Load Specifications
Load data in caliber 6.5 x 58 mm Mauser Port. with .264 | 155gr | CutEdge DGSC bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Winchester StaBALL HD and Norma MRP.
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>> | 96% | 46,050 psi | 89% | 2467 fps | 99.3% |
| Accurate 4350 | <<locked>> | 86% | 45,107 psi | 88% | 2461 fps | 99.9% |
| Accurate High Country | <<locked>> | 92% | 43,888 psi | 85% | 2530 fps | 95.9% |
| ADI AR 2209 | <<locked>> | 92% | 46,354 psi | 90% | 2497 fps | 97.4% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 43,497 psi | 84% | 2448 fps | 96.7% |
| Alliant Reloder-16 | <<locked>> | 88% | 46,427 psi | 90% | 2516 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 43,700 psi | 85% | 2480 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 46,079 psi | 89% | 2493 fps | 97.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 46,180 psi | 90% | 2539 fps | 97.6% |
| Alliant Reloder-23 | <<locked>> | 96% | 43,947 psi | 85% | 2490 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,265 psi | 84% | 2520 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 94% | 46,021 psi | 89% | 2602 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 45,513 psi | 88% | 2530 fps | 97.3% |
| Bofors RP5 | <<locked>> | 96% | 46,180 psi | 90% | 2539 fps | 97.6% |
| Bofors RP7 | <<locked>> | 84% | 46,267 psi | 90% | 2418 fps | 98.3% |
| Hodgdon H414 | <<locked>> | 84% | 44,440 psi | 86% | 2457 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 82% | 44,483 psi | 86% | 2421 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 43,729 psi | 85% | 2408 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 42,337 psi | 82% | 2549 fps | 97.3% |
| Hodgdon Superformance | <<locked>> | 84% | 43,468 psi | 84% | 2477 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,463 psi | 71% | 1565 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 44,440 psi | 86% | 2408 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 45,237 psi | 88% | 2398 fps | 98.4% |
| IMR 4831 | <<locked>> | 88% | 45,832 psi | 89% | 2457 fps | 99.9% |
| Lovex S065 | <<locked>> | 84% | 45,034 psi | 87% | 2398 fps | 99.3% |
| Lovex S070 | <<locked>> | 86% | 45,788 psi | 89% | 2431 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 44,019 psi | 85% | 2434 fps | 99% |
| Norma 204 | <<locked>> | 86% | 44,193 psi | 86% | 2441 fps | 96.7% |
| Norma MRP | <<locked>> | 94% | 45,542 psi | 88% | 2562 fps | 98.7% |
| Norma URP | <<locked>> | 86% | 44,512 psi | 86% | 2448 fps | 99.8% |
| Ramshot Grand | <<locked>> | 96% | 44,904 psi | 87% | 2526 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 88% | 46,282 psi | 90% | 2497 fps | 99.3% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,093 psi | 90% | 2530 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,115 psi | 72% | 1601 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 46,499 psi | 90% | 2526 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 44,962 psi | 87% | 2480 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 43,700 psi | 85% | 2500 fps | 99.7% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,090 psi | 82% | 2543 fps | 98.2% |
| Rottweil R 903 | <<locked>> | 82% | 46,543 psi | 90% | 2428 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 45,353 psi | 88% | 2431 fps | 96% |
| Rottweil R 905 | <<locked>> | 92% | 44,918 psi | 87% | 2477 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 84% | 46,267 psi | 90% | 2418 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 84% | 45,034 psi | 87% | 2398 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 86% | 45,788 psi | 89% | 2431 fps | 98.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 44,179 psi | 86% | 2349 fps | 98.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 44,512 psi | 86% | 2470 fps | 97.2% |
| Somchem S365 | <<locked>> | 88% | 43,613 psi | 85% | 2457 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 45,498 psi | 88% | 2457 fps | 98.1% |
| Vihtavuori N150 | <<locked>> | 82% | 44,802 psi | 87% | 2362 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 46,456 psi | 90% | 2451 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 96% | 44,802 psi | 87% | 2438 fps | 97.6% |
| Vihtavuori N550 | <<locked>> | 86% | 45,745 psi | 89% | 2454 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 94% | 45,759 psi | 89% | 2507 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 45,542 psi | 88% | 2421 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 44,440 psi | 86% | 2457 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,918 psi | 87% | 2641 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 45,237 psi | 88% | 2451 fps | 97.1% |
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>> | 84% | 30,603 psi | 59% | 2169 fps | 95.3% |
| Accurate 4350 | <<locked>> | 80% | 36,564 psi | 71% | 2306 fps | 98.9% |
| Accurate High Country | <<locked>> | 90% | 41,089 psi | 80% | 2477 fps | 95.1% |
| ADI AR 2209 | <<locked>> | 86% | 38,290 psi | 74% | 2346 fps | 95% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 38,319 psi | 74% | 2346 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,897 psi | 70% | 2316 fps | 99% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,640 psi | 79% | 2428 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 37,913 psi | 74% | 2339 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 90% | 37,855 psi | 74% | 2385 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,063 psi | 51% | 2096 fps | 97% |
| Alliant Reloder-25 | <<locked>> | 88% | 29,588 psi | 57% | 2208 fps | 95.2% |
| Alliant Reloder-26 | 40 gr | 80% | 27,644 psi | 54% | 2192 fps | 95.2% |
| Bofors RP15 | <<locked>> | 94% | 39,769 psi | 77% | 2421 fps | 95.7% |
| Bofors RP5 | <<locked>> | 90% | 37,855 psi | 74% | 2385 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 40,799 psi | 79% | 2320 fps | 97.1% |
| Hodgdon H414 | <<locked>> | 80% | 38,841 psi | 75% | 2352 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 80% | 41,814 psi | 81% | 2372 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,431 psi | 65% | 2221 fps | 99.4% |
| Hodgdon Retumbo | <<locked>> | 96% | 37,376 psi | 73% | 2438 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 37,478 psi | 73% | 2359 fps | 96.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 53% | 1391 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 36,608 psi | 71% | 2257 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,235 psi | 82% | 2346 fps | 97.8% |
| IMR 4831 | <<locked>> | 80% | 35,389 psi | 69% | 2267 fps | 98.6% |
| Lovex S065 | <<locked>> | 80% | 39,769 psi | 77% | 2303 fps | 98.5% |
| Lovex S070 | <<locked>> | 80% | 37,956 psi | 74% | 2287 fps | 97.1% |
| Lovex S071 | <<locked>> | 90% | 31,749 psi | 62% | 2195 fps | 95.8% |
| Norma 204 | <<locked>> | 82% | 38,566 psi | 75% | 2333 fps | 95% |
| Norma MRP | 41.7 gr | 86% | 34,447 psi | 67% | 2336 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 36,593 psi | 71% | 2303 fps | 98.8% |
| Ramshot Grand | <<locked>> | 94% | 41,713 psi | 81% | 2464 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 35,418 psi | 69% | 2293 fps | 97% |
| Ramshot Magnum | <<locked>> | 94% | 36,840 psi | 72% | 2352 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,688 psi | 54% | 1427 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,265 psi | 84% | 2474 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,448 psi | 71% | 2326 fps | 98.6% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 35,375 psi | 69% | 2329 fps | 98.1% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 34,069 psi | 66% | 2356 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 43,627 psi | 85% | 2382 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 42,264 psi | 82% | 2375 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 88% | 39,363 psi | 76% | 2372 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 40,799 psi | 79% | 2320 fps | 97.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,769 psi | 77% | 2303 fps | 98.5% |
| Shooters World SW4350 | <<locked>> | 80% | 37,956 psi | 74% | 2287 fps | 97.1% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,914 psi | 76% | 2254 fps | 97.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 39,001 psi | 76% | 2369 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 33,011 psi | 64% | 2264 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 34,998 psi | 68% | 2257 fps | 95.2% |
| Vihtavuori N150 | <<locked>> | 80% | 42,018 psi | 82% | 2320 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,014 psi | 74% | 2303 fps | 99% |
| Vihtavuori N165 | <<locked>> | 90% | 36,680 psi | 71% | 2287 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 37,362 psi | 73% | 2303 fps | 98.7% |
| Vihtavuori N555 | <<locked>> | 80% | 28,689 psi | 56% | 2165 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,043 psi | 72% | 2277 fps | 99.9% |
| Winchester 760 | <<locked>> | 80% | 38,841 psi | 75% | 2352 fps | 97.2% |
| Winchester StaBALL HD | 38.4 gr | 80% | 22,814 psi | 44% | 2067 fps | 95.4% |
| Winchester Supreme 780 | <<locked>> | 90% | 39,349 psi | 76% | 2346 fps | 95.5% |
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 57 powders for 6.5 x 58 mm Mauser Port. loaded with the .264 | 155gr | CutEdge DGSC. Winchester StaBALL HD delivers the highest muzzle velocity at 2,641 fps; across all powders the maximum-charge window runs from 1,565 fps to 2,641 fps. Alliant Reloder-25 gives the best case fill at 100 %, and 57 of the 57 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 155.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-25, Hodgdon Retumbo, 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. Alliant Reloder-26, Winchester StaBALL HD, Norma MRP rank at the top here: for 6.5 x 58 mm Mauser Port. with the .264 | 155gr | CutEdge DGSC 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.