Load Specifications
Load data in caliber .264 Win. Mag. with .257 | 115gr | Federal Trophy Bonded bullet and 73 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, Norma MRP and Vihtavuori N560.
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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Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 53,301 psi | 85% | 3146 fps | 99.9% |
| Accurate 4350 | <<locked>> | 86% | 54,578 psi | 88% | 3189 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 55,637 psi | 89% | 3304 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 82% | 55,854 psi | 90% | 3153 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 55,405 psi | 89% | 3245 fps | 99.1% |
| ADI AR 2213 | <<locked>> | 94% | 53,229 psi | 85% | 3245 fps | 98% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 47,659 psi | 76% | 3120 fps | 97.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 42,453 psi | 68% | 3074 fps | 98.7% |
| Alliant Reloder-16 | <<locked>> | 88% | 55,405 psi | 89% | 3251 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 52,736 psi | 85% | 3205 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 55,129 psi | 88% | 3235 fps | 99.1% |
| Alliant Reloder-22 | <<locked>> | 94% | 53,127 psi | 85% | 3241 fps | 99% |
| Alliant Reloder-23 | <<locked>> | 96% | 54,128 psi | 87% | 3215 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 53,577 psi | 86% | 3274 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 54,491 psi | 87% | 3310 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 55,811 psi | 89% | 3284 fps | 99.2% |
| Bofors RP30ᴾ | <<locked>> | 100% | 49,676 psi | 80% | 3202 fps | 97.9% |
| Bofors RP5 | <<locked>> | 94% | 53,127 psi | 85% | 3241 fps | 99% |
| Bofors RP7 | <<locked>> | 84% | 53,679 psi | 86% | 3133 fps | 99.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,591 psi | 84% | 3222 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 86% | 56,289 psi | 90% | 3245 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 84% | 55,506 psi | 89% | 3202 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 92% | 53,127 psi | 85% | 3176 fps | 97.3% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,811 psi | 89% | 3222 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,695 psi | 89% | 3163 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 52,417 psi | 84% | 3343 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 84% | 52,895 psi | 85% | 3219 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,999 psi | 59% | 2037 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 55,100 psi | 88% | 3173 fps | 99.6% |
| IMR 4451 Enduron | <<locked>> | 84% | 55,158 psi | 88% | 3159 fps | 99.7% |
| IMR 4831 | <<locked>> | 88% | 55,056 psi | 88% | 3182 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 54,389 psi | 87% | 3163 fps | 97.7% |
| IMR 7828 SSC | <<locked>> | 96% | 54,578 psi | 88% | 3281 fps | 98.3% |
| Lovex S065 | <<locked>> | 86% | 55,593 psi | 89% | 3156 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 53,925 psi | 86% | 3150 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 54,389 psi | 87% | 3163 fps | 100% |
| Norma 204 | <<locked>> | 88% | 56,173 psi | 90% | 3232 fps | 99.1% |
| Norma 217ᴾ | <<locked>> | 100% | 37,942 psi | 61% | 2989 fps | 96.7% |
| Norma MRP | <<locked>> | 92% | 52,982 psi | 85% | 3264 fps | 99.7% |
| Norma URP | <<locked>> | 86% | 53,185 psi | 85% | 3173 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 55,361 psi | 89% | 3301 fps | 98.7% |
| Ramshot Hunter | <<locked>> | 88% | 55,608 psi | 89% | 3232 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 53,795 psi | 86% | 3228 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,695 psi | 60% | 2083 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 56,057 psi | 90% | 3251 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 54,665 psi | 88% | 3212 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 52,852 psi | 85% | 3241 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 53,287 psi | 85% | 3343 fps | 100% |
| Rottweil R 903 | <<locked>> | 82% | 54,839 psi | 88% | 3140 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 53,084 psi | 85% | 3150 fps | 97.9% |
| Rottweil R 905 | <<locked>> | 92% | 54,476 psi | 87% | 3222 fps | 99.1% |
| Rottweil R 907 | <<locked>> | 84% | 53,679 psi | 86% | 3133 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 86% | 55,593 psi | 89% | 3156 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 53,925 psi | 86% | 3150 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 56,318 psi | 90% | 3199 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 54,853 psi | 88% | 3005 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 54,969 psi | 88% | 3104 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 54,041 psi | 87% | 3215 fps | 99% |
| Somchem S355 | <<locked>> | 82% | 54,563 psi | 87% | 3130 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 54,853 psi | 88% | 3140 fps | 97.6% |
| Somchem S365 | <<locked>> | 88% | 53,258 psi | 85% | 3173 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 54,926 psi | 88% | 3189 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 84% | 55,695 psi | 89% | 3100 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 54,911 psi | 88% | 3163 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 54,636 psi | 88% | 3166 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 86% | 54,230 psi | 87% | 3169 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 52,837 psi | 85% | 3189 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 52,895 psi | 85% | 3255 fps | 97.5% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 56,405 psi | 90% | 3294 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 54,404 psi | 87% | 3114 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 52,910 psi | 85% | 3189 fps | 99.6% |
| Winchester StaBALL HD | <<locked>> | 98% | 55,593 psi | 89% | 3363 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 55,100 psi | 88% | 3186 fps | 99.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 32,938 psi | 53% | 2717 fps | 96.2% |
| Accurate 4350 | <<locked>> | 80% | 44,280 psi | 71% | 3005 fps | 99.8% |
| Accurate MAGPRO | <<locked>> | 90% | 48,138 psi | 77% | 3163 fps | 95.7% |
| ADI AR 2208 | <<locked>> | 80% | 52,504 psi | 84% | 3097 fps | 100% |
| ADI AR 2209 | <<locked>> | 82% | 39,653 psi | 64% | 2923 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 88% | 43,381 psi | 70% | 3038 fps | 95.4% |
| ADI AR 2217 | <<locked>> | 96% | 41,597 psi | 67% | 2986 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 94% | 34,838 psi | 56% | 2867 fps | 95.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 42,380 psi | 68% | 3012 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 49,153 psi | 79% | 3146 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 82% | 39,639 psi | 64% | 2917 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 84% | 37,811 psi | 61% | 2913 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,705 psi | 51% | 2753 fps | 99% |
| Alliant Reloder-25 | <<locked>> | 82% | 29,573 psi | 47% | 2700 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,534 psi | 55% | 2894 fps | 98.2% |
| Bofors RP15 | <<locked>> | 88% | 40,059 psi | 64% | 2966 fps | 95.8% |
| Bofors RP30 | <<locked>> | 94% | 40,277 psi | 65% | 3002 fps | 95.3% |
| Bofors RP5 | <<locked>> | 84% | 37,811 psi | 61% | 2913 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 47,166 psi | 76% | 3009 fps | 98.5% |
| Hodgdon H1000 | <<locked>> | 92% | 40,045 psi | 64% | 2953 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 80% | 46,180 psi | 74% | 3058 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 80% | 48,573 psi | 78% | 3074 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 88% | 46,427 psi | 74% | 3048 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 88% | 45,513 psi | 73% | 3025 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,118 psi | 64% | 2887 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 37,449 psi | 60% | 2986 fps | 95.6% |
| Hodgdon Superformance | <<locked>> | 80% | 45,513 psi | 73% | 3077 fps | 98.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,601 psi | 44% | 1821 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 42,859 psi | 69% | 2936 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 48,631 psi | 78% | 3041 fps | 99.1% |
| IMR 4831 | <<locked>> | 80% | 42,279 psi | 68% | 2946 fps | 99.7% |
| IMR 4955 Enduron | <<locked>> | 86% | 45,063 psi | 72% | 2982 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 90% | 44,614 psi | 72% | 3081 fps | 96% |
| Lovex S065 | <<locked>> | 80% | 46,282 psi | 74% | 2989 fps | 99.5% |
| Lovex S070 | <<locked>> | 80% | 44,614 psi | 72% | 2972 fps | 98.6% |
| Lovex S071 | <<locked>> | 82% | 30,356 psi | 49% | 2641 fps | 95% |
| Norma 204 | <<locked>> | 80% | 42,670 psi | 68% | 2969 fps | 96.4% |
| Norma 217 | <<locked>> | 98% | 35,520 psi | 57% | 2920 fps | 95.6% |
| Norma MRP | 56.4 gr | 80% | 34,403 psi | 55% | 2851 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 43,685 psi | 70% | 2995 fps | 99.7% |
| Ramshot Grand | <<locked>> | 88% | 41,336 psi | 66% | 3015 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 42,453 psi | 68% | 2982 fps | 98.7% |
| Ramshot Magnum | <<locked>> | 88% | 36,883 psi | 59% | 2881 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,282 psi | 45% | 1867 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 52,156 psi | 84% | 3192 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,251 psi | 71% | 3025 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 42,627 psi | 68% | 3041 fps | 99.6% |
| ReloadSwiss RS 76 | <<locked>> | 88% | 34,490 psi | 55% | 2894 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 80% | 51,445 psi | 82% | 3084 fps | 100% |
| Rottweil R 904 | <<locked>> | 84% | 43,743 psi | 70% | 2963 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 82% | 38,928 psi | 62% | 2900 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 47,166 psi | 76% | 3009 fps | 98.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,282 psi | 74% | 2989 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 80% | 44,614 psi | 72% | 2972 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 52,678 psi | 84% | 3143 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 51,517 psi | 83% | 2953 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,324 psi | 73% | 2927 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 82% | 38,580 psi | 62% | 2897 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 51,271 psi | 82% | 3077 fps | 100% |
| Somchem S361 | <<locked>> | 84% | 44,744 psi | 72% | 2946 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 40,582 psi | 65% | 2946 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 36,898 psi | 59% | 2818 fps | 95.8% |
| Vihtavuori N150 | <<locked>> | 80% | 49,124 psi | 79% | 2995 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 44,918 psi | 72% | 2986 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 84% | 36,448 psi | 58% | 2799 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 44,411 psi | 71% | 2989 fps | 99.7% |
| Vihtavuori N555 | <<locked>> | 80% | 35,534 psi | 57% | 2835 fps | 98.9% |
| Vihtavuori N560 | 62 gr | 88% | 45,803 psi | 73% | 3114 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 92% | 42,699 psi | 68% | 3025 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,266 psi | 71% | 2946 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,180 psi | 74% | 3058 fps | 98.8% |
| Winchester StaBALL HD | 55.8 gr | 80% | 28,137 psi | 45% | 2749 fps | 98.9% |
| Winchester Supreme 780 | <<locked>> | 84% | 38,667 psi | 62% | 2861 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 73 powders for .264 Win. Mag. loaded with the .257 | 115gr | Federal Trophy Bonded. Winchester StaBALL HD delivers the highest muzzle velocity at 3,363 fps; across all powders the maximum-charge window runs from 2,037 fps to 3,363 fps. ADI AR 2217 gives the best case fill at 100 %, and 73 of the 73 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 115.0 gr projectile in 0.264" calls for a 1:7.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Winchester StaBALL HD, Norma MRP, Vihtavuori N560 rank at the top here: for .264 Win. Mag. with the .257 | 115gr | Federal Trophy Bonded 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.