Load Specifications
Load data in caliber 9 mm Para with .355 | 116gr | Norma SPFN bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant UNIQUE, ReloadSwiss RS 20 and Hodgdon Universal.
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: 4"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2 | <<locked>> | 84% | 29,399 psi | 86% | 1132 fps | 95.6% |
| Accurate Solo 1000 | <<locked>> | 84% | 29,762 psi | 87% | 1093 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 92% | 29,834 psi | 88% | 1148 fps | 100% |
| ADI AP 70N² | <<locked>> | 76% | 28,703 psi | 84% | 1152 fps | 100% |
| ADI APS 350 | <<locked>> | 80% | 30,414 psi | 89% | 997 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 29,979 psi | 88% | 1027 fps | 100% |
| ADI AS 30 | <<locked>> | 84% | 28,805 psi | 85% | 1063 fps | 100% |
| ADI AS 50N | <<locked>> | 84% | 30,676 psi | 90% | 1125 fps | 100% |
| Alliant BE-86 | <<locked>> | 92% | 30,124 psi | 88% | 1148 fps | 100% |
| Alliant BULLSEYE | <<locked>> | 80% | 29,153 psi | 86% | 1181 fps | 98.5% |
| Alliant Green Dot | <<locked>> | 88% | 30,197 psi | 89% | 1122 fps | 100% |
| Alliant Hercoᴾ | <<locked>> | 100% | 24,004 psi | 70% | 1106 fps | 96% |
| Alliant RED DOT | <<locked>> | 88% | 30,284 psi | 89% | 1099 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 76% | 30,458 psi | 89% | 1198 fps | 98.4% |
| Alliant UNIQUE | <<locked>> | 92% | 27,615 psi | 81% | 1168 fps | 97.6% |
| Baschieri & Pellagri 100 | <<locked>> | 88% | 30,023 psi | 88% | 1106 fps | 100% |
| Baschieri & Pellagri 102 Pistolᴾ | <<locked>> | 100% | 23,786 psi | 70% | 1050 fps | 100% |
| Baschieri & Pellagri 103 Pistol | <<locked>> | 84% | 30,748 psi | 90% | 1142 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 68% | 30,618 psi | 90% | 1175 fps | 100% |
| Hodgdon Clays | <<locked>> | 88% | 28,355 psi | 83% | 1007 fps | 100% |
| Hodgdon HP38² | <<locked>> | 64% | 28,877 psi | 85% | 1122 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 76% | 29,124 psi | 85% | 1178 fps | 89.2% |
| Hodgdon Longshot*² | <<locked>> | 72% | 27,920 psi | 82% | 1165 fps | 90.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 9,848 psi | 29% | 732 fps | 98.6% |
| Hodgdon Universal | <<locked>> | 84% | 28,703 psi | 84% | 1152 fps | 100% |
| Lovex S011² | <<locked>> | 72% | 28,311 psi | 83% | 1096 fps | 100% |
| Lovex S020 | <<locked>> | 84% | 29,182 psi | 86% | 1161 fps | 99.2% |
| Maxam CSB 1 | <<locked>> | 96% | 29,051 psi | 85% | 1135 fps | 100% |
| Maxam CSB 2 | <<locked>> | 96% | 30,560 psi | 90% | 1181 fps | 100% |
| Maxam CSB 3 | <<locked>> | 88% | 28,950 psi | 85% | 1119 fps | 100% |
| Maxam CSB 4 | <<locked>> | 84% | 28,718 psi | 84% | 1099 fps | 100% |
| Maxam CSB 5 | <<locked>> | 80% | 29,341 psi | 86% | 1063 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 76% | 29,109 psi | 85% | 1178 fps | 96.2% |
| Ramshot True Blue*² | <<locked>> | 72% | 29,689 psi | 87% | 1184 fps | 91.8% |
| Ramshot Zip² | <<locked>> | 64% | 28,921 psi | 85% | 1129 fps | 100% |
| ReloadSwiss RS 12 | <<locked>> | 80% | 27,427 psi | 80% | 1132 fps | 100% |
| ReloadSwiss RS 14*ᴾ | <<locked>> | 100% | 8,992 psi | 26% | 722 fps | 94.1% |
| ReloadSwiss RS 20 | <<locked>> | 96% | 28,529 psi | 84% | 1198 fps | 99.3% |
| Rottweil P 801² | <<locked>> | 76% | 29,907 psi | 88% | 1125 fps | 100% |
| SNPE Vectan A0 | <<locked>> | 96% | 30,690 psi | 90% | 1165 fps | 98.2% |
| SNPE Vectan A1 | <<locked>> | 84% | 30,211 psi | 89% | 1135 fps | 100% |
| SNPE Vectan BA 9 | <<locked>> | 84% | 29,138 psi | 85% | 1129 fps | 99.7% |
| SNPE Vectan BA10² | <<locked>> | 76% | 29,965 psi | 88% | 1027 fps | 100% |
| SNPE Vectan BA7 1/2*ᴾ | <<locked>> | 100% | 28,065 psi | 82% | 1148 fps | 89.9% |
| SNPE Vectan BA9 1/2 | <<locked>> | 88% | 29,457 psi | 86% | 1148 fps | 100% |
| Somchem MP200 | <<locked>> | 88% | 30,806 psi | 90% | 1198 fps | 97.6% |
| Somchem MS200 | <<locked>> | 92% | 30,618 psi | 90% | 1178 fps | 99% |
| Vihtavuori 3N37* | <<locked>> | 96% | 30,255 psi | 89% | 1211 fps | 92.5% |
| Vihtavuori N310² | <<locked>> | 68% | 30,632 psi | 90% | 1050 fps | 100% |
| Vihtavuori N320 | <<locked>> | 84% | 29,327 psi | 86% | 1119 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 18,463 psi | 54% | 919 fps | 100% |
| Vihtavuori N330 | <<locked>> | 88% | 30,168 psi | 89% | 1181 fps | 100% |
| Vihtavuori N340 | <<locked>> | 92% | 30,487 psi | 89% | 1178 fps | 98.5% |
| Vihtavuori N350*ᴾ | <<locked>> | 100% | 28,529 psi | 84% | 1181 fps | 92% |
| Winchester 231² | <<locked>> | 72% | 28,921 psi | 85% | 1129 fps | 100% |
| Winchester 572*² | <<locked>> | 64% | 27,325 psi | 80% | 1161 fps | 89.6% |
| Winchester AutoComp | <<locked>> | 92% | 27,818 psi | 82% | 1135 fps | 99.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 4"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2*² | <<locked>> | 64% | 16,128 psi | 47% | 902 fps | 86.3% |
| Accurate Solo 1000² | <<locked>> | 60% | 16,346 psi | 48% | 883 fps | 99.9% |
| Accurate Solo 1250*² | <<locked>> | 60% | 12,285 psi | 36% | 823 fps | 92.3% |
| ADI AP 70N² | <<locked>> | 60% | 18,492 psi | 54% | 981 fps | 98.3% |
| ADI APS 350² | <<locked>> | 60% | 19,624 psi | 58% | 860 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 17,883 psi | 52% | 860 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 16,288 psi | 48% | 869 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 17,303 psi | 51% | 919 fps | 99.9% |
| Alliant BE-86² | <<locked>> | 60% | 12,444 psi | 37% | 833 fps | 95.3% |
| Alliant BULLSEYE*² | <<locked>> | 60% | 16,839 psi | 49% | 948 fps | 91.5% |
| Alliant Green Dot² | <<locked>> | 60% | 15,345 psi | 45% | 876 fps | 99.5% |
| Alliant Herco*² | <<locked>> | 72% | 12,633 psi | 37% | 850 fps | 85.3% |
| Alliant RED DOT² | <<locked>> | 60% | 15,331 psi | 45% | 866 fps | 100% |
| Alliant Sport Pistol*² | <<locked>> | 60% | 18,869 psi | 55% | 994 fps | 92.4% |
| Alliant UNIQUE*² | 3.7 gr | 64% | 13,735 psi | 40% | 883 fps | 86.9% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 14,286 psi | 42% | 850 fps | 98.2% |
| Baschieri & Pellagri 102 Pistol*² | <<locked>> | 60% | 8,673 psi | 25% | 722 fps | 94.2% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 14,721 psi | 43% | 889 fps | 99.1% |
| Hodgdon CFE Pistol² | <<locked>> | 60% | 23,090 psi | 68% | 1063 fps | 98.8% |
| Hodgdon Clays² | <<locked>> | 60% | 15,040 psi | 44% | 807 fps | 100% |
| Hodgdon HP38² | <<locked>> | 60% | 25,396 psi | 75% | 1073 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 72% | 25,237 psi | 74% | 1115 fps | 86.7% |
| Hodgdon Longshot*² | <<locked>> | 64% | 21,495 psi | 63% | 1053 fps | 86.2% |
| Hodgdon TrailBoss*² | <<locked>> | 60% | 4,830 psi | 14% | 525 fps | 88.2% |
| Hodgdon Universal² | 3.5 gr | 60% | 15,214 psi | 45% | 906 fps | 96.2% |
| Lovex S011² | <<locked>> | 60% | 20,204 psi | 59% | 971 fps | 99.3% |
| Lovex S020*² | <<locked>> | 60% | 14,228 psi | 42% | 886 fps | 90.5% |
| Maxam CSB 1*² | <<locked>> | 60% | 11,893 psi | 35% | 804 fps | 91.8% |
| Maxam CSB 2² | <<locked>> | 60% | 11,385 psi | 33% | 837 fps | 96.7% |
| Maxam CSB 3² | <<locked>> | 60% | 13,851 psi | 41% | 853 fps | 97.8% |
| Maxam CSB 4² | <<locked>> | 60% | 15,708 psi | 46% | 889 fps | 99.9% |
| Maxam CSB 5² | <<locked>> | 60% | 17,172 psi | 50% | 889 fps | 100% |
| Ramshot Silhouette*² | <<locked>> | 60% | 17,332 psi | 51% | 965 fps | 88.2% |
| Ramshot True Blue*² | <<locked>> | 64% | 22,960 psi | 67% | 1076 fps | 87.5% |
| Ramshot Zip² | <<locked>> | 60% | 25,440 psi | 75% | 1079 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 15,273 psi | 45% | 928 fps | 100% |
| ReloadSwiss RS 14*² | <<locked>> | 72% | 5,584 psi | 16% | 574 fps | 85.3% |
| ReloadSwiss RS 20*² | 3.9 gr | 64% | 12,386 psi | 36% | 860 fps | 87% |
| Rottweil P 801² | <<locked>> | 60% | 18,869 psi | 55% | 968 fps | 100% |
| SNPE Vectan A0*² | <<locked>> | 64% | 13,692 psi | 40% | 846 fps | 86.5% |
| SNPE Vectan A1² | <<locked>> | 60% | 15,969 psi | 47% | 896 fps | 97.4% |
| SNPE Vectan BA 9*² | <<locked>> | 60% | 15,273 psi | 45% | 883 fps | 93.4% |
| SNPE Vectan BA10² | <<locked>> | 60% | 20,059 psi | 59% | 896 fps | 100% |
| SNPE Vectan BA7 1/2* | <<locked>> | 92% | 23,438 psi | 69% | 1073 fps | 86.9% |
| SNPE Vectan BA9 1/2*² | <<locked>> | 60% | 14,272 psi | 42% | 873 fps | 94.2% |
| Somchem MP200*² | <<locked>> | 60% | 14,591 psi | 43% | 892 fps | 86.2% |
| Somchem MS200*² | <<locked>> | 60% | 13,329 psi | 39% | 846 fps | 87.7% |
| Vihtavuori 3N37* | <<locked>> | 84% | 21,321 psi | 63% | 1063 fps | 86.6% |
| Vihtavuori N310² | <<locked>> | 60% | 24,772 psi | 73% | 981 fps | 100% |
| Vihtavuori N320² | <<locked>> | 60% | 14,779 psi | 43% | 886 fps | 99.8% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 7,629 psi | 22% | 666 fps | 99.3% |
| Vihtavuori N330² | <<locked>> | 60% | 13,039 psi | 38% | 876 fps | 95% |
| Vihtavuori N340*² | <<locked>> | 64% | 14,156 psi | 42% | 879 fps | 87.9% |
| Vihtavuori N350* | <<locked>> | 88% | 20,610 psi | 60% | 1047 fps | 86.3% |
| Winchester 231² | <<locked>> | 60% | 20,320 psi | 60% | 994 fps | 99.3% |
| Winchester 572*² | <<locked>> | 60% | 24,323 psi | 71% | 1109 fps | 87.5% |
| Winchester AutoComp *² | <<locked>> | 60% | 12,067 psi | 35% | 820 fps | 90.4% |
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 57 powders for 9 mm Para loaded with the .355 | 116gr | Norma SPFN. Vihtavuori 3N37 delivers the highest muzzle velocity at 1,211 fps; across all powders the maximum-charge window runs from 722 fps to 1,211 fps. Alliant Herco gives the best case fill at 100 %, and 42 of the 57 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (235 MPa), the top charges use 26–90 %, leaving at least 10 % headroom. Alliant Herco, Baschieri & Pellagri 102 Pistol, Hodgdon TrailBoss 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 UNIQUE, ReloadSwiss RS 20, Hodgdon Universal rank at the top here: for 9 mm Para with the .355 | 116gr | Norma SPFN they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Hodgdon HS-6, Hodgdon Longshot, Ramshot True Blue burn incompletely and react more sensitively to barrel length and temperature. Accurate No. 2, Accurate Solo 1000, Accurate Solo 1250 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.