Load Specifications
Load data in caliber 6.5 x 68 with .264 | 140gr | Lapua Naturalis bullet and 55 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N570, Hodgdon Retumbo and ReloadSwiss RS 76.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 88% | 57,232 psi | 90% | 2933 fps | 100% |
| Accurate MAGPRO | <<locked>> | 86% | 55,608 psi | 87% | 3038 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 84% | 54,172 psi | 85% | 2956 fps | 99.9% |
| ADI AR 2213 | <<locked>> | 88% | 55,985 psi | 88% | 3028 fps | 99.8% |
| ADI AR 2217 | <<locked>> | 96% | 54,621 psi | 86% | 3005 fps | 99.9% |
| ADI AR 2218ᴾ | <<locked>> | 100% | 54,665 psi | 86% | 3117 fps | 98.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 57,116 psi | 90% | 3087 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 54,418 psi | 85% | 2953 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 54,418 psi | 85% | 2953 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 86% | 57,261 psi | 90% | 3002 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 88% | 56,623 psi | 89% | 3025 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 88% | 54,998 psi | 86% | 2936 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 92% | 55,013 psi | 86% | 3009 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 84% | 55,448 psi | 87% | 3025 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 98% | 56,478 psi | 89% | 3104 fps | 98.3% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 52,359 psi | 82% | 3025 fps | 97% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 56,521 psi | 89% | 2986 fps | 98.3% |
| Bofors RP15 | <<locked>> | 90% | 56,086 psi | 88% | 3015 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 54,766 psi | 86% | 3022 fps | 99.9% |
| Bofors RP5 | <<locked>> | 88% | 56,623 psi | 89% | 3025 fps | 100% |
| Hodgdon H1000 | <<locked>> | 94% | 56,173 psi | 88% | 3025 fps | 100% |
| Hodgdon H4831 | <<locked>> | 86% | 55,361 psi | 87% | 2959 fps | 99.4% |
| Hodgdon H4831 SC | <<locked>> | 86% | 54,346 psi | 85% | 2943 fps | 99.3% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 54,824 psi | 86% | 2864 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 57,653 psi | 90% | 3153 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,855 psi | 59% | 1883 fps | 100% |
| IMR 4350 | <<locked>> | 82% | 56,550 psi | 89% | 2930 fps | 100% |
| IMR 4831 | <<locked>> | 82% | 57,464 psi | 90% | 2933 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 86% | 55,811 psi | 87% | 2936 fps | 99.5% |
| IMR 7828 SSC | <<locked>> | 88% | 54,476 psi | 85% | 3012 fps | 99.7% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 52,779 psi | 83% | 3012 fps | 99.7% |
| Lovex S071 | <<locked>> | 92% | 55,230 psi | 87% | 2904 fps | 100% |
| Norma 204 | <<locked>> | 82% | 57,725 psi | 90% | 2989 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 53,722 psi | 84% | 3035 fps | 100% |
| Norma MRP | <<locked>> | 86% | 56,855 psi | 89% | 3045 fps | 100% |
| Ramshot Grand | <<locked>> | 88% | 55,564 psi | 87% | 3035 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 90% | 54,070 psi | 85% | 2963 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,943 psi | 61% | 1929 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 54,418 psi | 85% | 3081 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 53,925 psi | 85% | 3048 fps | 99.3% |
| Rottweil R 904 | <<locked>> | 84% | 54,926 psi | 86% | 2927 fps | 99.7% |
| Rottweil R 905 | <<locked>> | 86% | 57,348 psi | 90% | 2995 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 56,956 psi | 89% | 2992 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 56,101 psi | 88% | 2913 fps | 99.5% |
| Somchem S365 | <<locked>> | 82% | 56,884 psi | 89% | 2930 fps | 100% |
| Somchem S385 | <<locked>> | 86% | 57,740 psi | 90% | 2966 fps | 100% |
| Vihtavuori N165 | <<locked>> | 90% | 57,508 psi | 90% | 2949 fps | 100% |
| Vihtavuori N170 | <<locked>> | 94% | 56,463 psi | 88% | 2969 fps | 96.7% |
| Vihtavuori N555 | <<locked>> | 86% | 57,043 psi | 89% | 2963 fps | 100% |
| Vihtavuori N560 | <<locked>> | 86% | 56,231 psi | 88% | 3045 fps | 99.6% |
| Vihtavuori N565 | <<locked>> | 92% | 57,305 psi | 90% | 3041 fps | 99.8% |
| Vihtavuori N568 | <<locked>> | 94% | 54,592 psi | 86% | 3048 fps | 99% |
| Vihtavuori N570 | <<locked>> | 96% | 55,579 psi | 87% | 3107 fps | 97.8% |
| Winchester StaBALL HD | <<locked>> | 88% | 54,592 psi | 86% | 3028 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 88% | 57,377 psi | 90% | 2959 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 44,237 psi | 69% | 2720 fps | 100% |
| Accurate MAGPRO | <<locked>> | 80% | 45,397 psi | 71% | 2848 fps | 97.5% |
| ADI AR 2209 | <<locked>> | 80% | 47,616 psi | 75% | 2841 fps | 99.5% |
| ADI AR 2213 | <<locked>> | 80% | 42,917 psi | 67% | 2785 fps | 98% |
| ADI AR 2217 | <<locked>> | 82% | 34,635 psi | 54% | 2589 fps | 95.6% |
| ADI AR 2218 | <<locked>> | 94% | 44,425 psi | 70% | 2900 fps | 95% |
| ADI AR 2225 | <<locked>> | 80% | 29,921 psi | 47% | 2507 fps | 96.8% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 48,022 psi | 75% | 2841 fps | 99.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 48,022 psi | 75% | 2841 fps | 99.5% |
| Alliant Reloder-19 | <<locked>> | 80% | 47,587 psi | 75% | 2835 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 80% | 43,787 psi | 69% | 2795 fps | 99.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 42,554 psi | 67% | 2730 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 37,028 psi | 58% | 2677 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 47,950 psi | 75% | 2904 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 92% | 45,556 psi | 71% | 2904 fps | 95.8% |
| Alliant Reloder-50 | <<locked>> | 96% | 45,295 psi | 71% | 2890 fps | 95.1% |
| Baschieri & Pellagri 109 | <<locked>> | 82% | 44,179 psi | 69% | 2753 fps | 95.5% |
| Bofors RP15 | <<locked>> | 80% | 40,770 psi | 64% | 2730 fps | 98.4% |
| Bofors RP30 | <<locked>> | 80% | 34,737 psi | 54% | 2615 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 43,787 psi | 69% | 2795 fps | 99.1% |
| Hodgdon H1000 | <<locked>> | 80% | 35,012 psi | 55% | 2602 fps | 96.5% |
| Hodgdon H4831 | <<locked>> | 80% | 45,527 psi | 71% | 2785 fps | 98% |
| Hodgdon H4831 SC | <<locked>> | 80% | 44,715 psi | 70% | 2766 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 51,416 psi | 81% | 2815 fps | 100% |
| Hodgdon Retumbo | 57.3 gr | 80% | 36,158 psi | 57% | 2720 fps | 98.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,485 psi | 45% | 1683 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 53,214 psi | 83% | 2877 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 53,983 psi | 85% | 2884 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 46,499 psi | 73% | 2772 fps | 98.3% |
| IMR 7828 SSC | <<locked>> | 80% | 41,655 psi | 65% | 2766 fps | 97.7% |
| IMR 8133 Enduron | <<locked>> | 86% | 33,402 psi | 52% | 2602 fps | 95.2% |
| Lovex S071 | <<locked>> | 80% | 38,450 psi | 60% | 2602 fps | 99.5% |
| Norma 204 | <<locked>> | 80% | 53,969 psi | 85% | 2933 fps | 99.9% |
| Norma 217 | <<locked>> | 82% | 29,573 psi | 46% | 2510 fps | 95.8% |
| Norma MRP | <<locked>> | 80% | 46,282 psi | 73% | 2864 fps | 99.9% |
| Ramshot Grand | <<locked>> | 80% | 41,669 psi | 65% | 2779 fps | 98.1% |
| Ramshot Magnum | <<locked>> | 80% | 37,739 psi | 59% | 2661 fps | 98.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,312 psi | 46% | 1726 fps | 100% |
| ReloadSwiss RS 76 | 61.3 gr | 80% | 35,389 psi | 55% | 2694 fps | 98.8% |
| ReloadSwiss RS 80 | <<locked>> | 84% | 37,507 psi | 59% | 2717 fps | 95.3% |
| Rottweil R 904 | <<locked>> | 80% | 48,457 psi | 76% | 2815 fps | 99% |
| Rottweil R 905 | <<locked>> | 80% | 47,195 psi | 74% | 2825 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 46,862 psi | 73% | 2822 fps | 99.5% |
| Somchem S361 | <<locked>> | 80% | 49,429 psi | 77% | 2802 fps | 98.6% |
| Somchem S365 | <<locked>> | 80% | 53,359 psi | 84% | 2877 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 47,834 psi | 75% | 2802 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 80% | 41,872 psi | 66% | 2680 fps | 99.1% |
| Vihtavuori N170 | <<locked>> | 90% | 49,748 psi | 78% | 2854 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 80% | 47,282 psi | 74% | 2808 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 45,905 psi | 72% | 2858 fps | 98.2% |
| Vihtavuori N565 | <<locked>> | 80% | 38,696 psi | 61% | 2684 fps | 96.5% |
| Vihtavuori N568 | <<locked>> | 84% | 38,624 psi | 61% | 2730 fps | 95.1% |
| Vihtavuori N570 | 66.9 gr | 90% | 45,252 psi | 71% | 2910 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 80% | 40,654 psi | 64% | 2799 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 44,034 psi | 69% | 2733 fps | 99% |
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 55 powders for 6.5 x 68 loaded with the .264 | 140gr | Lapua Naturalis. Hodgdon Retumbo delivers the highest muzzle velocity at 3,153 fps; across all powders the maximum-charge window runs from 1,883 fps to 3,153 fps. ADI AR 2218 gives the best case fill at 100 %, and 55 of the 55 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.264" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2218, ADI AR 2225, Alliant Reloder-50 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. Vihtavuori N570, Hodgdon Retumbo, ReloadSwiss RS 76 rank at the top here: for 6.5 x 68 with the .264 | 140gr | Lapua Naturalis 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.