Load Specifications
Bullet:.264 | 125gr | Hammer HHT
Bullet Manufacturer:Hammer
Bullet Weight:125 gr
Bullet Diameter:0.264"
Bullet Length:<<locked>>
Caliber:6.5 PRC load data
Case Length (l3):2.03"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:68 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:64,977 psi
Recommended Twist Rate:1:8.0
Load data in caliber 6.5 PRC with .264 | 125gr | Hammer HHT bullet and 98 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 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 2495 | <<locked>> | 82% | 56,405 psi | 87% | 2841 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 57,319 psi | 88% | 2913 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,622 psi | 86% | 2959 fps | 99.8% |
| Accurate 4064 | <<locked>> | 84% | 56,898 psi | 88% | 2900 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 57,986 psi | 89% | 3015 fps | 100% |
| Accurate High Country | <<locked>> | 98% | 57,000 psi | 88% | 3114 fps | 97.9% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 57,870 psi | 89% | 3107 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 86% | 56,637 psi | 87% | 2930 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 58,682 psi | 90% | 3058 fps | 98.8% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 56,217 psi | 87% | 3051 fps | 97.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 56,318 psi | 87% | 3061 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 58,755 psi | 90% | 3054 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 57,479 psi | 88% | 2953 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 57,798 psi | 89% | 2979 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 58,392 psi | 90% | 3068 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,985 psi | 86% | 3038 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 57,914 psi | 89% | 3045 fps | 98.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 55,259 psi | 85% | 3048 fps | 98.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,257 psi | 80% | 2976 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,368 psi | 70% | 2904 fps | 99.4% |
| Alliant Reloder-26 | <<locked>> | 98% | 56,318 psi | 87% | 3123 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,633 psi | 78% | 2966 fps | 97.6% |
| Bofors RP3 | <<locked>> | 86% | 58,537 psi | 90% | 2972 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 55,259 psi | 85% | 3048 fps | 98.5% |
| Bofors RP7 | <<locked>> | 90% | 57,711 psi | 89% | 2959 fps | 99.3% |
| Hodgdon H380 | <<locked>> | 84% | 55,216 psi | 85% | 2936 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 56,318 psi | 87% | 3012 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 88% | 55,912 psi | 86% | 2969 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 98% | 56,608 psi | 87% | 2999 fps | 96.8% |
| Hodgdon H4831 SC | <<locked>> | 98% | 55,245 psi | 85% | 2976 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 58,653 psi | 90% | 2982 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 56,463 psi | 87% | 2969 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,411 psi | 68% | 2933 fps | 96.9% |
| Hodgdon Superformance | <<locked>> | 90% | 56,521 psi | 87% | 3048 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,477 psi | 56% | 1834 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,942 psi | 88% | 2933 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 56,057 psi | 86% | 2913 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 55,071 psi | 85% | 2897 fps | 99.3% |
| IMR 4350 | <<locked>> | 92% | 55,361 psi | 85% | 2940 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,767 psi | 86% | 2930 fps | 99.3% |
| IMR 4831 | <<locked>> | 94% | 57,986 psi | 89% | 2999 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 55,724 psi | 86% | 2956 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,899 psi | 89% | 2982 fps | 97.2% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,809 psi | 83% | 3025 fps | 97.1% |
| Lovex S060 | <<locked>> | 82% | 57,392 psi | 88% | 2894 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 56,275 psi | 87% | 2904 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 56,188 psi | 86% | 2933 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 57,435 psi | 88% | 2976 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 46,311 psi | 71% | 2808 fps | 98.8% |
| Norma 201 | <<locked>> | 82% | 57,711 psi | 89% | 2917 fps | 100% |
| Norma 202 | <<locked>> | 82% | 58,291 psi | 90% | 2910 fps | 100% |
| Norma 203B | <<locked>> | 84% | 57,087 psi | 88% | 2963 fps | 100% |
| Norma 204 | <<locked>> | 92% | 56,014 psi | 86% | 2992 fps | 98.3% |
| Norma MRP | <<locked>> | 98% | 55,027 psi | 85% | 3074 fps | 99.4% |
| Norma URP | <<locked>> | 92% | 56,304 psi | 87% | 2995 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 58,204 psi | 90% | 2992 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 54,244 psi | 83% | 3045 fps | 97.5% |
| Ramshot Hunter | <<locked>> | 92% | 54,998 psi | 85% | 2995 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,341 psi | 74% | 2910 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,260 psi | 57% | 1880 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 58,682 psi | 90% | 2976 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 55,666 psi | 86% | 3028 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 57,682 psi | 89% | 3035 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 56,086 psi | 86% | 3064 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,570 psi | 69% | 2930 fps | 98% |
| Rottweil R 902 | <<locked>> | 84% | 58,276 psi | 90% | 2917 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 58,740 psi | 90% | 2969 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 56,507 psi | 87% | 2969 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 98% | 57,305 psi | 88% | 3031 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 90% | 57,711 psi | 89% | 2959 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 90% | 56,188 psi | 86% | 2933 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 56,275 psi | 87% | 2904 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 57,435 psi | 88% | 2976 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 56,666 psi | 87% | 2976 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 57,566 psi | 89% | 2949 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 58,320 psi | 90% | 2841 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,840 psi | 86% | 2799 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,840 psi | 86% | 2884 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 56,811 psi | 87% | 3028 fps | 98.7% |
| Somchem S335 | <<locked>> | 82% | 58,059 psi | 89% | 2838 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 58,610 psi | 90% | 2963 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 58,624 psi | 90% | 2966 fps | 97.1% |
| Somchem S365 | <<locked>> | 94% | 55,825 psi | 86% | 2995 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 57,914 psi | 89% | 3005 fps | 99.3% |
| Vihtavuori N135 | <<locked>> | 84% | 58,668 psi | 90% | 2867 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 55,521 psi | 85% | 2841 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 56,304 psi | 87% | 2884 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 58,610 psi | 90% | 2992 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 53,476 psi | 82% | 2923 fps | 98.5% |
| Vihtavuori N540 | <<locked>> | 84% | 57,116 psi | 88% | 2887 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 57,653 psi | 89% | 2995 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 58,421 psi | 90% | 3054 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 55,274 psi | 85% | 3064 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 58,349 psi | 90% | 2953 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 56,318 psi | 87% | 3012 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 47,369 psi | 73% | 3041 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 57,812 psi | 89% | 2956 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 58,262 psi | 90% | 3002 fps | 98.7% |
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% | 52,866 psi | 81% | 2792 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 50,343 psi | 77% | 2802 fps | 98.1% |
| Accurate 3100 | <<locked>> | 86% | 34,592 psi | 53% | 2562 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 50,082 psi | 77% | 2799 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,421 psi | 59% | 2667 fps | 98.5% |
| Accurate High Country | <<locked>> | 92% | 46,195 psi | 71% | 2920 fps | 95.5% |
| Accurate MAGPRO | <<locked>> | 96% | 50,386 psi | 78% | 2982 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 47,210 psi | 73% | 2779 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 42,409 psi | 65% | 2766 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 96% | 49,284 psi | 76% | 2930 fps | 95.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 52,402 psi | 81% | 2999 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 42,395 psi | 65% | 2762 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,601 psi | 73% | 2799 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 51,010 psi | 79% | 2874 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 37,231 psi | 57% | 2677 fps | 98.6% |
| Alliant Reloder-17 | 46.8 gr | 80% | 42,206 psi | 65% | 2802 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 41,930 psi | 65% | 2753 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 92% | 42,279 psi | 65% | 2805 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,398 psi | 42% | 2425 fps | 96.4% |
| Alliant Reloder-25 | <<locked>> | 90% | 33,112 psi | 51% | 2608 fps | 95.7% |
| Alliant Reloder-26 | 49.2 gr | 82% | 31,343 psi | 48% | 2598 fps | 95.8% |
| Bofors RP15 | <<locked>> | 94% | 41,713 psi | 64% | 2792 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 47,979 psi | 74% | 2808 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 42,279 psi | 65% | 2805 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 42,148 psi | 65% | 2680 fps | 96.5% |
| Hodgdon H380 | <<locked>> | 80% | 48,341 psi | 74% | 2822 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 80% | 40,190 psi | 62% | 2713 fps | 96.6% |
| Hodgdon H4350 | <<locked>> | 80% | 43,047 psi | 66% | 2733 fps | 96% |
| Hodgdon H4831 | <<locked>> | 94% | 49,342 psi | 76% | 2874 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,735 psi | 80% | 2917 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,795 psi | 54% | 2569 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 53,026 psi | 82% | 2920 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,684 psi | 64% | 2867 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 39,160 psi | 60% | 2720 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,166 psi | 42% | 1637 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 53,505 psi | 82% | 2881 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 49,676 psi | 76% | 2812 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,764 psi | 80% | 2841 fps | 98.9% |
| IMR 4350 | <<locked>> | 80% | 37,826 psi | 58% | 2605 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,569 psi | 67% | 2710 fps | 97.3% |
| IMR 4831 | <<locked>> | 80% | 36,883 psi | 57% | 2618 fps | 98.2% |
| IMR 4895 | <<locked>> | 80% | 52,344 psi | 81% | 2900 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 48,080 psi | 74% | 2815 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 96% | 46,891 psi | 72% | 2897 fps | 95.2% |
| Lovex S060 | <<locked>> | 80% | 53,983 psi | 83% | 2844 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,661 psi | 76% | 2802 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,191 psi | 63% | 2661 fps | 98% |
| Lovex S070 | <<locked>> | 80% | 39,465 psi | 61% | 2644 fps | 96.5% |
| Lovex S071 | <<locked>> | 90% | 33,533 psi | 52% | 2539 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 54,186 psi | 83% | 2864 fps | 100% |
| Norma 202 | <<locked>> | 80% | 54,737 psi | 84% | 2861 fps | 100% |
| Norma 203B | <<locked>> | 80% | 50,386 psi | 78% | 2858 fps | 100% |
| Norma 204 | <<locked>> | 84% | 42,714 psi | 66% | 2749 fps | 95.3% |
| Norma MRP | <<locked>> | 88% | 38,885 psi | 60% | 2762 fps | 96% |
| Norma URP | <<locked>> | 80% | 38,116 psi | 59% | 2661 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 80% | 50,792 psi | 78% | 2881 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 47,065 psi | 72% | 2910 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 36,854 psi | 57% | 2644 fps | 96.4% |
| Ramshot Magnum | <<locked>> | 94% | 38,943 psi | 60% | 2717 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 43% | 1677 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,501 psi | 75% | 2808 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,817 psi | 69% | 2854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,101 psi | 59% | 2684 fps | 98.2% |
| ReloadSwiss RS 70 | 47.6 gr | 80% | 36,956 psi | 57% | 2694 fps | 97.6% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,725 psi | 60% | 2789 fps | 95.9% |
| Rottweil R 902 | <<locked>> | 80% | 51,735 psi | 80% | 2822 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 45,382 psi | 70% | 2759 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 46,688 psi | 72% | 2799 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 88% | 41,205 psi | 63% | 2740 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 42,148 psi | 65% | 2680 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,191 psi | 63% | 2661 fps | 98% |
| Shooters World Precision | <<locked>> | 80% | 49,661 psi | 76% | 2802 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,465 psi | 61% | 2644 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,369 psi | 71% | 2808 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,824 psi | 83% | 2894 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,694 psi | 84% | 2792 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,340 psi | 71% | 2657 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,393 psi | 62% | 2605 fps | 96.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 40,828 psi | 63% | 2736 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 54,607 psi | 84% | 2792 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 45,585 psi | 70% | 2756 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 51,242 psi | 79% | 2848 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 34,490 psi | 53% | 2618 fps | 99.8% |
| Somchem S385 | <<locked>> | 86% | 39,030 psi | 60% | 2664 fps | 95.5% |
| Vihtavuori N135 | <<locked>> | 80% | 51,837 psi | 80% | 2776 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 52,141 psi | 80% | 2792 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 43,555 psi | 67% | 2687 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,552 psi | 61% | 2661 fps | 98.6% |
| Vihtavuori N165 | <<locked>> | 92% | 41,205 psi | 63% | 2700 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 50,241 psi | 77% | 2785 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,841 psi | 60% | 2661 fps | 98.3% |
| Vihtavuori N555 | <<locked>> | 80% | 30,255 psi | 47% | 2503 fps | 96.5% |
| Vihtavuori N560 | <<locked>> | 94% | 48,298 psi | 74% | 2940 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,624 psi | 59% | 2631 fps | 99.8% |
| Winchester 760 | <<locked>> | 80% | 40,408 psi | 62% | 2720 fps | 96.6% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,860 psi | 40% | 2457 fps | 96.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 54,041 psi | 83% | 2904 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 41,147 psi | 63% | 2703 fps | 95% |
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 98 powders for 6.5 PRC loaded with the .264 | 125gr | Hammer HHT. Alliant Reloder-26 delivers the highest muzzle velocity at 3,123 fps; across all powders the maximum-charge window runs from 1,834 fps to 3,123 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 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 125.0 gr projectile in 0.264" calls for a 1:8.0 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, Alliant Reloder-17 rank at the top here: for 6.5 PRC with the .264 | 125gr | Hammer HHT 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.