Load Specifications
Load data in caliber 6.5 x 58 mm Mauser Port. with .264 | 156gr | Norma Soft Point ALASKA bullet and 59 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Alliant Reloder-26 and Ramshot Grand.
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 ≥ 80% and propellant combustion ≥ 95%. 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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 46,369 psi | 90% | 2464 fps | 99.5% |
| Accurate 4350 | <<locked>> | 84% | 45,324 psi | 88% | 2457 fps | 99.9% |
| Accurate High Country | <<locked>> | 90% | 44,150 psi | 86% | 2530 fps | 96.3% |
| ADI AR 2209 | <<locked>> | 90% | 46,151 psi | 90% | 2493 fps | 97.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 36,999 psi | 72% | 2398 fps | 96.9% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 46,253 psi | 90% | 2490 fps | 97.7% |
| Alliant Reloder-16 | <<locked>> | 86% | 46,195 psi | 90% | 2507 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 46,514 psi | 90% | 2520 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 45,716 psi | 89% | 2484 fps | 97.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 46,180 psi | 90% | 2536 fps | 97.9% |
| Alliant Reloder-23 | <<locked>> | 94% | 44,179 psi | 86% | 2487 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 46,224 psi | 90% | 2569 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 92% | 46,180 psi | 90% | 2595 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 45,527 psi | 88% | 2523 fps | 97.6% |
| Bofors RP30ᴾ | <<locked>> | 100% | 42,250 psi | 82% | 2500 fps | 96.1% |
| Bofors RP5 | <<locked>> | 94% | 46,180 psi | 90% | 2536 fps | 97.9% |
| Bofors RP7 | <<locked>> | 82% | 46,035 psi | 89% | 2411 fps | 98.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 46,035 psi | 89% | 2516 fps | 97.1% |
| Hodgdon H414 | <<locked>> | 82% | 44,034 psi | 86% | 2444 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 46,528 psi | 90% | 2448 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 45,527 psi | 88% | 2612 fps | 98.5% |
| Hodgdon Superformance | <<locked>> | 84% | 46,253 psi | 90% | 2523 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,651 psi | 71% | 1572 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 43,903 psi | 85% | 2395 fps | 98% |
| IMR 4831 | <<locked>> | 86% | 45,832 psi | 89% | 2451 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 46,006 psi | 89% | 2434 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 94% | 44,802 psi | 87% | 2510 fps | 96% |
| Lovex S065 | <<locked>> | 82% | 44,701 psi | 87% | 2388 fps | 99.4% |
| Lovex S070 | <<locked>> | 84% | 45,687 psi | 89% | 2425 fps | 98.9% |
| Lovex S071 | <<locked>> | 98% | 44,440 psi | 86% | 2434 fps | 99.2% |
| Norma 204 | <<locked>> | 84% | 43,888 psi | 85% | 2431 fps | 96.9% |
| Norma MRP | <<locked>> | 92% | 45,629 psi | 89% | 2556 fps | 98.9% |
| Norma URP | <<locked>> | 84% | 44,498 psi | 86% | 2441 fps | 99.9% |
| Ramshot Grand | <<locked>> | 94% | 44,701 psi | 87% | 2520 fps | 96.4% |
| Ramshot Hunter | <<locked>> | 86% | 46,354 psi | 90% | 2493 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 98% | 45,687 psi | 89% | 2520 fps | 98.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,347 psi | 73% | 1608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 45,005 psi | 87% | 2474 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 46,485 psi | 90% | 2543 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 45,179 psi | 88% | 2602 fps | 99.2% |
| Rottweil R 904 | <<locked>> | 88% | 44,933 psi | 87% | 2421 fps | 96.2% |
| Rottweil R 905 | <<locked>> | 90% | 44,991 psi | 87% | 2474 fps | 97.6% |
| Rottweil R 907 | <<locked>> | 82% | 46,035 psi | 89% | 2411 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 82% | 44,701 psi | 87% | 2388 fps | 99.4% |
| Shooters World SW4350 | <<locked>> | 84% | 45,687 psi | 89% | 2425 fps | 98.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 43,961 psi | 85% | 2343 fps | 98.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 44,585 psi | 87% | 2467 fps | 97.5% |
| Somchem S365 | <<locked>> | 86% | 43,772 psi | 85% | 2451 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 45,629 psi | 89% | 2454 fps | 98.4% |
| Vihtavuori N160 | <<locked>> | 84% | 46,267 psi | 90% | 2441 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 94% | 44,759 psi | 87% | 2431 fps | 97.9% |
| Vihtavuori N550 | <<locked>> | 84% | 45,353 psi | 88% | 2441 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 92% | 46,224 psi | 90% | 2507 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 45,977 psi | 89% | 2546 fps | 96% |
| Vihtavuori N565 | <<locked>> | 98% | 44,962 psi | 87% | 2523 fps | 96% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 45,136 psi | 88% | 2408 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 44,338 psi | 86% | 2451 fps | 98.6% |
| Winchester StaBALL HD | <<locked>> | 98% | 45,324 psi | 88% | 2638 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 45,078 psi | 88% | 2444 fps | 97.4% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 82% | 31,096 psi | 60% | 2169 fps | 95.8% |
| Accurate 4350 | <<locked>> | 80% | 39,320 psi | 76% | 2349 fps | 99.4% |
| Accurate High Country | <<locked>> | 88% | 41,147 psi | 80% | 2474 fps | 95.4% |
| ADI AR 2209 | <<locked>> | 84% | 37,913 psi | 74% | 2333 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 98% | 34,664 psi | 67% | 2339 fps | 95.9% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 38,305 psi | 74% | 2343 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,101 psi | 74% | 2359 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,395 psi | 84% | 2470 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 37,942 psi | 74% | 2336 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 88% | 37,898 psi | 74% | 2379 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,137 psi | 55% | 2149 fps | 98.2% |
| Alliant Reloder-25 | <<locked>> | 86% | 29,907 psi | 58% | 2211 fps | 95.7% |
| Alliant Reloder-26 | 41.1 gr | 80% | 30,008 psi | 58% | 2254 fps | 96.8% |
| Bofors RP15 | <<locked>> | 90% | 37,681 psi | 73% | 2372 fps | 95.3% |
| Bofors RP30 | <<locked>> | 98% | 39,450 psi | 77% | 2441 fps | 95.2% |
| Bofors RP5 | <<locked>> | 88% | 37,898 psi | 74% | 2379 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 43,091 psi | 84% | 2359 fps | 97.8% |
| Hodgdon H1000 | <<locked>> | 96% | 40,118 psi | 78% | 2402 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 80% | 41,176 psi | 80% | 2392 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,839 psi | 70% | 2260 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 94% | 37,536 psi | 73% | 2438 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 40,118 psi | 78% | 2408 fps | 97.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,485 psi | 53% | 1401 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 38,725 psi | 75% | 2297 fps | 96.8% |
| IMR 4831 | <<locked>> | 80% | 37,855 psi | 74% | 2310 fps | 99.3% |
| IMR 4955 Enduron | <<locked>> | 88% | 43,091 psi | 84% | 2382 fps | 95% |
| IMR 7828 SSC | <<locked>> | 92% | 42,163 psi | 82% | 2461 fps | 95.2% |
| Lovex S065 | <<locked>> | 80% | 42,119 psi | 82% | 2343 fps | 99% |
| Lovex S070 | <<locked>> | 80% | 40,335 psi | 78% | 2326 fps | 97.9% |
| Lovex S071 | <<locked>> | 86% | 30,458 psi | 59% | 2156 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 38,276 psi | 74% | 2323 fps | 95.2% |
| Norma MRP | <<locked>> | 84% | 34,708 psi | 67% | 2336 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 39,015 psi | 76% | 2346 fps | 99.3% |
| Ramshot Grand | 45.5 gr | 92% | 41,669 psi | 81% | 2464 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 37,898 psi | 74% | 2336 fps | 97.9% |
| Ramshot Magnum | <<locked>> | 92% | 36,970 psi | 72% | 2352 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,891 psi | 54% | 1434 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,262 psi | 76% | 2372 fps | 99.3% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,695 psi | 73% | 2375 fps | 98.9% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 34,301 psi | 67% | 2362 fps | 95.5% |
| Rottweil R 904 | <<locked>> | 86% | 41,989 psi | 82% | 2369 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 84% | 36,767 psi | 71% | 2316 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 80% | 43,091 psi | 84% | 2359 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,119 psi | 82% | 2343 fps | 99% |
| Shooters World SW4350 | <<locked>> | 80% | 40,335 psi | 78% | 2326 fps | 97.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,147 psi | 80% | 2293 fps | 97.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 36,477 psi | 71% | 2310 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 35,549 psi | 69% | 2306 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 35,128 psi | 68% | 2254 fps | 95.5% |
| Vihtavuori N160 | <<locked>> | 80% | 40,364 psi | 78% | 2339 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 88% | 36,985 psi | 72% | 2290 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 39,972 psi | 78% | 2346 fps | 99.3% |
| Vihtavuori N555 | <<locked>> | 80% | 31,256 psi | 61% | 2218 fps | 98.2% |
| Vihtavuori N560 | <<locked>> | 90% | 43,033 psi | 84% | 2490 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 96% | 42,003 psi | 82% | 2467 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,552 psi | 77% | 2316 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 41,466 psi | 81% | 2398 fps | 98% |
| Winchester StaBALL HD | 39.5 gr | 80% | 24,889 psi | 48% | 2139 fps | 97.6% |
| Winchester Supreme 780 | <<locked>> | 88% | 39,189 psi | 76% | 2336 fps | 95.7% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 59 powders for 6.5 x 58 mm Mauser Port. loaded with the .264 | 156gr | Norma Soft Point ALASKA. Winchester StaBALL HD delivers the highest muzzle velocity at 2,638 fps; across all powders the maximum-charge window runs from 1,572 fps to 2,638 fps. ADI AR 2225 gives the best case fill at 100 %, and 59 of the 59 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 71–90 %, leaving at least 10 % headroom. The 156.0 gr projectile in 0.264" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, Bofors RP30 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. Winchester StaBALL HD, Alliant Reloder-26, Ramshot Grand rank at the top here: for 6.5 x 58 mm Mauser Port. with the .264 | 156gr | Norma Soft Point ALASKA they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.