Load Specifications
Load data in caliber 6.5-06 Ackley Improved with .264 | 140gr | Lapua Naturalis bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Ramshot Grand 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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2700 | <<locked>> | 82% | 55,477 psi | 85% | 2740 fps | 99.6% |
| Accurate 3100 | <<locked>> | 96% | 58,726 psi | 90% | 2858 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 56,217 psi | 87% | 2835 fps | 100% |
| Accurate MAGPRO | <<locked>> | 96% | 57,508 psi | 89% | 2949 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 82% | 56,913 psi | 88% | 2785 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 56,318 psi | 87% | 2881 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 96% | 57,986 psi | 89% | 2946 fps | 98.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,559 psi | 75% | 2782 fps | 97.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,555 psi | 67% | 2749 fps | 99.2% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 56,623 psi | 87% | 2881 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 58,392 psi | 90% | 2812 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 56,695 psi | 87% | 2884 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 58,015 psi | 89% | 2900 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 55,941 psi | 86% | 2871 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 58,015 psi | 89% | 2943 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,259 psi | 85% | 2861 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 54,621 psi | 84% | 2920 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 55,579 psi | 86% | 2946 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 56,043 psi | 86% | 2844 fps | 95.9% |
| Bofors RP15 | <<locked>> | 98% | 56,811 psi | 87% | 2923 fps | 99.5% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,763 psi | 78% | 2861 fps | 98.4% |
| Bofors RP5 | <<locked>> | 96% | 58,015 psi | 89% | 2943 fps | 99.6% |
| Bofors RP7 | <<locked>> | 86% | 58,436 psi | 90% | 2831 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 49,850 psi | 77% | 2808 fps | 98.4% |
| Hodgdon H414 | <<locked>> | 84% | 58,697 psi | 90% | 2900 fps | 100% |
| Hodgdon H4350 | <<locked>> | 88% | 58,653 psi | 90% | 2871 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 98% | 57,116 psi | 88% | 2871 fps | 98.2% |
| Hodgdon H4831 SC | <<locked>> | 94% | 56,768 psi | 87% | 2867 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 57,203 psi | 88% | 2808 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,447 psi | 82% | 2982 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 86% | 58,088 psi | 89% | 2923 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,202 psi | 57% | 1762 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 56,217 psi | 87% | 2766 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,812 psi | 89% | 2799 fps | 99.9% |
| IMR 4350 | <<locked>> | 88% | 56,217 psi | 87% | 2815 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,260 psi | 87% | 2799 fps | 99.9% |
| IMR 4831 | <<locked>> | 92% | 57,711 psi | 89% | 2841 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 55,274 psi | 85% | 2808 fps | 98.1% |
| IMR 7828 SSC | <<locked>> | 94% | 55,970 psi | 86% | 2927 fps | 98.7% |
| Lovex S065 | <<locked>> | 86% | 56,942 psi | 88% | 2799 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 58,595 psi | 90% | 2848 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,854 psi | 86% | 2818 fps | 100% |
| Norma 204 | <<locked>> | 88% | 57,334 psi | 88% | 2871 fps | 99.4% |
| Norma 217ᴾ | <<locked>> | 100% | 39,363 psi | 61% | 2684 fps | 97.6% |
| Norma MRP | <<locked>> | 94% | 57,870 psi | 89% | 2966 fps | 100% |
| Norma URP | <<locked>> | 88% | 57,856 psi | 89% | 2864 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 55,724 psi | 86% | 2933 fps | 99% |
| Ramshot Hunter | <<locked>> | 88% | 56,811 psi | 87% | 2874 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 56,666 psi | 87% | 2907 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,116 psi | 59% | 1804 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 57,203 psi | 88% | 2884 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 55,927 psi | 86% | 2854 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 57,696 psi | 89% | 2933 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,012 psi | 83% | 2982 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,037 psi | 75% | 2864 fps | 96.6% |
| Rottweil R 903 | <<locked>> | 82% | 56,550 psi | 87% | 2782 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 57,841 psi | 89% | 2854 fps | 98.8% |
| Rottweil R 905 | <<locked>> | 92% | 55,579 psi | 86% | 2861 fps | 99.4% |
| Rottweil R 907 | <<locked>> | 86% | 58,436 psi | 90% | 2831 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 86% | 56,942 psi | 88% | 2799 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 58,595 psi | 90% | 2848 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 57,725 psi | 89% | 2838 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 56,014 psi | 86% | 2651 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,188 psi | 86% | 2753 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,129 psi | 85% | 2858 fps | 99.3% |
| Somchem S355 | <<locked>> | 82% | 56,173 psi | 86% | 2776 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 55,840 psi | 86% | 2795 fps | 98% |
| Somchem S365 | <<locked>> | 90% | 58,494 psi | 90% | 2867 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,275 psi | 87% | 2838 fps | 99.8% |
| Unknown powder | <<locked>> | 86% | 58,102 psi | 89% | 2864 fps | 100% |
| Vihtavuori N150 | <<locked>> | 84% | 57,058 psi | 88% | 2743 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 56,086 psi | 86% | 2805 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,738 psi | 86% | 2818 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 86% | 55,390 psi | 85% | 2812 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 57,972 psi | 89% | 2887 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 57,638 psi | 89% | 2959 fps | 98.6% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 57,551 psi | 89% | 2940 fps | 98.7% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,183 psi | 77% | 2867 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,317 psi | 85% | 2762 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 58,697 psi | 90% | 2900 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 56,623 psi | 87% | 2995 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 57,421 psi | 88% | 2854 fps | 99.4% |
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 2700 | <<locked>> | 80% | 52,098 psi | 80% | 2687 fps | 99.3% |
| Accurate 3100 | <<locked>> | 80% | 34,925 psi | 54% | 2434 fps | 97.4% |
| Accurate 4350 | <<locked>> | 80% | 46,209 psi | 71% | 2677 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 46,905 psi | 72% | 2769 fps | 95% |
| ADI AR 2208 | <<locked>> | 80% | 53,679 psi | 83% | 2740 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 38,450 psi | 59% | 2546 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 86% | 41,829 psi | 64% | 2651 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 94% | 40,248 psi | 62% | 2612 fps | 95% |
| ADI AR 2225 | <<locked>> | 92% | 34,026 psi | 52% | 2520 fps | 96% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,696 psi | 60% | 2549 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 55,100 psi | 85% | 2762 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,816 psi | 67% | 2674 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,401 psi | 78% | 2792 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,392 psi | 59% | 2543 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,680 psi | 56% | 2543 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 33,199 psi | 51% | 2461 fps | 99.6% |
| Alliant Reloder-25 | <<locked>> | 80% | 29,225 psi | 45% | 2372 fps | 95.6% |
| Alliant Reloder-26 | 50 gr | 80% | 36,071 psi | 56% | 2592 fps | 99% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 52,823 psi | 81% | 2789 fps | 95.1% |
| Bofors RP15 | <<locked>> | 84% | 36,477 psi | 56% | 2539 fps | 95% |
| Bofors RP30 | <<locked>> | 92% | 39,001 psi | 60% | 2628 fps | 95.2% |
| Bofors RP5 | <<locked>> | 82% | 36,680 psi | 56% | 2543 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 48,762 psi | 75% | 2674 fps | 99% |
| Hodgdon H1000 | <<locked>> | 92% | 38,624 psi | 59% | 2579 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 80% | 51,343 psi | 79% | 2785 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 80% | 45,948 psi | 71% | 2657 fps | 98.1% |
| Hodgdon H4831 | <<locked>> | 90% | 44,512 psi | 69% | 2654 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,801 psi | 67% | 2641 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,568 psi | 64% | 2566 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 88% | 36,564 psi | 56% | 2618 fps | 95.7% |
| Hodgdon Superformance | <<locked>> | 80% | 46,804 psi | 72% | 2740 fps | 99% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,992 psi | 43% | 1575 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 52,982 psi | 82% | 2717 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,503 psi | 79% | 2700 fps | 99.6% |
| IMR 4350 | <<locked>> | 80% | 44,121 psi | 68% | 2608 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,864 psi | 77% | 2697 fps | 99.4% |
| IMR 4831 | <<locked>> | 80% | 40,161 psi | 62% | 2549 fps | 99.6% |
| IMR 4955 Enduron | <<locked>> | 84% | 43,424 psi | 67% | 2598 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 86% | 42,844 psi | 66% | 2684 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 47,674 psi | 73% | 2648 fps | 99.8% |
| Lovex S070 | <<locked>> | 80% | 46,006 psi | 71% | 2641 fps | 99.1% |
| Lovex S071 | <<locked>> | 80% | 30,371 psi | 47% | 2320 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 44,092 psi | 68% | 2644 fps | 97.2% |
| Norma 217 | <<locked>> | 96% | 34,737 psi | 53% | 2569 fps | 95.8% |
| Norma MRP | <<locked>> | 80% | 35,969 psi | 55% | 2556 fps | 96.5% |
| Norma URP | <<locked>> | 80% | 45,034 psi | 69% | 2657 fps | 99.9% |
| Ramshot Grand | 52.6 gr | 84% | 41,785 psi | 64% | 2677 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 43,932 psi | 68% | 2657 fps | 99.2% |
| Ramshot Magnum | <<locked>> | 82% | 34,229 psi | 53% | 2480 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,631 psi | 44% | 1611 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 53,388 psi | 82% | 2831 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,977 psi | 71% | 2697 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,961 psi | 68% | 2710 fps | 99.8% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 33,402 psi | 51% | 2530 fps | 95.5% |
| ReloadSwiss RS 80 | <<locked>> | 98% | 45,803 psi | 70% | 2802 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 80% | 53,026 psi | 82% | 2730 fps | 100% |
| Rottweil R 904 | <<locked>> | 82% | 42,322 psi | 65% | 2582 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 80% | 37,898 psi | 58% | 2533 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 48,762 psi | 75% | 2674 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,674 psi | 73% | 2648 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 80% | 46,006 psi | 71% | 2641 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 54,143 psi | 83% | 2785 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,779 psi | 81% | 2608 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,615 psi | 72% | 2598 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,565 psi | 58% | 2526 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 52,736 psi | 81% | 2723 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 43,134 psi | 66% | 2572 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 42,163 psi | 65% | 2621 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,682 psi | 60% | 2520 fps | 96.9% |
| Unknown powder | <<locked>> | 80% | 48,022 psi | 74% | 2707 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 50,401 psi | 78% | 2651 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,383 psi | 71% | 2651 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 35,636 psi | 55% | 2448 fps | 95.5% |
| Vihtavuori N550 | <<locked>> | 80% | 46,064 psi | 71% | 2661 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 80% | 37,347 psi | 57% | 2536 fps | 99.5% |
| Vihtavuori N560 | <<locked>> | 86% | 44,063 psi | 68% | 2720 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 90% | 41,452 psi | 64% | 2654 fps | 95.1% |
| Vihtavuori N568 | <<locked>> | 98% | 46,949 psi | 72% | 2808 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,382 psi | 70% | 2615 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 51,343 psi | 79% | 2785 fps | 99.6% |
| Winchester StaBALL HD | 48.1 gr | 80% | 29,834 psi | 46% | 2480 fps | 99.7% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,174 psi | 59% | 2510 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 82 powders for 6.5-06 Ackley Improved loaded with the .264 | 140gr | Lapua Naturalis. Winchester StaBALL HD delivers the highest muzzle velocity at 2,995 fps; across all powders the maximum-charge window runs from 1,762 fps to 2,995 fps. ADI AR 2217 gives the best case fill at 100 %, and 82 of the 82 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 140.0 gr projectile in 0.264" calls for a 1:9.0 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. Alliant Reloder-26, Ramshot Grand, Winchester StaBALL HD rank at the top here: for 6.5-06 Ackley Improved 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.