
Load Specifications
Load data in caliber 6.5-06 A-Square with .264 | 110gr | CutEdge ER Raptor bullet and 99 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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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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% | 55,317 psi | 85% | 2963 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 58,218 psi | 90% | 3038 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,275 psi | 87% | 3058 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 57,130 psi | 88% | 3051 fps | 97.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 45,803 psi | 70% | 2940 fps | 97.2% |
| Accurate 4064 | <<locked>> | 90% | 58,523 psi | 90% | 3094 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 55,448 psi | 85% | 3136 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 58,639 psi | 90% | 3133 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 56,130 psi | 86% | 3077 fps | 99.9% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 53,635 psi | 83% | 3114 fps | 96.1% |
| ADI Benchmark 8208 | <<locked>> | 84% | 57,392 psi | 88% | 3077 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 54,911 psi | 84% | 2995 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 55,042 psi | 85% | 3202 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 56,289 psi | 87% | 3100 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 57,029 psi | 88% | 3127 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 56,550 psi | 87% | 3202 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 94% | 58,146 psi | 89% | 3235 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,634 psi | 81% | 3097 fps | 96.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,308 psi | 67% | 2969 fps | 99.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,414 psi | 76% | 3163 fps | 99.2% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 58,711 psi | 90% | 3150 fps | 99.9% |
| Bofors RP3 | <<locked>> | 90% | 57,276 psi | 88% | 3117 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 57,058 psi | 88% | 3094 fps | 97.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 58,798 psi | 90% | 3058 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 57,290 psi | 88% | 3110 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 58,030 psi | 89% | 3133 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 96% | 58,494 psi | 90% | 3196 fps | 98.6% |
| Hodgdon H4350 | <<locked>> | 94% | 58,595 psi | 90% | 3156 fps | 97.5% |
| Hodgdon H4895 | <<locked>> | 84% | 55,564 psi | 85% | 3087 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 56,623 psi | 87% | 3120 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 55,332 psi | 85% | 3120 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 55,158 psi | 85% | 3173 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,795 psi | 55% | 1926 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 56,753 psi | 87% | 3087 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 55,695 psi | 86% | 3068 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 55,405 psi | 85% | 3061 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 88% | 58,784 psi | 90% | 3097 fps | 98.5% |
| IMR 4350 | <<locked>> | 98% | 57,711 psi | 89% | 3120 fps | 98% |
| IMR 4451 Enduron | <<locked>> | 92% | 55,274 psi | 85% | 3064 fps | 98% |
| IMR 4831 | <<locked>> | 98% | 56,217 psi | 86% | 3130 fps | 99.8% |
| IMR 4895 | <<locked>> | 88% | 58,537 psi | 90% | 3159 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 57,392 psi | 88% | 3077 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 58,784 psi | 90% | 3104 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 57,638 psi | 89% | 3054 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 55,245 psi | 85% | 3051 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 58,508 psi | 90% | 3117 fps | 99.4% |
| Lovex S070 | <<locked>> | 96% | 55,898 psi | 86% | 3097 fps | 98.4% |
| Norma 201 | <<locked>> | 86% | 56,797 psi | 87% | 3068 fps | 100% |
| Norma 202 | <<locked>> | 86% | 57,783 psi | 89% | 3071 fps | 100% |
| Norma 203B | <<locked>> | 88% | 56,246 psi | 87% | 3114 fps | 100% |
| Norma 204 | <<locked>> | 98% | 58,755 psi | 90% | 3176 fps | 97% |
| Norma MRPᴾ | <<locked>> | 100% | 48,936 psi | 75% | 3110 fps | 96.9% |
| Norma URP | <<locked>> | 98% | 58,102 psi | 89% | 3179 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 88% | 57,203 psi | 88% | 3140 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 56,942 psi | 88% | 3176 fps | 99% |
| Ramshot TAC | <<locked>> | 84% | 57,827 psi | 89% | 3104 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 84% | 57,566 psi | 89% | 3117 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 58,117 psi | 89% | 3077 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,143 psi | 56% | 1965 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 58,204 psi | 90% | 3114 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 57,885 psi | 89% | 3199 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 57,870 psi | 89% | 3235 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 55,405 psi | 85% | 3159 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 58,726 psi | 90% | 3258 fps | 99.8% |
| Rottweil R 901 | <<locked>> | 84% | 57,580 psi | 89% | 3048 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 57,406 psi | 88% | 3068 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 57,145 psi | 88% | 3110 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,547 psi | 79% | 3077 fps | 96% |
| Rottweil R 907 | <<locked>> | 94% | 57,058 psi | 88% | 3094 fps | 97.9% |
| Shooters World Long Rifle | <<locked>> | 96% | 58,508 psi | 90% | 3117 fps | 99.4% |
| Shooters World Match Rifle | <<locked>> | 86% | 58,784 psi | 90% | 3104 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 55,245 psi | 85% | 3051 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 55,898 psi | 86% | 3097 fps | 98.4% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 55,245 psi | 85% | 3117 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 56,217 psi | 86% | 3074 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 57,058 psi | 88% | 3100 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 58,262 psi | 90% | 3005 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 55,535 psi | 85% | 2953 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 58,726 psi | 90% | 3068 fps | 98.5% |
| Somchem S335 | <<locked>> | 86% | 57,566 psi | 89% | 2999 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 56,115 psi | 86% | 3068 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 57,072 psi | 88% | 3104 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 56,811 psi | 87% | 3182 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,257 psi | 80% | 3058 fps | 97% |
| Vihtavuori N130 | <<locked>> | 82% | 57,943 psi | 89% | 2963 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 58,653 psi | 90% | 2986 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 57,493 psi | 88% | 3025 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 58,334 psi | 90% | 3045 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 55,245 psi | 85% | 3031 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 56,869 psi | 87% | 3120 fps | 99.8% |
| Vihtavuori N530 | <<locked>> | 84% | 57,972 psi | 89% | 3077 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 56,623 psi | 87% | 3041 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 55,767 psi | 86% | 3123 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 48,109 psi | 74% | 3051 fps | 99.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 57,217 psi | 88% | 3094 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 58,320 psi | 90% | 3130 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 58,494 psi | 90% | 3196 fps | 98.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,928 psi | 60% | 2989 fps | 99.7% |
| Winchester StaBALL Match | <<locked>> | 86% | 57,130 psi | 88% | 3110 fps | 100% |
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% | 52,040 psi | 80% | 2913 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 44,396 psi | 68% | 2828 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,649 psi | 81% | 3005 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 46,731 psi | 72% | 2867 fps | 95.4% |
| Accurate 3100 | <<locked>> | 96% | 39,668 psi | 61% | 2812 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 42,018 psi | 65% | 2825 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 33,678 psi | 52% | 2694 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 48,269 psi | 74% | 2959 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 40,930 psi | 63% | 2795 fps | 98% |
| ADI AR 2209 | <<locked>> | 98% | 50,111 psi | 77% | 3048 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 50,415 psi | 78% | 2969 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 51,488 psi | 79% | 2946 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,338 psi | 68% | 2999 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,886 psi | 63% | 2818 fps | 99.2% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,816 psi | 67% | 2887 fps | 98.7% |
| Alliant Reloder-16 | <<locked>> | 82% | 33,692 psi | 52% | 2710 fps | 95.2% |
| Alliant Reloder-17 | 45.7 gr | 80% | 35,404 psi | 54% | 2785 fps | 97.7% |
| Alliant Reloder-19 | <<locked>> | 98% | 49,269 psi | 76% | 3035 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 90% | 31,328 psi | 48% | 2667 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 92% | 36,651 psi | 56% | 2871 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,834 psi | 74% | 2966 fps | 99% |
| Bofors RP3 | <<locked>> | 80% | 40,712 psi | 63% | 2825 fps | 99.2% |
| Bofors RP7 | <<locked>> | 88% | 47,137 psi | 73% | 2913 fps | 95.8% |
| Hodgdon Benchmark | <<locked>> | 80% | 51,793 psi | 80% | 2949 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,661 psi | 76% | 2989 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 41,263 psi | 63% | 2825 fps | 97.1% |
| Hodgdon H414 | <<locked>> | 88% | 44,469 psi | 68% | 2943 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 88% | 48,225 psi | 74% | 2972 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 48,747 psi | 75% | 2972 fps | 99.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,008 psi | 45% | 2543 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,020 psi | 69% | 2940 fps | 99.7% |
| Hodgdon Superformance | 53.2 gr | 88% | 44,222 psi | 68% | 2963 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,556 psi | 41% | 1719 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,615 psi | 72% | 2917 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 48,776 psi | 75% | 2959 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,975 psi | 66% | 2831 fps | 98.6% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,426 psi | 70% | 2858 fps | 95.9% |
| IMR 4350 | <<locked>> | 90% | 44,759 psi | 69% | 2887 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 84% | 43,004 psi | 66% | 2831 fps | 95.1% |
| IMR 4831 | <<locked>> | 84% | 35,041 psi | 54% | 2713 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 44,933 psi | 69% | 2923 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 80% | 50,415 psi | 78% | 2969 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 47,747 psi | 73% | 2933 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,819 psi | 74% | 2890 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 42,902 psi | 66% | 2831 fps | 99.6% |
| Lovex S065 | <<locked>> | 82% | 37,536 psi | 58% | 2713 fps | 95% |
| Lovex S070 | <<locked>> | 88% | 43,279 psi | 67% | 2861 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 46,905 psi | 72% | 2900 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 47,688 psi | 73% | 2913 fps | 100% |
| Norma 203B | <<locked>> | 80% | 43,192 psi | 66% | 2877 fps | 99% |
| Norma 204 | <<locked>> | 94% | 51,227 psi | 79% | 3048 fps | 95.4% |
| Norma MRP | <<locked>> | 98% | 45,455 psi | 70% | 3038 fps | 95.9% |
| Norma URP | <<locked>> | 82% | 33,968 psi | 52% | 2700 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 80% | 43,076 psi | 66% | 2890 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 88% | 40,567 psi | 62% | 2864 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 50,430 psi | 78% | 2976 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,314 psi | 77% | 2999 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 54,259 psi | 83% | 3018 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,948 psi | 41% | 1762 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 41,626 psi | 64% | 2808 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,789 psi | 72% | 3009 fps | 99.1% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 37,710 psi | 58% | 2858 fps | 99.8% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 36,129 psi | 56% | 2779 fps | 95.7% |
| ReloadSwiss RS 70 | 49.9 gr | 86% | 38,290 psi | 59% | 2848 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 50,894 psi | 78% | 2943 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 44,643 psi | 69% | 2851 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 38,087 psi | 59% | 2759 fps | 98.5% |
| Rottweil R 905 | <<locked>> | 98% | 48,066 psi | 74% | 3015 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 88% | 47,137 psi | 73% | 2913 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 82% | 37,536 psi | 58% | 2713 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 47,747 psi | 73% | 2933 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,902 psi | 66% | 2831 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 88% | 43,279 psi | 67% | 2861 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,378 psi | 61% | 2815 fps | 98.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,950 psi | 75% | 2953 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,760 psi | 72% | 2923 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 48,240 psi | 74% | 2851 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 40,335 psi | 62% | 2703 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 42,264 psi | 65% | 2776 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 47,776 psi | 74% | 2848 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,675 psi | 75% | 2946 fps | 99.6% |
| Somchem S355 | <<locked>> | 80% | 38,754 psi | 60% | 2766 fps | 98.5% |
| Somchem S365 | <<locked>> | 80% | 28,384 psi | 44% | 2582 fps | 96.4% |
| Somchem S385 | <<locked>> | 96% | 45,629 psi | 70% | 2933 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 54,288 psi | 84% | 2910 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 48,704 psi | 75% | 2841 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,541 psi | 69% | 2828 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,107 psi | 69% | 2841 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,985 psi | 57% | 2697 fps | 99.1% |
| Vihtavuori N160 | <<locked>> | 82% | 35,491 psi | 55% | 2707 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 50,749 psi | 78% | 2966 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 43,424 psi | 67% | 2825 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 34,998 psi | 54% | 2703 fps | 95.2% |
| Vihtavuori N555 | <<locked>> | 88% | 31,865 psi | 49% | 2687 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,764 psi | 50% | 2618 fps | 97.1% |
| Winchester 748 | <<locked>> | 80% | 50,778 psi | 78% | 3012 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 44,730 psi | 69% | 2949 fps | 95.9% |
| Winchester StaBALL HD | <<locked>> | 92% | 29,617 psi | 46% | 2694 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 46,630 psi | 72% | 2933 fps | 99.7% |
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 99 powders for 6.5-06 A-Square loaded with the .264 | 110gr | CutEdge ER Raptor. ReloadSwiss RS 70 delivers the highest muzzle velocity at 3,258 fps; across all powders the maximum-charge window runs from 1,926 fps to 3,258 fps. Accurate 3100 gives the best case fill at 100 %, and 99 of the 99 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 110.0 gr projectile in 0.264" calls for a 1:7.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 6.5-06 A-Square with the .264 | 110gr | CutEdge ER Raptor 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.