Load Specifications
Load data in caliber 9 x 25 Dillon with .355 | 115gr | Norma HP bullet and 53 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% | 28,950 psi | 80% | 1394 fps | 99.9% |
| Accurate Solo 1000² | <<locked>> | 72% | 32,372 psi | 89% | 1352 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 76% | 31,444 psi | 87% | 1404 fps | 100% |
| ADI AP 100* | <<locked>> | 92% | 30,879 psi | 85% | 1506 fps | 94.6% |
| ADI AP 70N² | <<locked>> | 64% | 32,343 psi | 89% | 1430 fps | 100% |
| ADI APS 350² | <<locked>> | 68% | 31,604 psi | 87% | 1227 fps | 100% |
| ADI APS 450² | <<locked>> | 68% | 30,037 psi | 83% | 1240 fps | 100% |
| ADI AS 30² | <<locked>> | 72% | 31,734 psi | 88% | 1312 fps | 100% |
| ADI AS 50N² | <<locked>> | 68% | 31,633 psi | 87% | 1358 fps | 100% |
| Alliant BE-86² | <<locked>> | 72% | 29,573 psi | 82% | 1365 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 68% | 32,387 psi | 89% | 1486 fps | 100% |
| Alliant Green Dot² | <<locked>> | 72% | 31,183 psi | 86% | 1355 fps | 100% |
| Alliant Herco | <<locked>> | 92% | 32,735 psi | 90% | 1493 fps | 100% |
| Alliant POWER PISTOL*² | <<locked>> | 76% | 30,864 psi | 85% | 1545 fps | 93.6% |
| Alliant RED DOT² | <<locked>> | 72% | 30,748 psi | 85% | 1319 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 76% | 31,125 psi | 86% | 1473 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 72% | 31,705 psi | 87% | 1352 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 92% | 32,343 psi | 89% | 1375 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 68% | 30,951 psi | 85% | 1365 fps | 100% |
| Hodgdon Clays | <<locked>> | 80% | 32,460 psi | 90% | 1273 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 16,273 psi | 45% | 1043 fps | 100% |
| Hodgdon Universal² | <<locked>> | 68% | 30,182 psi | 83% | 1398 fps | 100% |
| Lovex S020² | <<locked>> | 68% | 30,110 psi | 83% | 1417 fps | 100% |
| Maxam CSB 1 | <<locked>> | 80% | 31,865 psi | 88% | 1404 fps | 100% |
| Maxam CSB 2² | <<locked>> | 76% | 31,531 psi | 87% | 1404 fps | 100% |
| Maxam CSB 3² | <<locked>> | 72% | 30,081 psi | 83% | 1352 fps | 100% |
| Maxam CSB 4² | <<locked>> | 72% | 31,807 psi | 88% | 1355 fps | 100% |
| Maxam CSB 5² | <<locked>> | 68% | 32,576 psi | 90% | 1312 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 64% | 32,285 psi | 89% | 1490 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 64% | 30,124 psi | 83% | 1365 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 14,823 psi | 41% | 1043 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 76% | 29,979 psi | 83% | 1453 fps | 100% |
| ReloadSwiss RS 24* | <<locked>> | 80% | 32,184 psi | 89% | 1562 fps | 88.4% |
| Rottweil P 806 | <<locked>> | 84% | 30,821 psi | 85% | 1575 fps | 98% |
| SNPE Vectan A0 | <<locked>> | 80% | 32,097 psi | 89% | 1444 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 68% | 29,689 psi | 82% | 1358 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 72% | 32,053 psi | 88% | 1414 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 64% | 30,792 psi | 85% | 1250 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 84% | 31,401 psi | 87% | 1483 fps | 98.6% |
| SNPE Vectan BA9 1/2² | <<locked>> | 72% | 31,372 psi | 87% | 1407 fps | 100% |
| SNPE Vectan SP 2² | <<locked>> | 72% | 30,734 psi | 85% | 1558 fps | 95.4% |
| Somchem MP200² | <<locked>> | 72% | 32,793 psi | 90% | 1490 fps | 100% |
| Somchem MS200² | <<locked>> | 76% | 32,532 psi | 90% | 1463 fps | 100% |
| Somchem S221*² | <<locked>> | 64% | 29,037 psi | 80% | 1480 fps | 90.1% |
| Vihtavuori 3N37² | <<locked>> | 76% | 30,139 psi | 83% | 1483 fps | 98.9% |
| Vihtavuori 3N38* | <<locked>> | 92% | 30,835 psi | 85% | 1532 fps | 88.6% |
| Vihtavuori N105*ᴾ | <<locked>> | 100% | 32,343 psi | 89% | 1621 fps | 93.6% |
| Vihtavuori N320² | <<locked>> | 68% | 30,734 psi | 85% | 1348 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 29,892 psi | 82% | 1260 fps | 100% |
| Vihtavuori N330² | <<locked>> | 68% | 30,284 psi | 84% | 1404 fps | 100% |
| Vihtavuori N340² | <<locked>> | 76% | 32,489 psi | 90% | 1463 fps | 100% |
| Vihtavuori N350 | <<locked>> | 84% | 32,169 psi | 89% | 1516 fps | 99.5% |
| Winchester AutoComp ² | <<locked>> | 76% | 30,458 psi | 84% | 1407 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% | 22,640 psi | 62% | 1276 fps | 98.7% |
| Accurate Solo 1000² | <<locked>> | 60% | 23,685 psi | 65% | 1214 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 20,204 psi | 56% | 1204 fps | 100% |
| ADI AP 100*² | <<locked>> | 72% | 18,333 psi | 51% | 1220 fps | 85.5% |
| ADI AP 70N² | <<locked>> | 60% | 28,790 psi | 79% | 1375 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 26,005 psi | 72% | 1142 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 24,947 psi | 69% | 1158 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 23,641 psi | 65% | 1181 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 25,135 psi | 69% | 1253 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 20,827 psi | 57% | 1211 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 26,020 psi | 72% | 1371 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 23,525 psi | 65% | 1227 fps | 100% |
| Alliant Herco² | 6.7 gr | 60% | 14,750 psi | 41% | 1099 fps | 95.9% |
| Alliant POWER PISTOL*² | <<locked>> | 64% | 21,567 psi | 59% | 1335 fps | 87.3% |
| Alliant RED DOT² | <<locked>> | 60% | 22,640 psi | 62% | 1184 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 20,262 psi | 56% | 1253 fps | 99.1% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 22,655 psi | 62% | 1207 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | 6.3 gr | 60% | 14,475 psi | 40% | 1047 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 24,366 psi | 67% | 1260 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 20,653 psi | 57% | 1083 fps | 100% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 7,513 psi | 21% | 768 fps | 99.8% |
| Hodgdon Universal² | <<locked>> | 60% | 24,250 psi | 67% | 1293 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 23,322 psi | 64% | 1296 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 18,855 psi | 52% | 1168 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 20,392 psi | 56% | 1211 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 22,075 psi | 61% | 1214 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 23,235 psi | 64% | 1217 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 26,281 psi | 72% | 1217 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 28,456 psi | 78% | 1424 fps | 99.9% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 27,325 psi | 75% | 1322 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 7,136 psi | 20% | 764 fps | 97.1% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 18,637 psi | 51% | 1227 fps | 99.6% |
| ReloadSwiss RS 24*² | <<locked>> | 76% | 28,181 psi | 78% | 1483 fps | 85.9% |
| Rottweil P 806*² | <<locked>> | 64% | 15,374 psi | 42% | 1211 fps | 86.9% |
| SNPE Vectan A0² | <<locked>> | 60% | 18,753 psi | 52% | 1181 fps | 98.5% |
| SNPE Vectan A1² | <<locked>> | 60% | 23,598 psi | 65% | 1253 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 22,785 psi | 63% | 1253 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 27,804 psi | 77% | 1204 fps | 100% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 60% | 15,925 psi | 44% | 1132 fps | 89.2% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 22,423 psi | 62% | 1250 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 60% | 20,798 psi | 57% | 1335 fps | 88.9% |
| Somchem MP200² | <<locked>> | 60% | 23,467 psi | 65% | 1316 fps | 99.4% |
| Somchem MS200² | <<locked>> | 60% | 21,321 psi | 59% | 1250 fps | 99.8% |
| Somchem S221*² | <<locked>> | 60% | 24,976 psi | 69% | 1394 fps | 87.3% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 18,478 psi | 51% | 1227 fps | 93% |
| Vihtavuori 3N38* | <<locked>> | 88% | 27,456 psi | 76% | 1463 fps | 86.4% |
| Vihtavuori N105* | <<locked>> | 88% | 23,003 psi | 63% | 1424 fps | 87.1% |
| Vihtavuori N320² | <<locked>> | 60% | 24,758 psi | 68% | 1253 fps | 100% |
| Vihtavuori N32C Tin Star² | 4.9 gr | 60% | 12,647 psi | 35% | 938 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 23,380 psi | 64% | 1286 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 20,479 psi | 56% | 1240 fps | 99.4% |
| Vihtavuori N350*² | <<locked>> | 60% | 15,998 psi | 44% | 1158 fps | 91% |
| Winchester AutoComp ² | <<locked>> | 60% | 19,580 psi | 54% | 1201 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 53 powders for 9 x 25 Dillon loaded with the .355 | 115gr | Norma HP. Vihtavuori N105 delivers the highest muzzle velocity at 1,621 fps; across all powders the maximum-charge window runs from 1,043 fps to 1,621 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 15 of the 53 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (250 MPa), the top charges use 41–90 %, 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 | Norma HP 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.