
Load Specifications
Load data in caliber 6.5-06 A-Square with .264 | 115gr | Barnes TAC-TX BT bullet and 106 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-16 and Hodgdon Superformance.
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 2015 | <<locked>> | 82% | 58,349 psi | 90% | 2946 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 57,595 psi | 89% | 2969 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 56,463 psi | 87% | 2992 fps | 98.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 49,356 psi | 76% | 2953 fps | 98.4% |
| Accurate 4064 | <<locked>> | 88% | 57,957 psi | 89% | 3025 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 55,201 psi | 85% | 3077 fps | 99.9% |
| Accurate High Countryᴾ | <<locked>> | 100% | 54,302 psi | 84% | 3159 fps | 96.1% |
| ADI AR 2206H | <<locked>> | 84% | 57,870 psi | 89% | 3064 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 55,288 psi | 85% | 3012 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 57,014 psi | 88% | 3123 fps | 97.5% |
| ADI Benchmark 8208 | <<locked>> | 82% | 56,260 psi | 87% | 3005 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 58,291 psi | 90% | 2979 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 58,581 psi | 90% | 3202 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 56,884 psi | 88% | 3117 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,956 psi | 86% | 3038 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 56,333 psi | 87% | 3061 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 56,173 psi | 86% | 3140 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 57,870 psi | 89% | 3173 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 56,028 psi | 86% | 3107 fps | 97.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 49,429 psi | 76% | 3035 fps | 96.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 46,543 psi | 72% | 2982 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,640 psi | 63% | 2877 fps | 97.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 53,200 psi | 82% | 3173 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 57,928 psi | 89% | 3084 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 56,594 psi | 87% | 3051 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 49,429 psi | 76% | 3035 fps | 96.2% |
| Bofors RP7 | <<locked>> | 92% | 56,449 psi | 87% | 3035 fps | 98.3% |
| Hodgdon Benchmark | <<locked>> | 82% | 57,899 psi | 89% | 2989 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 56,275 psi | 87% | 3035 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 57,537 psi | 89% | 3071 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 94% | 58,059 psi | 89% | 3136 fps | 99% |
| Hodgdon H4350 | <<locked>> | 92% | 58,044 psi | 89% | 3097 fps | 98% |
| Hodgdon H4895 | <<locked>> | 84% | 58,508 psi | 90% | 3077 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 56,623 psi | 87% | 3061 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 58,784 psi | 90% | 3114 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 58,798 psi | 90% | 3179 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,056 psi | 55% | 1896 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,927 psi | 86% | 3022 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 55,187 psi | 85% | 2999 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 58,247 psi | 90% | 3048 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 57,711 psi | 89% | 3031 fps | 98.8% |
| IMR 4350 | <<locked>> | 96% | 57,087 psi | 88% | 3061 fps | 98.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 58,204 psi | 90% | 3064 fps | 98.9% |
| IMR 4831 | <<locked>> | 96% | 55,854 psi | 86% | 3071 fps | 99.9% |
| IMR 4895 | <<locked>> | 86% | 57,827 psi | 89% | 3091 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 56,260 psi | 87% | 3005 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 58,131 psi | 89% | 3035 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 56,681 psi | 87% | 2986 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 58,494 psi | 90% | 3045 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 57,928 psi | 89% | 3054 fps | 99.6% |
| Lovex S070 | <<locked>> | 94% | 55,724 psi | 86% | 3041 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 40,509 psi | 62% | 2785 fps | 96.4% |
| Norma 201 | <<locked>> | 84% | 56,043 psi | 86% | 3002 fps | 100% |
| Norma 202 | <<locked>> | 84% | 57,029 psi | 88% | 3002 fps | 100% |
| Norma 203B | <<locked>> | 86% | 55,593 psi | 86% | 3045 fps | 100% |
| Norma 204 | <<locked>> | 96% | 58,407 psi | 90% | 3120 fps | 97.6% |
| Norma MRPᴾ | <<locked>> | 100% | 52,460 psi | 81% | 3127 fps | 98.2% |
| Norma URP | <<locked>> | 96% | 58,059 psi | 89% | 3123 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 56,521 psi | 87% | 3074 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 56,884 psi | 88% | 3120 fps | 99.4% |
| Ramshot TAC | <<locked>> | 82% | 56,608 psi | 87% | 3031 fps | 99.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 56,782 psi | 87% | 3051 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,463 psi | 56% | 1936 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 57,609 psi | 89% | 3054 fps | 99.2% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 57,363 psi | 88% | 3133 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 57,276 psi | 88% | 3166 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 55,216 psi | 85% | 3100 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 58,102 psi | 89% | 3196 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 82% | 56,884 psi | 88% | 2979 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 56,971 psi | 88% | 3005 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 56,826 psi | 87% | 3048 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 58,755 psi | 90% | 3091 fps | 96.7% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 54,868 psi | 84% | 3084 fps | 97.4% |
| Rottweil R 907 | <<locked>> | 92% | 56,449 psi | 87% | 3035 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 94% | 57,928 psi | 89% | 3054 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 84% | 58,131 psi | 89% | 3035 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 58,494 psi | 90% | 3045 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 55,724 psi | 86% | 3041 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 58,581 psi | 90% | 3110 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 55,390 psi | 85% | 3009 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 56,304 psi | 87% | 3035 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 57,276 psi | 88% | 2933 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 58,320 psi | 90% | 2936 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 57,841 psi | 89% | 3005 fps | 98.9% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 54,375 psi | 84% | 3081 fps | 97.3% |
| Somchem S335 | <<locked>> | 84% | 56,724 psi | 87% | 2927 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 55,027 psi | 85% | 2995 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 56,666 psi | 87% | 3041 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 57,101 psi | 88% | 3123 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 55,738 psi | 86% | 3064 fps | 98.2% |
| Vihtavuori N133 | <<locked>> | 84% | 57,783 psi | 89% | 2917 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 57,217 psi | 88% | 2963 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 57,885 psi | 89% | 2982 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 58,494 psi | 90% | 3022 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 56,492 psi | 87% | 3061 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,037 psi | 74% | 2917 fps | 96.3% |
| Vihtavuori N530 | <<locked>> | 82% | 56,768 psi | 87% | 3005 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 55,825 psi | 86% | 2972 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 55,695 psi | 86% | 3068 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 51,938 psi | 80% | 3061 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 56,565 psi | 87% | 3031 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 57,682 psi | 89% | 3061 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 58,059 psi | 89% | 3136 fps | 99% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,771 psi | 64% | 3015 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 56,376 psi | 87% | 3041 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 52,199 psi | 80% | 2995 fps | 96.5% |
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 2015 | <<locked>> | 80% | 54,636 psi | 84% | 2897 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 47,355 psi | 73% | 2822 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 46,151 psi | 71% | 2812 fps | 96% |
| Accurate 3100 | <<locked>> | 92% | 37,057 psi | 57% | 2707 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 44,831 psi | 69% | 2822 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,518 psi | 52% | 2641 fps | 95.7% |
| Accurate High Country | <<locked>> | 98% | 50,357 psi | 77% | 3091 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 50,647 psi | 78% | 2949 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 43,033 psi | 66% | 2789 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 96% | 49,617 psi | 76% | 2995 fps | 95.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,823 psi | 81% | 2953 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 54,462 psi | 84% | 2927 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 47,079 psi | 72% | 3002 fps | 99.5% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 46,441 psi | 71% | 2930 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,163 psi | 66% | 2815 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,195 psi | 71% | 2887 fps | 99.4% |
| Alliant Reloder-16 | 43.4 gr | 80% | 33,489 psi | 52% | 2661 fps | 95.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 37,724 psi | 58% | 2795 fps | 98.9% |
| Alliant Reloder-19 | <<locked>> | 94% | 45,861 psi | 71% | 2920 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 98% | 45,963 psi | 71% | 2966 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 86% | 29,240 psi | 45% | 2559 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 98% | 38,087 psi | 59% | 2815 fps | 96.2% |
| Alliant Reloder-26 | <<locked>> | 88% | 34,127 psi | 53% | 2756 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,517 psi | 78% | 2963 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 43,120 psi | 66% | 2822 fps | 99.8% |
| Bofors RP5 | <<locked>> | 98% | 45,963 psi | 71% | 2966 fps | 95.2% |
| Bofors RP7 | <<locked>> | 84% | 43,627 psi | 67% | 2799 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 54,389 psi | 84% | 2936 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,489 psi | 81% | 2979 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,772 psi | 67% | 2828 fps | 98.2% |
| Hodgdon H414 | <<locked>> | 84% | 41,321 psi | 64% | 2825 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 84% | 44,701 psi | 69% | 2854 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 51,227 psi | 79% | 2959 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,864 psi | 47% | 2552 fps | 96.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,790 psi | 74% | 2936 fps | 100% |
| Hodgdon Superformance | 53.1 gr | 86% | 43,729 psi | 67% | 2907 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,745 psi | 41% | 1693 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,211 psi | 76% | 2910 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 51,590 psi | 79% | 2943 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,237 psi | 70% | 2828 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,776 psi | 74% | 2858 fps | 97.2% |
| IMR 4350 | <<locked>> | 88% | 44,295 psi | 68% | 2828 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 42,511 psi | 65% | 2776 fps | 95.7% |
| IMR 4831 | <<locked>> | 80% | 32,474 psi | 50% | 2598 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 47,384 psi | 73% | 2917 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 80% | 52,823 psi | 81% | 2953 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,676 psi | 78% | 2927 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,980 psi | 77% | 2877 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 45,252 psi | 70% | 2825 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 37,275 psi | 57% | 2661 fps | 95.6% |
| Lovex S070 | <<locked>> | 84% | 40,451 psi | 62% | 2749 fps | 95.4% |
| Lovex S071 | <<locked>> | 98% | 38,029 psi | 59% | 2730 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 49,588 psi | 76% | 2894 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,154 psi | 77% | 2897 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,527 psi | 70% | 2871 fps | 99.6% |
| Norma 204 | <<locked>> | 90% | 47,282 psi | 73% | 2927 fps | 95.1% |
| Norma MRP | <<locked>> | 94% | 42,322 psi | 65% | 2923 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 33,750 psi | 52% | 2644 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 45,730 psi | 70% | 2890 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 84% | 37,782 psi | 58% | 2749 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 52,924 psi | 81% | 2969 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 80% | 53,026 psi | 82% | 2992 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,180 psi | 42% | 1736 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,961 psi | 68% | 2812 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,850 psi | 77% | 3009 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 40,176 psi | 62% | 2864 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 33,547 psi | 52% | 2661 fps | 95.3% |
| ReloadSwiss RS 70 | 48.6 gr | 82% | 35,375 psi | 54% | 2726 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 53,374 psi | 82% | 2927 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,963 psi | 72% | 2841 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,422 psi | 62% | 2759 fps | 99.3% |
| Rottweil R 904 | <<locked>> | 96% | 51,532 psi | 79% | 2972 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 96% | 47,848 psi | 74% | 2963 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 84% | 43,627 psi | 67% | 2799 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 37,275 psi | 57% | 2661 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,676 psi | 78% | 2927 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 45,252 psi | 70% | 2825 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 40,451 psi | 62% | 2749 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,916 psi | 64% | 2822 fps | 99.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,677 psi | 80% | 2949 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,356 psi | 76% | 2920 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,531 psi | 78% | 2835 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,467 psi | 65% | 2690 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 41,742 psi | 64% | 2720 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 47,413 psi | 73% | 2956 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 50,343 psi | 77% | 2835 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,358 psi | 79% | 2940 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 41,205 psi | 63% | 2766 fps | 99.3% |
| Somchem S365 | <<locked>> | 80% | 30,327 psi | 47% | 2592 fps | 97.9% |
| Somchem S385 | <<locked>> | 92% | 42,554 psi | 65% | 2822 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 51,082 psi | 79% | 2822 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 47,094 psi | 72% | 2815 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,471 psi | 73% | 2825 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 39,146 psi | 60% | 2694 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 80% | 35,172 psi | 54% | 2648 fps | 96.2% |
| Vihtavuori N165 | <<locked>> | 98% | 44,904 psi | 69% | 2858 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 53,200 psi | 82% | 2949 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,919 psi | 71% | 2815 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,722 psi | 53% | 2648 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 86% | 32,082 psi | 49% | 2641 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,664 psi | 53% | 2621 fps | 98.3% |
| Winchester 748 | <<locked>> | 80% | 53,737 psi | 83% | 3002 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 41,321 psi | 64% | 2825 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 88% | 27,630 psi | 43% | 2582 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,327 psi | 76% | 2927 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 48,704 psi | 75% | 2933 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 106 powders for 6.5-06 A-Square loaded with the .264 | 115gr | Barnes TAC-TX BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,202 fps; across all powders the maximum-charge window runs from 1,896 fps to 3,202 fps. Accurate 3100 gives the best case fill at 100 %, and 106 of the 106 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 115.0 gr projectile in 0.264" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, ADI AR 2209 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. ReloadSwiss RS 70, Alliant Reloder-16, Hodgdon Superformance rank at the top here: for 6.5-06 A-Square with the .264 | 115gr | Barnes TAC-TX BT 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.