Load Specifications
Load data in caliber 9 x 25 Dillon with .355 | 115gr | Geco HOLLOW POINT bullet and 55 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>> | 72% | 31,981 psi | 88% | 1440 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 72% | 32,010 psi | 88% | 1342 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 76% | 30,472 psi | 84% | 1385 fps | 100% |
| ADI AP 100* | <<locked>> | 92% | 30,458 psi | 84% | 1490 fps | 94.1% |
| ADI AP 70N² | <<locked>> | 64% | 32,082 psi | 88% | 1421 fps | 100% |
| ADI APS 350² | <<locked>> | 68% | 31,067 psi | 86% | 1211 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 32,808 psi | 90% | 1273 fps | 100% |
| ADI AS 30² | <<locked>> | 72% | 31,314 psi | 86% | 1299 fps | 100% |
| ADI AS 50N² | <<locked>> | 68% | 30,487 psi | 84% | 1335 fps | 100% |
| Alliant BE-86² | <<locked>> | 76% | 32,256 psi | 89% | 1398 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 68% | 32,140 psi | 89% | 1473 fps | 100% |
| Alliant Green Dot² | <<locked>> | 72% | 30,835 psi | 85% | 1345 fps | 100% |
| Alliant Herco | <<locked>> | 92% | 32,140 psi | 89% | 1476 fps | 100% |
| Alliant POWER PISTOL*² | <<locked>> | 76% | 30,284 psi | 84% | 1526 fps | 93.1% |
| Alliant RED DOT² | <<locked>> | 76% | 32,692 psi | 90% | 1339 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 64% | 32,735 psi | 90% | 1486 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 76% | 30,284 psi | 84% | 1453 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 72% | 30,647 psi | 85% | 1332 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 92% | 31,662 psi | 87% | 1362 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 68% | 30,458 psi | 84% | 1352 fps | 100% |
| Hodgdon Clays | <<locked>> | 80% | 32,169 psi | 89% | 1260 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 64% | 31,720 psi | 87% | 1499 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 15,882 psi | 44% | 1030 fps | 100% |
| Hodgdon Universal² | <<locked>> | 68% | 29,182 psi | 80% | 1375 fps | 100% |
| Lovex S020² | <<locked>> | 68% | 29,863 psi | 82% | 1407 fps | 100% |
| Maxam CSB 1 | <<locked>> | 80% | 31,691 psi | 87% | 1398 fps | 100% |
| Maxam CSB 2² | <<locked>> | 76% | 31,270 psi | 86% | 1394 fps | 100% |
| Maxam CSB 3² | <<locked>> | 76% | 32,808 psi | 90% | 1388 fps | 100% |
| Maxam CSB 4² | <<locked>> | 72% | 31,444 psi | 87% | 1345 fps | 100% |
| Maxam CSB 5² | <<locked>> | 68% | 32,111 psi | 89% | 1299 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 64% | 31,618 psi | 87% | 1473 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 64% | 29,762 psi | 82% | 1355 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 14,475 psi | 40% | 1030 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 80% | 32,750 psi | 90% | 1490 fps | 100% |
| ReloadSwiss RS 24* | <<locked>> | 80% | 31,314 psi | 86% | 1539 fps | 87.6% |
| Rottweil P 806 | <<locked>> | 84% | 29,501 psi | 81% | 1549 fps | 97.5% |
| SNPE Vectan A0 | <<locked>> | 80% | 31,386 psi | 87% | 1427 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 72% | 32,300 psi | 89% | 1391 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 72% | 31,285 psi | 86% | 1398 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 64% | 30,400 psi | 84% | 1237 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 84% | 30,371 psi | 84% | 1460 fps | 98.2% |
| SNPE Vectan BA9 1/2² | <<locked>> | 72% | 30,458 psi | 84% | 1391 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 72% | 30,110 psi | 83% | 1535 fps | 94.9% |
| Somchem MP200² | <<locked>> | 72% | 32,024 psi | 88% | 1473 fps | 100% |
| Somchem MS200² | <<locked>> | 76% | 32,401 psi | 89% | 1453 fps | 100% |
| Somchem S221*² | <<locked>> | 68% | 32,126 psi | 89% | 1535 fps | 91.6% |
| Vihtavuori 3N37² | <<locked>> | 76% | 29,573 psi | 82% | 1467 fps | 98.6% |
| Vihtavuori 3N38* | <<locked>> | 92% | 29,979 psi | 83% | 1506 fps | 87.8% |
| Vihtavuori N105*ᴾ | <<locked>> | 100% | 31,372 psi | 87% | 1598 fps | 92.8% |
| Vihtavuori N320² | <<locked>> | 68% | 30,327 psi | 84% | 1335 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 29,675 psi | 82% | 1253 fps | 100% |
| Vihtavuori N330² | <<locked>> | 68% | 29,240 psi | 81% | 1381 fps | 100% |
| Vihtavuori N340² | <<locked>> | 76% | 31,691 psi | 87% | 1444 fps | 100% |
| Vihtavuori N350 | <<locked>> | 84% | 31,560 psi | 87% | 1496 fps | 99.2% |
| Winchester AutoComp ² | <<locked>> | 76% | 29,805 psi | 82% | 1391 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% | 22,307 psi | 62% | 1263 fps | 98.4% |
| Accurate Solo 1000² | <<locked>> | 60% | 23,177 psi | 64% | 1198 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 19,783 psi | 55% | 1191 fps | 100% |
| ADI AP 100*² | <<locked>> | 72% | 18,217 psi | 50% | 1211 fps | 85.1% |
| ADI AP 70N² | <<locked>> | 60% | 28,500 psi | 79% | 1362 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 25,353 psi | 70% | 1125 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 24,468 psi | 67% | 1145 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 23,047 psi | 64% | 1165 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 24,671 psi | 68% | 1240 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 20,552 psi | 57% | 1198 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 25,672 psi | 71% | 1358 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 23,032 psi | 64% | 1214 fps | 100% |
| Alliant Herco² | 6.5 gr | 60% | 14,475 psi | 40% | 1086 fps | 95.5% |
| Alliant POWER PISTOL*² | <<locked>> | 64% | 21,437 psi | 59% | 1329 fps | 87% |
| Alliant RED DOT² | <<locked>> | 60% | 22,713 psi | 63% | 1178 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 60% | 28,369 psi | 78% | 1411 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 19,928 psi | 55% | 1240 fps | 98.9% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 22,220 psi | 61% | 1191 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | 6.1 gr | 60% | 14,127 psi | 39% | 1033 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 23,801 psi | 66% | 1247 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 20,102 psi | 55% | 1066 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 60% | 27,514 psi | 76% | 1421 fps | 96.3% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 7,397 psi | 20% | 761 fps | 99.7% |
| Hodgdon Universal² | <<locked>> | 60% | 23,235 psi | 64% | 1270 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 22,989 psi | 63% | 1283 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 18,434 psi | 51% | 1152 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 19,914 psi | 55% | 1198 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 21,596 psi | 60% | 1201 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 22,742 psi | 63% | 1204 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 25,715 psi | 71% | 1204 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 27,760 psi | 77% | 1404 fps | 99.8% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 26,194 psi | 72% | 1296 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 7,034 psi | 19% | 758 fps | 96.9% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 17,796 psi | 49% | 1201 fps | 99.3% |
| ReloadSwiss RS 24*² | <<locked>> | 76% | 27,847 psi | 77% | 1470 fps | 85.4% |
| Rottweil P 806*² | <<locked>> | 64% | 14,678 psi | 40% | 1184 fps | 85.7% |
| SNPE Vectan A0² | <<locked>> | 60% | 18,434 psi | 51% | 1168 fps | 98.2% |
| SNPE Vectan A1² | <<locked>> | 60% | 23,380 psi | 64% | 1243 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 22,510 psi | 62% | 1243 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 27,369 psi | 75% | 1194 fps | 100% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 60% | 15,751 psi | 43% | 1122 fps | 88.8% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 22,060 psi | 61% | 1240 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 60% | 20,160 psi | 56% | 1316 fps | 88.1% |
| Somchem MP200² | <<locked>> | 60% | 22,669 psi | 63% | 1293 fps | 99.2% |
| Somchem MS200² | <<locked>> | 60% | 21,016 psi | 58% | 1240 fps | 99.7% |
| Somchem S221*² | <<locked>> | 60% | 24,569 psi | 68% | 1378 fps | 86.8% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 17,883 psi | 49% | 1207 fps | 92.2% |
| Vihtavuori 3N38* | <<locked>> | 88% | 26,600 psi | 73% | 1440 fps | 85.6% |
| Vihtavuori N105* | <<locked>> | 88% | 22,147 psi | 61% | 1398 fps | 86.1% |
| Vihtavuori N320² | <<locked>> | 60% | 24,236 psi | 67% | 1240 fps | 100% |
| Vihtavuori N32C Tin Star² | 4.7 gr | 60% | 12,198 psi | 34% | 922 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 23,003 psi | 63% | 1276 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 20,146 psi | 56% | 1227 fps | 99.2% |
| Vihtavuori N350*² | <<locked>> | 60% | 15,374 psi | 42% | 1135 fps | 90.1% |
| Winchester AutoComp ² | <<locked>> | 60% | 19,305 psi | 53% | 1191 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 55 powders for 9 x 25 Dillon loaded with the .355 | 115gr | Geco HOLLOW POINT. Vihtavuori N105 delivers the highest muzzle velocity at 1,598 fps; across all powders the maximum-charge window runs from 1,030 fps to 1,598 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 16 of the 55 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (250 MPa), the top charges use 40–90 %, 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. Alliant Herco, Baschieri & Pellagri 102 Pistol, Vihtavuori N32C Tin Star rank at the top here: for 9 x 25 Dillon with the .355 | 115gr | Geco HOLLOW POINT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AP 100, Alliant POWER PISTOL, ReloadSwiss RS 24 burn incompletely and react more sensitively to barrel length and temperature. Alliant Herco, Baschieri & Pellagri 102 Pistol, Hodgdon Clays 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.