Load Specifications
Load data in caliber 6.5 x 68 R with .264 | 142gr | SUS-TAC HPT bullet and 49 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N568.
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% | 51,126 psi | 90% | 2818 fps | 100% |
| Accurate High Country | <<locked>> | 84% | 49,081 psi | 87% | 2904 fps | 99% |
| Accurate MAGPRO | <<locked>> | 86% | 49,777 psi | 88% | 2910 fps | 98.2% |
| ADI AR 2209 | <<locked>> | 84% | 49,400 psi | 87% | 2844 fps | 99.5% |
| ADI AR 2213 | <<locked>> | 88% | 50,517 psi | 89% | 2907 fps | 99.1% |
| ADI AR 2217 | <<locked>> | 96% | 48,907 psi | 86% | 2877 fps | 99.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 50,531 psi | 89% | 2959 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 49,690 psi | 88% | 2844 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 49,690 psi | 88% | 2844 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 84% | 49,182 psi | 87% | 2838 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 88% | 51,039 psi | 90% | 2907 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 88% | 49,255 psi | 87% | 2825 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 92% | 48,747 psi | 86% | 2887 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 84% | 48,849 psi | 86% | 2900 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 98% | 49,240 psi | 87% | 2953 fps | 96.5% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 48,892 psi | 86% | 2815 fps | 96.4% |
| Bofors RP15 | <<locked>> | 90% | 50,560 psi | 89% | 2897 fps | 99.7% |
| Bofors RP30 | <<locked>> | 94% | 48,646 psi | 86% | 2894 fps | 99.2% |
| Bofors RP5 | <<locked>> | 88% | 51,039 psi | 90% | 2907 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 94% | 50,299 psi | 89% | 2904 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 86% | 50,430 psi | 89% | 2844 fps | 98.6% |
| Hodgdon H4831 SC | <<locked>> | 86% | 49,414 psi | 87% | 2828 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 49,966 psi | 88% | 2769 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 51,097 psi | 90% | 3022 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,405 psi | 66% | 1834 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 48,327 psi | 85% | 2776 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 88% | 49,095 psi | 87% | 2890 fps | 99% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 46,079 psi | 81% | 2871 fps | 98.8% |
| Lovex S071 | <<locked>> | 92% | 49,356 psi | 87% | 2789 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 46,789 psi | 83% | 2900 fps | 99.9% |
| Norma MRP | <<locked>> | 86% | 50,981 psi | 90% | 2927 fps | 100% |
| Ramshot Grand | <<locked>> | 88% | 49,342 psi | 87% | 2907 fps | 99.3% |
| Ramshot Magnum | <<locked>> | 90% | 47,776 psi | 84% | 2838 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,479 psi | 68% | 1880 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 47,747 psi | 84% | 2949 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 50,662 psi | 90% | 2966 fps | 98.6% |
| Rottweil R 904 | <<locked>> | 84% | 50,328 psi | 89% | 2815 fps | 99% |
| Rottweil R 905 | <<locked>> | 84% | 48,559 psi | 86% | 2822 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 48,196 psi | 85% | 2818 fps | 99.5% |
| Somchem S361 | <<locked>> | 82% | 48,153 psi | 85% | 2749 fps | 98.2% |
| Somchem S365 | <<locked>> | 82% | 51,126 psi | 90% | 2825 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 49,197 psi | 87% | 2802 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 88% | 48,791 psi | 86% | 2785 fps | 99.7% |
| Vihtavuori N555 | <<locked>> | 84% | 48,167 psi | 85% | 2802 fps | 100% |
| Vihtavuori N560 | <<locked>> | 86% | 50,691 psi | 90% | 2923 fps | 98.8% |
| Vihtavuori N565 | <<locked>> | 92% | 50,966 psi | 90% | 2910 fps | 99% |
| Vihtavuori N568 | <<locked>> | 94% | 48,051 psi | 85% | 2907 fps | 97.6% |
| Winchester StaBALL HD | <<locked>> | 90% | 51,169 psi | 90% | 2963 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 48,602 psi | 86% | 2792 fps | 99.5% |
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% | 39,117 psi | 69% | 2598 fps | 99.5% |
| Accurate High Country | <<locked>> | 80% | 42,598 psi | 75% | 2776 fps | 97.8% |
| Accurate MAGPRO | <<locked>> | 80% | 40,335 psi | 71% | 2717 fps | 95.8% |
| ADI AR 2209 | <<locked>> | 80% | 43,062 psi | 76% | 2726 fps | 98.6% |
| ADI AR 2213 | <<locked>> | 80% | 38,551 psi | 68% | 2664 fps | 96.4% |
| ADI AR 2217 | <<locked>> | 86% | 35,114 psi | 62% | 2579 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 82% | 27,920 psi | 49% | 2418 fps | 95.1% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 43,482 psi | 77% | 2726 fps | 98.7% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 43,482 psi | 77% | 2726 fps | 98.7% |
| Alliant Reloder-19 | <<locked>> | 80% | 43,105 psi | 76% | 2720 fps | 98.7% |
| Alliant Reloder-22 | <<locked>> | 80% | 39,059 psi | 69% | 2671 fps | 97.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 37,884 psi | 67% | 2621 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 32,605 psi | 58% | 2549 fps | 98.9% |
| Alliant Reloder-26 | <<locked>> | 80% | 42,134 psi | 74% | 2782 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 45,803 psi | 81% | 2887 fps | 95.5% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 45,934 psi | 81% | 2756 fps | 95.5% |
| Bofors RP15 | <<locked>> | 80% | 36,289 psi | 64% | 2605 fps | 96.9% |
| Bofors RP30 | <<locked>> | 84% | 34,635 psi | 61% | 2595 fps | 95.6% |
| Bofors RP5 | <<locked>> | 80% | 39,059 psi | 69% | 2671 fps | 97.9% |
| Hodgdon H1000 | <<locked>> | 82% | 33,417 psi | 59% | 2536 fps | 95.3% |
| Hodgdon H4831 | <<locked>> | 80% | 41,017 psi | 73% | 2664 fps | 96.5% |
| Hodgdon H4831 SC | <<locked>> | 80% | 40,393 psi | 71% | 2651 fps | 96.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 46,775 psi | 83% | 2720 fps | 100% |
| Hodgdon Retumbo | 53.3 gr | 80% | 31,879 psi | 56% | 2575 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,195 psi | 50% | 1640 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 42,453 psi | 75% | 2661 fps | 97.1% |
| IMR 7828 SSC | <<locked>> | 80% | 37,159 psi | 66% | 2638 fps | 96% |
| IMR 8133 Enduron | <<locked>> | 92% | 35,157 psi | 62% | 2631 fps | 95.6% |
| Lovex S071 | <<locked>> | 80% | 33,721 psi | 60% | 2477 fps | 98.4% |
| Norma 217 | <<locked>> | 86% | 28,935 psi | 51% | 2477 fps | 95.1% |
| Norma MRP | <<locked>> | 80% | 41,133 psi | 73% | 2740 fps | 99.3% |
| Ramshot Grand | <<locked>> | 80% | 37,043 psi | 65% | 2651 fps | 96.4% |
| Ramshot Magnum | <<locked>> | 80% | 32,953 psi | 58% | 2526 fps | 96.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,805 psi | 51% | 1680 fps | 100% |
| ReloadSwiss RS 76 | 57 gr | 80% | 30,850 psi | 55% | 2543 fps | 96.7% |
| ReloadSwiss RS 80 | <<locked>> | 88% | 37,536 psi | 66% | 2700 fps | 95% |
| Rottweil R 904 | <<locked>> | 80% | 44,309 psi | 78% | 2703 fps | 98% |
| Rottweil R 905 | <<locked>> | 80% | 42,569 psi | 75% | 2707 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 42,235 psi | 75% | 2703 fps | 98.6% |
| Somchem S361 | <<locked>> | 80% | 45,078 psi | 80% | 2694 fps | 97.5% |
| Somchem S365 | <<locked>> | 80% | 47,848 psi | 85% | 2772 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 43,105 psi | 76% | 2690 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 80% | 37,492 psi | 66% | 2562 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 42,279 psi | 75% | 2697 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 41,031 psi | 73% | 2733 fps | 96.7% |
| Vihtavuori N565 | <<locked>> | 82% | 36,318 psi | 64% | 2608 fps | 95.4% |
| Vihtavuori N568 | 62.6 gr | 90% | 41,843 psi | 74% | 2782 fps | 95.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 34,708 psi | 61% | 2667 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 39,479 psi | 70% | 2615 fps | 97.9% |
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 49 powders for 6.5 x 68 R loaded with the .264 | 142gr | SUS-TAC HPT. Hodgdon Retumbo delivers the highest muzzle velocity at 3,022 fps; across all powders the maximum-charge window runs from 1,834 fps to 3,022 fps. ADI AR 2225 gives the best case fill at 100 %, and 49 of the 49 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 66–90 %, leaving at least 10 % headroom. The 142.0 gr projectile in 0.264" calls for a 1:7.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Hodgdon TrailBoss, IMR 8133 Enduron 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. Hodgdon Retumbo, ReloadSwiss RS 76, Vihtavuori N568 rank at the top here: for 6.5 x 68 R with the .264 | 142gr | SUS-TAC HPT 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.