Load Specifications
Load data in caliber .25-06 Rem. with .257 | 115gr | Speer TBBC bullet and 95 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Accurate High Country and Norma MRP.
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% | 57,595 psi | 88% | 2877 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 58,842 psi | 90% | 2956 fps | 99.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 57,696 psi | 88% | 2999 fps | 99.9% |
| Accurate 4064 | <<locked>> | 84% | 58,117 psi | 89% | 2933 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 55,825 psi | 86% | 2995 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 55,071 psi | 84% | 3087 fps | 97.5% |
| Accurate MAGPRO | <<locked>> | 98% | 56,376 psi | 86% | 3091 fps | 96.5% |
| ADI AR 2208 | <<locked>> | 86% | 58,044 psi | 89% | 2972 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 56,608 psi | 87% | 3038 fps | 98.5% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 58,088 psi | 89% | 3094 fps | 97.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 57,812 psi | 89% | 3097 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 56,782 psi | 87% | 3035 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 59,045 psi | 90% | 2992 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 59,030 psi | 90% | 3015 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 56,565 psi | 87% | 3054 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 58,117 psi | 89% | 3077 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 56,043 psi | 86% | 3028 fps | 98.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 57,319 psi | 88% | 3087 fps | 98.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 54,215 psi | 83% | 3015 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,036 psi | 72% | 2943 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 98% | 58,987 psi | 90% | 3166 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,518 psi | 80% | 3009 fps | 97.9% |
| Bofors RP3 | <<locked>> | 84% | 56,550 psi | 87% | 2963 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 57,319 psi | 88% | 3087 fps | 98.8% |
| Bofors RP7 | <<locked>> | 88% | 55,695 psi | 85% | 2946 fps | 99% |
| Hodgdon H380 | <<locked>> | 84% | 56,782 psi | 87% | 2976 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 57,870 psi | 89% | 3051 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 88% | 57,232 psi | 88% | 3005 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 98% | 58,465 psi | 90% | 3038 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 98% | 57,029 psi | 87% | 3018 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 56,826 psi | 87% | 2972 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 58,131 psi | 89% | 3012 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 45,992 psi | 70% | 2979 fps | 97.3% |
| Hodgdon Superformance | <<locked>> | 90% | 58,523 psi | 90% | 3091 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,521 psi | 56% | 1870 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 58,349 psi | 89% | 2972 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 57,406 psi | 88% | 2953 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 56,333 psi | 86% | 2936 fps | 99.4% |
| IMR 4350 | <<locked>> | 92% | 56,739 psi | 87% | 2979 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 57,217 psi | 88% | 2972 fps | 99.4% |
| IMR 4831 | <<locked>> | 92% | 56,289 psi | 86% | 2989 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 56,869 psi | 87% | 2989 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 55,869 psi | 86% | 2966 fps | 96.8% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 55,651 psi | 85% | 3068 fps | 97.4% |
| Lovex S060 | <<locked>> | 82% | 58,624 psi | 90% | 2933 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 57,725 psi | 88% | 2943 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 57,435 psi | 88% | 2969 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 58,885 psi | 90% | 3009 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 47,935 psi | 73% | 2848 fps | 99% |
| Norma 201 | <<locked>> | 82% | 58,726 psi | 90% | 2953 fps | 100% |
| Norma 203B | <<locked>> | 84% | 58,305 psi | 89% | 2999 fps | 100% |
| Norma 204 | <<locked>> | 92% | 58,001 psi | 89% | 3035 fps | 98.5% |
| Norma MRP | <<locked>> | 98% | 57,276 psi | 88% | 3117 fps | 99.6% |
| Norma URP | <<locked>> | 92% | 57,856 psi | 89% | 3031 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 55,709 psi | 85% | 2972 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 56,347 psi | 86% | 3087 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 92% | 57,014 psi | 87% | 3038 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,372 psi | 77% | 2953 fps | 98.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,333 psi | 57% | 1916 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 56,405 psi | 86% | 2956 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 57,392 psi | 88% | 3068 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 55,825 psi | 86% | 3018 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 57,972 psi | 89% | 3104 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,456 psi | 71% | 2976 fps | 98.5% |
| Rottweil R 902 | <<locked>> | 82% | 56,057 psi | 86% | 2904 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 56,391 psi | 86% | 2953 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 58,407 psi | 89% | 3012 fps | 97.8% |
| Rottweil R 905 | <<locked>> | 96% | 55,332 psi | 85% | 3015 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 88% | 55,695 psi | 85% | 2946 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 90% | 57,435 psi | 88% | 2969 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 57,725 psi | 88% | 2943 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 58,885 psi | 90% | 3009 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 58,073 psi | 89% | 3012 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 58,697 psi | 90% | 2986 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 57,188 psi | 88% | 2835 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 57,188 psi | 88% | 2920 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 58,653 psi | 90% | 3068 fps | 98.9% |
| Somchem S335 | <<locked>> | 82% | 59,030 psi | 90% | 2871 fps | 100% |
| Somchem S355 | <<locked>> | 86% | 56,246 psi | 86% | 2949 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 56,449 psi | 86% | 2943 fps | 96.7% |
| Somchem S365 | <<locked>> | 94% | 57,682 psi | 88% | 3035 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 56,057 psi | 86% | 2989 fps | 99.1% |
| Vihtavuori N135 | <<locked>> | 82% | 56,637 psi | 87% | 2864 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 56,565 psi | 87% | 2877 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 57,566 psi | 88% | 2920 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 56,420 psi | 86% | 2976 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 55,303 psi | 85% | 2959 fps | 98.7% |
| Vihtavuori N540 | <<locked>> | 84% | 58,624 psi | 90% | 2923 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 55,695 psi | 85% | 2979 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 56,956 psi | 87% | 3045 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 57,348 psi | 88% | 3107 fps | 97.3% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 56,159 psi | 86% | 2936 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 57,870 psi | 89% | 3051 fps | 99.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 50,082 psi | 77% | 3081 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,333 psi | 86% | 2986 fps | 98.4% |
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% | 54,273 psi | 83% | 2831 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 51,663 psi | 79% | 2841 fps | 98.3% |
| Accurate 3100 | <<locked>> | 84% | 33,286 psi | 51% | 2539 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 51,445 psi | 79% | 2841 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 39,421 psi | 60% | 2703 fps | 98.6% |
| Accurate High Country | 53.3 gr | 92% | 47,892 psi | 73% | 2959 fps | 95.9% |
| Accurate MAGPRO | <<locked>> | 96% | 52,402 psi | 80% | 3025 fps | 95.5% |
| ADI AR 2208 | <<locked>> | 80% | 48,051 psi | 74% | 2812 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 43,497 psi | 67% | 2799 fps | 95.5% |
| ADI AR 2213 | <<locked>> | 94% | 47,572 psi | 73% | 2907 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 53,751 psi | 82% | 3035 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 43,801 psi | 67% | 2802 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,805 psi | 75% | 2838 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,011 psi | 80% | 2907 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 38,247 psi | 59% | 2713 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,598 psi | 67% | 2841 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 43,308 psi | 66% | 2795 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 90% | 40,901 psi | 63% | 2785 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 28,210 psi | 43% | 2461 fps | 96.6% |
| Alliant Reloder-25 | <<locked>> | 90% | 34,055 psi | 52% | 2644 fps | 96% |
| Alliant Reloder-26 | 49 gr | 82% | 32,532 psi | 50% | 2641 fps | 96.2% |
| Bofors RP15 | <<locked>> | 94% | 43,062 psi | 66% | 2828 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 49,342 psi | 76% | 2848 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 40,901 psi | 63% | 2785 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 43,178 psi | 66% | 2720 fps | 96.6% |
| Hodgdon H380 | <<locked>> | 80% | 49,632 psi | 76% | 2864 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 41,394 psi | 63% | 2753 fps | 96.8% |
| Hodgdon H4350 | <<locked>> | 80% | 44,164 psi | 68% | 2772 fps | 96.2% |
| Hodgdon H4831 | <<locked>> | 94% | 50,865 psi | 78% | 2913 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 94% | 49,966 psi | 77% | 2897 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,839 psi | 55% | 2605 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 54,201 psi | 83% | 2956 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 40,422 psi | 62% | 2844 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 40,509 psi | 62% | 2762 fps | 96.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,383 psi | 42% | 1677 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 54,752 psi | 84% | 2920 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,517 psi | 77% | 2844 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 52,939 psi | 81% | 2881 fps | 99% |
| IMR 4350 | <<locked>> | 80% | 38,856 psi | 60% | 2641 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,614 psi | 68% | 2749 fps | 97.4% |
| IMR 4831 | <<locked>> | 80% | 37,768 psi | 58% | 2654 fps | 98.3% |
| IMR 4895 | <<locked>> | 80% | 53,374 psi | 82% | 2936 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 49,298 psi | 76% | 2851 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 96% | 48,414 psi | 74% | 2936 fps | 95.6% |
| Lovex S060 | <<locked>> | 80% | 55,085 psi | 84% | 2881 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 50,850 psi | 78% | 2841 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 42,235 psi | 65% | 2700 fps | 98.2% |
| Lovex S070 | <<locked>> | 80% | 40,306 psi | 62% | 2677 fps | 96.6% |
| Lovex S071 | <<locked>> | 90% | 34,795 psi | 53% | 2575 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 55,463 psi | 85% | 2907 fps | 100% |
| Norma 203B | <<locked>> | 80% | 51,372 psi | 79% | 2894 fps | 100% |
| Norma 204 | <<locked>> | 84% | 44,092 psi | 68% | 2789 fps | 95.6% |
| Norma MRP | 49.8 gr | 86% | 37,362 psi | 57% | 2733 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 39,030 psi | 60% | 2694 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 80% | 51,982 psi | 80% | 2917 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 45,194 psi | 69% | 2881 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 38,058 psi | 58% | 2684 fps | 96.6% |
| Ramshot Magnum | <<locked>> | 94% | 40,350 psi | 62% | 2756 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,934 psi | 43% | 1716 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,516 psi | 76% | 2844 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,282 psi | 71% | 2897 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,421 psi | 60% | 2723 fps | 98.4% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,927 psi | 58% | 2726 fps | 97.8% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 37,478 psi | 57% | 2762 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 52,634 psi | 81% | 2854 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 46,354 psi | 71% | 2792 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 48,138 psi | 74% | 2838 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 88% | 42,366 psi | 65% | 2776 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 43,178 psi | 66% | 2720 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 42,235 psi | 65% | 2700 fps | 98.2% |
| Shooters World Precision | <<locked>> | 80% | 50,850 psi | 78% | 2841 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,306 psi | 62% | 2677 fps | 96.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 47,747 psi | 73% | 2851 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 55,187 psi | 85% | 2933 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,384 psi | 73% | 2697 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,205 psi | 63% | 2641 fps | 96.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 41,974 psi | 64% | 2772 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 55,811 psi | 86% | 2831 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 46,760 psi | 72% | 2795 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 49,284 psi | 76% | 2825 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 35,694 psi | 55% | 2654 fps | 99.8% |
| Somchem S385 | <<locked>> | 86% | 40,364 psi | 62% | 2703 fps | 95.8% |
| Vihtavuori N135 | <<locked>> | 80% | 53,040 psi | 81% | 2815 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 53,084 psi | 81% | 2828 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 44,454 psi | 68% | 2720 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,451 psi | 62% | 2697 fps | 98.7% |
| Vihtavuori N165 | <<locked>> | 90% | 39,755 psi | 61% | 2680 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 51,561 psi | 79% | 2825 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 40,030 psi | 61% | 2697 fps | 98.5% |
| Vihtavuori N555 | <<locked>> | 80% | 31,314 psi | 48% | 2539 fps | 96.7% |
| Vihtavuori N560 | <<locked>> | 94% | 49,966 psi | 77% | 2982 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,624 psi | 61% | 2661 fps | 99.8% |
| Winchester 760 | <<locked>> | 80% | 41,394 psi | 63% | 2753 fps | 96.8% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,947 psi | 38% | 2425 fps | 95.1% |
| Winchester Supreme 780 | <<locked>> | 90% | 42,438 psi | 65% | 2740 fps | 95.3% |
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 95 powders for .25-06 Rem. loaded with the .257 | 115gr | Speer TBBC. Alliant Reloder-26 delivers the highest muzzle velocity at 3,166 fps; across all powders the maximum-charge window runs from 1,870 fps to 3,166 fps. Accurate 3100 gives the best case fill at 100 %, and 95 of the 95 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 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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, Accurate High Country, Norma MRP rank at the top here: for .25-06 Rem. with the .257 | 115gr | Speer TBBC 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.