Load Specifications
Load data in caliber 6.5 x 57 with .264 | 139gr | Norma HP bullet and 65 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Alliant Reloder-16.
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>> | 98% | 50,546 psi | 89% | 2687 fps | 99.4% |
| Accurate 4350 | <<locked>> | 88% | 49,023 psi | 87% | 2677 fps | 99.9% |
| Accurate High Country | <<locked>> | 94% | 47,906 psi | 85% | 2753 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 82% | 49,095 psi | 87% | 2612 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 50,183 psi | 89% | 2717 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 49,937 psi | 88% | 2635 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 50,227 psi | 89% | 2736 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 51,010 psi | 90% | 2756 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 49,792 psi | 88% | 2710 fps | 97.5% |
| Alliant Reloder-22 | <<locked>> | 98% | 50,169 psi | 89% | 2762 fps | 97.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,763 psi | 90% | 2753 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,121 psi | 78% | 2680 fps | 99.3% |
| Alliant Reloder-26 | <<locked>> | 96% | 50,444 psi | 89% | 2828 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,066 psi | 87% | 2743 fps | 97.4% |
| Bofors RP3 | <<locked>> | 82% | 50,372 psi | 89% | 2648 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 50,169 psi | 89% | 2762 fps | 97.8% |
| Bofors RP7 | <<locked>> | 86% | 49,850 psi | 88% | 2631 fps | 98.3% |
| Hodgdon H380 | <<locked>> | 82% | 50,575 psi | 89% | 2657 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 86% | 48,138 psi | 85% | 2674 fps | 98.6% |
| Hodgdon H4350 | <<locked>> | 84% | 48,080 psi | 85% | 2635 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 50,575 psi | 89% | 2667 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 43,105 psi | 76% | 2707 fps | 96.6% |
| Hodgdon Superformance | <<locked>> | 88% | 50,821 psi | 90% | 2756 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,448 psi | 64% | 1680 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 50,836 psi | 90% | 2664 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 84% | 48,370 psi | 86% | 2605 fps | 98.4% |
| IMR 4831 | <<locked>> | 90% | 49,951 psi | 88% | 2677 fps | 100% |
| IMR 7828 SSC | <<locked>> | 98% | 48,936 psi | 87% | 2736 fps | 96% |
| Lovex S065 | <<locked>> | 86% | 48,559 psi | 86% | 2608 fps | 99.4% |
| Lovex S070 | <<locked>> | 88% | 49,734 psi | 88% | 2648 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 44,773 psi | 79% | 2592 fps | 98.7% |
| Norma 204 | <<locked>> | 90% | 51,053 psi | 90% | 2710 fps | 97.5% |
| Norma MRP | <<locked>> | 96% | 49,734 psi | 88% | 2785 fps | 98.8% |
| Norma URP | <<locked>> | 88% | 48,414 psi | 86% | 2667 fps | 99.9% |
| Ramshot Grand | <<locked>> | 98% | 48,979 psi | 87% | 2746 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 90% | 50,154 psi | 89% | 2717 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,949 psi | 83% | 2690 fps | 97.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,057 psi | 66% | 1719 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 50,647 psi | 90% | 2648 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 50,415 psi | 89% | 2746 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 49,066 psi | 87% | 2703 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 50,865 psi | 90% | 2779 fps | 99.9% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,062 psi | 76% | 2703 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 84% | 50,546 psi | 89% | 2644 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 48,718 psi | 86% | 2641 fps | 96% |
| Rottweil R 905 | <<locked>> | 94% | 48,791 psi | 86% | 2694 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 86% | 49,850 psi | 88% | 2631 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 86% | 48,559 psi | 86% | 2608 fps | 99.4% |
| Shooters World SW4350 | <<locked>> | 88% | 49,734 psi | 88% | 2648 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 48,602 psi | 86% | 2651 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 48,588 psi | 86% | 2497 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 51,010 psi | 90% | 2612 fps | 98.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 48,356 psi | 85% | 2687 fps | 97.4% |
| Somchem S355 | <<locked>> | 84% | 50,560 psi | 89% | 2641 fps | 100% |
| Somchem S365 | <<locked>> | 92% | 50,676 psi | 90% | 2720 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 49,588 psi | 88% | 2674 fps | 98.3% |
| Vihtavuori N150 | <<locked>> | 84% | 48,530 psi | 86% | 2572 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 50,038 psi | 88% | 2661 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 98% | 48,805 psi | 86% | 2651 fps | 97.8% |
| Vihtavuori N550 | <<locked>> | 88% | 49,342 psi | 87% | 2667 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 96% | 49,821 psi | 88% | 2726 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 49,443 psi | 87% | 2631 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 48,138 psi | 85% | 2674 fps | 98.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,745 psi | 81% | 2812 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 49,342 psi | 87% | 2664 fps | 97.3% |
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>> | 86% | 33,562 psi | 59% | 2365 fps | 95.6% |
| Accurate 4350 | <<locked>> | 80% | 37,333 psi | 66% | 2461 fps | 98.4% |
| Accurate High Country | <<locked>> | 92% | 44,831 psi | 79% | 2697 fps | 95.3% |
| ADI AR 2208 | <<locked>> | 80% | 46,398 psi | 82% | 2562 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 41,336 psi | 73% | 2549 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,862 psi | 83% | 2589 fps | 100% |
| Alliant Reloder-16 | 39.1 gr | 80% | 36,521 psi | 65% | 2474 fps | 98.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,292 psi | 73% | 2592 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 40,872 psi | 72% | 2543 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 41,278 psi | 73% | 2595 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,832 psi | 47% | 2241 fps | 96.4% |
| Alliant Reloder-25 | <<locked>> | 90% | 32,198 psi | 57% | 2405 fps | 95.5% |
| Alliant Reloder-26 | 44.2 gr | 82% | 30,443 psi | 54% | 2398 fps | 95.6% |
| Bofors RP15 | <<locked>> | 94% | 40,451 psi | 72% | 2575 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 47,210 psi | 83% | 2598 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 41,278 psi | 73% | 2595 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 41,510 psi | 73% | 2477 fps | 96.5% |
| Hodgdon H380 | <<locked>> | 80% | 47,442 psi | 84% | 2608 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 80% | 39,378 psi | 70% | 2507 fps | 96.5% |
| Hodgdon H4350 | <<locked>> | 80% | 42,366 psi | 75% | 2530 fps | 96% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,968 psi | 60% | 2369 fps | 99% |
| Hodgdon Retumbo | <<locked>> | 98% | 40,451 psi | 72% | 2648 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 38,247 psi | 68% | 2513 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,195 psi | 48% | 1499 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 37,086 psi | 66% | 2405 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,989 psi | 76% | 2507 fps | 97.3% |
| IMR 4831 | <<locked>> | 80% | 36,056 psi | 64% | 2421 fps | 98.2% |
| IMR 7828 SSC | <<locked>> | 96% | 45,788 psi | 81% | 2677 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 40,524 psi | 72% | 2461 fps | 98% |
| Lovex S070 | <<locked>> | 80% | 38,653 psi | 68% | 2441 fps | 96.5% |
| Lovex S071 | <<locked>> | 90% | 32,677 psi | 58% | 2343 fps | 95.3% |
| Norma 204 | <<locked>> | 84% | 41,742 psi | 74% | 2539 fps | 95.2% |
| Norma MRP | 46.1 gr | 88% | 37,797 psi | 67% | 2552 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 37,231 psi | 66% | 2457 fps | 98.3% |
| Ramshot Grand | <<locked>> | 96% | 45,426 psi | 80% | 2684 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 35,940 psi | 64% | 2441 fps | 96.3% |
| Ramshot Magnum | <<locked>> | 96% | 40,408 psi | 71% | 2566 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,804 psi | 49% | 1539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,587 psi | 84% | 2595 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,859 psi | 78% | 2641 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,231 psi | 66% | 2480 fps | 98.2% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 36,172 psi | 64% | 2487 fps | 97.5% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 37,391 psi | 66% | 2572 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 80% | 44,382 psi | 78% | 2546 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 45,687 psi | 81% | 2585 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 88% | 40,016 psi | 71% | 2526 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 41,510 psi | 73% | 2477 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,524 psi | 72% | 2461 fps | 98% |
| Shooters World SW4350 | <<locked>> | 80% | 38,653 psi | 68% | 2441 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,310 psi | 80% | 2595 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,832 psi | 81% | 2457 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,508 psi | 70% | 2405 fps | 96.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 42,366 psi | 75% | 2579 fps | 95.8% |
| Somchem S355 | <<locked>> | 80% | 44,817 psi | 79% | 2546 fps | 100% |
| Somchem S365 | <<locked>> | 80% | 33,634 psi | 59% | 2415 fps | 99.7% |
| Somchem S385 | <<locked>> | 86% | 38,130 psi | 67% | 2461 fps | 95.4% |
| Vihtavuori N150 | <<locked>> | 80% | 42,641 psi | 75% | 2480 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,522 psi | 68% | 2454 fps | 98.6% |
| Vihtavuori N165 | <<locked>> | 92% | 40,147 psi | 71% | 2493 fps | 95.6% |
| Vihtavuori N550 | <<locked>> | 80% | 38,058 psi | 67% | 2457 fps | 98.3% |
| Vihtavuori N555 | <<locked>> | 80% | 29,559 psi | 52% | 2313 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,710 psi | 67% | 2428 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 39,378 psi | 70% | 2507 fps | 96.5% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,237 psi | 45% | 2267 fps | 96.2% |
| Winchester Supreme 780 | <<locked>> | 92% | 42,859 psi | 76% | 2552 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 78 powders for 6.5 x 57 loaded with the .264 | 139gr | Norma HP. Alliant Reloder-26 delivers the highest muzzle velocity at 2,828 fps; across all powders the maximum-charge window runs from 1,680 fps to 2,828 fps. ADI AR 2217 gives the best case fill at 100 %, and 78 of the 78 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 139.0 gr projectile in 0.264" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-23 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, Norma MRP, Alliant Reloder-16 rank at the top here: for 6.5 x 57 with the .264 | 139gr | Norma HP they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2217, ADI AR 2225 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.