Load Specifications
Load data in caliber 9 x 25 Dillon with .357 | 125gr | Hornady FP XTP bullet and 51 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Herco, Baschieri & Pellagri 102 Pistol and Vihtavuori N32C Tin Star.
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>> | 68% | 30,676 psi | 85% | 1362 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 68% | 30,690 psi | 85% | 1263 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 76% | 32,489 psi | 90% | 1352 fps | 100% |
| ADI AP 100 | <<locked>> | 92% | 32,343 psi | 89% | 1467 fps | 96.3% |
| ADI APS 350² | <<locked>> | 68% | 32,677 psi | 90% | 1181 fps | 100% |
| ADI APS 450² | <<locked>> | 68% | 31,198 psi | 86% | 1194 fps | 100% |
| ADI AS 30² | <<locked>> | 68% | 29,965 psi | 83% | 1224 fps | 100% |
| ADI AS 50N² | <<locked>> | 68% | 32,401 psi | 89% | 1302 fps | 100% |
| Alliant BE-86² | <<locked>> | 72% | 30,661 psi | 85% | 1312 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 64% | 30,356 psi | 84% | 1381 fps | 100% |
| Alliant Green Dot² | <<locked>> | 72% | 32,735 psi | 90% | 1312 fps | 100% |
| Alliant Herco | <<locked>> | 88% | 31,444 psi | 87% | 1404 fps | 100% |
| Alliant POWER PISTOL*² | <<locked>> | 72% | 29,182 psi | 80% | 1447 fps | 94.1% |
| Alliant RED DOT² | <<locked>> | 72% | 31,357 psi | 86% | 1260 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 72% | 29,530 psi | 81% | 1378 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 72% | 32,590 psi | 90% | 1299 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 88% | 30,734 psi | 85% | 1286 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 68% | 32,764 psi | 90% | 1322 fps | 100% |
| Hodgdon Clays² | <<locked>> | 76% | 30,560 psi | 84% | 1188 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 17,202 psi | 47% | 1010 fps | 100% |
| Hodgdon Universal² | <<locked>> | 68% | 31,183 psi | 86% | 1342 fps | 100% |
| Lovex S020² | <<locked>> | 68% | 31,995 psi | 88% | 1375 fps | 100% |
| Maxam CSB 1² | <<locked>> | 76% | 30,705 psi | 85% | 1319 fps | 100% |
| Maxam CSB 2² | <<locked>> | 72% | 30,501 psi | 84% | 1319 fps | 100% |
| Maxam CSB 3² | <<locked>> | 72% | 30,922 psi | 85% | 1299 fps | 100% |
| Maxam CSB 4² | <<locked>> | 68% | 30,226 psi | 83% | 1266 fps | 100% |
| Maxam CSB 5² | <<locked>> | 64% | 30,705 psi | 85% | 1224 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 64% | 31,981 psi | 88% | 1322 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 15,737 psi | 43% | 1014 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 76% | 31,343 psi | 86% | 1404 fps | 100% |
| ReloadSwiss RS 24*² | <<locked>> | 76% | 30,342 psi | 84% | 1467 fps | 89% |
| Rottweil P 806 | <<locked>> | 80% | 29,240 psi | 81% | 1480 fps | 98.4% |
| SNPE Vectan A0² | <<locked>> | 76% | 30,472 psi | 84% | 1352 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 68% | 30,574 psi | 84% | 1306 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 68% | 29,631 psi | 82% | 1312 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 64% | 31,198 psi | 86% | 1194 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 84% | 32,808 psi | 90% | 1440 fps | 99.5% |
| SNPE Vectan BA9 1/2² | <<locked>> | 72% | 32,358 psi | 89% | 1355 fps | 100% |
| SNPE Vectan SP 2² | <<locked>> | 68% | 28,703 psi | 79% | 1450 fps | 95.6% |
| Somchem MP200² | <<locked>> | 68% | 31,227 psi | 86% | 1398 fps | 100% |
| Somchem MS200² | <<locked>> | 72% | 30,763 psi | 85% | 1365 fps | 100% |
| Somchem S221*² | <<locked>> | 64% | 30,516 psi | 84% | 1447 fps | 92.4% |
| Vihtavuori 3N37² | <<locked>> | 76% | 31,618 psi | 87% | 1444 fps | 99.7% |
| Vihtavuori 3N38* | <<locked>> | 92% | 32,721 psi | 90% | 1499 fps | 91.2% |
| Vihtavuori N105* | <<locked>> | 96% | 31,285 psi | 86% | 1535 fps | 94.5% |
| Vihtavuori N320² | <<locked>> | 68% | 32,489 psi | 90% | 1306 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 31,459 psi | 87% | 1217 fps | 100% |
| Vihtavuori N330² | <<locked>> | 68% | 31,473 psi | 87% | 1352 fps | 100% |
| Vihtavuori N340² | <<locked>> | 72% | 30,806 psi | 85% | 1368 fps | 100% |
| Vihtavuori N350 | <<locked>> | 80% | 30,966 psi | 85% | 1427 fps | 99.7% |
| Winchester AutoComp ² | <<locked>> | 76% | 32,242 psi | 89% | 1365 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% | 23,337 psi | 64% | 1234 fps | 99.5% |
| Accurate Solo 1000² | <<locked>> | 60% | 24,831 psi | 68% | 1171 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 20,842 psi | 57% | 1158 fps | 100% |
| ADI AP 100*² | <<locked>> | 68% | 17,448 psi | 48% | 1145 fps | 86.2% |
| ADI APS 350² | <<locked>> | 60% | 26,934 psi | 74% | 1099 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 25,222 psi | 70% | 1109 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 24,743 psi | 68% | 1142 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 26,411 psi | 73% | 1214 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 21,553 psi | 59% | 1165 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 26,832 psi | 74% | 1319 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 24,047 psi | 66% | 1178 fps | 100% |
| Alliant Herco² | 6.7 gr | 60% | 15,664 psi | 43% | 1076 fps | 97.7% |
| Alliant POWER PISTOL*² | <<locked>> | 60% | 20,102 psi | 55% | 1243 fps | 87.7% |
| Alliant RED DOT² | <<locked>> | 60% | 23,772 psi | 66% | 1142 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 21,002 psi | 58% | 1211 fps | 99.7% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 23,221 psi | 64% | 1158 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | 6.2 gr | 60% | 14,939 psi | 41% | 1007 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 25,295 psi | 70% | 1214 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 21,480 psi | 59% | 1043 fps | 100% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 7,919 psi | 22% | 748 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 25,034 psi | 69% | 1243 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 24,860 psi | 69% | 1263 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 19,943 psi | 55% | 1135 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 21,799 psi | 60% | 1178 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 22,640 psi | 62% | 1165 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 24,453 psi | 67% | 1178 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 27,528 psi | 76% | 1178 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 28,282 psi | 78% | 1270 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 7,266 psi | 20% | 735 fps | 98.2% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 19,464 psi | 54% | 1188 fps | 100% |
| ReloadSwiss RS 24*² | <<locked>> | 72% | 26,469 psi | 73% | 1388 fps | 86.4% |
| Rottweil P 806*² | <<locked>> | 60% | 14,330 psi | 40% | 1125 fps | 87.2% |
| SNPE Vectan A0² | <<locked>> | 60% | 19,827 psi | 55% | 1152 fps | 99.5% |
| SNPE Vectan A1² | <<locked>> | 60% | 24,860 psi | 69% | 1214 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 24,047 psi | 66% | 1217 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 28,108 psi | 78% | 1152 fps | 100% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 60% | 16,897 psi | 47% | 1112 fps | 91.8% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 23,685 psi | 65% | 1217 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 60% | 21,988 psi | 61% | 1306 fps | 91.5% |
| Somchem MP200² | <<locked>> | 60% | 24,308 psi | 67% | 1273 fps | 99.9% |
| Somchem MS200² | <<locked>> | 60% | 21,973 psi | 61% | 1207 fps | 100% |
| Somchem S221*² | <<locked>> | 60% | 26,701 psi | 74% | 1375 fps | 90.2% |
| Vihtavuori 3N37² | <<locked>> | 60% | 19,363 psi | 53% | 1198 fps | 95% |
| Vihtavuori 3N38* | <<locked>> | 84% | 26,339 psi | 73% | 1381 fps | 87.4% |
| Vihtavuori N105* | <<locked>> | 80% | 19,348 psi | 53% | 1276 fps | 85.3% |
| Vihtavuori N320² | <<locked>> | 60% | 25,498 psi | 70% | 1204 fps | 100% |
| Vihtavuori N32C Tin Star² | 4.8 gr | 60% | 12,981 psi | 36% | 896 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 24,976 psi | 69% | 1250 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 21,770 psi | 60% | 1211 fps | 99.9% |
| Vihtavuori N350*² | <<locked>> | 60% | 16,737 psi | 46% | 1129 fps | 93.2% |
| Winchester AutoComp ² | <<locked>> | 60% | 20,740 psi | 57% | 1168 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 51 powders for 9 x 25 Dillon loaded with the .357 | 125gr | Hornady FP XTP. Vihtavuori N105 delivers the highest muzzle velocity at 1,535 fps; across all powders the maximum-charge window runs from 1,010 fps to 1,535 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 11 of the 51 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (250 MPa), the top charges use 43–90 %, leaving at least 10 % 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. Alliant Herco, Baschieri & Pellagri 102 Pistol, Vihtavuori N32C Tin Star rank at the top here: for 9 x 25 Dillon with the .357 | 125gr | Hornady FP XTP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant POWER PISTOL, ReloadSwiss RS 24, Somchem S221 burn incompletely and react more sensitively to barrel length and temperature. ADI APS 350, ADI APS 450, Alliant Herco 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.