
Load Specifications
Load data in caliber 6.5-06 A-Square with .264 | 142gr | SUS-TAC HPT bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and Vihtavuori N560.
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 2495 | <<locked>> | 82% | 57,885 psi | 89% | 2657 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 55,114 psi | 85% | 2687 fps | 99.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 57,145 psi | 88% | 2785 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 58,247 psi | 90% | 2713 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 55,608 psi | 86% | 2779 fps | 100% |
| Accurate MAGPRO | <<locked>> | 98% | 55,521 psi | 85% | 2877 fps | 97.1% |
| ADI AR 2208 | <<locked>> | 86% | 57,986 psi | 89% | 2749 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 56,478 psi | 87% | 2828 fps | 99% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 57,711 psi | 89% | 2881 fps | 98.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 37,144 psi | 57% | 2549 fps | 96.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 57,725 psi | 89% | 2871 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 55,274 psi | 85% | 2717 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 55,535 psi | 85% | 2740 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 56,318 psi | 87% | 2831 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 57,667 psi | 89% | 2851 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 55,593 psi | 86% | 2815 fps | 98.9% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 56,898 psi | 88% | 2877 fps | 99.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 53,896 psi | 83% | 2799 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 46,572 psi | 72% | 2740 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 98% | 58,059 psi | 89% | 2943 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,257 psi | 80% | 2802 fps | 98.5% |
| Bofors RP3 | <<locked>> | 84% | 56,217 psi | 86% | 2736 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 56,898 psi | 88% | 2877 fps | 99.2% |
| Bofors RP7 | <<locked>> | 88% | 55,506 psi | 85% | 2730 fps | 99.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 46,180 psi | 71% | 2680 fps | 96.7% |
| Hodgdon H380 | <<locked>> | 84% | 56,550 psi | 87% | 2756 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 57,537 psi | 89% | 2828 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 88% | 56,971 psi | 88% | 2789 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 98% | 57,986 psi | 89% | 2825 fps | 97.7% |
| Hodgdon H4831 SC | <<locked>> | 98% | 56,536 psi | 87% | 2805 fps | 97.5% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 56,695 psi | 87% | 2756 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 57,870 psi | 89% | 2785 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 45,687 psi | 70% | 2779 fps | 98.1% |
| Hodgdon Superformance | <<locked>> | 90% | 58,001 psi | 89% | 2871 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,564 psi | 56% | 1693 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 58,421 psi | 90% | 2746 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 57,508 psi | 88% | 2730 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 56,217 psi | 86% | 2717 fps | 99.7% |
| IMR 4350 | <<locked>> | 92% | 56,666 psi | 87% | 2766 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 88% | 57,101 psi | 88% | 2756 fps | 99.7% |
| IMR 4831 | <<locked>> | 92% | 55,825 psi | 86% | 2769 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 56,971 psi | 88% | 2766 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 55,738 psi | 86% | 2756 fps | 97.5% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 55,274 psi | 85% | 2858 fps | 98% |
| Lovex S060 | <<locked>> | 82% | 58,523 psi | 90% | 2707 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 57,798 psi | 89% | 2723 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 57,421 psi | 88% | 2753 fps | 100% |
| Lovex S070 | <<locked>> | 92% | 58,697 psi | 90% | 2792 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 47,718 psi | 73% | 2648 fps | 99.4% |
| Norma 203B | <<locked>> | 84% | 58,610 psi | 90% | 2779 fps | 100% |
| Norma 204 | <<locked>> | 92% | 57,479 psi | 88% | 2818 fps | 99% |
| Norma MRP | <<locked>> | 98% | 56,594 psi | 87% | 2900 fps | 99.8% |
| Norma URP | <<locked>> | 92% | 57,711 psi | 89% | 2812 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 55,608 psi | 86% | 2753 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 55,521 psi | 85% | 2871 fps | 98.4% |
| Ramshot Hunter | <<locked>> | 92% | 56,463 psi | 87% | 2818 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 49,647 psi | 76% | 2749 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,449 psi | 58% | 1736 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 56,304 psi | 87% | 2743 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 57,145 psi | 88% | 2841 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 55,230 psi | 85% | 2802 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 57,667 psi | 89% | 2884 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 45,672 psi | 70% | 2776 fps | 99% |
| Rottweil R 902 | <<locked>> | 82% | 56,217 psi | 86% | 2684 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 56,434 psi | 87% | 2733 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 57,899 psi | 89% | 2795 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 96% | 55,245 psi | 85% | 2805 fps | 99% |
| Rottweil R 907 | <<locked>> | 88% | 55,506 psi | 85% | 2730 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 90% | 57,421 psi | 88% | 2753 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 57,798 psi | 89% | 2723 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 58,697 psi | 90% | 2792 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 58,117 psi | 89% | 2795 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 58,726 psi | 90% | 2762 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 57,232 psi | 88% | 2618 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 56,956 psi | 88% | 2707 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 58,349 psi | 90% | 2851 fps | 99.3% |
| Somchem S355 | <<locked>> | 86% | 56,188 psi | 86% | 2726 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 56,072 psi | 86% | 2736 fps | 97.3% |
| Somchem S365 | <<locked>> | 94% | 57,348 psi | 88% | 2812 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 55,738 psi | 86% | 2779 fps | 99.5% |
| Vihtavuori N135 | <<locked>> | 82% | 56,739 psi | 87% | 2641 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 56,594 psi | 87% | 2654 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 57,392 psi | 88% | 2700 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 56,246 psi | 87% | 2756 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 54,868 psi | 84% | 2753 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 84% | 58,378 psi | 90% | 2700 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 55,230 psi | 85% | 2762 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 56,536 psi | 87% | 2828 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 56,695 psi | 87% | 2894 fps | 97.9% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 48,457 psi | 75% | 2746 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 55,767 psi | 86% | 2723 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 57,899 psi | 89% | 2835 fps | 99.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 49,313 psi | 76% | 2867 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 55,898 psi | 86% | 2776 fps | 98.9% |
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 2495 | <<locked>> | 80% | 54,375 psi | 84% | 2615 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 51,576 psi | 79% | 2635 fps | 98.8% |
| Accurate 3100 | <<locked>> | 82% | 31,212 psi | 48% | 2316 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 51,547 psi | 79% | 2625 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 39,653 psi | 61% | 2513 fps | 99.3% |
| Accurate MAGPRO | <<locked>> | 94% | 48,269 psi | 74% | 2756 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 48,095 psi | 74% | 2602 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 40,799 psi | 63% | 2552 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 92% | 44,309 psi | 68% | 2648 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 98% | 34,983 psi | 54% | 2493 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 53,838 psi | 83% | 2815 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,994 psi | 75% | 2628 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,286 psi | 80% | 2694 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,363 psi | 59% | 2523 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,540 psi | 67% | 2638 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 40,451 psi | 62% | 2546 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 38,043 psi | 59% | 2536 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,311 psi | 44% | 2297 fps | 97.8% |
| Alliant Reloder-25 | <<locked>> | 86% | 30,052 psi | 46% | 2356 fps | 95.2% |
| Alliant Reloder-26 | 45 gr | 80% | 30,153 psi | 46% | 2402 fps | 96.3% |
| Bofors RP15 | <<locked>> | 92% | 40,190 psi | 62% | 2582 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 49,371 psi | 76% | 2638 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 38,043 psi | 59% | 2536 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 43,308 psi | 67% | 2523 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 98% | 43,308 psi | 67% | 2625 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 49,719 psi | 76% | 2654 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 41,510 psi | 64% | 2559 fps | 97.7% |
| Hodgdon H4350 | <<locked>> | 80% | 44,222 psi | 68% | 2572 fps | 97.1% |
| Hodgdon H4831 | <<locked>> | 92% | 47,355 psi | 73% | 2657 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 92% | 46,470 psi | 71% | 2641 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,897 psi | 55% | 2415 fps | 99.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 54,157 psi | 83% | 2733 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 37,797 psi | 58% | 2598 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 40,277 psi | 62% | 2569 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,398 psi | 42% | 1512 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 54,679 psi | 84% | 2697 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,604 psi | 78% | 2631 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 52,953 psi | 81% | 2667 fps | 99.4% |
| IMR 4350 | <<locked>> | 80% | 38,812 psi | 60% | 2451 fps | 96.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,773 psi | 69% | 2552 fps | 98.2% |
| IMR 4831 | <<locked>> | 80% | 37,971 psi | 58% | 2467 fps | 99% |
| IMR 4895 | <<locked>> | 80% | 53,664 psi | 83% | 2720 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 46,079 psi | 71% | 2595 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 94% | 45,150 psi | 69% | 2677 fps | 95.7% |
| Lovex S060 | <<locked>> | 80% | 55,172 psi | 85% | 2661 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 50,966 psi | 78% | 2628 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,366 psi | 65% | 2507 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 40,466 psi | 62% | 2487 fps | 97.6% |
| Lovex S071 | <<locked>> | 86% | 30,589 psi | 47% | 2300 fps | 95% |
| Norma 203B | <<locked>> | 80% | 51,648 psi | 79% | 2680 fps | 100% |
| Norma 204 | <<locked>> | 82% | 41,060 psi | 63% | 2536 fps | 95.7% |
| Norma MRP | 45.9 gr | 84% | 34,940 psi | 54% | 2493 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 39,175 psi | 60% | 2507 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 80% | 52,040 psi | 80% | 2703 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 41,887 psi | 64% | 2625 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 37,956 psi | 58% | 2493 fps | 97.6% |
| Ramshot Magnum | <<locked>> | 92% | 37,231 psi | 57% | 2510 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,021 psi | 43% | 1552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,429 psi | 76% | 2635 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,224 psi | 71% | 2684 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,378 psi | 61% | 2533 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,985 psi | 58% | 2539 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 34,577 psi | 53% | 2513 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 52,953 psi | 81% | 2638 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 46,528 psi | 72% | 2589 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 45,034 psi | 69% | 2582 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 39,697 psi | 61% | 2530 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 43,308 psi | 67% | 2523 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,366 psi | 65% | 2507 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 50,966 psi | 78% | 2628 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,466 psi | 62% | 2487 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 47,616 psi | 73% | 2638 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 55,013 psi | 85% | 2710 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,558 psi | 73% | 2487 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,423 psi | 64% | 2451 fps | 97.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 39,334 psi | 61% | 2526 fps | 95.6% |
| Somchem S355 | <<locked>> | 80% | 46,847 psi | 72% | 2589 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 46,108 psi | 71% | 2575 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 35,665 psi | 55% | 2464 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 35,346 psi | 54% | 2408 fps | 95.1% |
| Vihtavuori N135 | <<locked>> | 80% | 53,301 psi | 82% | 2598 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 53,258 psi | 82% | 2612 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 44,643 psi | 69% | 2516 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,712 psi | 63% | 2507 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 36,970 psi | 57% | 2438 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 51,590 psi | 79% | 2612 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,089 psi | 62% | 2507 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 31,241 psi | 48% | 2362 fps | 97.7% |
| Vihtavuori N560 | 50.2 gr | 92% | 46,151 psi | 71% | 2713 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 98% | 45,455 psi | 70% | 2694 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,479 psi | 61% | 2470 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 41,510 psi | 64% | 2559 fps | 97.7% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,903 psi | 38% | 2274 fps | 96.9% |
| Winchester Supreme 780 | <<locked>> | 88% | 39,479 psi | 61% | 2493 fps | 95.4% |
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 94 powders for 6.5-06 A-Square loaded with the .264 | 142gr | SUS-TAC HPT. Alliant Reloder-26 delivers the highest muzzle velocity at 2,943 fps; across all powders the maximum-charge window runs from 1,693 fps to 2,943 fps. Accurate 3100 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 56–90 %, 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. Accurate 3100, ADI AR 2213, ADI AR 2225 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, Norma MRP, Vihtavuori N560 rank at the top here: for 6.5-06 A-Square 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.