Load Specifications
Load data in caliber 9 mm Mauser with .355 | 147gr | X-TREME RP HP bullet and 61 powders. The key underlying parameters are shown in the table above.
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: 5.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 76% | 33,011 psi | 88% | 1155 fps | 100% |
| Accurate No. 5² | <<locked>> | 64% | 34,055 psi | 90% | 1247 fps | 97.4% |
| Accurate Solo 1000² | <<locked>> | 76% | 32,605 psi | 86% | 1070 fps | 100% |
| Accurate Solo 1250 | <<locked>> | 84% | 33,228 psi | 88% | 1132 fps | 100% |
| ADI AP 100ᴾ | <<locked>> | 100% | 32,169 psi | 85% | 1220 fps | 95.2% |
| ADI AP 70N² | <<locked>> | 68% | 32,140 psi | 85% | 1132 fps | 100% |
| ADI APS 350² | <<locked>> | 72% | 31,691 psi | 84% | 958 fps | 100% |
| ADI APS 450² | <<locked>> | 76% | 33,446 psi | 89% | 1010 fps | 100% |
| ADI AS 30² | <<locked>> | 76% | 32,764 psi | 87% | 1040 fps | 100% |
| ADI AS 50N² | <<locked>> | 72% | 30,951 psi | 82% | 1063 fps | 100% |
| Alliant BE-86 | <<locked>> | 80% | 32,111 psi | 85% | 1112 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 72% | 32,343 psi | 86% | 1181 fps | 100% |
| Alliant Green Dot | <<locked>> | 80% | 34,084 psi | 90% | 1102 fps | 100% |
| Alliant Hercoᴾ | <<locked>> | 100% | 34,098 psi | 90% | 1207 fps | 100% |
| Alliant POWER PISTOL* | <<locked>> | 84% | 32,822 psi | 87% | 1270 fps | 94.9% |
| Alliant RED DOT | <<locked>> | 80% | 33,228 psi | 88% | 1066 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 68% | 33,315 psi | 88% | 1198 fps | 100% |
| Alliant UNIQUE | <<locked>> | 84% | 33,968 psi | 90% | 1207 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 76% | 30,937 psi | 82% | 1056 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 96% | 31,343 psi | 83% | 1083 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 72% | 31,111 psi | 83% | 1086 fps | 100% |
| Hodgdon Clays | <<locked>> | 84% | 33,185 psi | 88% | 1007 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 68% | 32,242 psi | 86% | 1207 fps | 98.2% |
| Hodgdon Longshot² | <<locked>> | 64% | 31,517 psi | 84% | 1194 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 15,795 psi | 42% | 814 fps | 100% |
| Hodgdon Universal² | <<locked>> | 76% | 33,272 psi | 88% | 1145 fps | 100% |
| Lovex S011² | <<locked>> | 68% | 33,576 psi | 89% | 1106 fps | 100% |
| Lovex S020² | <<locked>> | 76% | 33,112 psi | 88% | 1158 fps | 100% |
| Maxam CSB 1 | <<locked>> | 84% | 31,372 psi | 83% | 1106 fps | 100% |
| Maxam CSB 2 | <<locked>> | 84% | 33,591 psi | 89% | 1138 fps | 100% |
| Maxam CSB 3 | <<locked>> | 80% | 32,489 psi | 86% | 1099 fps | 100% |
| Maxam CSB 4² | <<locked>> | 76% | 32,343 psi | 86% | 1076 fps | 100% |
| Maxam CSB 5² | <<locked>> | 72% | 31,995 psi | 85% | 1027 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 68% | 31,865 psi | 85% | 1181 fps | 100% |
| Ramshot True Blue² | <<locked>> | 64% | 32,967 psi | 87% | 1207 fps | 99.3% |
| ReloadSwiss RS 12² | <<locked>> | 72% | 33,475 psi | 89% | 1122 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 14,359 psi | 38% | 810 fps | 100% |
| ReloadSwiss RS 20 | <<locked>> | 84% | 31,372 psi | 83% | 1181 fps | 100% |
| ReloadSwiss RS 24* | <<locked>> | 84% | 30,705 psi | 81% | 1230 fps | 87.9% |
| Rottweil P 801² | <<locked>> | 64% | 31,575 psi | 84% | 1066 fps | 100% |
| Rottweil P 806 | <<locked>> | 92% | 31,792 psi | 84% | 1299 fps | 98.9% |
| SNPE Vectan A0 | <<locked>> | 84% | 30,966 psi | 82% | 1129 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 76% | 32,489 psi | 86% | 1109 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 76% | 31,386 psi | 83% | 1112 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 68% | 30,951 psi | 82% | 984 fps | 100% |
| SNPE Vectan BA7 1/2 | <<locked>> | 92% | 32,982 psi | 87% | 1198 fps | 99% |
| SNPE Vectan BA9 1/2 | <<locked>> | 80% | 33,953 psi | 90% | 1145 fps | 100% |
| SNPE Vectan SP 2 | <<locked>> | 80% | 33,141 psi | 88% | 1289 fps | 96.8% |
| Somchem MP200² | <<locked>> | 76% | 32,822 psi | 87% | 1184 fps | 100% |
| Somchem MS200 | <<locked>> | 80% | 32,532 psi | 86% | 1158 fps | 100% |
| Somchem S221*² | <<locked>> | 72% | 32,416 psi | 86% | 1230 fps | 92.1% |
| Vihtavuori 3N37 | <<locked>> | 84% | 31,923 psi | 85% | 1211 fps | 99.4% |
| Vihtavuori 3N38*ᴾ | <<locked>> | 100% | 31,778 psi | 84% | 1237 fps | 89.4% |
| Vihtavuori N105*ᴾ | <<locked>> | 100% | 26,455 psi | 70% | 1211 fps | 90.6% |
| Vihtavuori N320² | <<locked>> | 76% | 33,823 psi | 90% | 1099 fps | 100% |
| Vihtavuori N32C Tin Starᴾ | <<locked>> | 100% | 27,949 psi | 74% | 971 fps | 100% |
| Vihtavuori N330² | <<locked>> | 76% | 33,344 psi | 88% | 1152 fps | 100% |
| Vihtavuori N340 | <<locked>> | 80% | 31,372 psi | 83% | 1148 fps | 100% |
| Vihtavuori N350 | <<locked>> | 88% | 30,226 psi | 80% | 1184 fps | 99.2% |
| Winchester 231² | <<locked>> | 64% | 32,169 psi | 85% | 1109 fps | 100% |
| Winchester AutoComp | <<locked>> | 84% | 33,054 psi | 88% | 1145 fps | 100% |
Start Load - Barrel Length: 5.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 60% | 20,146 psi | 53% | 968 fps | 97.8% |
| Accurate No. 5² | <<locked>> | 60% | 29,356 psi | 78% | 1181 fps | 95.7% |
| Accurate Solo 1000² | <<locked>> | 60% | 21,857 psi | 58% | 932 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 18,463 psi | 49% | 925 fps | 100% |
| ADI AP 100*² | <<locked>> | 76% | 18,492 psi | 49% | 981 fps | 86.4% |
| ADI AP 70N² | <<locked>> | 60% | 25,947 psi | 69% | 1050 fps | 100% |
| ADI APS 350² | <<locked>> | 60% | 24,323 psi | 65% | 873 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 23,148 psi | 61% | 889 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 22,626 psi | 60% | 915 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 23,525 psi | 62% | 965 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 19,000 psi | 50% | 932 fps | 100% |
| Alliant BULLSEYE² | <<locked>> | 60% | 23,105 psi | 61% | 1047 fps | 100% |
| Alliant Green Dot² | <<locked>> | 60% | 21,379 psi | 57% | 935 fps | 100% |
| Alliant Herco² | <<locked>> | 60% | 14,214 psi | 38% | 863 fps | 96.2% |
| Alliant POWER PISTOL*² | <<locked>> | 64% | 19,290 psi | 51% | 1027 fps | 86.2% |
| Alliant RED DOT² | <<locked>> | 60% | 20,972 psi | 56% | 906 fps | 100% |
| Alliant Sport Pistol² | <<locked>> | 60% | 26,005 psi | 69% | 1096 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 18,652 psi | 49% | 968 fps | 98.8% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 20,784 psi | 55% | 922 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 13,489 psi | 36% | 810 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 22,249 psi | 59% | 974 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 19,334 psi | 51% | 830 fps | 100% |
| Hodgdon HS-6² | <<locked>> | 60% | 24,671 psi | 65% | 1093 fps | 95.4% |
| Hodgdon Longshot² | <<locked>> | 60% | 27,006 psi | 72% | 1132 fps | 97.9% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 8,122 psi | 22% | 610 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 22,350 psi | 59% | 997 fps | 100% |
| Lovex S011² | <<locked>> | 60% | 26,701 psi | 71% | 1027 fps | 100% |
| Lovex S020² | <<locked>> | 60% | 20,958 psi | 56% | 991 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 17,869 psi | 47% | 906 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 18,956 psi | 50% | 942 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 19,566 psi | 52% | 922 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 21,756 psi | 58% | 942 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 23,844 psi | 63% | 928 fps | 100% |
| Ramshot Silhouette² | <<locked>> | 60% | 25,440 psi | 67% | 1093 fps | 99.7% |
| Ramshot True Blue² | <<locked>> | 60% | 28,282 psi | 75% | 1145 fps | 98.3% |
| ReloadSwiss RS 12² | <<locked>> | 60% | 24,874 psi | 66% | 1017 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 7,702 psi | 20% | 604 fps | 98.6% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 16,708 psi | 44% | 948 fps | 99.4% |
| ReloadSwiss RS 24* | <<locked>> | 80% | 27,340 psi | 73% | 1178 fps | 85.8% |
| Rottweil P 801² | <<locked>> | 60% | 28,398 psi | 75% | 1030 fps | 100% |
| Rottweil P 806*² | <<locked>> | 64% | 13,343 psi | 35% | 945 fps | 86.6% |
| SNPE Vectan A0² | <<locked>> | 60% | 17,564 psi | 47% | 912 fps | 98.1% |
| SNPE Vectan A1² | <<locked>> | 60% | 21,408 psi | 57% | 961 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 20,624 psi | 55% | 958 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 25,237 psi | 67% | 915 fps | 100% |
| SNPE Vectan BA7 1/2*² | <<locked>> | 60% | 15,026 psi | 40% | 879 fps | 88.9% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 20,479 psi | 54% | 961 fps | 100% |
| SNPE Vectan SP 2*² | <<locked>> | 60% | 18,144 psi | 48% | 1020 fps | 87.6% |
| Somchem MP200² | <<locked>> | 60% | 21,190 psi | 56% | 1007 fps | 99% |
| Somchem MS200² | <<locked>> | 60% | 19,812 psi | 53% | 968 fps | 99.6% |
| Somchem S221*² | <<locked>> | 60% | 22,539 psi | 60% | 1070 fps | 86% |
| Vihtavuori 3N37*² | <<locked>> | 60% | 16,592 psi | 44% | 945 fps | 92.1% |
| Vihtavuori 3N38* | <<locked>> | 92% | 25,860 psi | 69% | 1148 fps | 85.8% |
| Vihtavuori N105* | <<locked>> | 92% | 21,379 psi | 57% | 1115 fps | 86.4% |
| Vihtavuori N320² | <<locked>> | 60% | 22,495 psi | 60% | 961 fps | 100% |
| Vihtavuori N32C Tin Star² | <<locked>> | 60% | 12,546 psi | 33% | 732 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 20,914 psi | 55% | 991 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 18,710 psi | 50% | 955 fps | 99% |
| Vihtavuori N350*² | <<locked>> | 60% | 14,605 psi | 39% | 896 fps | 90.4% |
| Winchester 231² | <<locked>> | 60% | 27,949 psi | 74% | 1060 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 60% | 18,304 psi | 49% | 932 fps | 100% |
* 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 61 powders for 9 mm Mauser loaded with the .355 | 147gr | X-TREME RP HP. Rottweil P 806 delivers the highest muzzle velocity at 1,299 fps; across all powders the maximum-charge window runs from 810 fps to 1,299 fps. ADI AP 100 gives the best case fill at 100 %, and 30 of the 61 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (260 MPa), the top charges use 38–90 %, leaving at least 10 % headroom. ADI AP 100, Alliant Herco, 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. As outliers, Alliant POWER PISTOL, ReloadSwiss RS 24, Somchem S221 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.