
Load Specifications
Load data in caliber 6.5-06 Ackley Improved with .264 | 139gr | Brenneke TOG bullet and 80 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N560, Norma MRP and ADI AR 2213.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 96% | 56,347 psi | 87% | 2844 fps | 100% |
| Accurate 4350 | <<locked>> | 88% | 58,015 psi | 89% | 2881 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 54,810 psi | 84% | 2933 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 82% | 55,709 psi | 86% | 2789 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 55,056 psi | 85% | 2881 fps | 99.2% |
| ADI AR 2213 | <<locked>> | 96% | 56,260 psi | 87% | 2936 fps | 98.7% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,065 psi | 72% | 2772 fps | 97.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,916 psi | 65% | 2733 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 56,913 psi | 88% | 2808 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 58,740 psi | 90% | 2933 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 56,333 psi | 87% | 2897 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 94% | 58,305 psi | 90% | 2927 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 96% | 56,072 psi | 86% | 2933 fps | 99.5% |
| Alliant Reloder-23 | <<locked>> | 98% | 57,406 psi | 88% | 2907 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,953 psi | 81% | 2913 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 57,914 psi | 89% | 2999 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 98% | 58,233 psi | 90% | 2897 fps | 96.4% |
| Bofors RP15ᴾ | <<locked>> | 100% | 58,740 psi | 90% | 2972 fps | 99.6% |
| Bofors RP3 | <<locked>> | 82% | 58,001 psi | 89% | 2828 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 48,950 psi | 75% | 2848 fps | 98% |
| Bofors RP5 | <<locked>> | 96% | 56,072 psi | 86% | 2933 fps | 99.5% |
| Bofors RP7 | <<locked>> | 86% | 56,869 psi | 88% | 2828 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,112 psi | 80% | 2867 fps | 98.8% |
| Hodgdon H380 | <<locked>> | 82% | 57,928 psi | 89% | 2848 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 56,144 psi | 86% | 2881 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 55,187 psi | 85% | 2835 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 94% | 56,391 psi | 87% | 2877 fps | 98.1% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,419 psi | 85% | 2864 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,550 psi | 85% | 2805 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 51,808 psi | 80% | 2972 fps | 99.7% |
| Hodgdon Superformance | <<locked>> | 86% | 56,304 psi | 87% | 2917 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,985 psi | 57% | 1768 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 58,653 psi | 90% | 2818 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 58,392 psi | 90% | 2864 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 86% | 58,276 psi | 90% | 2848 fps | 99.9% |
| IMR 4831 | <<locked>> | 90% | 58,407 psi | 90% | 2871 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 57,682 psi | 89% | 2864 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 98% | 58,088 psi | 89% | 2976 fps | 99% |
| Lovex S065 | <<locked>> | 86% | 55,651 psi | 86% | 2799 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 57,174 psi | 88% | 2844 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 53,853 psi | 83% | 2808 fps | 100% |
| Norma 204 | <<locked>> | 88% | 55,724 psi | 86% | 2867 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 37,507 psi | 58% | 2657 fps | 96.9% |
| Norma MRP | <<locked>> | 94% | 56,188 psi | 86% | 2959 fps | 99.9% |
| Norma URP | <<locked>> | 88% | 56,492 psi | 87% | 2864 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,781 psi | 84% | 2936 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 88% | 55,158 psi | 85% | 2867 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 56,869 psi | 88% | 2930 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,811 psi | 58% | 1811 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 57,609 psi | 89% | 2835 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,941 psi | 86% | 2884 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 58,044 psi | 89% | 2904 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 56,275 psi | 87% | 2933 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,417 psi | 81% | 2972 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 47,253 psi | 73% | 2848 fps | 96.1% |
| Rottweil R 903 | <<locked>> | 84% | 58,146 psi | 89% | 2825 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,318 psi | 87% | 2848 fps | 98.6% |
| Rottweil R 905 | <<locked>> | 94% | 57,551 psi | 89% | 2910 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 86% | 56,869 psi | 88% | 2828 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,651 psi | 86% | 2799 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 57,174 psi | 88% | 2844 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 56,173 psi | 86% | 2835 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 58,204 psi | 90% | 2697 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 58,276 psi | 90% | 2802 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 57,101 psi | 88% | 2907 fps | 99.5% |
| Somchem S355 | <<locked>> | 84% | 57,914 psi | 89% | 2822 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 58,001 psi | 89% | 2844 fps | 98.3% |
| Somchem S365 | <<locked>> | 90% | 56,579 psi | 87% | 2864 fps | 100% |
| Somchem S385 | <<locked>> | 94% | 58,334 psi | 90% | 2887 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 84% | 55,448 psi | 85% | 2743 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 58,189 psi | 90% | 2854 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 57,667 psi | 89% | 2864 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 88% | 57,537 psi | 89% | 2864 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 56,101 psi | 86% | 2884 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 56,101 psi | 86% | 2953 fps | 98.3% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 55,579 psi | 86% | 2927 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,972 psi | 89% | 2815 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 56,144 psi | 86% | 2881 fps | 99.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 58,798 psi | 90% | 3045 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 58,247 psi | 90% | 2884 fps | 99.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 32,924 psi | 51% | 2408 fps | 96.6% |
| Accurate 4350 | <<locked>> | 80% | 44,222 psi | 68% | 2661 fps | 99.9% |
| Accurate MAGPRO | <<locked>> | 88% | 44,483 psi | 68% | 2749 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 52,214 psi | 80% | 2736 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 37,086 psi | 57% | 2536 fps | 95.1% |
| ADI AR 2213 | 52.3 gr | 88% | 43,134 psi | 66% | 2697 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 96% | 41,263 psi | 64% | 2654 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 92% | 32,518 psi | 50% | 2493 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 53,650 psi | 83% | 2762 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,453 psi | 65% | 2667 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 48,834 psi | 75% | 2785 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 36,941 psi | 57% | 2530 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,550 psi | 58% | 2585 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,618 psi | 49% | 2438 fps | 99.2% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,414 psi | 45% | 2395 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,432 psi | 53% | 2569 fps | 98.5% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 54,853 psi | 84% | 2841 fps | 95.6% |
| Bofors RP15 | <<locked>> | 86% | 37,318 psi | 57% | 2575 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 54,273 psi | 84% | 2776 fps | 100% |
| Bofors RP30 | <<locked>> | 94% | 39,958 psi | 61% | 2671 fps | 95.6% |
| Bofors RP5 | <<locked>> | 84% | 37,550 psi | 58% | 2585 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 47,311 psi | 73% | 2671 fps | 98.8% |
| Hodgdon H1000 | <<locked>> | 92% | 39,595 psi | 61% | 2618 fps | 95.5% |
| Hodgdon H380 | <<locked>> | 80% | 54,273 psi | 84% | 2795 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 46,050 psi | 71% | 2710 fps | 99% |
| Hodgdon H4350 | <<locked>> | 80% | 48,457 psi | 75% | 2723 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 86% | 43,018 psi | 66% | 2644 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 88% | 45,266 psi | 70% | 2687 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,074 psi | 62% | 2556 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 37,304 psi | 57% | 2657 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 45,150 psi | 69% | 2730 fps | 98.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,601 psi | 42% | 1578 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 54,955 psi | 85% | 2769 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,757 psi | 66% | 2602 fps | 98% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,660 psi | 75% | 2694 fps | 99.3% |
| IMR 4831 | <<locked>> | 80% | 42,163 psi | 65% | 2608 fps | 99.8% |
| IMR 4955 Enduron | <<locked>> | 84% | 42,061 psi | 65% | 2589 fps | 95% |
| IMR 7828 SSC | <<locked>> | 88% | 41,495 psi | 64% | 2674 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 46,166 psi | 71% | 2644 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 44,425 psi | 68% | 2631 fps | 98.9% |
| Lovex S071 | <<locked>> | 82% | 30,327 psi | 47% | 2343 fps | 95.5% |
| Norma 204 | <<locked>> | 80% | 42,641 psi | 66% | 2635 fps | 96.8% |
| Norma 217 | <<locked>> | 98% | 35,041 psi | 54% | 2595 fps | 95.9% |
| Norma MRP | 49.1 gr | 80% | 34,330 psi | 53% | 2536 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 43,482 psi | 67% | 2651 fps | 99.8% |
| Ramshot Grand | <<locked>> | 88% | 41,002 psi | 63% | 2677 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 42,424 psi | 65% | 2648 fps | 99% |
| Ramshot Magnum | <<locked>> | 86% | 34,185 psi | 53% | 2500 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,413 psi | 44% | 1621 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 54,085 psi | 83% | 2782 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,837 psi | 80% | 2828 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,208 psi | 68% | 2684 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,409 psi | 65% | 2697 fps | 99.7% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 34,142 psi | 53% | 2572 fps | 95.8% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 43,845 psi | 67% | 2779 fps | 95% |
| Rottweil R 903 | <<locked>> | 80% | 51,213 psi | 79% | 2726 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 40,930 psi | 63% | 2572 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 80% | 36,347 psi | 56% | 2516 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 80% | 47,311 psi | 73% | 2671 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,166 psi | 71% | 2644 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 44,425 psi | 68% | 2631 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,663 psi | 81% | 2785 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,576 psi | 79% | 2612 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,092 psi | 69% | 2592 fps | 98.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,027 psi | 55% | 2510 fps | 95% |
| Somchem S355 | <<locked>> | 80% | 51,126 psi | 79% | 2723 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,570 psi | 69% | 2618 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 40,466 psi | 62% | 2608 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,782 psi | 57% | 2500 fps | 96.3% |
| Vihtavuori N150 | <<locked>> | 80% | 48,907 psi | 75% | 2648 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,875 psi | 69% | 2644 fps | 99.9% |
| Vihtavuori N165 | <<locked>> | 84% | 36,463 psi | 56% | 2487 fps | 95.8% |
| Vihtavuori N550 | <<locked>> | 80% | 44,208 psi | 68% | 2648 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 35,462 psi | 55% | 2513 fps | 99.2% |
| Vihtavuori N560 | 52.7 gr | 86% | 42,351 psi | 65% | 2703 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 92% | 42,235 psi | 65% | 2687 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 43,918 psi | 68% | 2608 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,050 psi | 71% | 2710 fps | 99% |
| Winchester StaBALL HD | <<locked>> | 80% | 28,108 psi | 43% | 2444 fps | 99.3% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,551 psi | 59% | 2539 fps | 95.8% |
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 80 powders for 6.5-06 Ackley Improved loaded with the .264 | 139gr | Brenneke TOG. Winchester StaBALL HD delivers the highest muzzle velocity at 3,045 fps; across all powders the maximum-charge window runs from 1,768 fps to 3,045 fps. ADI AR 2217 gives the best case fill at 100 %, and 80 of the 80 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 139.0 gr projectile in 0.264" calls for a 1:9.5 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. Vihtavuori N560, Norma MRP, ADI AR 2213 rank at the top here: for 6.5-06 Ackley Improved with the .264 | 139gr | Brenneke TOG 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.