Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 135gr | Berger Classic Hybrid Hunter bullet and 83 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.
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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% | 55,840 psi | 90% | 2762 fps | 99.2% |
| Accurate 3100 | <<locked>> | 98% | 54,665 psi | 88% | 2815 fps | 99.9% |
| Accurate 4064 | <<locked>> | 82% | 55,724 psi | 89% | 2746 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 53,200 psi | 85% | 2808 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 55,970 psi | 90% | 2959 fps | 98.2% |
| Accurate MAGPRO | <<locked>> | 96% | 53,258 psi | 85% | 2900 fps | 96.4% |
| ADI AR 2208 | <<locked>> | 84% | 55,274 psi | 89% | 2776 fps | 100% |
| ADI AR 2209 | <<locked>> | 94% | 53,983 psi | 87% | 2854 fps | 98.5% |
| ADI AR 2213 | <<locked>> | 98% | 55,071 psi | 88% | 2904 fps | 97.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 37,956 psi | 61% | 2621 fps | 96.4% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 54,230 psi | 87% | 2851 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 56,318 psi | 90% | 2799 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 53,940 psi | 86% | 2864 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 55,114 psi | 88% | 2881 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 53,548 psi | 86% | 2841 fps | 98.5% |
| Alliant Reloder-22 | <<locked>> | 98% | 54,404 psi | 87% | 2900 fps | 98.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 55,419 psi | 89% | 2884 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,718 psi | 77% | 2818 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 96% | 55,608 psi | 89% | 2969 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 53,287 psi | 85% | 2881 fps | 98.5% |
| Bofors RP3 | <<locked>> | 82% | 53,882 psi | 86% | 2769 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 54,404 psi | 87% | 2900 fps | 98.7% |
| Bofors RP7 | <<locked>> | 86% | 53,084 psi | 85% | 2756 fps | 99% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 47,427 psi | 76% | 2762 fps | 96.8% |
| Hodgdon H380 | <<locked>> | 82% | 54,114 psi | 87% | 2785 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 54,984 psi | 88% | 2858 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 86% | 54,665 psi | 88% | 2818 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 96% | 55,419 psi | 89% | 2851 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 96% | 54,099 psi | 87% | 2831 fps | 96.8% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 54,201 psi | 87% | 2785 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,717 psi | 75% | 2861 fps | 98.1% |
| Hodgdon Superformance | <<locked>> | 88% | 55,230 psi | 89% | 2894 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,753 psi | 59% | 1752 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 54,955 psi | 88% | 2762 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 54,186 psi | 87% | 2792 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 54,578 psi | 88% | 2782 fps | 99.4% |
| IMR 4831 | <<locked>> | 90% | 53,447 psi | 86% | 2799 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 53,374 psi | 86% | 2782 fps | 96.9% |
| IMR 7828 SSC | <<locked>> | 98% | 52,823 psi | 85% | 2877 fps | 97.3% |
| Lovex S062 | <<locked>> | 82% | 55,317 psi | 89% | 2756 fps | 100% |
| Lovex S065 | <<locked>> | 88% | 54,824 psi | 88% | 2779 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 56,202 psi | 90% | 2822 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 48,950 psi | 78% | 2726 fps | 99.4% |
| Norma 203B | <<locked>> | 82% | 55,869 psi | 90% | 2808 fps | 100% |
| Norma 204 | <<locked>> | 90% | 55,013 psi | 88% | 2844 fps | 98.5% |
| Norma MRP | <<locked>> | 96% | 54,056 psi | 87% | 2923 fps | 99.5% |
| Norma URP | <<locked>> | 90% | 55,230 psi | 89% | 2841 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 53,084 psi | 85% | 2894 fps | 97.8% |
| Ramshot Hunter | <<locked>> | 90% | 54,201 psi | 87% | 2848 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 51,169 psi | 82% | 2835 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,347 psi | 60% | 1788 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 53,824 psi | 86% | 2769 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 54,360 psi | 87% | 2871 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 53,040 psi | 85% | 2828 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 55,027 psi | 88% | 2910 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,920 psi | 75% | 2854 fps | 99% |
| Rottweil R 903 | <<locked>> | 84% | 54,041 psi | 87% | 2766 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 55,419 psi | 89% | 2822 fps | 97.8% |
| Rottweil R 905 | <<locked>> | 94% | 52,837 psi | 85% | 2828 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 86% | 53,084 psi | 85% | 2756 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 88% | 54,824 psi | 88% | 2779 fps | 99.9% |
| Shooters World Precision | <<locked>> | 82% | 55,317 psi | 89% | 2756 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 56,202 psi | 90% | 2822 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 55,492 psi | 89% | 2822 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 54,650 psi | 88% | 2651 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 54,447 psi | 87% | 2736 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 56,014 psi | 90% | 2881 fps | 98.9% |
| Somchem S355 | <<locked>> | 84% | 53,925 psi | 86% | 2759 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 53,403 psi | 86% | 2759 fps | 96.6% |
| Somchem S365 | <<locked>> | 92% | 55,056 psi | 88% | 2848 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 53,287 psi | 85% | 2802 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 86% | 55,187 psi | 88% | 2736 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 53,853 psi | 86% | 2785 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 56,057 psi | 90% | 2831 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 82% | 55,941 psi | 90% | 2733 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 56,333 psi | 90% | 2841 fps | 100% |
| Vihtavuori N555 | <<locked>> | 96% | 54,157 psi | 87% | 2854 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 54,157 psi | 87% | 2913 fps | 97.2% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 49,821 psi | 80% | 2825 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 53,040 psi | 85% | 2749 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 55,288 psi | 89% | 2861 fps | 99.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 51,184 psi | 82% | 2949 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 53,388 psi | 86% | 2799 fps | 98.4% |
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% | 52,431 psi | 84% | 2710 fps | 98.8% |
| Accurate 3100 | <<locked>> | 82% | 32,010 psi | 51% | 2382 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 52,257 psi | 84% | 2697 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 40,480 psi | 65% | 2585 fps | 99.2% |
| Accurate High Country | <<locked>> | 90% | 45,513 psi | 73% | 2776 fps | 95.8% |
| Accurate MAGPRO | <<locked>> | 94% | 49,545 psi | 79% | 2835 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 48,950 psi | 78% | 2677 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 41,452 psi | 66% | 2621 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 92% | 45,136 psi | 72% | 2723 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 98% | 35,636 psi | 57% | 2559 fps | 95.3% |
| Alliant Power Pro Varmint | <<locked>> | 86% | 41,814 psi | 67% | 2625 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 49,864 psi | 80% | 2703 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,957 psi | 62% | 2592 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 44,469 psi | 71% | 2713 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 41,379 psi | 66% | 2618 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 39,088 psi | 63% | 2612 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,747 psi | 46% | 2356 fps | 97.6% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,589 psi | 49% | 2418 fps | 95% |
| Alliant Reloder-26 | 47.2 gr | 80% | 30,937 psi | 50% | 2470 fps | 96.2% |
| Bofors RP15 | <<locked>> | 92% | 41,176 psi | 66% | 2657 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 50,444 psi | 81% | 2717 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 39,088 psi | 63% | 2612 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 44,092 psi | 71% | 2595 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 98% | 44,324 psi | 71% | 2700 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 50,430 psi | 81% | 2726 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 42,192 psi | 68% | 2628 fps | 97.6% |
| Hodgdon H4350 | <<locked>> | 80% | 45,150 psi | 72% | 2651 fps | 97.1% |
| Hodgdon H4831 | <<locked>> | 92% | 48,211 psi | 77% | 2730 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 47,369 psi | 76% | 2713 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 36,521 psi | 59% | 2484 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 38,479 psi | 62% | 2667 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 41,060 psi | 66% | 2641 fps | 97% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,485 psi | 44% | 1562 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 51,517 psi | 83% | 2710 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 39,494 psi | 63% | 2523 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 45,484 psi | 73% | 2625 fps | 98.2% |
| IMR 4831 | <<locked>> | 80% | 38,725 psi | 62% | 2536 fps | 99% |
| IMR 4955 Enduron | <<locked>> | 90% | 47,050 psi | 75% | 2671 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 94% | 46,195 psi | 74% | 2759 fps | 95.7% |
| Lovex S062 | <<locked>> | 80% | 51,880 psi | 83% | 2703 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,888 psi | 69% | 2572 fps | 98.7% |
| Lovex S070 | <<locked>> | 80% | 41,191 psi | 66% | 2559 fps | 97.5% |
| Lovex S071 | <<locked>> | 88% | 33,185 psi | 53% | 2411 fps | 95.8% |
| Norma 203B | <<locked>> | 80% | 52,446 psi | 84% | 2756 fps | 100% |
| Norma 204 | <<locked>> | 82% | 41,785 psi | 67% | 2608 fps | 95.6% |
| Norma MRP | 48.1 gr | 84% | 35,723 psi | 57% | 2559 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 39,987 psi | 64% | 2575 fps | 99.1% |
| Ramshot Grand | <<locked>> | 92% | 42,888 psi | 69% | 2703 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 38,769 psi | 62% | 2566 fps | 97.5% |
| Ramshot Magnum | <<locked>> | 92% | 38,290 psi | 61% | 2585 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,065 psi | 45% | 1601 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 50,241 psi | 81% | 2713 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 47,210 psi | 76% | 2759 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 40,263 psi | 65% | 2602 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 38,638 psi | 62% | 2608 fps | 98.5% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 35,462 psi | 57% | 2589 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 80% | 47,413 psi | 76% | 2664 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 45,905 psi | 74% | 2661 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 40,437 psi | 65% | 2602 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 44,092 psi | 71% | 2595 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,888 psi | 69% | 2572 fps | 98.7% |
| Shooters World Precision | <<locked>> | 80% | 51,880 psi | 83% | 2703 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 41,191 psi | 66% | 2559 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 48,544 psi | 78% | 2717 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 48,254 psi | 77% | 2559 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,047 psi | 67% | 2523 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 40,074 psi | 64% | 2595 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 47,471 psi | 76% | 2657 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,862 psi | 75% | 2648 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 36,477 psi | 58% | 2533 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,129 psi | 58% | 2477 fps | 95% |
| Vihtavuori N150 | <<locked>> | 80% | 45,397 psi | 73% | 2589 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 41,423 psi | 66% | 2575 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 37,971 psi | 61% | 2510 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 52,257 psi | 84% | 2684 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,712 psi | 65% | 2575 fps | 99% |
| Vihtavuori N555 | <<locked>> | 80% | 32,039 psi | 51% | 2431 fps | 97.7% |
| Vihtavuori N560 | 52.7 gr | 92% | 47,500 psi | 76% | 2795 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 98% | 46,615 psi | 75% | 2766 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 40,306 psi | 65% | 2543 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 42,424 psi | 68% | 2635 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,469 psi | 41% | 2336 fps | 96.8% |
| Winchester Supreme 780 | <<locked>> | 88% | 40,437 psi | 65% | 2569 fps | 95.3% |
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 83 powders for 6.5 x 64 Brenneke loaded with the .264 | 135gr | Berger Classic Hybrid Hunter. Alliant Reloder-26 delivers the highest muzzle velocity at 2,969 fps; across all powders the maximum-charge window runs from 1,752 fps to 2,969 fps. ADI AR 2225 gives the best case fill at 100 %, and 83 of the 83 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 135.0 gr projectile in 0.264" calls for a 1:9.0 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. Norma MRP, Vihtavuori N560, Alliant Reloder-26 rank at the top here: for 6.5 x 64 Brenneke with the .264 | 135gr | Berger Classic Hybrid Hunter 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.