Load Specifications
Bullet:.257 | 115gr | Barnes TSX BT
Bullet Manufacturer:Barnes
Bullet Weight:115 gr
Bullet Diameter:0.257"
Bullet Length:<<locked>>
Caliber:.25-06 Rem. load data
Case Length (l3):2.489"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:65.8 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:65,267 psi
Recommended Twist Rate:1:9.0
Load data in caliber .25-06 Rem. with .257 | 115gr | Barnes TSX BT bullet and 103 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 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 2495 | <<locked>> | 84% | 58,595 psi | 90% | 2894 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 56,681 psi | 87% | 2923 fps | 98.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,027 psi | 84% | 2966 fps | 99.7% |
| Accurate 4064 | <<locked>> | 84% | 55,390 psi | 85% | 2900 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 56,942 psi | 87% | 3015 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 57,624 psi | 88% | 3110 fps | 96.6% |
| ADI AR 2206H | <<locked>> | 82% | 58,102 psi | 89% | 2986 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 55,883 psi | 86% | 2940 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 58,349 psi | 89% | 3064 fps | 98.6% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 56,057 psi | 86% | 3058 fps | 97.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,724 psi | 85% | 3068 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 56,956 psi | 87% | 2966 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 56,913 psi | 87% | 2986 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 57,696 psi | 88% | 3074 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,651 psi | 85% | 3045 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 57,580 psi | 88% | 3051 fps | 98.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 55,027 psi | 84% | 3054 fps | 98.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,822 psi | 79% | 2979 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,947 psi | 69% | 2904 fps | 99.2% |
| Alliant Reloder-26 | <<locked>> | 98% | 55,956 psi | 86% | 3123 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 58,465 psi | 90% | 3005 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,241 psi | 77% | 2969 fps | 97.3% |
| Bofors RP3 | <<locked>> | 86% | 57,609 psi | 88% | 2976 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 55,027 psi | 84% | 3054 fps | 98.4% |
| Bofors RP7 | <<locked>> | 90% | 57,058 psi | 87% | 2966 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 86% | 58,044 psi | 89% | 2999 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 55,579 psi | 85% | 3015 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 90% | 58,784 psi | 90% | 3031 fps | 98.9% |
| Hodgdon H4831 | <<locked>> | 98% | 56,043 psi | 86% | 2999 fps | 96.5% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 58,943 psi | 90% | 3045 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 82% | 58,769 psi | 90% | 2995 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 58,291 psi | 89% | 2995 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 55,709 psi | 85% | 2979 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,005 psi | 67% | 2930 fps | 96.5% |
| Hodgdon Superformance | <<locked>> | 90% | 55,912 psi | 86% | 3051 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,332 psi | 56% | 1864 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,434 psi | 86% | 2946 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 58,871 psi | 90% | 2972 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 58,204 psi | 89% | 2963 fps | 99.5% |
| IMR 4350 | <<locked>> | 94% | 58,305 psi | 89% | 3002 fps | 99.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 58,784 psi | 90% | 2995 fps | 99.5% |
| IMR 4831 | <<locked>> | 94% | 57,551 psi | 88% | 3009 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 58,436 psi | 90% | 3015 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,566 psi | 88% | 2989 fps | 97% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,214 psi | 82% | 3025 fps | 96.7% |
| Lovex D073.6 | <<locked>> | 82% | 58,885 psi | 90% | 2956 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 56,797 psi | 87% | 2907 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 58,929 psi | 90% | 2963 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 58,798 psi | 90% | 2989 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 56,521 psi | 87% | 2976 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,339 psi | 69% | 2802 fps | 98.5% |
| Norma 201 | <<locked>> | 82% | 56,797 psi | 87% | 2930 fps | 100% |
| Norma 202 | <<locked>> | 82% | 57,537 psi | 88% | 2923 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,202 psi | 86% | 2972 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,477 psi | 85% | 2995 fps | 98.1% |
| Norma MRPᴾ | <<locked>> | 100% | 58,494 psi | 90% | 3136 fps | 99.6% |
| Norma URP | <<locked>> | 92% | 55,448 psi | 85% | 2999 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 57,334 psi | 88% | 2999 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,824 psi | 82% | 3045 fps | 97.2% |
| Ramshot Hunter | <<locked>> | 94% | 58,479 psi | 90% | 3061 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 47,892 psi | 73% | 2910 fps | 97.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,825 psi | 56% | 1903 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 58,102 psi | 89% | 2982 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 58,392 psi | 89% | 3061 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,868 psi | 84% | 3035 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 57,087 psi | 87% | 3038 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,738 psi | 85% | 3071 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,918 psi | 67% | 2923 fps | 97.7% |
| Rottweil R 902 | <<locked>> | 84% | 57,464 psi | 88% | 2927 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 57,812 psi | 89% | 2976 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,999 psi | 86% | 2972 fps | 97.3% |
| Rottweil R 905 | <<locked>> | 98% | 56,855 psi | 87% | 3038 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 90% | 57,058 psi | 87% | 2966 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 58,798 psi | 90% | 2989 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 58,885 psi | 90% | 2956 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 58,929 psi | 90% | 2963 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,521 psi | 87% | 2976 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 56,101 psi | 86% | 2986 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,782 psi | 87% | 2956 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 57,508 psi | 88% | 2854 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 58,726 psi | 90% | 2854 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 58,755 psi | 90% | 2943 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 56,362 psi | 86% | 3031 fps | 98.5% |
| Somchem S335 | <<locked>> | 82% | 57,305 psi | 88% | 2851 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,740 psi | 88% | 2972 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 58,117 psi | 89% | 2969 fps | 96.9% |
| Somchem S365 | <<locked>> | 94% | 55,085 psi | 84% | 3002 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 57,145 psi | 88% | 3005 fps | 99.1% |
| Vihtavuori N133 | <<locked>> | 82% | 58,117 psi | 89% | 2835 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 57,769 psi | 89% | 2881 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 58,204 psi | 89% | 2900 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,550 psi | 85% | 2894 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,885 psi | 89% | 2995 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 53,127 psi | 81% | 2927 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 84% | 56,376 psi | 86% | 2894 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 56,942 psi | 87% | 3002 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,783 psi | 89% | 3058 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 58,653 psi | 90% | 3127 fps | 97.4% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 57,783 psi | 89% | 2959 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 55,579 psi | 85% | 3015 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,891 psi | 72% | 3035 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 57,145 psi | 88% | 2966 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 57,827 psi | 89% | 3005 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% | 51,430 psi | 79% | 2795 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,487 psi | 76% | 2805 fps | 97.8% |
| Accurate 3100 | <<locked>> | 86% | 33,460 psi | 51% | 2549 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 48,747 psi | 75% | 2802 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,101 psi | 57% | 2657 fps | 98% |
| Accurate MAGPRO | <<locked>> | 98% | 53,403 psi | 82% | 3045 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 54,491 psi | 83% | 2930 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 46,470 psi | 71% | 2785 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 44,411 psi | 68% | 2822 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 96% | 48,559 psi | 74% | 2927 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,677 psi | 79% | 3002 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,717 psi | 72% | 2805 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,908 psi | 76% | 2874 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,419 psi | 56% | 2674 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,553 psi | 64% | 2805 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 44,121 psi | 68% | 2812 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 92% | 41,481 psi | 64% | 2799 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,469 psi | 41% | 2408 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 92% | 34,403 psi | 53% | 2654 fps | 96% |
| Alliant Reloder-26 | 49.3 gr | 84% | 32,866 psi | 50% | 2654 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 54,824 psi | 84% | 2953 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 43,801 psi | 67% | 2848 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 47,021 psi | 72% | 2815 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 41,481 psi | 64% | 2799 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 41,278 psi | 63% | 2680 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 47,529 psi | 73% | 2828 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 39,450 psi | 60% | 2710 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 42,337 psi | 65% | 2736 fps | 95.5% |
| Hodgdon H4831 | <<locked>> | 96% | 52,286 psi | 80% | 2936 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,024 psi | 78% | 2917 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 55,100 psi | 84% | 2940 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,837 psi | 52% | 2562 fps | 98.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 52,156 psi | 80% | 2923 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,133 psi | 63% | 2864 fps | 95.4% |
| Hodgdon Superformance | 48.4 gr | 80% | 38,493 psi | 59% | 2720 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,035 psi | 41% | 1663 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,837 psi | 81% | 2890 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,878 psi | 75% | 2818 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,155 psi | 78% | 2848 fps | 98.7% |
| IMR 4350 | <<locked>> | 82% | 39,653 psi | 61% | 2664 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,859 psi | 66% | 2717 fps | 96.9% |
| IMR 4831 | <<locked>> | 80% | 35,926 psi | 55% | 2615 fps | 97.7% |
| IMR 4895 | <<locked>> | 80% | 51,227 psi | 78% | 2904 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 50,560 psi | 77% | 2874 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 98% | 49,676 psi | 76% | 2959 fps | 95.8% |
| Lovex D073.6 | <<locked>> | 80% | 55,071 psi | 84% | 2904 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 53,592 psi | 82% | 2861 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,023 psi | 75% | 2815 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,277 psi | 62% | 2661 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 38,551 psi | 59% | 2641 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 34,751 psi | 53% | 2582 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 53,200 psi | 82% | 2874 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,925 psi | 83% | 2871 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,284 psi | 76% | 2861 fps | 100% |
| Norma 204 | <<locked>> | 86% | 45,266 psi | 69% | 2815 fps | 95.8% |
| Norma MRP | <<locked>> | 88% | 38,029 psi | 58% | 2753 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 37,231 psi | 57% | 2661 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 80% | 50,009 psi | 77% | 2884 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 46,311 psi | 71% | 2904 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 36,158 psi | 55% | 2641 fps | 95.9% |
| Ramshot Magnum | <<locked>> | 96% | 41,191 psi | 63% | 2776 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,528 psi | 42% | 1706 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,601 psi | 73% | 2812 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 54,520 psi | 84% | 3002 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,237 psi | 68% | 2861 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,072 psi | 57% | 2674 fps | 97.7% |
| ReloadSwiss RS 70 | 46.5 gr | 80% | 36,172 psi | 55% | 2687 fps | 97.1% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,072 psi | 58% | 2779 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 50,676 psi | 78% | 2828 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,324 psi | 68% | 2759 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 49,284 psi | 76% | 2861 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 90% | 43,091 psi | 66% | 2795 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 41,278 psi | 63% | 2680 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,277 psi | 62% | 2661 fps | 97.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 55,071 psi | 84% | 2904 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 49,023 psi | 75% | 2815 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,551 psi | 59% | 2641 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,745 psi | 70% | 2815 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,243 psi | 82% | 2904 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 54,128 psi | 83% | 2808 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,745 psi | 70% | 2671 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,305 psi | 60% | 2602 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 42,685 psi | 65% | 2785 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 53,780 psi | 82% | 2805 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 44,599 psi | 68% | 2759 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 50,778 psi | 78% | 2851 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 33,547 psi | 51% | 2608 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 40,814 psi | 63% | 2713 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 80% | 54,737 psi | 84% | 2792 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 51,068 psi | 78% | 2789 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,358 psi | 79% | 2805 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 42,699 psi | 65% | 2690 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,493 psi | 59% | 2657 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 92% | 40,393 psi | 62% | 2694 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 49,588 psi | 76% | 2795 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,058 psi | 58% | 2657 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 29,153 psi | 45% | 2487 fps | 95.6% |
| Vihtavuori N560 | <<locked>> | 96% | 51,169 psi | 78% | 3002 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,942 psi | 58% | 2631 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 39,450 psi | 60% | 2710 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 84% | 26,643 psi | 41% | 2497 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 53,229 psi | 82% | 2910 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 43,308 psi | 66% | 2759 fps | 95.4% |
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 103 powders for .25-06 Rem. loaded with the .257 | 115gr | Barnes TSX BT. Norma MRP delivers the highest muzzle velocity at 3,136 fps; across all powders the maximum-charge window runs from 1,864 fps to 3,136 fps. Accurate 3100 gives the best case fill at 100 %, and 103 of the 103 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (450 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 115.0 gr projectile in 0.257" calls for a 1:9.0 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. ReloadSwiss RS 70, Alliant Reloder-26, Hodgdon Superformance rank at the top here: for .25-06 Rem. with the .257 | 115gr | Barnes TSX 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.