Load Specifications
Load data in caliber 9 mm Para with .356 | 123gr | LOS RN bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 20, Alliant UNIQUE and Maxam CSB 2.
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>> | 80% | 27,963 psi | 82% | 1056 fps | 95.3% |
| Accurate Solo 1000 | <<locked>> | 80% | 28,979 psi | 85% | 1027 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 88% | 28,819 psi | 85% | 1073 fps | 100% |
| ADI AP 70N² | <<locked>> | 72% | 28,529 psi | 84% | 1083 fps | 100% |
| ADI APS 350² | <<locked>> | 76% | 29,994 psi | 88% | 938 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 30,037 psi | 88% | 971 fps | 100% |
| ADI AS 30 | <<locked>> | 80% | 28,413 psi | 83% | 994 fps | 100% |
| ADI AS 50N | <<locked>> | 80% | 30,792 psi | 90% | 1063 fps | 100% |
| Alliant BE-86 | <<locked>> | 88% | 30,081 psi | 88% | 1086 fps | 100% |
| Alliant BULLSEYE | <<locked>> | 80% | 30,443 psi | 89% | 1135 fps | 99% |
| Alliant Green Dot | <<locked>> | 84% | 30,298 psi | 89% | 1060 fps | 100% |
| Alliant Hercoᴾ | <<locked>> | 100% | 25,628 psi | 75% | 1066 fps | 97% |
| Alliant RED DOT | <<locked>> | 84% | 28,514 psi | 84% | 1014 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 72% | 28,152 psi | 83% | 1102 fps | 97.9% |
| Alliant UNIQUE | <<locked>> | 92% | 30,023 psi | 88% | 1138 fps | 98.5% |
| Baschieri & Pellagri 100 | <<locked>> | 84% | 30,153 psi | 88% | 1047 fps | 100% |
| Baschieri & Pellagri 102 Pistolᴾ | <<locked>> | 100% | 25,933 psi | 76% | 1020 fps | 100% |
| Baschieri & Pellagri 103 Pistol | <<locked>> | 80% | 29,225 psi | 86% | 1066 fps | 100% |
| Hodgdon CFE Pistol² | <<locked>> | 64% | 28,297 psi | 83% | 1083 fps | 99.9% |
| Hodgdon Clays | <<locked>> | 88% | 29,994 psi | 88% | 971 fps | 100% |
| Hodgdon HP38² | <<locked>> | 64% | 30,400 psi | 89% | 1079 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 72% | 26,789 psi | 79% | 1083 fps | 88.2% |
| Hodgdon Longshot*² | <<locked>> | 72% | 29,559 psi | 87% | 1129 fps | 92% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 12,299 psi | 36% | 738 fps | 99.9% |
| Hodgdon Universal | <<locked>> | 80% | 28,529 psi | 84% | 1083 fps | 100% |
| Lovex S011² | <<locked>> | 72% | 29,153 psi | 86% | 1050 fps | 100% |
| Lovex S020 | <<locked>> | 80% | 27,557 psi | 81% | 1076 fps | 99% |
| Maxam CSB 1 | <<locked>> | 96% | 30,806 psi | 90% | 1096 fps | 100% |
| Maxam CSB 2 | <<locked>> | 92% | 30,414 psi | 89% | 1115 fps | 100% |
| Maxam CSB 3 | <<locked>> | 88% | 30,269 psi | 89% | 1073 fps | 100% |
| Maxam CSB 4 | <<locked>> | 84% | 29,718 psi | 87% | 1050 fps | 100% |
| Maxam CSB 5² | <<locked>> | 76% | 28,529 psi | 84% | 994 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 76% | 30,298 psi | 89% | 1135 fps | 97% |
| Ramshot True Blue*² | <<locked>> | 68% | 28,050 psi | 82% | 1099 fps | 91.3% |
| Ramshot Zip² | <<locked>> | 64% | 30,516 psi | 90% | 1086 fps | 100% |
| ReloadSwiss RS 12 | <<locked>> | 80% | 29,950 psi | 88% | 1096 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 11,139 psi | 33% | 722 fps | 97.3% |
| ReloadSwiss RS 20 | <<locked>> | 96% | 30,763 psi | 90% | 1165 fps | 99.8% |
| Rottweil P 801² | <<locked>> | 72% | 29,704 psi | 87% | 1056 fps | 100% |
| SNPE Vectan A0 | <<locked>> | 92% | 29,051 psi | 85% | 1079 fps | 98% |
| SNPE Vectan A1 | <<locked>> | 84% | 30,676 psi | 90% | 1079 fps | 100% |
| SNPE Vectan BA 9 | <<locked>> | 84% | 29,515 psi | 87% | 1073 fps | 99.9% |
| SNPE Vectan BA10² | <<locked>> | 72% | 28,572 psi | 84% | 955 fps | 100% |
| SNPE Vectan BA7 1/2*ᴾ | <<locked>> | 100% | 29,718 psi | 87% | 1112 fps | 91.3% |
| SNPE Vectan BA9 1/2 | <<locked>> | 84% | 28,848 psi | 85% | 1079 fps | 100% |
| Somchem MP200 | <<locked>> | 84% | 29,718 psi | 87% | 1119 fps | 97.4% |
| Somchem MS200 | <<locked>> | 88% | 30,240 psi | 89% | 1112 fps | 99.1% |
| Vihtavuori 3N37* | <<locked>> | 92% | 28,224 psi | 83% | 1122 fps | 91.9% |
| Vihtavuori N310² | <<locked>> | 64% | 28,747 psi | 84% | 968 fps | 100% |
| Vihtavuori N320 | <<locked>> | 80% | 28,442 psi | 83% | 1047 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 24,062 psi | 71% | 935 fps | 100% |
| Vihtavuori N330 | <<locked>> | 84% | 27,340 psi | 80% | 1083 fps | 100% |
| Vihtavuori N340 | <<locked>> | 88% | 29,414 psi | 86% | 1106 fps | 98.4% |
| Vihtavuori N350* | <<locked>> | 96% | 28,398 psi | 83% | 1122 fps | 92.3% |
| Winchester 231² | <<locked>> | 72% | 30,516 psi | 90% | 1086 fps | 100% |
| Winchester 572*² | <<locked>> | 64% | 29,762 psi | 87% | 1135 fps | 91.4% |
| Winchester AutoComp | <<locked>> | 92% | 30,284 psi | 89% | 1106 fps | 100% |
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>> | 60% | 16,070 psi | 47% | 846 fps | 86.8% |
| Accurate Solo 1000² | <<locked>> | 60% | 17,506 psi | 51% | 850 fps | 100% |
| Accurate Solo 1250*² | <<locked>> | 60% | 13,880 psi | 41% | 807 fps | 94.6% |
| ADI AP 70N² | <<locked>> | 60% | 20,044 psi | 59% | 948 fps | 99.1% |
| ADI APS 350² | <<locked>> | 60% | 20,233 psi | 59% | 817 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 19,812 psi | 58% | 840 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 17,782 psi | 52% | 837 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 19,072 psi | 56% | 892 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 14,431 psi | 42% | 827 fps | 97.5% |
| Alliant BULLSEYE*² | <<locked>> | 60% | 18,405 psi | 54% | 928 fps | 93.4% |
| Alliant Green Dot² | <<locked>> | 60% | 16,940 psi | 50% | 850 fps | 99.9% |
| Alliant Herco*² | <<locked>> | 64% | 12,154 psi | 36% | 774 fps | 85.1% |
| Alliant RED DOT² | <<locked>> | 60% | 16,810 psi | 49% | 833 fps | 100% |
| Alliant Sport Pistol*² | <<locked>> | 60% | 20,711 psi | 61% | 974 fps | 94.2% |
| Alliant UNIQUE*² | 3.3 gr | 60% | 14,489 psi | 43% | 843 fps | 88.4% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 15,867 psi | 47% | 827 fps | 99.2% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 10,457 psi | 31% | 722 fps | 97.2% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 16,433 psi | 48% | 869 fps | 99.8% |
| Hodgdon CFE Pistol² | <<locked>> | 60% | 25,135 psi | 74% | 1033 fps | 99.5% |
| Hodgdon Clays² | <<locked>> | 60% | 15,882 psi | 47% | 771 fps | 100% |
| Hodgdon HP38² | <<locked>> | 60% | 27,920 psi | 82% | 1047 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 68% | 23,989 psi | 70% | 1037 fps | 86.2% |
| Hodgdon Longshot*² | <<locked>> | 60% | 20,363 psi | 60% | 974 fps | 85.7% |
| Hodgdon TrailBoss*² | <<locked>> | 60% | 6,657 psi | 20% | 541 fps | 94.8% |
| Hodgdon Universal² | <<locked>> | 60% | 17,448 psi | 51% | 892 fps | 98% |
| Lovex S011² | <<locked>> | 60% | 21,814 psi | 64% | 945 fps | 99.8% |
| Lovex S020*² | <<locked>> | 60% | 15,592 psi | 46% | 863 fps | 92.5% |
| Maxam CSB 1*² | <<locked>> | 60% | 13,532 psi | 40% | 794 fps | 94.3% |
| Maxam CSB 2² | 3.1 gr | 60% | 13,547 psi | 40% | 833 fps | 98.8% |
| Maxam CSB 3² | <<locked>> | 60% | 15,389 psi | 45% | 833 fps | 99% |
| Maxam CSB 4² | <<locked>> | 60% | 17,187 psi | 50% | 860 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 19,595 psi | 57% | 873 fps | 100% |
| Ramshot Silhouette*² | <<locked>> | 60% | 18,855 psi | 55% | 942 fps | 90.2% |
| Ramshot True Blue*² | <<locked>> | 60% | 21,596 psi | 63% | 994 fps | 86.8% |
| Ramshot Zip² | <<locked>> | 60% | 26,818 psi | 79% | 1037 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 17,912 psi | 53% | 919 fps | 100% |
| ReloadSwiss RS 14*² | <<locked>> | 60% | 6,382 psi | 19% | 531 fps | 89.3% |
| ReloadSwiss RS 20*² | 3.4 gr | 60% | 12,401 psi | 36% | 804 fps | 87.7% |
| Rottweil P 801² | <<locked>> | 60% | 21,654 psi | 64% | 948 fps | 100% |
| SNPE Vectan A0*² | <<locked>> | 60% | 13,967 psi | 41% | 797 fps | 87.4% |
| SNPE Vectan A1² | <<locked>> | 60% | 16,868 psi | 49% | 860 fps | 98.2% |
| SNPE Vectan BA 9*² | <<locked>> | 60% | 16,128 psi | 47% | 846 fps | 94.6% |
| SNPE Vectan BA10² | <<locked>> | 60% | 22,104 psi | 65% | 873 fps | 100% |
| SNPE Vectan BA7 1/2* | <<locked>> | 88% | 23,032 psi | 68% | 1007 fps | 87% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 16,099 psi | 47% | 856 fps | 96.2% |
| Somchem MP200*² | <<locked>> | 60% | 15,998 psi | 47% | 869 fps | 88.4% |
| Somchem MS200*² | <<locked>> | 60% | 15,084 psi | 44% | 837 fps | 90.4% |
| Vihtavuori 3N37*² | <<locked>> | 76% | 19,058 psi | 56% | 961 fps | 85.1% |
| Vihtavuori N310² | <<locked>> | 60% | 25,672 psi | 75% | 932 fps | 100% |
| Vihtavuori N320² | <<locked>> | 60% | 16,824 psi | 49% | 869 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 10,457 psi | 31% | 689 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 14,402 psi | 42% | 853 fps | 96.8% |
| Vihtavuori N340*² | <<locked>> | 60% | 14,257 psi | 42% | 827 fps | 88.6% |
| Vihtavuori N350* | <<locked>> | 80% | 18,884 psi | 55% | 955 fps | 85.2% |
| Winchester 231² | <<locked>> | 60% | 22,452 psi | 66% | 974 fps | 99.8% |
| Winchester 572*² | <<locked>> | 60% | 25,396 psi | 75% | 1070 fps | 88.8% |
| Winchester AutoComp *² | <<locked>> | 60% | 14,170 psi | 42% | 820 fps | 93.6% |
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 .356 | 123gr | LOS RN. ReloadSwiss RS 20 delivers the highest muzzle velocity at 1,165 fps; across all powders the maximum-charge window runs from 722 fps to 1,165 fps. Alliant Herco gives the best case fill at 100 %, and 40 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 33–90 %, 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. ReloadSwiss RS 20, Alliant UNIQUE, Maxam CSB 2 rank at the top here: for 9 mm Para with the .356 | 123gr | LOS RN 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.