
Load Specifications
Load data in caliber 6.5 PRC with .264 | 123gr | Warner Tool Co. Flat Line bullet and 100 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 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.
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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% | 55,883 psi | 86% | 2858 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 57,116 psi | 88% | 2933 fps | 98.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,216 psi | 85% | 2976 fps | 99.7% |
| Accurate 4064 | <<locked>> | 84% | 56,289 psi | 87% | 2913 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 57,261 psi | 88% | 3028 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 57,392 psi | 88% | 3123 fps | 96.6% |
| ADI AR 2206H | <<locked>> | 82% | 58,523 psi | 90% | 2995 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 56,130 psi | 86% | 2946 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,957 psi | 89% | 3071 fps | 98.6% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 55,825 psi | 86% | 3068 fps | 97.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,637 psi | 86% | 3074 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,898 psi | 88% | 2966 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 57,217 psi | 88% | 2992 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 57,667 psi | 89% | 3081 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,608 psi | 86% | 3054 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 57,217 psi | 88% | 3054 fps | 98.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 54,824 psi | 84% | 3064 fps | 98.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,547 psi | 79% | 2989 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,034 psi | 69% | 2913 fps | 99.2% |
| Alliant Reloder-26 | <<locked>> | 98% | 55,753 psi | 86% | 3136 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 58,755 psi | 90% | 3015 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,241 psi | 77% | 2979 fps | 97.4% |
| Bofors RP3 | <<locked>> | 86% | 57,914 psi | 89% | 2986 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 54,824 psi | 84% | 3064 fps | 98.3% |
| Bofors RP7 | <<locked>> | 90% | 57,145 psi | 88% | 2972 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 86% | 58,523 psi | 90% | 3009 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 55,637 psi | 86% | 3022 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 88% | 55,347 psi | 85% | 2982 fps | 98.4% |
| Hodgdon H4831 | <<locked>> | 98% | 55,883 psi | 86% | 3009 fps | 96.5% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 58,624 psi | 90% | 3048 fps | 97% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 58,291 psi | 90% | 3002 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,840 psi | 86% | 2986 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,077 psi | 68% | 2943 fps | 96.5% |
| Hodgdon Superformance | <<locked>> | 90% | 55,767 psi | 86% | 3058 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,564 psi | 56% | 1850 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,420 psi | 87% | 2946 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 55,535 psi | 85% | 2927 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 58,349 psi | 90% | 2969 fps | 99.5% |
| IMR 4350 | <<locked>> | 94% | 58,218 psi | 90% | 3005 fps | 99.3% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,506 psi | 85% | 2949 fps | 99.2% |
| IMR 4831 | <<locked>> | 94% | 57,638 psi | 89% | 3015 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 58,740 psi | 90% | 3022 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,261 psi | 88% | 2992 fps | 97% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,142 psi | 82% | 3035 fps | 96.7% |
| Lovex S060 | <<locked>> | 82% | 56,913 psi | 88% | 2910 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,796 psi | 86% | 2920 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,637 psi | 86% | 2946 fps | 99.8% |
| Lovex S070 | <<locked>> | 92% | 56,797 psi | 87% | 2986 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,687 psi | 70% | 2818 fps | 98.6% |
| Norma 201 | <<locked>> | 82% | 57,188 psi | 88% | 2933 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,754 psi | 89% | 2927 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,507 psi | 87% | 2979 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,680 psi | 86% | 3009 fps | 98.1% |
| Norma MRPᴾ | <<locked>> | 100% | 58,334 psi | 90% | 3150 fps | 99.6% |
| Norma URP | <<locked>> | 92% | 55,651 psi | 86% | 3009 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 57,580 psi | 89% | 3005 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,534 psi | 82% | 3048 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 94% | 58,218 psi | 90% | 3068 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,935 psi | 74% | 2920 fps | 97.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,086 psi | 57% | 1893 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 58,363 psi | 90% | 2992 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 58,566 psi | 90% | 3068 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,940 psi | 85% | 3045 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,927 psi | 88% | 3048 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,361 psi | 85% | 3077 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,947 psi | 68% | 2936 fps | 97.7% |
| Rottweil R 902 | <<locked>> | 84% | 57,740 psi | 89% | 2933 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 58,088 psi | 89% | 2982 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 56,202 psi | 86% | 2982 fps | 97.3% |
| Rottweil R 905 | <<locked>> | 98% | 56,565 psi | 87% | 3041 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 90% | 57,145 psi | 88% | 2972 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,637 psi | 86% | 2946 fps | 99.8% |
| Shooters World Precision | <<locked>> | 84% | 55,796 psi | 86% | 2920 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,797 psi | 87% | 2986 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 56,057 psi | 86% | 2992 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 57,000 psi | 88% | 2963 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,841 psi | 89% | 2858 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,376 psi | 85% | 2815 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,274 psi | 85% | 2897 fps | 99.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 56,072 psi | 86% | 3038 fps | 98.5% |
| Somchem S335 | <<locked>> | 82% | 57,580 psi | 89% | 2854 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 58,001 psi | 89% | 2979 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 57,914 psi | 89% | 2976 fps | 96.8% |
| Somchem S365 | <<locked>> | 94% | 55,071 psi | 85% | 3012 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 57,203 psi | 88% | 3015 fps | 99.1% |
| Vihtavuori N133 | <<locked>> | 82% | 58,378 psi | 90% | 2838 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 58,436 psi | 90% | 2890 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 58,523 psi | 90% | 2904 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,709 psi | 86% | 2900 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,943 psi | 89% | 3002 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 53,098 psi | 82% | 2936 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 84% | 56,550 psi | 87% | 2900 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,971 psi | 88% | 3009 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,986 psi | 89% | 3071 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 58,537 psi | 90% | 3136 fps | 97.4% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 57,667 psi | 89% | 2969 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 55,637 psi | 86% | 3022 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,833 psi | 72% | 3051 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 57,276 psi | 88% | 2972 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 57,508 psi | 89% | 3012 fps | 98.5% |
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 2495 | <<locked>> | 80% | 52,359 psi | 81% | 2808 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,922 psi | 77% | 2812 fps | 97.9% |
| Accurate 3100 | <<locked>> | 86% | 34,098 psi | 52% | 2569 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 49,632 psi | 76% | 2815 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,985 psi | 58% | 2677 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 98% | 53,403 psi | 82% | 3058 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 55,027 psi | 85% | 2940 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 46,789 psi | 72% | 2789 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 44,701 psi | 69% | 2831 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 96% | 48,718 psi | 75% | 2936 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,779 psi | 80% | 3012 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,137 psi | 73% | 2812 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,517 psi | 78% | 2884 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,840 psi | 57% | 2687 fps | 98.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,945 psi | 65% | 2818 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 44,411 psi | 68% | 2825 fps | 95.9% |
| Alliant Reloder-22 | <<locked>> | 92% | 41,727 psi | 64% | 2815 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,079 psi | 42% | 2431 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 90% | 32,721 psi | 50% | 2612 fps | 95.2% |
| Alliant Reloder-26 | 49.3 gr | 82% | 30,908 psi | 48% | 2605 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 54,955 psi | 85% | 2959 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 43,903 psi | 68% | 2858 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 47,732 psi | 73% | 2828 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 41,727 psi | 64% | 2815 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 41,742 psi | 64% | 2690 fps | 96.2% |
| Hodgdon H380 | <<locked>> | 80% | 47,834 psi | 74% | 2835 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 39,711 psi | 61% | 2723 fps | 96.2% |
| Hodgdon H4350 | <<locked>> | 80% | 42,844 psi | 66% | 2749 fps | 95.7% |
| Hodgdon H4831 | <<locked>> | 96% | 52,359 psi | 81% | 2946 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,097 psi | 79% | 2927 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,389 psi | 53% | 2579 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 52,460 psi | 81% | 2933 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,147 psi | 63% | 2871 fps | 95.4% |
| Hodgdon Superformance | 49.6 gr | 80% | 38,667 psi | 60% | 2730 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,267 psi | 42% | 1654 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 53,011 psi | 82% | 2897 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 49,226 psi | 76% | 2825 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,314 psi | 79% | 2854 fps | 98.7% |
| IMR 4350 | <<locked>> | 82% | 39,900 psi | 61% | 2671 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,163 psi | 66% | 2723 fps | 97% |
| IMR 4831 | <<locked>> | 80% | 36,448 psi | 56% | 2628 fps | 98% |
| IMR 4895 | <<locked>> | 80% | 51,837 psi | 80% | 2917 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,575 psi | 78% | 2881 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 98% | 49,763 psi | 77% | 2969 fps | 95.9% |
| Lovex S060 | <<locked>> | 80% | 53,824 psi | 83% | 2864 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,516 psi | 76% | 2822 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,785 psi | 63% | 2674 fps | 97.8% |
| Lovex S070 | <<locked>> | 80% | 39,088 psi | 60% | 2654 fps | 96.2% |
| Lovex S071 | <<locked>> | 92% | 35,389 psi | 54% | 2602 fps | 95.9% |
| Norma 201 | <<locked>> | 80% | 53,708 psi | 83% | 2881 fps | 100% |
| Norma 202 | <<locked>> | 80% | 54,244 psi | 83% | 2874 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,879 psi | 77% | 2871 fps | 100% |
| Norma 204 | <<locked>> | 86% | 45,324 psi | 70% | 2825 fps | 95.9% |
| Norma MRP | <<locked>> | 88% | 38,392 psi | 59% | 2769 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 37,666 psi | 58% | 2671 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 80% | 50,227 psi | 77% | 2894 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 46,441 psi | 71% | 2917 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 36,448 psi | 56% | 2654 fps | 96.1% |
| Ramshot Magnum | <<locked>> | 96% | 41,307 psi | 64% | 2789 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,804 psi | 43% | 1693 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,008 psi | 74% | 2822 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 54,549 psi | 84% | 3005 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,556 psi | 69% | 2874 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,594 psi | 58% | 2694 fps | 97.9% |
| ReloadSwiss RS 70 | 47.7 gr | 80% | 36,521 psi | 56% | 2700 fps | 97.3% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,174 psi | 59% | 2792 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 51,271 psi | 79% | 2835 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,904 psi | 69% | 2772 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 46,470 psi | 72% | 2812 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 90% | 43,482 psi | 67% | 2808 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 41,742 psi | 64% | 2690 fps | 96.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,785 psi | 63% | 2674 fps | 97.8% |
| Shooters World Precision | <<locked>> | 80% | 49,516 psi | 76% | 2822 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,088 psi | 60% | 2654 fps | 96.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,905 psi | 71% | 2822 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,330 psi | 82% | 2910 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,244 psi | 83% | 2808 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,948 psi | 71% | 2674 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,987 psi | 62% | 2618 fps | 96.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 43,076 psi | 66% | 2802 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 54,201 psi | 83% | 2808 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 45,121 psi | 69% | 2769 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 50,676 psi | 78% | 2854 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 34,040 psi | 52% | 2625 fps | 99.6% |
| Somchem S385 | <<locked>> | 86% | 38,566 psi | 59% | 2671 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 80% | 54,824 psi | 84% | 2789 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 51,358 psi | 79% | 2792 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,648 psi | 79% | 2808 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 43,134 psi | 66% | 2697 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,117 psi | 60% | 2671 fps | 98.4% |
| Vihtavuori N165 | <<locked>> | 92% | 40,683 psi | 63% | 2707 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 49,763 psi | 77% | 2799 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,435 psi | 59% | 2667 fps | 98.1% |
| Vihtavuori N555 | <<locked>> | 80% | 29,834 psi | 46% | 2510 fps | 96.1% |
| Vihtavuori N560 | <<locked>> | 96% | 51,097 psi | 79% | 3012 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,232 psi | 59% | 2641 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 39,958 psi | 61% | 2726 fps | 96.3% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,556 psi | 39% | 2461 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 53,490 psi | 82% | 2917 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 43,685 psi | 67% | 2776 fps | 95.6% |
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 100 powders for 6.5 PRC loaded with the .264 | 123gr | Warner Tool Co. Flat Line. Norma MRP delivers the highest muzzle velocity at 3,150 fps; across all powders the maximum-charge window runs from 1,850 fps to 3,150 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 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 1:7.5 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. Alliant Reloder-26, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for 6.5 PRC with the .264 | 123gr | Warner Tool Co. Flat Line 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.