Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 156gr | RWS Evolution bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Vihtavuori N560 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>> | 94% | 54,810 psi | 88% | 2635 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 56,304 psi | 90% | 2661 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 56,246 psi | 90% | 2776 fps | 99.3% |
| Accurate MAGPRO | <<locked>> | 92% | 53,272 psi | 85% | 2720 fps | 98% |
| ADI AR 2209 | <<locked>> | 90% | 53,243 psi | 85% | 2661 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 94% | 54,723 psi | 88% | 2723 fps | 99% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,907 psi | 78% | 2628 fps | 98.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,584 psi | 70% | 2595 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 53,621 psi | 86% | 2664 fps | 99.5% |
| Alliant Reloder-16 | <<locked>> | 86% | 53,751 psi | 86% | 2664 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,505 psi | 87% | 2671 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 56,420 psi | 90% | 2707 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 94% | 54,752 psi | 88% | 2720 fps | 99.7% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,970 psi | 90% | 2690 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 54,969 psi | 88% | 2749 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 56,188 psi | 90% | 2776 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 52,968 psi | 85% | 2635 fps | 96.1% |
| Bofors RP15 | <<locked>> | 96% | 53,635 psi | 86% | 2703 fps | 99.5% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,995 psi | 82% | 2697 fps | 98.9% |
| Bofors RP5 | <<locked>> | 94% | 54,752 psi | 88% | 2720 fps | 99.7% |
| Bofors RP7 | <<locked>> | 84% | 55,303 psi | 89% | 2612 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 54,114 psi | 87% | 2713 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 84% | 54,288 psi | 87% | 2661 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 53,519 psi | 86% | 2621 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 92% | 54,665 psi | 88% | 2664 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 53,693 psi | 86% | 2651 fps | 98.3% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 53,853 psi | 86% | 2592 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,896 psi | 86% | 2818 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 54,360 psi | 87% | 2694 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,057 psi | 59% | 1637 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 53,417 psi | 86% | 2602 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 82% | 53,301 psi | 85% | 2582 fps | 99.9% |
| IMR 4831 | <<locked>> | 86% | 53,127 psi | 85% | 2605 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 55,666 psi | 89% | 2648 fps | 98.7% |
| IMR 7828 SSC | <<locked>> | 96% | 56,130 psi | 90% | 2756 fps | 99.2% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 39,146 psi | 63% | 2500 fps | 96% |
| Lovex S065 | <<locked>> | 84% | 53,838 psi | 86% | 2582 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 55,390 psi | 89% | 2628 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,811 psi | 89% | 2648 fps | 100% |
| Norma 204 | <<locked>> | 86% | 54,099 psi | 87% | 2651 fps | 99.4% |
| Norma 217ᴾ | <<locked>> | 100% | 39,305 psi | 63% | 2530 fps | 98.3% |
| Norma MRP | <<locked>> | 92% | 54,389 psi | 87% | 2740 fps | 100% |
| Norma URP | <<locked>> | 86% | 54,781 psi | 88% | 2644 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 53,011 psi | 85% | 2720 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 86% | 53,679 psi | 86% | 2654 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 55,143 psi | 88% | 2717 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,014 psi | 61% | 1677 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 56,376 psi | 90% | 2687 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 54,534 psi | 87% | 2710 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,491 psi | 87% | 2818 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,400 psi | 79% | 2710 fps | 97.5% |
| Rottweil R 904 | <<locked>> | 90% | 54,607 psi | 88% | 2638 fps | 98.9% |
| Rottweil R 905 | <<locked>> | 92% | 55,941 psi | 90% | 2697 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 84% | 55,303 psi | 89% | 2612 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 84% | 53,838 psi | 86% | 2582 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 55,390 psi | 89% | 2628 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,362 psi | 90% | 2589 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,492 psi | 89% | 2690 fps | 99.7% |
| Somchem S355 | <<locked>> | 82% | 56,043 psi | 90% | 2598 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 55,912 psi | 90% | 2631 fps | 98.6% |
| Somchem S365 | <<locked>> | 88% | 54,969 psi | 88% | 2644 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 53,142 psi | 85% | 2621 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 82% | 53,809 psi | 86% | 2530 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 53,026 psi | 85% | 2589 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,927 psi | 90% | 2651 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 86% | 55,564 psi | 89% | 2641 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,592 psi | 88% | 2667 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,273 psi | 87% | 2733 fps | 98.6% |
| Vihtavuori N565 | <<locked>> | 98% | 54,070 psi | 87% | 2717 fps | 98.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,589 psi | 81% | 2713 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,840 psi | 90% | 2598 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,607 psi | 88% | 2664 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 53,171 psi | 85% | 2766 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 56,391 psi | 90% | 2667 fps | 99.7% |
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>> | 80% | 34,374 psi | 55% | 2280 fps | 97.9% |
| Accurate 4350 | <<locked>> | 80% | 46,064 psi | 74% | 2510 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 37,115 psi | 60% | 2428 fps | 95% |
| Accurate MAGPRO | <<locked>> | 86% | 43,221 psi | 69% | 2546 fps | 95.6% |
| ADI AR 2209 | <<locked>> | 80% | 38,479 psi | 62% | 2398 fps | 96.6% |
| ADI AR 2213 | <<locked>> | 84% | 39,102 psi | 63% | 2438 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 92% | 37,739 psi | 61% | 2408 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 90% | 31,749 psi | 51% | 2320 fps | 96% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,769 psi | 62% | 2398 fps | 96.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 44,222 psi | 71% | 2516 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,995 psi | 82% | 2625 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,421 psi | 62% | 2392 fps | 96.6% |
| Alliant Reloder-22 | <<locked>> | 80% | 34,287 psi | 55% | 2339 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 33,112 psi | 53% | 2310 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,819 psi | 46% | 2224 fps | 96.5% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,969 psi | 58% | 2434 fps | 99.4% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 49,995 psi | 80% | 2582 fps | 95.3% |
| Bofors RP15 | <<locked>> | 82% | 34,084 psi | 55% | 2333 fps | 95% |
| Bofors RP30 | <<locked>> | 90% | 36,419 psi | 58% | 2421 fps | 95.2% |
| Bofors RP5 | <<locked>> | 80% | 34,287 psi | 55% | 2339 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 48,733 psi | 78% | 2510 fps | 99.4% |
| Hodgdon H1000 | <<locked>> | 88% | 36,027 psi | 58% | 2372 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 80% | 47,790 psi | 77% | 2559 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 80% | 50,256 psi | 81% | 2569 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 84% | 41,756 psi | 67% | 2444 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 84% | 41,002 psi | 66% | 2431 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,727 psi | 67% | 2408 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 34,142 psi | 55% | 2408 fps | 95.7% |
| Hodgdon Superformance | <<locked>> | 80% | 47,123 psi | 76% | 2582 fps | 99.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,789 psi | 45% | 1460 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 44,222 psi | 71% | 2451 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 50,067 psi | 80% | 2533 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 43,758 psi | 70% | 2461 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,915 psi | 66% | 2395 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 86% | 40,205 psi | 64% | 2477 fps | 95.9% |
| IMR 8133 Enduron | <<locked>> | 98% | 36,666 psi | 59% | 2444 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 47,790 psi | 77% | 2490 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 45,905 psi | 74% | 2480 fps | 99.5% |
| Lovex S071 | <<locked>> | 80% | 29,646 psi | 48% | 2169 fps | 96.2% |
| Norma 204 | <<locked>> | 80% | 43,990 psi | 71% | 2484 fps | 97.9% |
| Norma 217 | <<locked>> | 94% | 32,198 psi | 52% | 2359 fps | 95.6% |
| Norma MRP | 45.9 gr | 80% | 35,723 psi | 57% | 2402 fps | 97.3% |
| Norma URP | <<locked>> | 80% | 45,063 psi | 72% | 2497 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 37,159 psi | 60% | 2421 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 43,830 psi | 70% | 2493 fps | 99.6% |
| Ramshot Magnum | <<locked>> | 84% | 33,199 psi | 53% | 2316 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,456 psi | 46% | 1496 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,861 psi | 74% | 2530 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 44,106 psi | 71% | 2546 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 84% | 30,893 psi | 50% | 2323 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,525 psi | 68% | 2582 fps | 95.6% |
| Rottweil R 904 | <<locked>> | 80% | 39,827 psi | 64% | 2379 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 80% | 37,826 psi | 61% | 2379 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 80% | 48,733 psi | 78% | 2510 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,790 psi | 77% | 2490 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 45,905 psi | 74% | 2480 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,572 psi | 75% | 2441 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,492 psi | 60% | 2375 fps | 96.5% |
| Somchem S355 | <<locked>> | 80% | 52,924 psi | 85% | 2559 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 40,422 psi | 65% | 2369 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 42,250 psi | 68% | 2457 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,363 psi | 62% | 2365 fps | 97.6% |
| Vihtavuori N150 | <<locked>> | 80% | 50,459 psi | 81% | 2484 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,572 psi | 75% | 2490 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 33,170 psi | 53% | 2247 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 45,992 psi | 74% | 2497 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 37,188 psi | 60% | 2379 fps | 99.8% |
| Vihtavuori N560 | 48.2 gr | 84% | 41,263 psi | 66% | 2503 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 88% | 38,537 psi | 62% | 2441 fps | 95.1% |
| Vihtavuori N568 | <<locked>> | 96% | 44,005 psi | 71% | 2595 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,614 psi | 73% | 2457 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,790 psi | 77% | 2559 fps | 99.6% |
| Winchester StaBALL HD | 45.4 gr | 80% | 29,225 psi | 47% | 2323 fps | 99.9% |
| Winchester Supreme 780 | <<locked>> | 80% | 34,911 psi | 56% | 2293 fps | 95.4% |
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 74 powders for 6.5 x 64 Brenneke loaded with the .264 | 156gr | RWS Evolution. Hodgdon Retumbo delivers the highest muzzle velocity at 2,818 fps; across all powders the maximum-charge window runs from 1,637 fps to 2,818 fps. ADI AR 2217 gives the best case fill at 100 %, and 74 of the 74 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 59–90 %, 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 2217, ADI AR 2225, Alliant Reloder-25 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, Vihtavuori N560, Norma MRP rank at the top here: for 6.5 x 64 Brenneke with the .264 | 156gr | RWS Evolution 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.