked>> | 84% | 35,752 psi | 90% | 1276 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 64% | 33,663 psi | 84% | 1503 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 16,607 psi | 42% | 1024 fps | 100% |
| Hodgdon Universal² | <<locked>> | 72% | 34,229 psi | 86% | 1414 fps | 100% |
| Lovex D037.1*² | <<locked>> | 76% | 35,491 psi | 89% | 1604 fps | 90.6% |
| Lovex S011² | <<locked>> | 64% | 34,287 psi | 86% | 1368 fps | 100% |
| Lovex S020² | <<locked>> | 72% | 34,809 psi | 87% | 1440 fps | 100% |
| Maxam CSB 1 | <<locked>> | 84% | 35,868 psi | 90% | 1414 fps | 100% |
| Maxam CSB 2 | <<locked>> | 80% | 35,824 psi | 90% | 1417 fps | 100% |
| Maxam CSB 3² | <<locked>> | 76% | 33,779 psi | 85% | 1365 fps | 100% |
| Maxam CSB 4² | <<locked>> | 72% | 32,576 psi | 82% | 1325 fps | 100% |
| Maxam CSB 5² | <<locked>> | 68% | 32,924 psi | 83% | 1276 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 64% | 33,373 psi | 84% | 1467 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 68% | 34,969 psi | 88% | 1388 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 15,302 psi | 38% | 1030 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 80% | 34,127 psi | 86% | 1470 fps | 100% |
| ReloadSwiss RS 24* | <<locked>> | 80% | 33,112 psi | 83% | 1552 fps | 92% |
| Rottweil P 801² | <<locked>> | 64% | 35,099 psi | 88% | 1355 fps | 100% |
| Rottweil P 806 | <<locked>> | 84% | 32,256 psi | 81% | 1568 fps | 99.7% |
| Shooters World Major Pistol*² | <<locked>> | 76% | 35,491 psi | 89% | 1604 fps | 90.6% |
| SNPE Vectan A0 | <<locked>> | 80% | 33,286 psi | 83% | 1421 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 72% | 33,736 psi | 85% | 1371 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 72% | 32,779 psi | 82% | 1381 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 34,142 psi | 86% | 1257 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 88% | 35,418 psi | 89% | 1509 fps | 100% |
| SNPE Vectan BA9 1/2² | <<locked>> | 76% | 35,578 psi | 89% | 1424 fps | 100% |
| SNPE Vectan SP 2² | <<locked>> | 72% | 31,981 psi | 80% | 1549 fps | 97.9% |
| Somchem MP200² | <<locked>> | 72% | 33,692 psi | 84% | 1463 fps | 100% |
| Somchem MS200² | <<locked>> | 76% | 33,533 psi | 84% | 1434 fps | 100% |
| Somchem S221² | <<locked>> | 68% | 34,330 psi | 86% | 1549 fps | 95.4% |
| Vihtavuori 3N37 | <<locked>> | 80% | 34,838 psi | 87% | 1522 fps | 100% |
| Vihtavuori 3N38* | <<locked>> | 96% | 35,607 psi | 89% | 1581 fps | 93.9% |
| Vihtavuori N105ᴾ | <<locked>> | 100% | 34,171 psi | 86% | 1621 fps | 97% |
| Vihtavuori N320² | <<locked>> | 72% | 35,418 psi | 89% | 1368 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 30,676 psi | 77% | 1230 fps | 100% |
| Vihtavuori N330² | <<locked>> | 72% | 34,635 psi | 87% | 1421 fps | 100% |
| Vihtavuori N340² | <<locked>> | 76% | 33,315 psi | 84% | 1434 fps | 100% |
| Vihtavuori N350 | <<locked>> | 84% | 33,228 psi | 83% | 1493 fps | 100% |
| Winchester AutoComp | <<locked>> | 80% | 34,925 psi | 88% | 1427 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 60% | 23,134 psi | 58% | 1260 fps | 99.7% |
| Accurate No. 7*² | <<locked>> | 68% | 26,498 psi | 66% | 1440 fps | 85.4% |
| Accurate Solo 1000² | <<locked>> | 60% | 24,323 psi | 61% | 1191 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 20,581 psi | 52% | 1184 fps | 100% |
| ADI AP 100*² | 12.2 gr | 64% | 15,200 psi | 38% | 1115 fps | 85.1% |
| ADI AP 70N² | <<locked>> | 60% | 29,544 psi | 74% | 1348 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 26,266 psi | 66% | 1112 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 24,918 psi | 62% | 1125 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 24,352 psi | 61% | 1161 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 26,005 psi | 65% | 1234 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 21,422 psi | 54% | 1191 fps | 100% |
| Alliant BLUE DOT* | <<locked>> | 92% | 30,487 psi | 76% | 1506 fps | 86.8% |
| Alliant BULLSEYE² | <<locked>> | 60% | 26,542 psi | 67% | 1348 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 23,525 psi | 59% | 1194 fps | 100% |
| Alliant Herco² | 10.4 gr | 60% | 15,156 psi | 38% | 1096 fps | 98.2% |
| Alliant POWER PISTOL*² | <<locked>> | 60% | 19,566 psi | 49% | 1270 fps | 88.8% |
| Alliant RED DOT² | <<locked>> | 60% | 22,989 psi | 58% | 1158 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 60% | 29,776 psi | 75% | 1407 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 20,813 psi | 52% | 1243 fps | 99.9% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 23,003 psi | 58% | 1178 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 14,663 psi | 37% | 1027 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 24,903 psi | 62% | 1234 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 60% | 22,916 psi | 57% | 1237 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 20,900 psi | 52% | 1060 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 60% | 29,254 psi | 73% | 1430 fps | 98.7% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 7,687 psi | 19% | 761 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 24,395 psi | 61% | 1263 fps | 100% |
| Lovex D037.1*² | <<locked>> | 68% | 26,498 psi | 66% | 1440 fps | 85.4% |
| Lovex S011² | <<locked>> | 60% | 30,182 psi | 76% | 1316 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 24,047 psi | 60% | 1280 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 19,392 psi | 49% | 1152 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 21,031 psi | 53% | 1194 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 22,060 psi | 55% | 1181 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 24,091 psi | 60% | 1198 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 26,774 psi | 67% | 1191 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 29,124 psi | 73% | 1401 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 27,673 psi | 69% | 1289 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 7,223 psi | 18% | 758 fps | 98.8% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 18,985 psi | 48% | 1214 fps | 100% |
| ReloadSwiss RS 24*² | <<locked>> | 68% | 22,727 psi | 57% | 1345 fps | 85.2% |
| Rottweil P 801² | <<locked>> | 60% | 31,198 psi | 78% | 1302 fps | 100% |
| Rottweil P 806*² | <<locked>> | 60% | 13,967 psi | 35% | 1158 fps | 89% |
| Shooters World Major Pistol*² | <<locked>> | 68% | 26,498 psi | 66% | 1440 fps | 85.4% |
| SNPE Vectan A0² | <<locked>> | 60% | 19,334 psi | 48% | 1171 fps | 99.7% |
| SNPE Vectan A1² | <<locked>> | 60% | 24,207 psi | 61% | 1230 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 23,337 psi | 59% | 1234 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 28,166 psi | 71% | 1175 fps | 100% |
| SNPE Vectan BA7 1/2*² | 12.2 gr | 60% | 16,592 psi | 42% | 1135 fps | 92.8% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 22,916 psi | 57% | 1230 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 60% | 21,350 psi | 54% | 1332 fps | 92.5% |
| Somchem MP200² | <<locked>> | 60% | 23,859 psi | 60% | 1299 fps | 100% |
| Somchem MS200² | <<locked>> | 60% | 21,625 psi | 54% | 1230 fps | 100% |
| Somchem S221*² | <<locked>> | 60% | 26,063 psi | 65% | 1398 fps | 91.3% |
| Vihtavuori 3N37² | <<locked>> | 60% | 18,985 psi | 48% | 1224 fps | 95.9% |
| Vihtavuori 3N38* | <<locked>> | 80% | 22,727 psi | 57% | 1339 fps | 86.3% |
| Vihtavuori N105* | <<locked>> | 80% | 18,724 psi | 47% | 1299 fps | 86.8% |
| Vihtavuori N320² | <<locked>> | 60% | 25,222 psi | 63% | 1227 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 12,937 psi | 32% | 922 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 24,163 psi | 61% | 1266 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 21,103 psi | 53% | 1227 fps | 100% |
| Vihtavuori N350*² | <<locked>> | 60% | 16,404 psi | 41% | 1155 fps | 94.3% |
| Winchester AutoComp ² | <<locked>> | 60% | 20,276 psi | 51% | 1188 fps | 100% |
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 13 powders for .45 Win. Mag. loaded with the .451 | 200gr | Speer JHP. Vihtavuori N105 delivers the highest muzzle velocity at 1,621 fps; across all powders the maximum-charge window runs from 1,024 fps to 1,621 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 13 of the 13 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (275 MPa), the top charges use 38–90 %, leaving at least 10 % headroom. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori N105 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. ADI AP 100, SNPE Vectan BA7 1/2, Alliant Herco rank at the top here: for .45 Win. Mag. with the .451 | 200gr | Speer JHP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Vihtavuori 3N38 burn incompletely and react more sensitively to barrel length and temperature. Hodgdon TrailBoss, ReloadSwiss RS 14, Vihtavuori N32C Tin Star 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.