Load Specifications
Load data in caliber 7.63 Mauser with .308 | 110gr | Norma FMJ RRN bullet and 52 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N105, ADI AP 100 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: 5.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 64% | 30,879 psi | 82% | 1257 fps | 100% |
| Accurate No. 7*² | <<locked>> | 64% | 29,631 psi | 79% | 1365 fps | 90.4% |
| Accurate Solo 1000² | <<locked>> | 64% | 30,995 psi | 82% | 1161 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 72% | 34,084 psi | 90% | 1257 fps | 100% |
| ADI AP 100 | <<locked>> | 84% | 31,589 psi | 84% | 1348 fps | 98.5% |
| ADI APS 350² | <<locked>> | 64% | 31,604 psi | 84% | 1073 fps | 100% |
| ADI APS 450² | <<locked>> | 68% | 33,881 psi | 90% | 1132 fps | 100% |
| ADI AS 30² | <<locked>> | 68% | 33,344 psi | 88% | 1158 fps | 100% |
| ADI AS 50N² | <<locked>> | 64% | 33,054 psi | 88% | 1198 fps | 100% |
| Alliant BE-86² | <<locked>> | 68% | 31,691 psi | 84% | 1214 fps | 100% |
| Alliant BLUE DOT* | <<locked>> | 88% | 33,750 psi | 90% | 1424 fps | 91.4% |
| Alliant Green Dot² | <<locked>> | 68% | 33,663 psi | 89% | 1211 fps | 100% |
| Alliant Herco | <<locked>> | 84% | 33,692 psi | 89% | 1316 fps | 100% |
| Alliant POWER PISTOL² | <<locked>> | 68% | 31,270 psi | 83% | 1381 fps | 97.9% |
| Alliant RED DOT² | <<locked>> | 68% | 33,054 psi | 88% | 1175 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 68% | 31,415 psi | 83% | 1286 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 68% | 33,794 psi | 90% | 1201 fps | 100% |
| Baschieri & Pellagri 102 Pistol | <<locked>> | 84% | 32,474 psi | 86% | 1198 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 64% | 33,475 psi | 89% | 1217 fps | 100% |
| Hodgdon Clays² | <<locked>> | 76% | 33,562 psi | 89% | 1125 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 20,117 psi | 53% | 968 fps | 100% |
| Hodgdon Universal² | <<locked>> | 64% | 32,474 psi | 86% | 1243 fps | 100% |
| Lovex D037.1*² | <<locked>> | 64% | 29,631 psi | 79% | 1365 fps | 90.4% |
| Lovex S020² | <<locked>> | 64% | 33,156 psi | 88% | 1273 fps | 100% |
| Maxam CSB 1² | <<locked>> | 72% | 31,430 psi | 83% | 1217 fps | 100% |
| Maxam CSB 2² | <<locked>> | 68% | 32,561 psi | 86% | 1227 fps | 100% |
| Maxam CSB 3² | <<locked>> | 68% | 32,416 psi | 86% | 1207 fps | 100% |
| Maxam CSB 4² | <<locked>> | 64% | 31,212 psi | 83% | 1171 fps | 100% |
| Maxam CSB 5² | <<locked>> | 64% | 34,011 psi | 90% | 1158 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 19,160 psi | 51% | 981 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 72% | 33,388 psi | 89% | 1309 fps | 100% |
| ReloadSwiss RS 24*² | <<locked>> | 72% | 32,213 psi | 85% | 1398 fps | 94% |
| Rottweil P 806² | <<locked>> | 76% | 33,112 psi | 88% | 1421 fps | 100% |
| Shooters World Major Pistol*² | <<locked>> | 64% | 29,631 psi | 79% | 1365 fps | 90.4% |
| SNPE Vectan A0² | <<locked>> | 72% | 31,676 psi | 84% | 1257 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 64% | 31,604 psi | 84% | 1211 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 68% | 33,489 psi | 89% | 1253 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 64% | 33,866 psi | 90% | 1132 fps | 100% |
| SNPE Vectan BA7 1/2² | <<locked>> | 76% | 31,256 psi | 83% | 1309 fps | 100% |
| SNPE Vectan BA9 1/2² | <<locked>> | 68% | 33,547 psi | 89% | 1253 fps | 100% |
| SNPE Vectan SP 2² | <<locked>> | 64% | 31,082 psi | 82% | 1378 fps | 98.9% |
| Somchem MP200² | <<locked>> | 64% | 31,807 psi | 84% | 1289 fps | 100% |
| Somchem MS200² | <<locked>> | 68% | 32,300 psi | 86% | 1273 fps | 100% |
| Vihtavuori 3N37² | <<locked>> | 72% | 33,808 psi | 90% | 1362 fps | 100% |
| Vihtavuori 3N38* | <<locked>> | 84% | 32,518 psi | 86% | 1391 fps | 94.9% |
| Vihtavuori N105 | <<locked>> | 88% | 31,937 psi | 85% | 1434 fps | 98% |
| Vihtavuori N320² | <<locked>> | 64% | 32,866 psi | 87% | 1194 fps | 100% |
| Vihtavuori N32C Tin Star | <<locked>> | 96% | 33,446 psi | 89% | 1132 fps | 100% |
| Vihtavuori N330² | <<locked>> | 64% | 32,808 psi | 87% | 1250 fps | 100% |
| Vihtavuori N340² | <<locked>> | 68% | 32,358 psi | 86% | 1276 fps | 100% |
| Vihtavuori N350² | <<locked>> | 76% | 32,285 psi | 86% | 1332 fps | 100% |
| Winchester AutoComp ² | <<locked>> | 72% | 33,388 psi | 89% | 1263 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 5.5"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate No. 2² | <<locked>> | 60% | 27,847 psi | 74% | 1214 fps | 100% |
| Accurate No. 7*² | <<locked>> | 60% | 25,599 psi | 68% | 1289 fps | 87.7% |
| Accurate Solo 1000² | <<locked>> | 60% | 27,992 psi | 74% | 1122 fps | 100% |
| Accurate Solo 1250² | <<locked>> | 60% | 24,526 psi | 65% | 1122 fps | 100% |
| ADI AP 100*² | 5.6 gr | 60% | 17,187 psi | 46% | 1056 fps | 90.4% |
| ADI APS 350² | <<locked>> | 60% | 29,428 psi | 78% | 1047 fps | 100% |
| ADI APS 450² | <<locked>> | 60% | 27,746 psi | 74% | 1053 fps | 100% |
| ADI AS 30² | <<locked>> | 60% | 28,137 psi | 75% | 1093 fps | 100% |
| ADI AS 50N² | <<locked>> | 60% | 29,950 psi | 79% | 1158 fps | 100% |
| Alliant BE-86² | <<locked>> | 60% | 25,773 psi | 68% | 1132 fps | 100% |
| Alliant BLUE DOT*² | <<locked>> | 76% | 24,801 psi | 66% | 1260 fps | 85.9% |
| Alliant Green Dot² | <<locked>> | 60% | 27,702 psi | 73% | 1129 fps | 100% |
| Alliant Herco² | <<locked>> | 60% | 19,189 psi | 51% | 1070 fps | 100% |
| Alliant POWER PISTOL*² | <<locked>> | 60% | 24,395 psi | 65% | 1250 fps | 94.9% |
| Alliant RED DOT² | <<locked>> | 60% | 26,818 psi | 71% | 1089 fps | 100% |
| Alliant UNIQUE² | <<locked>> | 60% | 25,353 psi | 67% | 1194 fps | 100% |
| Baschieri & Pellagri 100² | <<locked>> | 60% | 26,890 psi | 71% | 1112 fps | 100% |
| Baschieri & Pellagri 102 Pistol² | <<locked>> | 60% | 18,159 psi | 48% | 981 fps | 100% |
| Baschieri & Pellagri 103 Pistol² | <<locked>> | 60% | 29,588 psi | 78% | 1168 fps | 100% |
| Hodgdon Clays² | <<locked>> | 60% | 23,931 psi | 63% | 997 fps | 100% |
| Hodgdon TrailBoss² | <<locked>> | 60% | 10,109 psi | 27% | 735 fps | 100% |
| Hodgdon Universal² | <<locked>> | 60% | 29,646 psi | 79% | 1204 fps | 100% |
| Lovex D037.1*² | <<locked>> | 60% | 25,599 psi | 68% | 1289 fps | 87.7% |
| Lovex S020² | <<locked>> | 60% | 29,167 psi | 77% | 1220 fps | 100% |
| Maxam CSB 1² | <<locked>> | 60% | 23,569 psi | 63% | 1099 fps | 100% |
| Maxam CSB 2² | <<locked>> | 60% | 26,005 psi | 69% | 1135 fps | 100% |
| Maxam CSB 3² | <<locked>> | 60% | 25,788 psi | 68% | 1115 fps | 100% |
| Maxam CSB 4² | <<locked>> | 60% | 28,239 psi | 75% | 1132 fps | 100% |
| Maxam CSB 5² | <<locked>> | 60% | 30,734 psi | 82% | 1119 fps | 100% |
| ReloadSwiss RS 14² | <<locked>> | 60% | 9,921 psi | 26% | 748 fps | 100% |
| ReloadSwiss RS 20² | <<locked>> | 60% | 23,670 psi | 63% | 1168 fps | 100% |
| ReloadSwiss RS 24*² | <<locked>> | 60% | 21,988 psi | 58% | 1201 fps | 87.5% |
| Rottweil P 806² | <<locked>> | 60% | 20,175 psi | 54% | 1184 fps | 97.2% |
| Shooters World Major Pistol*² | <<locked>> | 60% | 25,599 psi | 68% | 1289 fps | 87.7% |
| SNPE Vectan A0² | <<locked>> | 60% | 23,351 psi | 62% | 1129 fps | 100% |
| SNPE Vectan A1² | <<locked>> | 60% | 28,123 psi | 75% | 1161 fps | 100% |
| SNPE Vectan BA 9² | <<locked>> | 60% | 27,325 psi | 72% | 1168 fps | 100% |
| SNPE Vectan BA10² | <<locked>> | 60% | 30,734 psi | 82% | 1093 fps | 100% |
| SNPE Vectan BA7 1/2² | <<locked>> | 60% | 20,175 psi | 54% | 1106 fps | 97.5% |
| SNPE Vectan BA9 1/2² | <<locked>> | 60% | 27,137 psi | 72% | 1165 fps | 100% |
| SNPE Vectan SP 2² | <<locked>> | 60% | 27,847 psi | 74% | 1325 fps | 98% |
| Somchem MP200² | <<locked>> | 60% | 28,268 psi | 75% | 1237 fps | 100% |
| Somchem MS200² | <<locked>> | 60% | 26,107 psi | 69% | 1181 fps | 100% |
| Vihtavuori 3N37² | <<locked>> | 60% | 23,511 psi | 62% | 1194 fps | 99.4% |
| Vihtavuori 3N38*² | <<locked>> | 64% | 18,347 psi | 49% | 1106 fps | 85.1% |
| Vihtavuori N105*² | 6.7 gr | 64% | 15,418 psi | 41% | 1076 fps | 85.8% |
| Vihtavuori N320² | <<locked>> | 60% | 29,689 psi | 79% | 1155 fps | 100% |
| Vihtavuori N32C Tin Star² | 3.7 gr | 60% | 16,389 psi | 43% | 876 fps | 100% |
| Vihtavuori N330² | <<locked>> | 60% | 28,834 psi | 76% | 1198 fps | 100% |
| Vihtavuori N340² | <<locked>> | 60% | 25,208 psi | 67% | 1171 fps | 100% |
| Vihtavuori N350² | <<locked>> | 60% | 20,726 psi | 55% | 1132 fps | 98.7% |
| Winchester AutoComp ² | <<locked>> | 60% | 24,627 psi | 65% | 1135 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 52 powders for 7.63 Mauser loaded with the .308 | 110gr | Norma FMJ RRN. Vihtavuori N105 delivers the highest muzzle velocity at 1,434 fps; across all powders the maximum-charge window runs from 968 fps to 1,434 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 9 of the 52 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (260 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. Hodgdon TrailBoss, ReloadSwiss RS 14 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 N105, ADI AP 100, Vihtavuori N32C Tin Star rank at the top here: for 7.63 Mauser with the .308 | 110gr | Norma FMJ RRN they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate No. 7, Alliant BLUE DOT, Lovex D037.1 burn incompletely and react more sensitively to barrel length and temperature. Accurate Solo 1000, Accurate Solo 1250, ADI AP 100 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.