Load Specifications
Load data in caliber 6.5 x 64 (Reb) with .264 | 140gr | Woodleigh PP SN bullet and 75 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Vihtavuori N560 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>> | 94% | 54,549 psi | 87% | 2795 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 55,854 psi | 90% | 2825 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 55,985 psi | 90% | 2940 fps | 98.9% |
| Accurate MAGPRO | <<locked>> | 92% | 52,837 psi | 85% | 2877 fps | 97.3% |
| ADI AR 2209 | <<locked>> | 90% | 53,011 psi | 85% | 2825 fps | 99% |
| ADI AR 2213 | <<locked>> | 94% | 54,331 psi | 87% | 2884 fps | 98.5% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,646 psi | 78% | 2779 fps | 97.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,410 psi | 70% | 2740 fps | 99.2% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 53,287 psi | 85% | 2822 fps | 99.1% |
| Alliant Reloder-16 | <<locked>> | 86% | 53,258 psi | 85% | 2828 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,027 psi | 87% | 2838 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 56,159 psi | 90% | 2871 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 54,346 psi | 87% | 2881 fps | 99.3% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,390 psi | 89% | 2854 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 54,592 psi | 88% | 2910 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 55,854 psi | 90% | 2943 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 56,231 psi | 90% | 2844 fps | 96.1% |
| Bofors RP15 | <<locked>> | 96% | 53,272 psi | 85% | 2861 fps | 99.1% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,589 psi | 81% | 2848 fps | 98.4% |
| Bofors RP5 | <<locked>> | 94% | 54,346 psi | 87% | 2881 fps | 99.3% |
| Bofors RP7 | <<locked>> | 84% | 54,766 psi | 88% | 2772 fps | 99.7% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 53,548 psi | 86% | 2867 fps | 99% |
| Hodgdon H414 | <<locked>> | 84% | 53,838 psi | 86% | 2822 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 82% | 53,200 psi | 85% | 2782 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 92% | 54,186 psi | 87% | 2822 fps | 97.8% |
| Hodgdon H4831 SC | <<locked>> | 92% | 53,287 psi | 85% | 2808 fps | 97.7% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 53,519 psi | 86% | 2753 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,679 psi | 86% | 2979 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 84% | 53,940 psi | 86% | 2854 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,173 psi | 60% | 1765 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 56,246 psi | 90% | 2812 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,130 psi | 90% | 2795 fps | 99.9% |
| IMR 4831 | <<locked>> | 88% | 56,318 psi | 90% | 2818 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 55,477 psi | 89% | 2808 fps | 98.2% |
| IMR 7828 SSC | <<locked>> | 96% | 55,811 psi | 89% | 2917 fps | 98.8% |
| Lovex S065 | <<locked>> | 84% | 53,359 psi | 86% | 2743 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 54,839 psi | 88% | 2785 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,448 psi | 89% | 2808 fps | 100% |
| Norma 204 | <<locked>> | 86% | 53,664 psi | 86% | 2812 fps | 99% |
| Norma 217ᴾ | <<locked>> | 100% | 38,841 psi | 62% | 2661 fps | 97.4% |
| Norma MRP | <<locked>> | 92% | 54,172 psi | 87% | 2904 fps | 99.9% |
| Norma URP | <<locked>> | 86% | 54,201 psi | 87% | 2805 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 52,591 psi | 84% | 2877 fps | 98.6% |
| Ramshot Hunter | <<locked>> | 86% | 53,185 psi | 85% | 2812 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 54,853 psi | 88% | 2874 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,043 psi | 61% | 1808 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 55,985 psi | 90% | 2851 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 53,911 psi | 86% | 2874 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,288 psi | 87% | 2979 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,081 psi | 79% | 2858 fps | 96.7% |
| Rottweil R 903 | <<locked>> | 82% | 56,101 psi | 90% | 2772 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 54,201 psi | 87% | 2795 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 92% | 55,724 psi | 89% | 2861 fps | 99.5% |
| Rottweil R 907 | <<locked>> | 84% | 54,766 psi | 88% | 2772 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 84% | 53,359 psi | 86% | 2743 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 54,839 psi | 88% | 2785 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 55,970 psi | 90% | 2648 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,028 psi | 90% | 2749 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,288 psi | 89% | 2858 fps | 99.4% |
| Somchem S355 | <<locked>> | 82% | 55,825 psi | 90% | 2766 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 55,767 psi | 89% | 2792 fps | 98.1% |
| Somchem S365 | <<locked>> | 88% | 54,578 psi | 88% | 2812 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,173 psi | 90% | 2831 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 82% | 53,432 psi | 86% | 2690 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 56,086 psi | 90% | 2802 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,709 psi | 89% | 2815 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 86% | 55,216 psi | 89% | 2805 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,186 psi | 87% | 2831 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,041 psi | 87% | 2894 fps | 98.1% |
| Vihtavuori N565 | <<locked>> | 98% | 53,563 psi | 86% | 2871 fps | 98.2% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,415 psi | 81% | 2864 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,521 psi | 89% | 2762 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,128 psi | 87% | 2825 fps | 99.8% |
| Winchester StaBALL HD | <<locked>> | 96% | 52,707 psi | 85% | 2930 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 55,883 psi | 90% | 2825 fps | 99.4% |
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 3100 | <<locked>> | 80% | 33,968 psi | 54% | 2411 fps | 97% |
| Accurate 4350 | <<locked>> | 80% | 45,513 psi | 73% | 2661 fps | 100% |
| Accurate High Country | <<locked>> | 84% | 42,337 psi | 68% | 2690 fps | 95.9% |
| Accurate MAGPRO | <<locked>> | 88% | 45,977 psi | 74% | 2753 fps | 95.6% |
| ADI AR 2209 | <<locked>> | 80% | 38,087 psi | 61% | 2536 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 86% | 41,582 psi | 67% | 2641 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 94% | 39,958 psi | 64% | 2602 fps | 95% |
| ADI AR 2225 | <<locked>> | 92% | 33,518 psi | 54% | 2500 fps | 95.8% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,319 psi | 61% | 2536 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,700 psi | 70% | 2667 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,502 psi | 81% | 2785 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,971 psi | 61% | 2530 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,347 psi | 58% | 2533 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,648 psi | 52% | 2441 fps | 99.5% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,514 psi | 46% | 2346 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,563 psi | 57% | 2569 fps | 98.8% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 52,779 psi | 85% | 2785 fps | 95.3% |
| Bofors RP15 | <<locked>> | 86% | 38,392 psi | 62% | 2575 fps | 95.7% |
| Bofors RP30 | <<locked>> | 92% | 38,682 psi | 62% | 2615 fps | 95.1% |
| Bofors RP5 | <<locked>> | 82% | 36,347 psi | 58% | 2533 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 48,428 psi | 78% | 2667 fps | 99% |
| Hodgdon H1000 | <<locked>> | 90% | 38,145 psi | 61% | 2562 fps | 95% |
| Hodgdon H414 | <<locked>> | 80% | 47,282 psi | 76% | 2710 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 80% | 49,632 psi | 80% | 2723 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 86% | 44,324 psi | 71% | 2648 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,584 psi | 70% | 2631 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,278 psi | 66% | 2556 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 36,085 psi | 58% | 2602 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 46,659 psi | 75% | 2733 fps | 99% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,673 psi | 44% | 1572 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,816 psi | 70% | 2598 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,748 psi | 80% | 2690 fps | 99.4% |
| IMR 4831 | <<locked>> | 80% | 43,352 psi | 70% | 2608 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 84% | 43,033 psi | 69% | 2589 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 88% | 42,583 psi | 68% | 2677 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 47,239 psi | 76% | 2641 fps | 99.8% |
| Lovex S070 | <<locked>> | 80% | 45,542 psi | 73% | 2631 fps | 99.1% |
| Lovex S071 | <<locked>> | 80% | 29,254 psi | 47% | 2290 fps | 95% |
| Norma 204 | <<locked>> | 80% | 43,758 psi | 70% | 2635 fps | 97.2% |
| Norma 217 | <<locked>> | 96% | 34,113 psi | 55% | 2543 fps | 95.5% |
| Norma MRP | 49.7 gr | 80% | 35,375 psi | 57% | 2536 fps | 96.3% |
| Norma URP | <<locked>> | 80% | 44,686 psi | 72% | 2648 fps | 99.9% |
| Ramshot Grand | <<locked>> | 86% | 39,552 psi | 63% | 2625 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 80% | 43,584 psi | 70% | 2644 fps | 99.2% |
| Ramshot Magnum | <<locked>> | 86% | 35,157 psi | 56% | 2500 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,500 psi | 46% | 1614 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,440 psi | 73% | 2680 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,555 psi | 70% | 2694 fps | 99.8% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,837 psi | 53% | 2510 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 45,513 psi | 73% | 2789 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 80% | 52,518 psi | 84% | 2723 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 41,959 psi | 67% | 2572 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 80% | 37,434 psi | 60% | 2516 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 48,428 psi | 78% | 2667 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,239 psi | 76% | 2641 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 80% | 45,542 psi | 73% | 2631 fps | 99.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,475 psi | 84% | 2602 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,137 psi | 74% | 2589 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,101 psi | 59% | 2513 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 52,373 psi | 84% | 2717 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 42,786 psi | 69% | 2562 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 41,756 psi | 67% | 2608 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,826 psi | 61% | 2500 fps | 96.7% |
| Vihtavuori N150 | <<locked>> | 80% | 50,096 psi | 80% | 2644 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,050 psi | 74% | 2641 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 35,056 psi | 56% | 2431 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 45,585 psi | 73% | 2648 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 36,637 psi | 59% | 2513 fps | 99.4% |
| Vihtavuori N560 | 53.4 gr | 86% | 43,758 psi | 70% | 2707 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 90% | 40,857 psi | 66% | 2635 fps | 95% |
| Vihtavuori N568 | <<locked>> | 98% | 46,862 psi | 75% | 2799 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,252 psi | 73% | 2608 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,282 psi | 76% | 2710 fps | 99.2% |
| Winchester StaBALL HD | 49.2 gr | 80% | 28,993 psi | 46% | 2451 fps | 99.6% |
| Winchester Supreme 780 | <<locked>> | 82% | 37,014 psi | 59% | 2480 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 75 powders for 6.5 x 64 (Reb) loaded with the .264 | 140gr | Woodleigh PP SN. Hodgdon Retumbo delivers the highest muzzle velocity at 2,979 fps; across all powders the maximum-charge window runs from 1,765 fps to 2,979 fps. ADI AR 2217 gives the best case fill at 100 %, and 75 of the 75 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 140.0 gr projectile in 0.264" calls for a 1:10.0 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. Winchester StaBALL HD, Vihtavuori N560, Norma MRP rank at the top here: for 6.5 x 64 (Reb) with the .264 | 140gr | Woodleigh PP SN 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.