Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 130gr | Barnes X S bullet and 77 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.
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Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 96% | 53,838 psi | 86% | 2831 fps | 99.7% |
| Accurate 4350 | <<locked>> | 88% | 55,492 psi | 89% | 2874 fps | 100% |
| Accurate High Country | <<locked>> | 94% | 54,331 psi | 87% | 2963 fps | 97.5% |
| Accurate MAGPRO | <<locked>> | 96% | 54,882 psi | 88% | 2956 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 82% | 53,417 psi | 86% | 2782 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 55,521 psi | 89% | 2910 fps | 98.4% |
| ADI AR 2213 | <<locked>> | 96% | 53,171 psi | 85% | 2900 fps | 96.8% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 40,059 psi | 64% | 2694 fps | 96.6% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 55,550 psi | 89% | 2904 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 54,781 psi | 88% | 2812 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 55,477 psi | 89% | 2923 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 53,011 psi | 85% | 2887 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 54,853 psi | 88% | 2897 fps | 98.3% |
| Alliant Reloder-22 | <<locked>> | 98% | 56,260 psi | 90% | 2963 fps | 98.7% |
| Alliant Reloder-23 | <<locked>> | 98% | 53,722 psi | 86% | 2897 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 49,603 psi | 80% | 2884 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 94% | 53,592 psi | 86% | 2976 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 55,158 psi | 88% | 2943 fps | 98.4% |
| Bofors RP3 | <<locked>> | 82% | 55,970 psi | 90% | 2831 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 56,260 psi | 90% | 2963 fps | 98.7% |
| Bofors RP7 | <<locked>> | 86% | 54,969 psi | 88% | 2815 fps | 99% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 49,226 psi | 79% | 2822 fps | 96.7% |
| Hodgdon H380 | <<locked>> | 82% | 55,854 psi | 90% | 2844 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 53,359 psi | 86% | 2864 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 86% | 56,217 psi | 90% | 2874 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 94% | 53,185 psi | 85% | 2844 fps | 96.1% |
| Hodgdon H4831 SC | <<locked>> | 96% | 55,695 psi | 89% | 2887 fps | 96.7% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 55,999 psi | 90% | 2848 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 48,617 psi | 78% | 2923 fps | 98.1% |
| Hodgdon Superformance | <<locked>> | 86% | 53,098 psi | 85% | 2894 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,115 psi | 60% | 1781 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 56,246 psi | 90% | 2815 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 55,796 psi | 89% | 2848 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 86% | 56,028 psi | 90% | 2838 fps | 99.4% |
| IMR 4831 | <<locked>> | 90% | 55,535 psi | 89% | 2861 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 54,897 psi | 88% | 2838 fps | 96.7% |
| IMR 7828 SSC | <<locked>> | 98% | 54,462 psi | 87% | 2936 fps | 97.2% |
| Lovex S065 | <<locked>> | 86% | 53,548 psi | 86% | 2789 fps | 99.7% |
| Lovex S070 | <<locked>> | 88% | 54,868 psi | 88% | 2835 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 51,387 psi | 82% | 2795 fps | 99.5% |
| Norma 204 | <<locked>> | 88% | 52,866 psi | 85% | 2841 fps | 97.8% |
| Norma MRP | <<locked>> | 96% | 55,956 psi | 90% | 2989 fps | 99.5% |
| Norma URP | <<locked>> | 88% | 53,679 psi | 86% | 2851 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 54,839 psi | 88% | 2956 fps | 97.6% |
| Ramshot Hunter | <<locked>> | 90% | 55,898 psi | 90% | 2907 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 53,185 psi | 85% | 2897 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,782 psi | 61% | 1824 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 55,637 psi | 89% | 2828 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 55,999 psi | 90% | 2930 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 55,158 psi | 88% | 2897 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 52,924 psi | 85% | 2913 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 49,023 psi | 79% | 2923 fps | 99% |
| Rottweil R 903 | <<locked>> | 84% | 56,434 psi | 90% | 2831 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 53,577 psi | 86% | 2822 fps | 97% |
| Rottweil R 905 | <<locked>> | 94% | 54,404 psi | 87% | 2884 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 86% | 54,969 psi | 88% | 2815 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 86% | 53,548 psi | 86% | 2789 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 54,868 psi | 88% | 2835 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 53,534 psi | 86% | 2828 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 55,898 psi | 90% | 2700 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 56,101 psi | 90% | 2792 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 53,940 psi | 86% | 2881 fps | 98.3% |
| Somchem S355 | <<locked>> | 84% | 56,086 psi | 90% | 2825 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 55,143 psi | 88% | 2815 fps | 96.5% |
| Somchem S365 | <<locked>> | 90% | 53,563 psi | 86% | 2861 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 55,361 psi | 89% | 2867 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 84% | 53,722 psi | 86% | 2749 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 55,347 psi | 89% | 2841 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 54,302 psi | 87% | 2838 fps | 98.6% |
| Vihtavuori N550 | <<locked>> | 88% | 54,853 psi | 88% | 2851 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 53,185 psi | 85% | 2874 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 55,927 psi | 90% | 2976 fps | 97.1% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 52,127 psi | 84% | 2894 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 54,578 psi | 88% | 2805 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 53,359 psi | 86% | 2864 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 53,011 psi | 85% | 3022 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 54,795 psi | 88% | 2854 fps | 98.2% |
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% | 32,808 psi | 53% | 2418 fps | 95.1% |
| Accurate 4350 | <<locked>> | 80% | 43,265 psi | 69% | 2664 fps | 99.4% |
| Accurate High Country | 50.3 gr | 88% | 44,440 psi | 71% | 2779 fps | 95% |
| Accurate MAGPRO | <<locked>> | 94% | 51,532 psi | 83% | 2900 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 50,531 psi | 81% | 2736 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 43,279 psi | 69% | 2684 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 92% | 46,876 psi | 75% | 2785 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 98% | 37,811 psi | 61% | 2635 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 41,046 psi | 66% | 2635 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 51,547 psi | 83% | 2759 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 40,756 psi | 65% | 2657 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 46,369 psi | 74% | 2779 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 42,975 psi | 69% | 2677 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 41,176 psi | 66% | 2680 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,038 psi | 50% | 2438 fps | 98.1% |
| Alliant Reloder-25 | <<locked>> | 86% | 32,764 psi | 53% | 2500 fps | 95.6% |
| Alliant Reloder-26 | 47.1 gr | 80% | 33,257 psi | 53% | 2556 fps | 96.8% |
| Bofors RP15 | <<locked>> | 92% | 43,221 psi | 69% | 2726 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 52,649 psi | 84% | 2782 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 41,176 psi | 66% | 2680 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 45,818 psi | 73% | 2654 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 98% | 46,180 psi | 74% | 2762 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 52,518 psi | 84% | 2792 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 44,164 psi | 71% | 2697 fps | 97.7% |
| Hodgdon H4350 | <<locked>> | 80% | 46,586 psi | 75% | 2707 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 49,908 psi | 80% | 2789 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 49,037 psi | 79% | 2772 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 38,624 psi | 62% | 2552 fps | 99.7% |
| Hodgdon Retumbo | <<locked>> | 94% | 40,582 psi | 65% | 2743 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 80% | 42,960 psi | 69% | 2707 fps | 97% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,891 psi | 45% | 1594 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 53,200 psi | 85% | 2769 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,278 psi | 66% | 2585 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,804 psi | 75% | 2677 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 41,060 psi | 66% | 2608 fps | 99.1% |
| IMR 4955 Enduron | <<locked>> | 90% | 48,675 psi | 78% | 2730 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 94% | 48,008 psi | 77% | 2822 fps | 95.6% |
| Lovex S065 | <<locked>> | 80% | 45,049 psi | 72% | 2641 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 43,453 psi | 70% | 2628 fps | 97.6% |
| Lovex S071 | <<locked>> | 86% | 34,142 psi | 55% | 2451 fps | 95.7% |
| Norma 204 | <<locked>> | 82% | 43,627 psi | 70% | 2671 fps | 95.6% |
| Norma MRP | 48.1 gr | 84% | 37,956 psi | 61% | 2641 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 42,076 psi | 67% | 2644 fps | 99.2% |
| Ramshot Grand | <<locked>> | 92% | 44,889 psi | 72% | 2769 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 40,756 psi | 65% | 2631 fps | 97.6% |
| Ramshot Magnum | <<locked>> | 92% | 40,263 psi | 65% | 2651 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,558 psi | 46% | 1634 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 52,141 psi | 84% | 2772 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 49,008 psi | 79% | 2825 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 42,554 psi | 68% | 2677 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 40,611 psi | 65% | 2677 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 37,753 psi | 61% | 2667 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 80% | 49,908 psi | 80% | 2733 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 47,659 psi | 76% | 2717 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 86% | 42,511 psi | 68% | 2667 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 45,818 psi | 73% | 2654 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,049 psi | 72% | 2641 fps | 98.8% |
| Shooters World SW4350 | <<locked>> | 80% | 43,453 psi | 70% | 2628 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 50,357 psi | 81% | 2779 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 49,937 psi | 80% | 2618 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,222 psi | 71% | 2589 fps | 97.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 42,148 psi | 68% | 2664 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 49,690 psi | 80% | 2726 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 48,747 psi | 78% | 2707 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 38,783 psi | 62% | 2608 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 38,276 psi | 61% | 2546 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 47,485 psi | 76% | 2651 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 43,468 psi | 70% | 2641 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 39,813 psi | 64% | 2575 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 42,917 psi | 69% | 2644 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 34,722 psi | 56% | 2516 fps | 98.1% |
| Vihtavuori N560 | <<locked>> | 92% | 49,110 psi | 79% | 2854 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 98% | 48,950 psi | 78% | 2838 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 42,148 psi | 68% | 2605 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 44,411 psi | 71% | 2700 fps | 97.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 27,905 psi | 45% | 2438 fps | 97.8% |
| Winchester Supreme 780 | <<locked>> | 88% | 42,221 psi | 68% | 2631 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 77 powders for 6.5 x 64 Brenneke loaded with the .264 | 130gr | Barnes X S. Winchester StaBALL HD delivers the highest muzzle velocity at 3,022 fps; across all powders the maximum-charge window runs from 1,781 fps to 3,022 fps. ADI AR 2225 gives the best case fill at 100 %, and 77 of the 77 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, Bofors RP15 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 64 Brenneke with the .264 | 130gr | Barnes X S 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.