
Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 140gr | Berger Hybrid Target bullet and 82 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 MAGPRO and Accurate High Country.
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% | 55,811 psi | 89% | 2782 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 54,012 psi | 87% | 2769 fps | 100% |
| Accurate High Country | <<locked>> | 94% | 53,127 psi | 85% | 2861 fps | 97.9% |
| Accurate MAGPRO | <<locked>> | 96% | 54,157 psi | 87% | 2867 fps | 96.9% |
| ADI AR 2208 | <<locked>> | 84% | 56,072 psi | 90% | 2736 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 54,534 psi | 87% | 2812 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 98% | 56,115 psi | 90% | 2874 fps | 98.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 38,769 psi | 62% | 2602 fps | 97.2% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 54,810 psi | 88% | 2812 fps | 98.9% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 54,810 psi | 88% | 2812 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 53,650 psi | 86% | 2710 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 54,752 psi | 88% | 2825 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 56,028 psi | 90% | 2841 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 54,099 psi | 87% | 2802 fps | 98.8% |
| Alliant Reloder-22 | <<locked>> | 98% | 55,550 psi | 89% | 2867 fps | 99.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 56,246 psi | 90% | 2841 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 48,675 psi | 78% | 2789 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 52,417 psi | 84% | 2871 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 54,389 psi | 87% | 2848 fps | 98.9% |
| Bofors RP3 | <<locked>> | 82% | 54,462 psi | 87% | 2723 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 44,614 psi | 72% | 2713 fps | 96.4% |
| Bofors RP5 | <<locked>> | 98% | 55,550 psi | 89% | 2867 fps | 99.1% |
| Bofors RP7 | <<locked>> | 86% | 53,621 psi | 86% | 2717 fps | 99.3% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 48,109 psi | 77% | 2733 fps | 97.4% |
| Hodgdon H380 | <<locked>> | 82% | 54,650 psi | 88% | 2743 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 55,811 psi | 89% | 2818 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 86% | 55,303 psi | 89% | 2779 fps | 99.1% |
| Hodgdon H4831 | <<locked>> | 96% | 56,086 psi | 90% | 2812 fps | 97.5% |
| Hodgdon H4831 SC | <<locked>> | 96% | 55,085 psi | 88% | 2799 fps | 97.3% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 54,998 psi | 88% | 2746 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 47,732 psi | 77% | 2835 fps | 98.7% |
| Hodgdon Superformance | <<locked>> | 88% | 55,956 psi | 90% | 2854 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,724 psi | 59% | 1713 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 55,361 psi | 89% | 2717 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 54,897 psi | 88% | 2753 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 86% | 55,129 psi | 88% | 2740 fps | 99.6% |
| IMR 4831 | <<locked>> | 90% | 54,230 psi | 87% | 2759 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 53,853 psi | 86% | 2743 fps | 97.3% |
| IMR 7828 SSC | <<locked>> | 98% | 53,490 psi | 86% | 2844 fps | 97.8% |
| Lovex S062 | <<locked>> | 82% | 55,738 psi | 89% | 2707 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 55,448 psi | 89% | 2740 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 53,722 psi | 86% | 2736 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 49,559 psi | 79% | 2690 fps | 99.6% |
| Norma 203B | <<locked>> | 82% | 56,405 psi | 90% | 2762 fps | 100% |
| Norma 204 | <<locked>> | 90% | 55,550 psi | 89% | 2805 fps | 98.8% |
| Norma MRP | <<locked>> | 96% | 55,245 psi | 89% | 2890 fps | 99.8% |
| Norma URP | <<locked>> | 90% | 56,014 psi | 90% | 2802 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 53,925 psi | 86% | 2861 fps | 98.2% |
| Ramshot Hunter | <<locked>> | 90% | 54,752 psi | 88% | 2805 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 52,156 psi | 84% | 2802 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,594 psi | 60% | 1755 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 54,404 psi | 87% | 2730 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 55,259 psi | 89% | 2828 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 53,592 psi | 86% | 2789 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 55,709 psi | 89% | 2871 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 47,805 psi | 77% | 2828 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 84% | 54,636 psi | 88% | 2723 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 56,246 psi | 90% | 2785 fps | 98.2% |
| Rottweil R 905 | <<locked>> | 94% | 53,403 psi | 86% | 2789 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 86% | 53,621 psi | 86% | 2717 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 88% | 55,448 psi | 89% | 2740 fps | 100% |
| Shooters World Precision | <<locked>> | 82% | 55,738 psi | 89% | 2707 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 53,722 psi | 86% | 2736 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 56,159 psi | 90% | 2779 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 55,013 psi | 88% | 2605 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 55,071 psi | 88% | 2697 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 52,953 psi | 85% | 2785 fps | 98.7% |
| Somchem S355 | <<locked>> | 84% | 54,447 psi | 87% | 2717 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 54,317 psi | 87% | 2726 fps | 97.1% |
| Somchem S365 | <<locked>> | 92% | 56,057 psi | 90% | 2805 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 54,215 psi | 87% | 2769 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 86% | 55,782 psi | 89% | 2694 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 54,578 psi | 88% | 2746 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 53,505 psi | 86% | 2746 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 88% | 53,635 psi | 86% | 2749 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 55,201 psi | 89% | 2818 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 55,332 psi | 89% | 2884 fps | 97.7% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 50,705 psi | 81% | 2795 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 53,896 psi | 86% | 2710 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 56,130 psi | 90% | 2822 fps | 99.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 52,388 psi | 84% | 2917 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 54,070 psi | 87% | 2762 fps | 98.7% |
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>> | 82% | 32,445 psi | 52% | 2352 fps | 95.9% |
| Accurate 4350 | <<locked>> | 80% | 40,930 psi | 66% | 2549 fps | 99.4% |
| Accurate High Country | 49.6 gr | 88% | 43,076 psi | 69% | 2680 fps | 95.5% |
| Accurate MAGPRO | 52.9 gr | 92% | 47,050 psi | 75% | 2743 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 49,588 psi | 80% | 2638 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 39,508 psi | 63% | 2536 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 92% | 45,861 psi | 74% | 2694 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 96% | 34,098 psi | 55% | 2480 fps | 95% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 39,639 psi | 64% | 2536 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 39,639 psi | 64% | 2536 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 50,270 psi | 81% | 2657 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 39,552 psi | 63% | 2556 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 45,368 psi | 73% | 2680 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 39,247 psi | 63% | 2530 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 88% | 39,711 psi | 64% | 2582 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,269 psi | 47% | 2329 fps | 98.2% |
| Alliant Reloder-25 | <<locked>> | 86% | 31,024 psi | 50% | 2392 fps | 95.8% |
| Alliant Reloder-26 | 46.5 gr | 80% | 31,473 psi | 50% | 2444 fps | 96.9% |
| Bofors RP15 | <<locked>> | 90% | 39,189 psi | 63% | 2569 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 50,981 psi | 82% | 2674 fps | 100% |
| Bofors RP30 | <<locked>> | 98% | 41,698 psi | 67% | 2654 fps | 95.5% |
| Bofors RP5 | <<locked>> | 88% | 39,711 psi | 64% | 2582 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 44,425 psi | 71% | 2556 fps | 97.8% |
| Hodgdon H1000 | <<locked>> | 96% | 42,003 psi | 67% | 2612 fps | 95.5% |
| Hodgdon H380 | <<locked>> | 80% | 51,213 psi | 82% | 2690 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 42,917 psi | 69% | 2598 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 80% | 45,600 psi | 73% | 2612 fps | 97.5% |
| Hodgdon H4831 | <<locked>> | 90% | 45,818 psi | 73% | 2641 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 48,124 psi | 77% | 2684 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,144 psi | 60% | 2451 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 94% | 39,218 psi | 63% | 2644 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 41,684 psi | 67% | 2608 fps | 97.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,572 psi | 44% | 1532 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 52,185 psi | 84% | 2671 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 40,074 psi | 64% | 2490 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,832 psi | 73% | 2585 fps | 98.5% |
| IMR 4831 | <<locked>> | 80% | 39,407 psi | 63% | 2503 fps | 99.3% |
| IMR 4955 Enduron | <<locked>> | 88% | 44,730 psi | 72% | 2585 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 92% | 43,961 psi | 70% | 2667 fps | 95.4% |
| Lovex S062 | <<locked>> | 80% | 52,576 psi | 84% | 2664 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 43,482 psi | 70% | 2539 fps | 99% |
| Lovex S070 | <<locked>> | 80% | 41,800 psi | 67% | 2526 fps | 97.9% |
| Lovex S071 | <<locked>> | 86% | 31,821 psi | 51% | 2336 fps | 95.6% |
| Norma 203B | <<locked>> | 80% | 52,910 psi | 85% | 2713 fps | 100% |
| Norma 204 | <<locked>> | 80% | 39,798 psi | 64% | 2520 fps | 95.3% |
| Norma MRP | <<locked>> | 82% | 33,939 psi | 54% | 2474 fps | 95% |
| Norma URP | <<locked>> | 80% | 40,640 psi | 65% | 2543 fps | 99.3% |
| Ramshot Grand | <<locked>> | 92% | 43,700 psi | 70% | 2677 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 39,479 psi | 63% | 2536 fps | 98% |
| Ramshot Magnum | <<locked>> | 90% | 36,260 psi | 58% | 2497 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,181 psi | 45% | 1572 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 51,068 psi | 82% | 2677 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 48,153 psi | 77% | 2723 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 40,785 psi | 65% | 2569 fps | 99.3% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 39,407 psi | 63% | 2582 fps | 98.9% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,998 psi | 58% | 2562 fps | 95.9% |
| Rottweil R 903 | <<locked>> | 80% | 48,153 psi | 77% | 2625 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 43,511 psi | 70% | 2569 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 84% | 38,551 psi | 62% | 2516 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 44,425 psi | 71% | 2556 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 43,482 psi | 70% | 2539 fps | 99% |
| Shooters World Precision | <<locked>> | 80% | 52,576 psi | 84% | 2664 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 41,800 psi | 67% | 2526 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 49,342 psi | 79% | 2677 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,791 psi | 78% | 2520 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,424 psi | 68% | 2487 fps | 98% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 38,203 psi | 61% | 2510 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 48,109 psi | 77% | 2621 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 47,616 psi | 76% | 2618 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 37,188 psi | 60% | 2500 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,593 psi | 59% | 2444 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 80% | 46,079 psi | 74% | 2552 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,858 psi | 67% | 2536 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 86% | 36,071 psi | 58% | 2428 fps | 95% |
| Vihtavuori N550 | <<locked>> | 80% | 41,452 psi | 66% | 2543 fps | 99.3% |
| Vihtavuori N555 | <<locked>> | 80% | 32,648 psi | 52% | 2402 fps | 98.2% |
| Vihtavuori N560 | <<locked>> | 90% | 45,034 psi | 72% | 2700 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 96% | 44,324 psi | 71% | 2677 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,843 psi | 65% | 2507 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,917 psi | 69% | 2598 fps | 98.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,962 psi | 42% | 2320 fps | 97.7% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,348 psi | 61% | 2484 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 82 powders for 6.5 x 64 Brenneke loaded with the .264 | 140gr | Berger Hybrid Target. Winchester StaBALL HD delivers the highest muzzle velocity at 2,917 fps; across all powders the maximum-charge window runs from 1,713 fps to 2,917 fps. ADI AR 2225 gives the best case fill at 100 %, and 82 of the 82 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 140.0 gr projectile in 0.264" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-23, 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. Alliant Reloder-26, Accurate MAGPRO, Accurate High Country rank at the top here: for 6.5 x 64 Brenneke with the .264 | 140gr | Berger Hybrid Target 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.