Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 129gr | Hornady InterLock bullet and 85 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.
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 2700 | <<locked>> | 82% | 55,434 psi | 89% | 2818 fps | 98.9% |
| Accurate 3100 | <<locked>> | 98% | 54,331 psi | 87% | 2871 fps | 99.7% |
| Accurate 4064 | <<locked>> | 82% | 55,158 psi | 88% | 2805 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 56,217 psi | 90% | 2917 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 55,448 psi | 89% | 3012 fps | 97.7% |
| Accurate MAGPRO | <<locked>> | 98% | 56,246 psi | 90% | 3012 fps | 96.6% |
| ADI AR 2208 | <<locked>> | 84% | 54,766 psi | 88% | 2835 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 53,214 psi | 85% | 2900 fps | 98.1% |
| ADI AR 2213 | <<locked>> | 98% | 54,694 psi | 88% | 2956 fps | 97.2% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 53,461 psi | 86% | 2900 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 55,680 psi | 89% | 2854 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 55,985 psi | 90% | 2881 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 53,403 psi | 86% | 2920 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 54,433 psi | 87% | 2936 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 52,765 psi | 85% | 2890 fps | 98.1% |
| Alliant Reloder-22 | <<locked>> | 98% | 54,041 psi | 87% | 2956 fps | 98.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 54,694 psi | 88% | 2936 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,311 psi | 76% | 2871 fps | 99.7% |
| Alliant Reloder-26 | <<locked>> | 96% | 54,882 psi | 88% | 3025 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,866 psi | 85% | 2933 fps | 98.1% |
| Bofors RP3 | <<locked>> | 82% | 53,243 psi | 85% | 2825 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 54,041 psi | 87% | 2956 fps | 98.4% |
| Bofors RP7 | <<locked>> | 88% | 55,811 psi | 89% | 2861 fps | 99.1% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 46,746 psi | 75% | 2805 fps | 96.1% |
| Hodgdon H380 | <<locked>> | 82% | 53,447 psi | 86% | 2838 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 54,331 psi | 87% | 2910 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 86% | 54,172 psi | 87% | 2874 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 96% | 54,766 psi | 88% | 2900 fps | 96.6% |
| Hodgdon H4831 SC | <<locked>> | 96% | 53,476 psi | 86% | 2881 fps | 96.3% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 53,577 psi | 86% | 2844 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,311 psi | 74% | 2910 fps | 97.6% |
| Hodgdon Superformance | <<locked>> | 88% | 54,534 psi | 87% | 2946 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,550 psi | 59% | 1795 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 54,186 psi | 87% | 2815 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 53,621 psi | 86% | 2844 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 86% | 54,215 psi | 87% | 2838 fps | 99.2% |
| IMR 4831 | <<locked>> | 90% | 52,837 psi | 85% | 2851 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 56,304 psi | 90% | 2890 fps | 97.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 55,666 psi | 89% | 2989 fps | 97.6% |
| Lovex S062 | <<locked>> | 82% | 54,505 psi | 87% | 2808 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 54,433 psi | 87% | 2835 fps | 99.8% |
| Lovex S070 | <<locked>> | 90% | 55,637 psi | 89% | 2877 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,109 psi | 77% | 2772 fps | 99.1% |
| Norma 203B | <<locked>> | 82% | 55,332 psi | 89% | 2867 fps | 100% |
| Norma 204 | <<locked>> | 90% | 54,230 psi | 87% | 2894 fps | 98.1% |
| Norma MRP | <<locked>> | 96% | 53,548 psi | 86% | 2976 fps | 99.3% |
| Norma URP | <<locked>> | 90% | 54,621 psi | 88% | 2900 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 56,144 psi | 90% | 2890 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 52,533 psi | 84% | 2946 fps | 97.3% |
| Ramshot Hunter | <<locked>> | 90% | 53,403 psi | 86% | 2897 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,517 psi | 81% | 2881 fps | 98.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,362 psi | 60% | 1841 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 53,142 psi | 85% | 2822 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 53,751 psi | 86% | 2927 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 56,086 psi | 90% | 2940 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 54,433 psi | 87% | 2966 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,499 psi | 75% | 2907 fps | 98.6% |
| Rottweil R 902 | <<locked>> | 82% | 56,405 psi | 90% | 2822 fps | 100% |
| Rottweil R 903 | <<locked>> | 84% | 53,417 psi | 86% | 2822 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 54,984 psi | 88% | 2877 fps | 97.4% |
| Rottweil R 905 | <<locked>> | 96% | 55,550 psi | 89% | 2936 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 88% | 55,811 psi | 89% | 2861 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 88% | 54,433 psi | 87% | 2835 fps | 99.8% |
| Shooters World Precision | <<locked>> | 82% | 54,505 psi | 87% | 2808 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 55,637 psi | 89% | 2877 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 54,694 psi | 88% | 2877 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 53,911 psi | 86% | 2703 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 53,969 psi | 87% | 2789 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 55,071 psi | 88% | 2930 fps | 98.5% |
| Somchem S355 | <<locked>> | 84% | 53,359 psi | 86% | 2818 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 53,127 psi | 85% | 2815 fps | 96.2% |
| Somchem S365 | <<locked>> | 92% | 54,302 psi | 87% | 2900 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 56,202 psi | 90% | 2910 fps | 99.2% |
| Vihtavuori N150 | <<locked>> | 86% | 54,447 psi | 87% | 2792 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 53,330 psi | 86% | 2844 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 55,666 psi | 89% | 2887 fps | 98.9% |
| Vihtavuori N540 | <<locked>> | 82% | 55,303 psi | 89% | 2792 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 55,941 psi | 90% | 2900 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 53,606 psi | 86% | 2910 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 53,708 psi | 86% | 2966 fps | 96.7% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 49,269 psi | 79% | 2874 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 56,275 psi | 90% | 2858 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 54,665 psi | 88% | 2913 fps | 99.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 50,343 psi | 81% | 3005 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,304 psi | 90% | 2907 fps | 98.5% |
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 2700 | <<locked>> | 80% | 51,866 psi | 83% | 2762 fps | 98.5% |
| Accurate 3100 | <<locked>> | 84% | 33,707 psi | 54% | 2477 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 51,822 psi | 83% | 2756 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 39,987 psi | 64% | 2635 fps | 98.9% |
| Accurate High Country | <<locked>> | 90% | 45,005 psi | 72% | 2822 fps | 95.2% |
| Accurate MAGPRO | <<locked>> | 96% | 52,721 psi | 85% | 2949 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 48,356 psi | 78% | 2730 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 41,133 psi | 66% | 2671 fps | 95% |
| ADI AR 2213 | <<locked>> | 94% | 47,747 psi | 77% | 2831 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 41,191 psi | 66% | 2667 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,168 psi | 79% | 2756 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,634 psi | 84% | 2828 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,609 psi | 62% | 2641 fps | 98.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,106 psi | 71% | 2769 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 40,756 psi | 65% | 2661 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 90% | 41,162 psi | 66% | 2713 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,456 psi | 46% | 2395 fps | 97% |
| Alliant Reloder-25 | <<locked>> | 88% | 32,242 psi | 52% | 2516 fps | 95.3% |
| Alliant Reloder-26 | 48.3 gr | 80% | 30,400 psi | 49% | 2503 fps | 95.3% |
| Bofors RP15 | <<locked>> | 94% | 43,555 psi | 70% | 2762 fps | 95.9% |
| Bofors RP3 | <<locked>> | 80% | 49,632 psi | 80% | 2769 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 41,162 psi | 66% | 2713 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 43,497 psi | 70% | 2641 fps | 97% |
| Hodgdon H1000 | <<locked>> | 98% | 43,787 psi | 70% | 2743 fps | 95.1% |
| Hodgdon H380 | <<locked>> | 80% | 49,908 psi | 80% | 2782 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 80% | 41,669 psi | 67% | 2677 fps | 97.1% |
| Hodgdon H4350 | <<locked>> | 80% | 44,469 psi | 71% | 2697 fps | 96.5% |
| Hodgdon H4831 | <<locked>> | 94% | 51,024 psi | 82% | 2838 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 94% | 50,111 psi | 80% | 2822 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,187 psi | 58% | 2533 fps | 99.3% |
| Hodgdon Retumbo | <<locked>> | 96% | 40,582 psi | 65% | 2776 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 40,596 psi | 65% | 2687 fps | 96.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,282 psi | 44% | 1604 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,894 psi | 82% | 2762 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,117 psi | 63% | 2569 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,889 psi | 72% | 2674 fps | 97.7% |
| IMR 4831 | <<locked>> | 80% | 38,319 psi | 61% | 2585 fps | 98.6% |
| IMR 4955 Enduron | <<locked>> | 92% | 49,530 psi | 79% | 2776 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 94% | 45,745 psi | 73% | 2808 fps | 95% |
| Lovex S062 | <<locked>> | 80% | 51,227 psi | 82% | 2759 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,540 psi | 68% | 2625 fps | 98.4% |
| Lovex S070 | <<locked>> | 80% | 40,814 psi | 65% | 2608 fps | 97% |
| Lovex S071 | <<locked>> | 88% | 32,924 psi | 53% | 2454 fps | 95.1% |
| Norma 203B | <<locked>> | 80% | 51,996 psi | 83% | 2815 fps | 100% |
| Norma 204 | <<locked>> | 82% | 41,452 psi | 66% | 2654 fps | 95% |
| Norma MRP | 50.4 gr | 86% | 37,652 psi | 60% | 2664 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 39,566 psi | 63% | 2625 fps | 98.7% |
| Ramshot Big Game | <<locked>> | 80% | 52,475 psi | 84% | 2838 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 45,629 psi | 73% | 2815 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 38,247 psi | 61% | 2608 fps | 96.9% |
| Ramshot Magnum | <<locked>> | 94% | 40,683 psi | 65% | 2690 fps | 95.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,847 psi | 45% | 1640 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,980 psi | 80% | 2769 fps | 99.1% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,833 psi | 75% | 2818 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,639 psi | 64% | 2648 fps | 98.6% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,334 psi | 61% | 2657 fps | 98.1% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 37,463 psi | 60% | 2690 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 52,982 psi | 85% | 2772 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 46,992 psi | 75% | 2720 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 45,498 psi | 73% | 2710 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 86% | 40,045 psi | 64% | 2648 fps | 95% |
| Rottweil R 907 | <<locked>> | 80% | 43,497 psi | 70% | 2641 fps | 97% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,540 psi | 68% | 2625 fps | 98.4% |
| Shooters World Precision | <<locked>> | 80% | 51,227 psi | 82% | 2759 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,814 psi | 65% | 2608 fps | 97% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,008 psi | 77% | 2769 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,747 psi | 77% | 2615 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,684 psi | 67% | 2572 fps | 97.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 42,395 psi | 68% | 2700 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 47,079 psi | 75% | 2713 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 49,676 psi | 80% | 2756 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 36,013 psi | 58% | 2582 fps | 99.9% |
| Somchem S385 | <<locked>> | 84% | 37,985 psi | 61% | 2572 fps | 95.2% |
| Vihtavuori N150 | <<locked>> | 80% | 45,020 psi | 72% | 2644 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,017 psi | 66% | 2625 fps | 99% |
| Vihtavuori N165 | <<locked>> | 90% | 40,059 psi | 64% | 2612 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 51,750 psi | 83% | 2740 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,292 psi | 65% | 2621 fps | 98.7% |
| Vihtavuori N555 | <<locked>> | 80% | 31,662 psi | 51% | 2474 fps | 97.1% |
| Vihtavuori N560 | 55.1 gr | 94% | 50,082 psi | 80% | 2904 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 98% | 46,151 psi | 74% | 2815 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,972 psi | 64% | 2592 fps | 99.9% |
| Winchester 760 | <<locked>> | 80% | 41,916 psi | 67% | 2680 fps | 97.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,135 psi | 40% | 2365 fps | 95.7% |
| Winchester Supreme 780 | <<locked>> | 90% | 42,670 psi | 68% | 2667 fps | 95.6% |
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 85 powders for 6.5 x 64 Brenneke loaded with the .264 | 129gr | Hornady InterLock. Alliant Reloder-26 delivers the highest muzzle velocity at 3,025 fps; across all powders the maximum-charge window runs from 1,795 fps to 3,025 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 85 of the 85 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 129.0 gr projectile in 0.264" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, 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. Norma MRP, Vihtavuori N560, Alliant Reloder-26 rank at the top here: for 6.5 x 64 Brenneke with the .264 | 129gr | Hornady InterLock 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.