Load Specifications
Bullet Manufacturer:MRR
Bullet Weight:123 gr
Bullet Diameter:0.264"
Bullet Length:<<locked>>
Caliber:6.5-06 A-Square load data
Case Length (l3):2.494"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:65.7 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:9.5
Load data in caliber 6.5-06 A-Square with .264 | 123gr | MRR Green Hunting bullet and 102 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-26 and Alliant Reloder-16.
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 2495 | <<locked>> | 82% | 55,550 psi | 85% | 2841 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 56,753 psi | 87% | 2913 fps | 98.7% |
| Accurate 3100ᴾ | <<locked>> | 100% | 54,694 psi | 84% | 2953 fps | 99.6% |
| Accurate 4064 | <<locked>> | 84% | 55,927 psi | 86% | 2897 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 56,840 psi | 87% | 3009 fps | 100% |
| Accurate High Country | <<locked>> | 98% | 55,970 psi | 86% | 3100 fps | 97.3% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 56,826 psi | 87% | 3094 fps | 96.1% |
| ADI AR 2206H | <<locked>> | 82% | 58,189 psi | 90% | 2976 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 55,811 psi | 86% | 2927 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,856 psi | 89% | 3051 fps | 98.3% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 55,361 psi | 85% | 3041 fps | 96.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,259 psi | 85% | 3051 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 57,914 psi | 89% | 3048 fps | 98.4% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 57,914 psi | 89% | 3048 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,898 psi | 88% | 2956 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 56,927 psi | 88% | 2976 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 57,580 psi | 89% | 3068 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,158 psi | 85% | 3035 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 57,087 psi | 88% | 3038 fps | 98.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 54,317 psi | 84% | 3038 fps | 98% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,401 psi | 79% | 2972 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,672 psi | 69% | 2890 fps | 99% |
| Alliant Reloder-26 | <<locked>> | 98% | 55,201 psi | 85% | 3114 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 58,363 psi | 90% | 2995 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,821 psi | 77% | 2956 fps | 97% |
| Bofors RP3 | <<locked>> | 86% | 57,885 psi | 89% | 2972 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 54,317 psi | 84% | 3038 fps | 98% |
| Bofors RP7 | <<locked>> | 90% | 56,782 psi | 87% | 2953 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 86% | 58,131 psi | 89% | 2989 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 55,259 psi | 85% | 3002 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 90% | 58,494 psi | 90% | 3015 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 98% | 55,463 psi | 85% | 2982 fps | 96.1% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 58,160 psi | 89% | 3025 fps | 96.7% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 57,827 psi | 89% | 2982 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,521 psi | 85% | 2966 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 55,608 psi | 86% | 3038 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,419 psi | 56% | 1844 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,115 psi | 86% | 2930 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 58,784 psi | 90% | 2963 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 58,030 psi | 89% | 2949 fps | 99.4% |
| IMR 4350 | <<locked>> | 94% | 57,856 psi | 89% | 2986 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 58,639 psi | 90% | 2982 fps | 99.4% |
| IMR 4831 | <<locked>> | 94% | 57,203 psi | 88% | 2999 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 58,378 psi | 90% | 3002 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,174 psi | 88% | 2976 fps | 96.7% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 52,678 psi | 81% | 3009 fps | 96.3% |
| Lovex S060 | <<locked>> | 82% | 56,637 psi | 87% | 2894 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,477 psi | 85% | 2904 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 58,784 psi | 90% | 2979 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 56,449 psi | 87% | 2966 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,281 psi | 70% | 2795 fps | 98.3% |
| Norma 201 | <<locked>> | 82% | 56,884 psi | 88% | 2917 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,435 psi | 88% | 2910 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,217 psi | 86% | 2963 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,230 psi | 85% | 2986 fps | 97.8% |
| Norma MRPᴾ | <<locked>> | 100% | 57,769 psi | 89% | 3123 fps | 99.4% |
| Norma URP | <<locked>> | 92% | 55,216 psi | 85% | 2989 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 57,203 psi | 88% | 2989 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,055 psi | 82% | 3025 fps | 96.7% |
| Ramshot Hunter | <<locked>> | 94% | 57,725 psi | 89% | 3045 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,442 psi | 73% | 2894 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,188 psi | 57% | 1886 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 58,044 psi | 89% | 2972 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 58,204 psi | 90% | 3048 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 58,610 psi | 90% | 3081 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,797 psi | 87% | 3031 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,230 psi | 85% | 3058 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,787 psi | 67% | 2910 fps | 97.2% |
| Rottweil R 902 | <<locked>> | 84% | 57,493 psi | 88% | 2917 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 57,740 psi | 89% | 2966 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,796 psi | 86% | 2963 fps | 97% |
| Rottweil R 905 | <<locked>> | 98% | 56,434 psi | 87% | 3025 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 90% | 56,782 psi | 87% | 2953 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 92% | 58,784 psi | 90% | 2979 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 55,477 psi | 85% | 2904 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,449 psi | 87% | 2966 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 55,666 psi | 86% | 2972 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,666 psi | 87% | 2946 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,595 psi | 89% | 2844 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 58,697 psi | 90% | 2844 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 58,566 psi | 90% | 2930 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,941 psi | 86% | 3018 fps | 98.2% |
| Somchem S335 | <<locked>> | 82% | 57,290 psi | 88% | 2841 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,667 psi | 89% | 2963 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 57,783 psi | 89% | 2956 fps | 96.5% |
| Somchem S365 | <<locked>> | 96% | 58,697 psi | 90% | 3048 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 57,087 psi | 88% | 2999 fps | 99% |
| Vihtavuori N133 | <<locked>> | 82% | 58,102 psi | 89% | 2825 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 58,117 psi | 89% | 2874 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 58,218 psi | 90% | 2890 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,361 psi | 85% | 2884 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,566 psi | 89% | 2986 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 52,663 psi | 81% | 2913 fps | 98% |
| Vihtavuori N540 | <<locked>> | 84% | 56,275 psi | 87% | 2884 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,550 psi | 87% | 2989 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,464 psi | 88% | 3051 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 57,986 psi | 89% | 3114 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 57,203 psi | 88% | 2949 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 55,550 psi | 85% | 3005 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,383 psi | 71% | 3028 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 56,913 psi | 88% | 2956 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 57,363 psi | 88% | 2995 fps | 98.2% |
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% | 52,040 psi | 80% | 2792 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,632 psi | 76% | 2795 fps | 97.6% |
| Accurate 3100 | <<locked>> | 88% | 36,390 psi | 56% | 2608 fps | 95.9% |
| Accurate 4064 | <<locked>> | 80% | 49,327 psi | 76% | 2799 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,695 psi | 58% | 2657 fps | 98% |
| Accurate High Country | <<locked>> | 94% | 48,486 psi | 75% | 2966 fps | 95.6% |
| Accurate MAGPRO | <<locked>> | 98% | 52,852 psi | 81% | 3028 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 54,752 psi | 84% | 2923 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 46,543 psi | 72% | 2772 fps | 99.7% |
| ADI AR 2209 | <<locked>> | 90% | 44,411 psi | 68% | 2808 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 98% | 51,895 psi | 80% | 2979 fps | 95.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,430 psi | 79% | 2989 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 44,614 psi | 69% | 2812 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 44,614 psi | 69% | 2812 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,876 psi | 72% | 2795 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,227 psi | 77% | 2867 fps | 100% |
| Alliant Reloder-16 | 43.7 gr | 80% | 36,608 psi | 56% | 2664 fps | 98% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,626 psi | 64% | 2795 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 44,092 psi | 68% | 2802 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 44,382 psi | 68% | 2851 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,890 psi | 41% | 2408 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 92% | 34,534 psi | 53% | 2644 fps | 95.7% |
| Alliant Reloder-26 | 50.7 gr | 84% | 33,112 psi | 51% | 2651 fps | 96% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 54,607 psi | 84% | 2940 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 43,758 psi | 67% | 2838 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 47,485 psi | 73% | 2808 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 44,382 psi | 68% | 2851 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 41,539 psi | 64% | 2671 fps | 95.8% |
| Hodgdon H380 | <<locked>> | 80% | 47,543 psi | 73% | 2815 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 39,465 psi | 61% | 2700 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 80% | 42,583 psi | 66% | 2726 fps | 95.3% |
| Hodgdon H4831 | <<locked>> | 96% | 51,938 psi | 80% | 2927 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 96% | 50,720 psi | 78% | 2904 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,156 psi | 53% | 2556 fps | 98.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 52,112 psi | 80% | 2913 fps | 100% |
| Hodgdon Superformance | <<locked>> | 80% | 38,624 psi | 59% | 2710 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,166 psi | 42% | 1647 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,736 psi | 81% | 2877 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,965 psi | 75% | 2805 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,068 psi | 79% | 2835 fps | 98.5% |
| IMR 4350 | <<locked>> | 82% | 39,653 psi | 61% | 2651 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,931 psi | 66% | 2703 fps | 96.7% |
| IMR 4831 | <<locked>> | 80% | 36,201 psi | 56% | 2608 fps | 97.6% |
| IMR 4895 | <<locked>> | 80% | 51,532 psi | 79% | 2897 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,256 psi | 77% | 2858 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 98% | 49,313 psi | 76% | 2946 fps | 95.4% |
| Lovex S060 | <<locked>> | 80% | 53,577 psi | 82% | 2848 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,240 psi | 76% | 2805 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,611 psi | 62% | 2654 fps | 97.5% |
| Lovex S070 | <<locked>> | 80% | 38,870 psi | 60% | 2631 fps | 95.8% |
| Lovex S071 | <<locked>> | 92% | 35,085 psi | 54% | 2579 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 53,432 psi | 82% | 2864 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,954 psi | 83% | 2858 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,588 psi | 76% | 2854 fps | 100% |
| Norma 204 | <<locked>> | 86% | 45,005 psi | 69% | 2799 fps | 95.4% |
| Norma MRP | <<locked>> | 88% | 38,058 psi | 59% | 2743 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 37,420 psi | 58% | 2651 fps | 97.8% |
| Ramshot Big Game | <<locked>> | 80% | 49,893 psi | 77% | 2874 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 49,516 psi | 76% | 2959 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 36,187 psi | 56% | 2631 fps | 95.6% |
| Ramshot Magnum | <<locked>> | 96% | 40,901 psi | 63% | 2759 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,688 psi | 43% | 1686 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,718 psi | 73% | 2799 fps | 98.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 54,201 psi | 83% | 2986 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,222 psi | 68% | 2854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,333 psi | 57% | 2671 fps | 97.6% |
| ReloadSwiss RS 70 | 47.8 gr | 80% | 36,303 psi | 56% | 2677 fps | 96.8% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 40,799 psi | 63% | 2841 fps | 96.1% |
| Rottweil R 902 | <<locked>> | 80% | 51,010 psi | 78% | 2818 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,614 psi | 69% | 2753 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 49,153 psi | 76% | 2848 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 90% | 43,120 psi | 66% | 2782 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 41,539 psi | 64% | 2671 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,611 psi | 62% | 2654 fps | 97.5% |
| Shooters World Precision | <<locked>> | 80% | 49,240 psi | 76% | 2805 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,870 psi | 60% | 2631 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,600 psi | 70% | 2802 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,026 psi | 82% | 2890 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,012 psi | 83% | 2795 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,701 psi | 70% | 2657 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,755 psi | 61% | 2598 fps | 96% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 42,728 psi | 66% | 2779 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 53,940 psi | 83% | 2792 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 44,860 psi | 69% | 2749 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 54,085 psi | 83% | 2897 fps | 95.8% |
| Somchem S365 | <<locked>> | 80% | 33,823 psi | 52% | 2605 fps | 99.4% |
| Somchem S385 | <<locked>> | 88% | 41,060 psi | 63% | 2710 fps | 95.6% |
| Vihtavuori N133 | <<locked>> | 80% | 54,578 psi | 84% | 2776 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 51,082 psi | 79% | 2779 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,401 psi | 79% | 2795 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 42,888 psi | 66% | 2680 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,856 psi | 60% | 2651 fps | 98.1% |
| Vihtavuori N165 | <<locked>> | 94% | 43,062 psi | 66% | 2740 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 49,472 psi | 76% | 2782 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,174 psi | 59% | 2648 fps | 97.7% |
| Vihtavuori N555 | <<locked>> | 80% | 29,602 psi | 46% | 2487 fps | 95.6% |
| Vihtavuori N560 | <<locked>> | 96% | 50,676 psi | 78% | 2986 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,971 psi | 58% | 2618 fps | 99.5% |
| Winchester 760 | <<locked>> | 80% | 39,682 psi | 61% | 2707 fps | 95.9% |
| Winchester StaBALL HD | <<locked>> | 84% | 27,151 psi | 42% | 2503 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 53,214 psi | 82% | 2897 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 43,337 psi | 67% | 2749 fps | 95.1% |
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 102 powders for 6.5-06 A-Square loaded with the .264 | 123gr | MRR Green Hunting. Norma MRP delivers the highest muzzle velocity at 3,123 fps; across all powders the maximum-charge window runs from 1,844 fps to 3,123 fps. Accurate 3100 gives the best case fill at 100 %, and 102 of the 102 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 123.0 gr projectile in 0.264" calls for a 1:9.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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-26, Alliant Reloder-16 rank at the top here: for 6.5-06 A-Square with the .264 | 123gr | MRR Green Hunting 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.