
Load Specifications
Load data in caliber 6.5 x 64 Brenneke with .264 | 123gr | Reichenberg HDB Universal bullet and 89 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.
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 2495 | <<locked>> | 82% | 56,043 psi | 90% | 2831 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 53,505 psi | 86% | 2848 fps | 98.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,724 psi | 89% | 2953 fps | 99.6% |
| Accurate 4064 | <<locked>> | 82% | 53,040 psi | 85% | 2841 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 53,766 psi | 86% | 2946 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 52,750 psi | 85% | 3028 fps | 96.7% |
| ADI AR 2208 | <<locked>> | 84% | 53,185 psi | 85% | 2871 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 54,752 psi | 88% | 2986 fps | 97.9% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 56,275 psi | 90% | 3041 fps | 97% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,825 psi | 90% | 3045 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 54,897 psi | 88% | 2986 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 53,940 psi | 86% | 2894 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 53,925 psi | 86% | 2913 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 54,520 psi | 87% | 3002 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,782 psi | 89% | 3025 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 54,143 psi | 87% | 2972 fps | 97.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 55,303 psi | 89% | 3038 fps | 98.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,054 psi | 83% | 2963 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,179 psi | 72% | 2884 fps | 99.1% |
| Alliant Reloder-26 | <<locked>> | 98% | 56,289 psi | 90% | 3114 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,415 psi | 81% | 2953 fps | 97.1% |
| Bofors RP3 | <<locked>> | 84% | 54,810 psi | 88% | 2913 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 55,303 psi | 89% | 3038 fps | 98.2% |
| Bofors RP7 | <<locked>> | 88% | 54,099 psi | 87% | 2894 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 84% | 55,085 psi | 88% | 2927 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 90% | 56,130 psi | 90% | 2999 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 88% | 55,477 psi | 89% | 2953 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 98% | 56,347 psi | 90% | 2982 fps | 96.3% |
| Hodgdon H4831 SC | <<locked>> | 98% | 55,027 psi | 88% | 2963 fps | 96.1% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 55,042 psi | 88% | 2930 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 56,347 psi | 90% | 2966 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,469 psi | 71% | 2917 fps | 96.3% |
| Hodgdon Superformance | <<locked>> | 90% | 56,275 psi | 90% | 3035 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,419 psi | 58% | 1834 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 55,999 psi | 90% | 2907 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 55,013 psi | 88% | 2887 fps | 99% |
| IMR 4350 | <<locked>> | 92% | 55,216 psi | 89% | 2930 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,622 psi | 89% | 2920 fps | 99.1% |
| IMR 4831 | <<locked>> | 92% | 54,230 psi | 87% | 2936 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 55,347 psi | 89% | 2940 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 54,215 psi | 87% | 2913 fps | 96.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,519 psi | 86% | 3009 fps | 96.5% |
| Lovex S062 | <<locked>> | 84% | 56,246 psi | 90% | 2900 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,753 psi | 89% | 2917 fps | 99.7% |
| Lovex S070 | <<locked>> | 90% | 53,838 psi | 86% | 2910 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,093 psi | 74% | 2795 fps | 98.5% |
| Norma 203B | <<locked>> | 82% | 53,287 psi | 85% | 2900 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,796 psi | 89% | 2979 fps | 97.9% |
| Norma MRP | <<locked>> | 98% | 54,737 psi | 88% | 3061 fps | 99.1% |
| Norma URP | <<locked>> | 92% | 56,130 psi | 90% | 2986 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 53,940 psi | 86% | 2923 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,954 psi | 87% | 3028 fps | 97% |
| Ramshot Hunter | <<locked>> | 92% | 54,781 psi | 88% | 2982 fps | 99.6% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,341 psi | 78% | 2897 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,202 psi | 60% | 1880 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 55,056 psi | 88% | 2913 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 55,492 psi | 89% | 3022 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 53,853 psi | 86% | 2969 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,811 psi | 89% | 3051 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,309 psi | 71% | 2907 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 82% | 54,737 psi | 88% | 2861 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 54,984 psi | 88% | 2910 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 56,333 psi | 90% | 2956 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 96% | 53,417 psi | 86% | 2959 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 88% | 54,099 psi | 87% | 2894 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,753 psi | 89% | 2917 fps | 99.7% |
| Shooters World Precision | <<locked>> | 84% | 56,246 psi | 90% | 2900 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 53,838 psi | 86% | 2910 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 52,823 psi | 85% | 2910 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,796 psi | 89% | 2795 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,361 psi | 89% | 2871 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 52,953 psi | 85% | 2953 fps | 97.7% |
| Somchem S355 | <<locked>> | 86% | 54,679 psi | 88% | 2904 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 54,534 psi | 87% | 2890 fps | 95.9% |
| Somchem S365 | <<locked>> | 94% | 55,593 psi | 89% | 2986 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 54,099 psi | 87% | 2936 fps | 98.6% |
| Vihtavuori N135 | <<locked>> | 82% | 54,955 psi | 88% | 2818 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 55,158 psi | 88% | 2835 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 56,159 psi | 90% | 2877 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 54,505 psi | 87% | 2923 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 53,519 psi | 86% | 2913 fps | 98.2% |
| Vihtavuori N540 | <<locked>> | 82% | 53,374 psi | 86% | 2828 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 53,708 psi | 86% | 2927 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 98% | 54,795 psi | 88% | 2992 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 54,969 psi | 88% | 3048 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 54,230 psi | 87% | 2890 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 56,130 psi | 90% | 2999 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 47,369 psi | 76% | 3028 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 54,201 psi | 87% | 2930 fps | 97.7% |
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 2495 | <<locked>> | 80% | 52,518 psi | 84% | 2782 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 50,299 psi | 81% | 2792 fps | 97.8% |
| Accurate 3100 | <<locked>> | 86% | 34,476 psi | 55% | 2549 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 49,792 psi | 80% | 2789 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,130 psi | 61% | 2651 fps | 98.1% |
| Accurate High Country | 55.1 gr | 94% | 49,385 psi | 79% | 2966 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 46,934 psi | 75% | 2766 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 45,092 psi | 72% | 2808 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 96% | 49,066 psi | 79% | 2910 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,967 psi | 83% | 2982 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 45,063 psi | 72% | 2805 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,572 psi | 76% | 2792 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,676 psi | 81% | 2861 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,985 psi | 59% | 2657 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 42,105 psi | 68% | 2792 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 44,541 psi | 71% | 2799 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 42,119 psi | 68% | 2789 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,180 psi | 44% | 2405 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 92% | 35,099 psi | 56% | 2648 fps | 96% |
| Alliant Reloder-26 | 49.5 gr | 82% | 31,212 psi | 50% | 2579 fps | 95% |
| Bofors RP15 | <<locked>> | 96% | 44,280 psi | 71% | 2835 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 47,906 psi | 77% | 2802 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 42,119 psi | 68% | 2789 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 42,119 psi | 68% | 2671 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 48,240 psi | 77% | 2812 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 40,118 psi | 64% | 2700 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 42,960 psi | 69% | 2723 fps | 95.5% |
| Hodgdon H4831 | <<locked>> | 96% | 52,446 psi | 84% | 2920 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,532 psi | 83% | 2904 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,766 psi | 56% | 2556 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 52,634 psi | 84% | 2907 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,466 psi | 66% | 2844 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 39,044 psi | 63% | 2707 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,180 psi | 44% | 1640 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 49,385 psi | 79% | 2799 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,721 psi | 83% | 2831 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 40,234 psi | 65% | 2651 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,511 psi | 70% | 2700 fps | 96.9% |
| IMR 4831 | <<locked>> | 80% | 36,608 psi | 59% | 2602 fps | 97.7% |
| IMR 4895 | <<locked>> | 80% | 52,011 psi | 83% | 2887 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,981 psi | 82% | 2858 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 98% | 50,125 psi | 80% | 2946 fps | 95.6% |
| Lovex S062 | <<locked>> | 80% | 49,676 psi | 80% | 2795 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,930 psi | 66% | 2648 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 39,247 psi | 63% | 2628 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 35,752 psi | 57% | 2579 fps | 95.7% |
| Norma 203B | <<locked>> | 80% | 50,053 psi | 80% | 2844 fps | 100% |
| Norma 204 | <<locked>> | 86% | 45,701 psi | 73% | 2799 fps | 95.7% |
| Norma MRP | 51.6 gr | 88% | 38,740 psi | 62% | 2743 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 37,826 psi | 61% | 2644 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 80% | 50,386 psi | 81% | 2867 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 46,789 psi | 75% | 2890 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 36,796 psi | 59% | 2631 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 96% | 41,684 psi | 67% | 2762 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 44% | 1680 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,153 psi | 77% | 2792 fps | 98.5% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,730 psi | 72% | 2848 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,014 psi | 61% | 2671 fps | 97.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 36,680 psi | 59% | 2671 fps | 97% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,493 psi | 62% | 2762 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 51,430 psi | 82% | 2808 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 45,063 psi | 72% | 2746 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 49,632 psi | 80% | 2841 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 90% | 43,888 psi | 70% | 2785 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 42,119 psi | 68% | 2671 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,930 psi | 66% | 2648 fps | 97.6% |
| Shooters World Precision | <<locked>> | 80% | 49,676 psi | 80% | 2795 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,247 psi | 63% | 2628 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,311 psi | 74% | 2799 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,354 psi | 74% | 2654 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,132 psi | 64% | 2592 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 43,482 psi | 70% | 2779 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 45,281 psi | 73% | 2743 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 51,024 psi | 82% | 2835 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 34,418 psi | 55% | 2605 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 41,510 psi | 67% | 2707 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 80% | 51,837 psi | 83% | 2776 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,822 psi | 83% | 2785 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 43,294 psi | 69% | 2671 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,262 psi | 63% | 2644 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 92% | 41,060 psi | 66% | 2684 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 50,212 psi | 81% | 2779 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,798 psi | 62% | 2644 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 30,008 psi | 48% | 2484 fps | 95.8% |
| Vihtavuori N560 | <<locked>> | 96% | 51,271 psi | 82% | 2982 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,348 psi | 61% | 2615 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 40,118 psi | 64% | 2700 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,657 psi | 41% | 2428 fps | 95.2% |
| Winchester Supreme 780 | <<locked>> | 92% | 43,816 psi | 70% | 2746 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 89 powders for 6.5 x 64 Brenneke loaded with the .264 | 123gr | Reichenberg HDB Universal. Alliant Reloder-26 delivers the highest muzzle velocity at 3,114 fps; across all powders the maximum-charge window runs from 1,834 fps to 3,114 fps. Accurate 3100 gives the best case fill at 100 %, and 89 of the 89 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 123.0 gr projectile in 0.264" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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 | 123gr | Reichenberg HDB Universal 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.