Load Specifications
Bullet:.355 | 147gr | ALSA PRO FMJ
Bullet Manufacturer:ALSA PRO
Bullet Weight:147 gr
Bullet Diameter:0.355"
Bullet Length:<<locked>>
Caliber:.38 Super Auto load data
Case Length (l3):0.89"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:17.6 Grains of Water
Primer Size:Small Pistol (SP)
Barrel Length:5"
Max. allowed Pressure:33,359 psi
Load data in caliber .38 Super Auto with .355 | 147gr | ALSA PRO FMJ bullet and 120 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N350, ReloadSwiss RS 20 and SNPE Vectan A0.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 76% | 28,485 psi | 85% | 1056 fps | 99.4% |
| Accurate No. 2² | <<locked>> | 76% | 28,485 psi | 85% | 1056 fps | 99.4% |
| Accurate No. 5*² | <<locked>> | 64% | 29,312 psi | 88% | 1132 fps | 94.1% |
| Accurate No. 5*² | <<locked>> | 64% | 29,312 psi | 88% | 1132 fps | 94.1% |
| Accurate Solo 1000² | <<locked>> | 76% | 28,819 psi | 86% | 991 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 76% | 28,819 psi | 86% | 991 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 84% | 29,675 psi | 89% | 1056 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 84% | 29,675 psi | 89% | 1056 fps | 100% |
| ADI AP 100*ᴾ | <<locked>> | 100% | 27,833 psi | 83% | 1109 fps | 91.4% |
| ADI AP 100*ᴾ | <<locked>> | 100% | 27,833 psi | 83% | 1109 fps | 91.4% |
| ADI AP 70N² | <<locked>> | 68% | 27,833 psi | 83% | 1050 fps | 100% |
| ADI AP 70N² | <<locked>> | 68% | 27,833 psi | 83% | 1050 fps | 100% |
| ADI APS 350² | <<locked>> | 72% | 29,892 psi | 90% | 906 fps | 100% |
| ADI APS 350² | <<locked>> | 72% | 29,892 psi | 90% | 906 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 28,311 psi | 85% | 922 fps | 100% |
| ADI APS 450² | <<locked>> | 72% | 28,311 psi | 85% | 922 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 28,007 psi | 84% | 958 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 28,007 psi | 84% | 958 fps | 100% |
| ADI AS 50N² | <<locked>> | 72% | 27,630 psi | 83% | 994 fps | 100% |
| ADI AS 50N² | <<locked>> | 72% | 27,630 psi | 83% | 994 fps | 100% |
| Alliant BE-86 | <<locked>> | 80% | 28,021 psi | 84% | 1033 fps | 100% |
| Alliant BE-86 | <<locked>> | 80% | 28,021 psi | 84% | 1033 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 72% | 28,906 psi | 87% | 1099 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 72% | 28,906 psi | 87% | 1099 fps | 100% |
| Alliant Green Dot² | <<locked>> | 76% | 27,311 psi | 82% | 994 fps | 100% |
| Alliant Green Dot² | <<locked>> | 76% | 27,311 psi | 82% | 994 fps | 100% |
| Alliant Hercoᴾ | <<locked>> | 100% | 29,385 psi | 88% | 1112 fps | 100% |
| Alliant Hercoᴾ | <<locked>> | 100% | 29,385 psi | 88% | 1112 fps | 100% |
| Alliant POWER PISTOL* | <<locked>> | 84% | 28,863 psi | 87% | 1161 fps | 91.3% |
| Alliant POWER PISTOL* | <<locked>> | 84% | 28,863 psi | 87% | 1161 fps | 91.3% |
| Alliant RED DOT | <<locked>> | 80% | 29,646 psi | 89% | 997 fps | 100% |
| Alliant RED DOT | <<locked>> | 80% | 29,646 psi | 89% | 997 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 68% | 29,022 psi | 87% | 1102 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 68% | 29,022 psi | 87% | 1102 fps | 100% |
| Alliant UNIQUE | <<locked>> | 84% | 29,283 psi | 88% | 1112 fps | 100% |
| Alliant UNIQUE | <<locked>> | 84% | 29,283 psi | 88% | 1112 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 76% | 27,021 psi | 81% | 981 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 76% | 27,021 psi | 81% | 981 fps | 100% |
| Baschieri & Pellagri 102 Pistolᴾ | <<locked>> | 100% | 29,559 psi | 89% | 1030 fps | 100% |
| Baschieri & Pellagri 102 Pistolᴾ | <<locked>> | 100% | 29,559 psi | 89% | 1030 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 76% | 30,023 psi | 90% | 1043 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 76% | 30,023 psi | 90% | 1043 fps | 100% |
| Hodgdon Clays | <<locked>> | 84% | 29,472 psi | 88% | 935 fps | 100% |
| Hodgdon Clays | <<locked>> | 84% | 29,472 psi | 88% | 935 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 68% | 27,586 psi | 83% | 1096 fps | 95.3% |
| Hodgdon HS-6² | <<locked>> | 68% | 27,586 psi | 83% | 1096 fps | 95.3% |
| Hodgdon Longshot² | <<locked>> | 64% | 26,484 psi | 79% | 1083 fps | 96.4% |
| Hodgdon Longshot² | <<locked>> | 64% | 26,484 psi | 79% | 1083 fps | 96.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 12,372 psi | 37% | 735 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 12,372 psi | 37% | 735 fps | 100% |
| Hodgdon Universal² | <<locked>> | 76% | 28,993 psi | 87% | 1063 fps | 100% |
| Hodgdon Universal² | <<locked>> | 76% | 28,993 psi | 87% | 1063 fps | 100% |
| Lovex D036*² | <<locked>> | 64% | 29,269 psi | 88% | 1132 fps | 94.1% |
| Lovex D036*² | <<locked>> | 64% | 29,269 psi | 88% | 1132 fps | 94.1% |
| Lovex S011² | <<locked>> | 68% | 30,095 psi | 90% | 1030 fps | 100% |
| Lovex S011² | <<locked>> | 68% | 30,095 psi | 90% | 1030 fps | 100% |
| Lovex S020² | <<locked>> | 76% | 28,152 psi | 84% | 1066 fps | 100% |
| Lovex S020² | <<locked>> | 76% | 28,152 psi | 84% | 1066 fps | 100% |
| Maxam CSB 1 | <<locked>> | 84% | 26,818 psi | 80% | 1020 fps | 100% |
| Maxam CSB 1 | <<locked>> | 84% | 26,818 psi | 80% | 1020 fps | 100% |
| Maxam CSB 2 | <<locked>> | 84% | 29,037 psi | 87% | 1063 fps | 100% |
| Maxam CSB 2 | <<locked>> | 84% | 29,037 psi | 87% | 1063 fps | 100% |
| Maxam CSB 3 | <<locked>> | 80% | 28,718 psi | 86% | 1020 fps | 100% |
| Maxam CSB 3 | <<locked>> | 80% | 28,718 psi | 86% | 1020 fps | 100% |
| Maxam CSB 4² | <<locked>> | 76% | 28,282 psi | 85% | 1001 fps | 100% |
| Maxam CSB 4² | <<locked>> | 76% | 28,282 psi | 85% | 1001 fps | 100% |
| Maxam CSB 5² | <<locked>> | 72% | 28,601 psi | 86% | 958 fps | 100% |
| Maxam CSB 5² | <<locked>> | 72% | 28,601 psi | 86% | 958 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 68% | 27,354 psi | 82% | 1083 fps | 99.5% |
| Ramshot Silhouette² | <<locked>> | 68% | 27,354 psi | 82% | 1083 fps | 99.5% |
| Ramshot True Blue² | <<locked>> | 64% | 28,007 psi | 84% | 1099 fps | 97.1% |
| Ramshot True Blue² | <<locked>> | 64% | 28,007 psi | 84% | 1099 fps | 97.1% |
| ReloadSwiss RS 12² | <<locked>> | 72% | 28,427 psi | 85% | 1040 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 72% | 28,427 psi | 85% | 1040 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 11,356 psi | 34% | 738 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 11,356 psi | 34% | 738 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 88% | 29,385 psi | 88% | 1119 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 88% | 29,385 psi | 88% | 1119 fps | 100% |
| Rottweil P 801² | <<locked>> | 68% | 29,138 psi | 87% | 1017 fps | 100% |
| Rottweil P 801² | <<locked>> | 68% | 29,138 psi | 87% | 1017 fps | 100% |
| Rottweil P 806 | <<locked>> | 96% | 28,268 psi | 85% | 1211 fps | 96.7% |
| Rottweil P 806 | <<locked>> | 96% | 28,268 psi | 85% | 1211 fps | 96.7% |
| Shooters World Auto Pistol*² | <<locked>> | 64% | 29,269 psi | 88% | 1132 fps | 94.1% |
| Shooters World Auto Pistol*² | <<locked>> | 64% | 29,269 psi | 88% | 1132 fps | 94.1% |
| SNPE Vectan A0 | <<locked>> | 84% | 27,209 psi | 82% | 1043 fps | 99.9% |
| SNPE Vectan A0 | <<locked>> | 84% | 27,209 psi | 82% | 1043 fps | 99.9% |
| SNPE Vectan A1² | <<locked>> | 76% | 28,747 psi | 86% | 1030 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 76% | 28,747 psi | 86% | 1030 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 76% | 27,673 psi | 83% | 1030 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 76% | 27,673 psi | 83% | 1030 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 28,297 psi | 85% | 922 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 28,297 psi | 85% | 922 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 92% | 28,326 psi | 85% | 1093 fps | 96.5% |
| SNPE Vectan BA7 1/2 | <<locked>> | 92% | 28,326 psi | 85% | 1093 fps | 96.5% |
| SNPE Vectan BA9 1/2 | <<locked>> | 80% | 29,428 psi | 88% | 1060 fps | 100% |
| SNPE Vectan BA9 1/2 | <<locked>> | 80% | 29,428 psi | 88% | 1060 fps | 100% |
| SNPE Vectan SP 2* | <<locked>> | 80% | 27,369 psi | 82% | 1161 fps | 92.8% |
| SNPE Vectan SP 2* | <<locked>> | 80% | 27,369 psi | 82% | 1161 fps | 92.8% |
| Somchem MP200² | <<locked>> | 76% | 27,731 psi | 83% | 1079 fps | 99.8% |
| Somchem MP200² | <<locked>> | 76% | 27,731 psi | 83% | 1079 fps | 99.8% |
| Somchem MS200 | <<locked>> | 80% | 28,268 psi | 85% | 1070 fps | 100% |
| Somchem MS200 | <<locked>> | 80% | 28,268 psi | 85% | 1070 fps | 100% |
| Somchem S221*² | <<locked>> | 72% | 27,804 psi | 83% | 1119 fps | 87.6% |
| Somchem S221*² | <<locked>> | 72% | 27,804 psi | 83% | 1119 fps | 87.6% |
| Vihtavuori 3N37 | <<locked>> | 84% | 27,688 psi | 83% | 1109 fps | 97.3% |
| Vihtavuori 3N37 | <<locked>> | 84% | 27,688 psi | 83% | 1109 fps | 97.3% |
| Vihtavuori N320² | <<locked>> | 76% | 29,254 psi | 88% | 1020 fps | 100% |
| Vihtavuori N320² | <<locked>> | 76% | 29,254 psi | 88% | 1020 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 23,714 psi | 71% | 902 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 23,714 psi | 71% | 902 fps | 100% |
| Vihtavuori N330² | <<locked>> | 76% | 28,166 psi | 84% | 1060 fps | 100% |
| Vihtavuori N330² | <<locked>> | 76% | 28,166 psi | 84% | 1060 fps | 100% |
| Vihtavuori N340 | <<locked>> | 80% | 27,021 psi | 81% | 1056 fps | 100% |
| Vihtavuori N340 | <<locked>> | 80% | 27,021 psi | 81% | 1056 fps | 100% |
| Vihtavuori N350 | <<locked>> | 92% | 29,095 psi | 87% | 1125 fps | 98% |
| Vihtavuori N350 | <<locked>> | 92% | 29,095 psi | 87% | 1125 fps | 98% |
| Winchester 231² | <<locked>> | 64% | 27,528 psi | 83% | 1020 fps | 100% |
| Winchester 231² | <<locked>> | 64% | 27,528 psi | 83% | 1020 fps | 100% |
| Winchester AutoComp | <<locked>> | 84% | 28,181 psi | 84% | 1056 fps | 100% |
| Winchester AutoComp | <<locked>> | 84% | 28,181 psi | 84% | 1056 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. 2*² | <<locked>> | 60% | 17,434 psi | 52% | 883 fps | 94.8% |
| Accurate No. 2*² | <<locked>> | 60% | 17,434 psi | 52% | 883 fps | 94.8% |
| Accurate No. 5*² | <<locked>> | 60% | 25,382 psi | 76% | 1073 fps | 92% |
| Accurate No. 5*² | <<locked>> | 60% | 25,382 psi | 76% | 1073 fps | 92% |
| Accurate Solo 1000² | <<locked>> | 60% | 19,566 psi | 59% | 869 fps | 100% |
| Accurate Solo 1000² | <<locked>> | 60% | 19,566 psi | 59% | 869 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 15,214 psi | 46% | 840 fps | 99.5% |
| Accurate Solo 1250² | <<locked>> | 60% | 15,214 psi | 46% | 840 fps | 99.5% |
| ADI AP 100* | <<locked>> | 88% | 20,856 psi | 63% | 994 fps | 86.5% |
| ADI AP 100* | <<locked>> | 88% | 20,856 psi | 63% | 994 fps | 86.5% |
| ADI AP 70N² | <<locked>> | 60% | 22,423 psi | 67% | 974 fps | 100% |
| ADI AP 70N² | <<locked>> | 60% | 22,423 psi | 67% | 974 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 21,741 psi | 65% | 814 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 21,741 psi | 65% | 814 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 21,045 psi | 63% | 833 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 21,045 psi | 63% | 833 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 19,711 psi | 59% | 850 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 19,711 psi | 59% | 850 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 19,812 psi | 59% | 886 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 19,812 psi | 59% | 886 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 16,070 psi | 48% | 860 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 16,070 psi | 48% | 860 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 20,218 psi | 61% | 961 fps | 99% |
| Alliant BULLSEYE² | <<locked>> | 60% | 20,218 psi | 61% | 961 fps | 99% |
| Alliant Green Dot² | <<locked>> | 60% | 18,608 psi | 56% | 869 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 18,608 psi | 56% | 869 fps | 100% |
| Alliant Herco*² | <<locked>> | 60% | 11,313 psi | 34% | 768 fps | 91.2% |
| Alliant Herco*² | <<locked>> | 60% | 11,313 psi | 34% | 768 fps | 91.2% |
| Alliant POWER PISTOL*² | <<locked>> | 72% | 20,726 psi | 62% | 1020 fps | 85.4% |
| Alliant POWER PISTOL*² | <<locked>> | 72% | 20,726 psi | 62% | 1020 fps | 85.4% |
| Alliant RED DOT² | <<locked>> | 60% | 18,768 psi | 56% | 853 fps | 100% |
| Alliant RED DOT² | <<locked>> | 60% | 18,768 psi | 56% | 853 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 60% | 22,524 psi | 68% | 1004 fps | 99.3% |
| Alliant Sport Pistol² | <<locked>> | 60% | 22,524 psi | 68% | 1004 fps | 99.3% |
| Alliant UNIQUE² | <<locked>> | 60% | 15,345 psi | 46% | 873 fps | 95.7% |
| Alliant UNIQUE² | <<locked>> | 60% | 15,345 psi | 46% | 873 fps | 95.7% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 17,448 psi | 52% | 846 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 17,448 psi | 52% | 846 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 10,979 psi | 33% | 741 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 10,979 psi | 33% | 741 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 18,565 psi | 56% | 896 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 18,565 psi | 56% | 896 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 16,911 psi | 51% | 771 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 16,911 psi | 51% | 771 fps | 100% |
| Hodgdon HS-6*² | <<locked>> | 60% | 21,408 psi | 64% | 997 fps | 91.7% |
| Hodgdon HS-6*² | <<locked>> | 60% | 21,408 psi | 64% | 997 fps | 91.7% |
| Hodgdon Longshot² | <<locked>> | 60% | 23,685 psi | 71% | 1037 fps | 95.1% |
| Hodgdon Longshot² | <<locked>> | 60% | 23,685 psi | 71% | 1037 fps | 95.1% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 5,787 psi | 17% | 535 fps | 97.5% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 5,787 psi | 17% | 535 fps | 97.5% |
| Hodgdon Universal² | <<locked>> | 60% | 18,666 psi | 56% | 912 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 18,666 psi | 56% | 912 fps | 100% |
| Lovex D036*² | <<locked>> | 60% | 25,338 psi | 76% | 1073 fps | 92% |
| Lovex D036*² | <<locked>> | 60% | 25,338 psi | 76% | 1073 fps | 92% |
| Lovex S011² | <<locked>> | 60% | 23,931 psi | 72% | 955 fps | 100% |
| Lovex S011² | <<locked>> | 60% | 23,931 psi | 72% | 955 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 17,680 psi | 53% | 909 fps | 98.9% |
| Lovex S020² | <<locked>> | 60% | 17,680 psi | 53% | 909 fps | 98.9% |
| Maxam CSB 1² | <<locked>> | 60% | 14,663 psi | 44% | 820 fps | 99.3% |
| Maxam CSB 1² | <<locked>> | 60% | 14,663 psi | 44% | 820 fps | 99.3% |
| Maxam CSB 2² | <<locked>> | 60% | 14,910 psi | 45% | 856 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 14,910 psi | 45% | 856 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 17,027 psi | 51% | 856 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 17,027 psi | 51% | 856 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 18,188 psi | 55% | 863 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 18,188 psi | 55% | 863 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 21,045 psi | 63% | 869 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 21,045 psi | 63% | 869 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 21,640 psi | 65% | 994 fps | 97.8% |
| Ramshot Silhouette² | <<locked>> | 60% | 21,640 psi | 65% | 994 fps | 97.8% |
| Ramshot True Blue² | <<locked>> | 60% | 24,236 psi | 73% | 1040 fps | 95.4% |
| Ramshot True Blue² | <<locked>> | 60% | 24,236 psi | 73% | 1040 fps | 95.4% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 19,609 psi | 59% | 925 fps | 100% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 19,609 psi | 59% | 925 fps | 100% |
| ReloadSwiss RS 14*² | <<locked>> | 60% | 5,656 psi | 17% | 538 fps | 93.2% |
| ReloadSwiss RS 14*² | <<locked>> | 60% | 5,656 psi | 17% | 538 fps | 93.2% |
| ReloadSwiss RS 20² | 3.8 gr | 60% | 13,198 psi | 40% | 840 fps | 96% |
| ReloadSwiss RS 20² | 3.8 gr | 60% | 13,198 psi | 40% | 840 fps | 96% |
| Rottweil P 801² | <<locked>> | 60% | 23,351 psi | 70% | 948 fps | 100% |
| Rottweil P 801² | <<locked>> | 60% | 23,351 psi | 70% | 948 fps | 100% |
| Rottweil P 806*² | <<locked>> | 76% | 14,547 psi | 44% | 958 fps | 86.2% |
| Rottweil P 806*² | <<locked>> | 76% | 14,547 psi | 44% | 958 fps | 86.2% |
| Shooters World Auto Pistol*² | <<locked>> | 60% | 25,338 psi | 76% | 1073 fps | 92% |
| Shooters World Auto Pistol*² | <<locked>> | 60% | 25,338 psi | 76% | 1073 fps | 92% |
| SNPE Vectan A0² | 3.7 gr | 60% | 14,953 psi | 45% | 830 fps | 95% |
| SNPE Vectan A0² | 3.7 gr | 60% | 14,953 psi | 45% | 830 fps | 95% |
| SNPE Vectan A1² | <<locked>> | 60% | 18,942 psi | 57% | 892 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 60% | 18,942 psi | 57% | 892 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 18,159 psi | 54% | 886 fps | 99.6% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 18,159 psi | 54% | 886 fps | 99.6% |
| SNPE Vectan BA10² | <<locked>> | 60% | 23,322 psi | 70% | 863 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 23,322 psi | 70% | 863 fps | 100% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 64% | 13,851 psi | 42% | 823 fps | 85.3% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 64% | 13,851 psi | 42% | 823 fps | 85.3% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 17,361 psi | 52% | 883 fps | 99.9% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 17,361 psi | 52% | 883 fps | 99.9% |
| SNPE Vectan SP 2*² | <<locked>> | 68% | 18,666 psi | 56% | 1007 fps | 86.2% |
| SNPE Vectan SP 2*² | <<locked>> | 68% | 18,666 psi | 56% | 1007 fps | 86.2% |
| Somchem MP200² | <<locked>> | 60% | 17,637 psi | 53% | 912 fps | 96.2% |
| Somchem MP200² | <<locked>> | 60% | 17,637 psi | 53% | 912 fps | 96.2% |
| Somchem MS200² | <<locked>> | 60% | 16,143 psi | 48% | 866 fps | 97.2% |
| Somchem MS200² | <<locked>> | 60% | 16,143 psi | 48% | 866 fps | 97.2% |
| Somchem S221*² | <<locked>> | 68% | 24,381 psi | 73% | 1063 fps | 85.2% |
| Somchem S221*² | <<locked>> | 68% | 24,381 psi | 73% | 1063 fps | 85.2% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 13,474 psi | 40% | 843 fps | 86.4% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 13,474 psi | 40% | 843 fps | 86.4% |
| Vihtavuori N320² | <<locked>> | 60% | 18,579 psi | 56% | 883 fps | 100% |
| Vihtavuori N320² | <<locked>> | 60% | 18,579 psi | 56% | 883 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 9,384 psi | 28% | 659 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 9,384 psi | 28% | 659 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 17,521 psi | 53% | 909 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 17,521 psi | 53% | 909 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 15,751 psi | 47% | 866 fps | 96.4% |
| Vihtavuori N340² | <<locked>> | 60% | 15,751 psi | 47% | 866 fps | 96.4% |
| Vihtavuori N350*² | 4.4 gr | 64% | 13,242 psi | 40% | 837 fps | 86.5% |
| Vihtavuori N350*² | 4.4 gr | 64% | 13,242 psi | 40% | 837 fps | 86.5% |
| Winchester 231² | <<locked>> | 60% | 24,207 psi | 73% | 978 fps | 100% |
| Winchester 231² | <<locked>> | 60% | 24,207 psi | 73% | 978 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 60% | 14,765 psi | 44% | 840 fps | 98.7% |
| Winchester AutoComp ² | <<locked>> | 60% | 14,765 psi | 44% | 840 fps | 98.7% |
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 120 powders for .38 Super Auto loaded with the .355 | 147gr | ALSA PRO FMJ. Rottweil P 806 delivers the highest muzzle velocity at 1,211 fps; across all powders the maximum-charge window runs from 735 fps to 1,211 fps. ADI AP 100 gives the best case fill at 100 %, and 52 of the 120 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (230 MPa), the top charges use 34–90 %, leaving at least 10 % headroom. ADI AP 100, ADI AP 100, Alliant Herco 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. Vihtavuori N350, ReloadSwiss RS 20, SNPE Vectan A0 rank at the top here: for .38 Super Auto with the .355 | 147gr | ALSA PRO FMJ they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate No. 5, Accurate No. 5, ADI AP 100 burn incompletely and react more sensitively to barrel length and temperature. Accurate No. 2, Accurate No. 2, Accurate No. 5 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.