Load Specifications
Load data in caliber 6.5 x 64 (Reb) with .264 | 140gr | Berger VLD Hy Tgt bullet and 76 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 Winchester StaBALL HD.
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% | 56,318 psi | 90% | 2815 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 54,172 psi | 87% | 2799 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 53,969 psi | 87% | 2904 fps | 98.5% |
| Accurate MAGPRO | <<locked>> | 94% | 54,897 psi | 88% | 2907 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 55,608 psi | 89% | 2759 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,926 psi | 88% | 2851 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 96% | 56,304 psi | 90% | 2907 fps | 98.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,123 psi | 76% | 2746 fps | 97.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,771 psi | 67% | 2700 fps | 98.7% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 55,201 psi | 89% | 2848 fps | 99.2% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 55,201 psi | 89% | 2848 fps | 99.2% |
| Alliant Reloder-16 | <<locked>> | 88% | 54,969 psi | 88% | 2851 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 56,101 psi | 90% | 2864 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 54,520 psi | 87% | 2841 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 96% | 56,072 psi | 90% | 2904 fps | 99.4% |
| Alliant Reloder-23 | <<locked>> | 96% | 53,606 psi | 86% | 2828 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,765 psi | 85% | 2881 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 53,708 psi | 86% | 2910 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 54,940 psi | 88% | 2884 fps | 99.2% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,704 psi | 78% | 2812 fps | 97.9% |
| Bofors RP5 | <<locked>> | 96% | 56,072 psi | 90% | 2904 fps | 99.4% |
| Bofors RP7 | <<locked>> | 84% | 53,606 psi | 86% | 2746 fps | 99.5% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 51,953 psi | 83% | 2831 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 86% | 55,927 psi | 90% | 2848 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 55,216 psi | 89% | 2808 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 94% | 56,376 psi | 90% | 2848 fps | 98.1% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,129 psi | 88% | 2831 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,288 psi | 89% | 2776 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,605 psi | 83% | 2940 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 86% | 56,246 psi | 90% | 2884 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,956 psi | 59% | 1749 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 54,853 psi | 88% | 2785 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 84% | 54,969 psi | 88% | 2769 fps | 99.8% |
| IMR 4831 | <<locked>> | 88% | 54,520 psi | 87% | 2789 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 53,998 psi | 87% | 2779 fps | 97.8% |
| IMR 7828 SSC | <<locked>> | 96% | 53,940 psi | 86% | 2884 fps | 98.4% |
| Lovex S065 | <<locked>> | 86% | 55,361 psi | 89% | 2766 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 53,664 psi | 86% | 2762 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,809 psi | 86% | 2779 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,622 psi | 89% | 2835 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 37,318 psi | 60% | 2625 fps | 96.7% |
| Norma MRP | <<locked>> | 94% | 55,927 psi | 90% | 2927 fps | 99.9% |
| Norma URP | <<locked>> | 88% | 56,289 psi | 90% | 2831 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,505 psi | 87% | 2904 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 88% | 55,013 psi | 88% | 2838 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 52,707 psi | 85% | 2838 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,826 psi | 61% | 1791 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,622 psi | 89% | 2851 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 54,143 psi | 87% | 2818 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 56,188 psi | 90% | 2900 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,098 psi | 84% | 2940 fps | 100% |
| Rottweil R 903 | <<locked>> | 82% | 54,679 psi | 88% | 2749 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,188 psi | 90% | 2818 fps | 98.6% |
| Rottweil R 905 | <<locked>> | 92% | 53,983 psi | 87% | 2828 fps | 99.2% |
| Rottweil R 907 | <<locked>> | 84% | 53,606 psi | 86% | 2746 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,361 psi | 89% | 2766 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 53,664 psi | 86% | 2762 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 55,898 psi | 90% | 2802 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,665 psi | 88% | 2625 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,650 psi | 88% | 2723 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 53,577 psi | 86% | 2822 fps | 99.1% |
| Somchem S355 | <<locked>> | 82% | 54,491 psi | 87% | 2743 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 54,157 psi | 87% | 2756 fps | 97.6% |
| Somchem S365 | <<locked>> | 90% | 56,420 psi | 90% | 2831 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 54,578 psi | 88% | 2802 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 84% | 55,463 psi | 89% | 2713 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 54,563 psi | 87% | 2772 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 53,925 psi | 86% | 2782 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 86% | 53,795 psi | 86% | 2779 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 56,028 psi | 90% | 2854 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,796 psi | 89% | 2920 fps | 98.2% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 55,463 psi | 89% | 2897 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 53,954 psi | 87% | 2736 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 56,246 psi | 90% | 2854 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 98% | 54,331 psi | 87% | 2956 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 54,346 psi | 87% | 2795 fps | 99.1% |
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% | 32,837 psi | 53% | 2382 fps | 96.5% |
| Accurate 4350 | <<locked>> | 80% | 44,150 psi | 71% | 2631 fps | 99.9% |
| Accurate High Country | 50.8 gr | 84% | 40,915 psi | 66% | 2657 fps | 95.3% |
| Accurate MAGPRO | <<locked>> | 90% | 47,587 psi | 76% | 2779 fps | 95.9% |
| ADI AR 2208 | <<locked>> | 80% | 52,373 psi | 84% | 2710 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 36,999 psi | 59% | 2507 fps | 95% |
| ADI AR 2213 | <<locked>> | 88% | 42,975 psi | 69% | 2667 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 96% | 41,263 psi | 66% | 2625 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 94% | 34,461 psi | 55% | 2520 fps | 96% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 37,231 psi | 60% | 2507 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 37,231 psi | 60% | 2507 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,322 psi | 68% | 2638 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,834 psi | 78% | 2756 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,898 psi | 59% | 2503 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,594 psi | 60% | 2556 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,517 psi | 51% | 2411 fps | 99.2% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,399 psi | 47% | 2372 fps | 95.5% |
| Alliant Reloder-26 | 49.8 gr | 80% | 34,243 psi | 55% | 2539 fps | 98.4% |
| Bofors RP15 | <<locked>> | 86% | 37,318 psi | 60% | 2549 fps | 95.2% |
| Bofors RP30 | <<locked>> | 94% | 39,697 psi | 64% | 2638 fps | 95.4% |
| Bofors RP5 | <<locked>> | 84% | 37,594 psi | 60% | 2556 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 47,239 psi | 76% | 2638 fps | 98.8% |
| Hodgdon H1000 | <<locked>> | 92% | 39,537 psi | 63% | 2592 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 45,788 psi | 73% | 2680 fps | 98.9% |
| Hodgdon H4350 | <<locked>> | 80% | 48,399 psi | 78% | 2694 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 86% | 43,091 psi | 69% | 2618 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 88% | 45,092 psi | 72% | 2657 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,958 psi | 64% | 2526 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 37,202 psi | 60% | 2625 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 45,266 psi | 73% | 2703 fps | 98.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,673 psi | 44% | 1562 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,714 psi | 68% | 2572 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,559 psi | 78% | 2664 fps | 99.2% |
| IMR 4831 | <<locked>> | 80% | 42,061 psi | 67% | 2582 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 86% | 44,657 psi | 72% | 2615 fps | 95.7% |
| IMR 7828 SSC | <<locked>> | 88% | 41,321 psi | 66% | 2644 fps | 95.2% |
| Lovex S065 | <<locked>> | 80% | 46,050 psi | 74% | 2615 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 44,324 psi | 71% | 2602 fps | 98.8% |
| Lovex S071 | <<locked>> | 82% | 30,240 psi | 48% | 2316 fps | 95.4% |
| Norma 204 | <<locked>> | 80% | 42,395 psi | 68% | 2602 fps | 96.7% |
| Norma 217 | <<locked>> | 98% | 35,041 psi | 56% | 2566 fps | 95.8% |
| Norma MRP | <<locked>> | 80% | 34,098 psi | 55% | 2500 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 43,381 psi | 70% | 2621 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 40,944 psi | 66% | 2651 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 80% | 42,177 psi | 68% | 2615 fps | 98.9% |
| Ramshot Magnum | <<locked>> | 88% | 36,593 psi | 59% | 2533 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,282 psi | 45% | 1601 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,822 psi | 83% | 2799 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,193 psi | 71% | 2654 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,409 psi | 68% | 2671 fps | 99.7% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 33,939 psi | 54% | 2536 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 80% | 51,140 psi | 82% | 2697 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 40,872 psi | 66% | 2543 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 80% | 36,260 psi | 58% | 2487 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 47,239 psi | 76% | 2638 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,050 psi | 74% | 2615 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 44,324 psi | 71% | 2602 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,359 psi | 84% | 2749 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,416 psi | 82% | 2582 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,034 psi | 72% | 2562 fps | 98.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 38,319 psi | 61% | 2536 fps | 95.8% |
| Somchem S355 | <<locked>> | 80% | 51,024 psi | 82% | 2694 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,440 psi | 71% | 2589 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 40,408 psi | 65% | 2582 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,753 psi | 59% | 2470 fps | 96.2% |
| Vihtavuori N150 | <<locked>> | 80% | 48,820 psi | 78% | 2618 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,817 psi | 72% | 2618 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,477 psi | 58% | 2461 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 44,179 psi | 71% | 2618 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 35,375 psi | 57% | 2484 fps | 99.1% |
| Vihtavuori N560 | <<locked>> | 86% | 42,467 psi | 68% | 2677 fps | 95% |
| Vihtavuori N565 | <<locked>> | 92% | 42,177 psi | 68% | 2661 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,961 psi | 70% | 2582 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,035 psi | 74% | 2684 fps | 99% |
| Winchester StaBALL HD | 47.8 gr | 80% | 27,949 psi | 45% | 2415 fps | 99.2% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,580 psi | 62% | 2513 fps | 95.7% |
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 76 powders for 6.5 x 64 (Reb) loaded with the .264 | 140gr | Berger VLD Hy Tgt. Winchester StaBALL HD delivers the highest muzzle velocity at 2,956 fps; across all powders the maximum-charge window runs from 1,749 fps to 2,956 fps. ADI AR 2217 gives the best case fill at 100 %, and 76 of the 76 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 2217, ADI AR 2225, 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 High Country, Winchester StaBALL HD rank at the top here: for 6.5 x 64 (Reb) with the .264 | 140gr | Berger VLD Hy Tgt 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.