Load Specifications
Load data in caliber 6.5 x 57 with .264 | 150gr | Sierra MatchKing bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Accurate High Country 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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 96% | 48,095 psi | 85% | 2546 fps | 99.5% |
| Accurate 4350 | <<locked>> | 88% | 50,357 psi | 89% | 2592 fps | 100% |
| Accurate High Country | <<locked>> | 94% | 49,313 psi | 87% | 2677 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 49,980 psi | 88% | 2516 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 51,097 psi | 90% | 2628 fps | 98.2% |
| ADI AR 2213 | <<locked>> | 96% | 48,747 psi | 86% | 2618 fps | 96.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 50,952 psi | 90% | 2543 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 51,169 psi | 90% | 2641 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 48,428 psi | 86% | 2608 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 50,749 psi | 90% | 2621 fps | 98.2% |
| Alliant Reloder-22 | <<locked>> | 96% | 47,877 psi | 85% | 2621 fps | 97.9% |
| Alliant Reloder-23 | <<locked>> | 98% | 48,704 psi | 86% | 2615 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,063 psi | 80% | 2602 fps | 99.7% |
| Alliant Reloder-26 | <<locked>> | 94% | 48,095 psi | 85% | 2684 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,140 psi | 89% | 2657 fps | 98.2% |
| Bofors RP5 | <<locked>> | 96% | 47,877 psi | 85% | 2621 fps | 97.9% |
| Bofors RP7 | <<locked>> | 86% | 51,039 psi | 90% | 2546 fps | 98.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 44,672 psi | 79% | 2539 fps | 96.3% |
| Hodgdon H414 | <<locked>> | 86% | 49,037 psi | 87% | 2585 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 84% | 49,052 psi | 87% | 2549 fps | 98.1% |
| Hodgdon H4831 | <<locked>> | 94% | 49,110 psi | 87% | 2575 fps | 96% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,184 psi | 90% | 2608 fps | 96.5% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 48,196 psi | 85% | 2526 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,048 psi | 78% | 2635 fps | 97.7% |
| Hodgdon Superformance | <<locked>> | 86% | 48,356 psi | 85% | 2612 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,477 psi | 64% | 1604 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 48,820 psi | 86% | 2530 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 84% | 49,429 psi | 87% | 2520 fps | 99% |
| IMR 4831 | <<locked>> | 90% | 50,981 psi | 90% | 2585 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,778 psi | 90% | 2566 fps | 96.6% |
| IMR 7828 SSC | <<locked>> | 98% | 49,835 psi | 88% | 2651 fps | 97% |
| Lovex S065 | <<locked>> | 86% | 49,443 psi | 87% | 2520 fps | 99.7% |
| Lovex S070 | <<locked>> | 88% | 50,488 psi | 89% | 2556 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,137 psi | 82% | 2516 fps | 99.3% |
| Norma 204 | <<locked>> | 88% | 48,921 psi | 86% | 2572 fps | 97.7% |
| Norma MRP | <<locked>> | 96% | 50,937 psi | 90% | 2700 fps | 99.4% |
| Norma URP | <<locked>> | 88% | 49,255 psi | 87% | 2575 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 50,198 psi | 89% | 2671 fps | 97.4% |
| Ramshot Hunter | <<locked>> | 88% | 48,153 psi | 85% | 2579 fps | 99.5% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,718 psi | 84% | 2605 fps | 98.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,144 psi | 66% | 1640 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 48,008 psi | 85% | 2602 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 50,038 psi | 88% | 2612 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 48,631 psi | 86% | 2635 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,859 psi | 78% | 2628 fps | 98.6% |
| Rottweil R 903 | <<locked>> | 82% | 48,443 psi | 86% | 2507 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 49,690 psi | 88% | 2556 fps | 96.9% |
| Rottweil R 905 | <<locked>> | 94% | 49,792 psi | 88% | 2605 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 86% | 51,039 psi | 90% | 2546 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 86% | 49,443 psi | 87% | 2520 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 50,488 psi | 89% | 2556 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 49,574 psi | 88% | 2559 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 49,603 psi | 88% | 2408 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 48,820 psi | 86% | 2474 fps | 99% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 49,356 psi | 87% | 2602 fps | 98.1% |
| Somchem S355 | <<locked>> | 82% | 48,385 psi | 86% | 2500 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 50,937 psi | 90% | 2549 fps | 96.3% |
| Somchem S365 | <<locked>> | 90% | 48,486 psi | 86% | 2579 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 50,647 psi | 90% | 2589 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 84% | 49,371 psi | 87% | 2480 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 47,935 psi | 85% | 2523 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 98% | 49,763 psi | 88% | 2566 fps | 98.5% |
| Vihtavuori N550 | <<locked>> | 88% | 50,343 psi | 89% | 2575 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 50,981 psi | 90% | 2638 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 47,964 psi | 85% | 2635 fps | 96.1% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 46,746 psi | 83% | 2608 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 50,401 psi | 89% | 2539 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 49,371 psi | 87% | 2592 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,775 psi | 83% | 2723 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 50,256 psi | 89% | 2579 fps | 98.1% |
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>> | 82% | 30,168 psi | 53% | 2195 fps | 95% |
| Accurate 4350 | <<locked>> | 80% | 38,247 psi | 68% | 2382 fps | 99.1% |
| Accurate High Country | 45.2 gr | 90% | 42,699 psi | 75% | 2559 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 47,108 psi | 83% | 2470 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 39,566 psi | 70% | 2421 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 94% | 45,876 psi | 81% | 2569 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,718 psi | 84% | 2493 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 37,217 psi | 66% | 2392 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,177 psi | 75% | 2503 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 39,233 psi | 69% | 2415 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 90% | 39,378 psi | 70% | 2461 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,398 psi | 48% | 2175 fps | 97.5% |
| Alliant Reloder-25 | <<locked>> | 88% | 31,053 psi | 55% | 2290 fps | 95.9% |
| Alliant Reloder-26 | 41.4 gr | 80% | 29,095 psi | 51% | 2277 fps | 95.9% |
| Bofors RP15 | <<locked>> | 92% | 38,856 psi | 69% | 2448 fps | 95.3% |
| Bofors RP5 | <<locked>> | 90% | 39,378 psi | 70% | 2461 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 42,206 psi | 75% | 2395 fps | 97.3% |
| Hodgdon H1000 | <<locked>> | 98% | 41,989 psi | 74% | 2487 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 40,118 psi | 71% | 2428 fps | 97.4% |
| Hodgdon H4350 | <<locked>> | 80% | 43,279 psi | 77% | 2448 fps | 96.9% |
| Hodgdon H4831 | <<locked>> | 92% | 45,919 psi | 81% | 2520 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 94% | 48,167 psi | 85% | 2559 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,925 psi | 62% | 2293 fps | 99.5% |
| Hodgdon Retumbo | <<locked>> | 96% | 38,885 psi | 69% | 2520 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 39,001 psi | 69% | 2438 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,383 psi | 48% | 1434 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 37,855 psi | 67% | 2329 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,714 psi | 77% | 2425 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 36,869 psi | 65% | 2343 fps | 98.9% |
| IMR 4955 Enduron | <<locked>> | 90% | 44,904 psi | 79% | 2467 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 94% | 43,801 psi | 77% | 2543 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 41,234 psi | 73% | 2379 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 39,392 psi | 70% | 2359 fps | 97.4% |
| Lovex S071 | <<locked>> | 88% | 31,473 psi | 56% | 2228 fps | 95.6% |
| Norma 204 | <<locked>> | 82% | 39,929 psi | 71% | 2408 fps | 95.4% |
| Norma MRP | 42.2 gr | 84% | 33,678 psi | 60% | 2362 fps | 95% |
| Norma URP | <<locked>> | 80% | 38,043 psi | 67% | 2379 fps | 99% |
| Ramshot Grand | <<locked>> | 94% | 43,584 psi | 77% | 2549 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 36,898 psi | 65% | 2369 fps | 97.4% |
| Ramshot Magnum | <<locked>> | 92% | 36,027 psi | 64% | 2382 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,789 psi | 49% | 1467 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,817 psi | 79% | 2549 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,116 psi | 67% | 2402 fps | 98.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 36,985 psi | 65% | 2415 fps | 98.4% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 35,694 psi | 63% | 2444 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 80% | 45,295 psi | 80% | 2457 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 43,787 psi | 77% | 2454 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 86% | 38,334 psi | 68% | 2398 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 42,206 psi | 75% | 2395 fps | 97.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,234 psi | 73% | 2379 fps | 98.7% |
| Shooters World SW4350 | <<locked>> | 80% | 39,392 psi | 70% | 2359 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,441 psi | 82% | 2510 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,354 psi | 82% | 2362 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,263 psi | 71% | 2326 fps | 97.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 37,971 psi | 67% | 2392 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 45,571 psi | 81% | 2457 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 47,761 psi | 84% | 2497 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 34,519 psi | 61% | 2339 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 36,550 psi | 65% | 2333 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 80% | 43,468 psi | 77% | 2392 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,378 psi | 70% | 2375 fps | 99.2% |
| Vihtavuori N165 | <<locked>> | 88% | 35,940 psi | 64% | 2316 fps | 95% |
| Vihtavuori N550 | <<locked>> | 80% | 38,972 psi | 69% | 2379 fps | 99% |
| Vihtavuori N555 | <<locked>> | 80% | 30,327 psi | 54% | 2247 fps | 97.6% |
| Vihtavuori N560 | <<locked>> | 92% | 44,570 psi | 79% | 2572 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 98% | 43,685 psi | 77% | 2552 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,566 psi | 68% | 2349 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 40,393 psi | 71% | 2431 fps | 97.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,192 psi | 43% | 2156 fps | 96.5% |
| Winchester Supreme 780 | <<locked>> | 88% | 38,334 psi | 68% | 2369 fps | 95% |
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 70 powders for 6.5 x 57 loaded with the .264 | 150gr | Sierra MatchKing. Winchester StaBALL HD delivers the highest muzzle velocity at 2,723 fps; across all powders the maximum-charge window runs from 1,604 fps to 2,723 fps. Alliant Reloder-25 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 64–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.264" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-25, Bofors RP15, Hodgdon H1000 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, Accurate High Country, Norma MRP rank at the top here: for 6.5 x 57 with the .264 | 150gr | Sierra MatchKing 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.