Load Specifications
Bullet:.257 | 110gr | Hornady ELD-X
Bullet Manufacturer:Hornady
Bullet Weight:110 gr
Bullet Diameter:0.257"
Bullet Length:<<locked>>
Caliber:.257 Weath. Mag. load data
Case Length (l3):2.549"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:84 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:26"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:9.0
Load data in caliber .257 Weath. Mag. with .257 | 110gr | Hornady ELD-X bullet and 216 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Winchester StaBALL HD and ReloadSwiss RS 76.
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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 55,521 psi | 87% | 3202 fps | 100% |
| Accurate 3100 | <<locked>> | 92% | 54,984 psi | 86% | 3192 fps | 100% |
| Accurate 3100 | <<locked>> | 92% | 55,564 psi | 87% | 3202 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 56,463 psi | 88% | 3238 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 55,811 psi | 87% | 3228 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 56,463 psi | 88% | 3238 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 57,305 psi | 90% | 3373 fps | 99.2% |
| Accurate High Country | <<locked>> | 90% | 56,710 psi | 89% | 3360 fps | 99.1% |
| Accurate High Country | <<locked>> | 90% | 57,029 psi | 89% | 3366 fps | 99.2% |
| Accurate MAGPRO | <<locked>> | 90% | 54,259 psi | 85% | 3301 fps | 97.9% |
| Accurate MAGPRO | <<locked>> | 92% | 57,725 psi | 90% | 3363 fps | 98.4% |
| Accurate MAGPRO | <<locked>> | 90% | 54,302 psi | 85% | 3304 fps | 97.9% |
| ADI AR 2209 | <<locked>> | 90% | 57,406 psi | 90% | 3304 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 90% | 56,840 psi | 89% | 3294 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 90% | 57,145 psi | 90% | 3301 fps | 99.6% |
| ADI AR 2213 | <<locked>> | 92% | 55,172 psi | 86% | 3304 fps | 98.9% |
| ADI AR 2213 | <<locked>> | 92% | 54,636 psi | 86% | 3294 fps | 98.8% |
| ADI AR 2213 | <<locked>> | 92% | 55,216 psi | 87% | 3307 fps | 98.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 53,388 psi | 84% | 3264 fps | 98.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 52,924 psi | 83% | 3251 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 53,432 psi | 84% | 3261 fps | 98.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 47,848 psi | 75% | 3219 fps | 99.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 47,427 psi | 74% | 3205 fps | 99.9% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 47,877 psi | 75% | 3215 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 57,450 psi | 90% | 3297 fps | 99.7% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 56,927 psi | 89% | 3287 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 57,493 psi | 90% | 3297 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 86% | 57,305 psi | 90% | 3301 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 86% | 56,927 psi | 89% | 3291 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 86% | 57,305 psi | 90% | 3297 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 56,768 psi | 89% | 3287 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 90% | 56,246 psi | 88% | 3278 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 90% | 56,797 psi | 89% | 3287 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 55,448 psi | 87% | 3301 fps | 99.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 54,882 psi | 86% | 3291 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 92% | 55,434 psi | 87% | 3301 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 56,927 psi | 89% | 3271 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 94% | 56,376 psi | 88% | 3261 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 94% | 56,971 psi | 89% | 3271 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 56,666 psi | 89% | 3340 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 56,101 psi | 88% | 3333 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 56,652 psi | 89% | 3340 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 53,403 psi | 84% | 3301 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 57,203 psi | 90% | 3360 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 57,522 psi | 90% | 3366 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 56,623 psi | 89% | 3258 fps | 96.8% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 56,260 psi | 88% | 3248 fps | 96.6% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 56,623 psi | 89% | 3258 fps | 96.8% |
| Bofors RP15 | <<locked>> | 94% | 54,650 psi | 86% | 3287 fps | 99.5% |
| Bofors RP15 | <<locked>> | 94% | 54,085 psi | 85% | 3274 fps | 99.4% |
| Bofors RP15 | <<locked>> | 94% | 54,621 psi | 86% | 3284 fps | 99.4% |
| Bofors RP30ᴾ | <<locked>> | 100% | 56,246 psi | 88% | 3337 fps | 99.4% |
| Bofors RP30ᴾ | <<locked>> | 100% | 55,651 psi | 87% | 3327 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 56,217 psi | 88% | 3337 fps | 99.4% |
| Bofors RP5 | <<locked>> | 92% | 55,448 psi | 87% | 3301 fps | 99.6% |
| Bofors RP5 | <<locked>> | 92% | 54,882 psi | 86% | 3291 fps | 99.5% |
| Bofors RP5 | <<locked>> | 92% | 55,434 psi | 87% | 3301 fps | 99.6% |
| Bofors RP7 | <<locked>> | 82% | 54,578 psi | 86% | 3176 fps | 99.8% |
| Bofors RP7 | <<locked>> | 82% | 54,273 psi | 85% | 3169 fps | 99.7% |
| Bofors RP7 | <<locked>> | 82% | 54,607 psi | 86% | 3179 fps | 99.8% |
| Hodgdon H1000 | <<locked>> | 98% | 54,911 psi | 86% | 3294 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 98% | 54,404 psi | 85% | 3284 fps | 99.4% |
| Hodgdon H1000 | <<locked>> | 98% | 54,911 psi | 86% | 3294 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 82% | 54,273 psi | 85% | 3235 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 84% | 57,551 psi | 90% | 3291 fps | 100% |
| Hodgdon H414 | <<locked>> | 82% | 54,259 psi | 85% | 3235 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 56,594 psi | 89% | 3248 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 82% | 56,246 psi | 88% | 3241 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 82% | 56,594 psi | 89% | 3251 fps | 99.7% |
| Hodgdon H4831 | <<locked>> | 90% | 54,911 psi | 86% | 3235 fps | 98.3% |
| Hodgdon H4831 | <<locked>> | 90% | 54,404 psi | 85% | 3225 fps | 98.2% |
| Hodgdon H4831 | <<locked>> | 90% | 54,940 psi | 86% | 3235 fps | 98.3% |
| Hodgdon H4831 SC | <<locked>> | 92% | 57,609 psi | 90% | 3284 fps | 98.7% |
| Hodgdon H4831 SC | <<locked>> | 92% | 57,072 psi | 89% | 3271 fps | 98.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 57,653 psi | 90% | 3281 fps | 98.7% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 57,653 psi | 90% | 3212 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 57,043 psi | 89% | 3202 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 57,653 psi | 90% | 3212 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 55,361 psi | 87% | 3419 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 54,824 psi | 86% | 3409 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 55,390 psi | 87% | 3422 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 54,592 psi | 86% | 3268 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 82% | 54,288 psi | 85% | 3261 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 82% | 54,636 psi | 86% | 3268 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,159 psi | 58% | 2080 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,275 psi | 58% | 2080 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,159 psi | 58% | 2080 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 56,565 psi | 89% | 3222 fps | 99.9% |
| IMR 4350 | <<locked>> | 86% | 56,043 psi | 88% | 3212 fps | 99.9% |
| IMR 4350 | <<locked>> | 86% | 56,318 psi | 88% | 3219 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 56,014 psi | 88% | 3202 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 55,695 psi | 87% | 3196 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 82% | 56,014 psi | 88% | 3202 fps | 99.9% |
| IMR 4831 | <<locked>> | 86% | 56,724 psi | 89% | 3228 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 56,391 psi | 88% | 3222 fps | 100% |
| IMR 4831 | <<locked>> | 86% | 56,768 psi | 89% | 3228 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,869 psi | 88% | 3219 fps | 98.5% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,361 psi | 87% | 3212 fps | 98.4% |
| IMR 4955 Enduron | <<locked>> | 90% | 55,651 psi | 87% | 3215 fps | 98.5% |
| IMR 7828 SSC | <<locked>> | 94% | 57,087 psi | 89% | 3346 fps | 99.2% |
| IMR 7828 SSC | <<locked>> | 94% | 56,507 psi | 89% | 3337 fps | 99.1% |
| IMR 7828 SSC | <<locked>> | 94% | 57,130 psi | 90% | 3350 fps | 99.2% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 43,337 psi | 68% | 3107 fps | 96.9% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 42,873 psi | 67% | 3097 fps | 96.7% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 43,366 psi | 68% | 3107 fps | 96.9% |
| Lovex S065 | <<locked>> | 84% | 56,811 psi | 89% | 3202 fps | 100% |
| Lovex S065 | <<locked>> | 84% | 56,521 psi | 89% | 3196 fps | 100% |
| Lovex S065 | <<locked>> | 84% | 56,840 psi | 89% | 3202 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 55,013 psi | 86% | 3196 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 54,708 psi | 86% | 3189 fps | 99.9% |
| Lovex S070 | <<locked>> | 84% | 55,042 psi | 86% | 3196 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 56,869 psi | 89% | 3222 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 56,304 psi | 88% | 3215 fps | 100% |
| Lovex S071 | <<locked>> | 98% | 56,913 psi | 89% | 3225 fps | 100% |
| Norma 204 | <<locked>> | 84% | 53,853 psi | 84% | 3219 fps | 99.2% |
| Norma 204 | <<locked>> | 86% | 57,232 psi | 90% | 3278 fps | 99.5% |
| Norma 204 | <<locked>> | 84% | 53,882 psi | 84% | 3219 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 43,758 psi | 69% | 3140 fps | 98.9% |
| Norma 217ᴾ | <<locked>> | 100% | 43,265 psi | 68% | 3130 fps | 98.8% |
| Norma 217ᴾ | <<locked>> | 100% | 43,787 psi | 69% | 3140 fps | 98.9% |
| Norma MRP | <<locked>> | 90% | 55,535 psi | 87% | 3327 fps | 100% |
| Norma MRP | <<locked>> | 90% | 54,998 psi | 86% | 3317 fps | 100% |
| Norma MRP | <<locked>> | 90% | 55,317 psi | 87% | 3323 fps | 100% |
| Norma URP | <<locked>> | 84% | 54,621 psi | 86% | 3215 fps | 100% |
| Norma URP | <<locked>> | 84% | 54,259 psi | 85% | 3209 fps | 100% |
| Norma URP | <<locked>> | 84% | 54,592 psi | 86% | 3215 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 54,085 psi | 85% | 3304 fps | 99% |
| Ramshot Grand | <<locked>> | 94% | 57,551 psi | 90% | 3363 fps | 99.4% |
| Ramshot Grand | <<locked>> | 92% | 54,099 psi | 85% | 3304 fps | 99% |
| Ramshot Hunter | <<locked>> | 86% | 57,435 psi | 90% | 3284 fps | 100% |
| Ramshot Hunter | <<locked>> | 86% | 56,884 psi | 89% | 3274 fps | 100% |
| Ramshot Hunter | <<locked>> | 86% | 57,464 psi | 90% | 3284 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 56,826 psi | 89% | 3297 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 56,246 psi | 88% | 3287 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 96% | 56,797 psi | 89% | 3297 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,101 psi | 60% | 2129 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,014 psi | 60% | 2126 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,101 psi | 60% | 2129 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 56,492 psi | 89% | 3261 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 56,202 psi | 88% | 3255 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 56,521 psi | 89% | 3261 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 54,824 psi | 86% | 3287 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 54,505 psi | 85% | 3281 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 54,824 psi | 86% | 3291 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 56,478 psi | 89% | 3415 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 55,956 psi | 88% | 3406 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 56,521 psi | 89% | 3415 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 55,666 psi | 87% | 3360 fps | 98.4% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 55,216 psi | 87% | 3350 fps | 98.3% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 55,709 psi | 87% | 3363 fps | 98.4% |
| Rottweil R 904 | <<locked>> | 88% | 54,549 psi | 85% | 3202 fps | 98.7% |
| Rottweil R 904 | <<locked>> | 88% | 54,259 psi | 85% | 3199 fps | 98.6% |
| Rottweil R 904 | <<locked>> | 88% | 54,578 psi | 86% | 3205 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 90% | 56,333 psi | 88% | 3278 fps | 99.6% |
| Rottweil R 905 | <<locked>> | 90% | 56,014 psi | 88% | 3271 fps | 99.6% |
| Rottweil R 905 | <<locked>> | 90% | 56,362 psi | 88% | 3274 fps | 99.6% |
| Rottweil R 907 | <<locked>> | 82% | 54,578 psi | 86% | 3176 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 82% | 54,273 psi | 85% | 3169 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 82% | 54,607 psi | 86% | 3179 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,811 psi | 89% | 3202 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,521 psi | 89% | 3196 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 84% | 56,840 psi | 89% | 3202 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 55,013 psi | 86% | 3196 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 54,708 psi | 86% | 3189 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 84% | 55,042 psi | 86% | 3196 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,956 psi | 88% | 3150 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,680 psi | 87% | 3143 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 55,941 psi | 88% | 3150 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,898 psi | 88% | 3271 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,637 psi | 87% | 3264 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 55,927 psi | 88% | 3271 fps | 99.6% |
| Somchem S361 | <<locked>> | 88% | 56,101 psi | 88% | 3192 fps | 98.4% |
| Somchem S361 | <<locked>> | 88% | 55,898 psi | 88% | 3186 fps | 98.4% |
| Somchem S361 | <<locked>> | 88% | 56,130 psi | 88% | 3192 fps | 98.4% |
| Somchem S365 | <<locked>> | 86% | 55,608 psi | 87% | 3222 fps | 100% |
| Somchem S365 | <<locked>> | 86% | 54,984 psi | 86% | 3212 fps | 100% |
| Somchem S365 | <<locked>> | 86% | 55,361 psi | 87% | 3219 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 56,927 psi | 89% | 3248 fps | 99.9% |
| Somchem S385 | <<locked>> | 90% | 56,405 psi | 88% | 3235 fps | 99.9% |
| Somchem S385 | <<locked>> | 90% | 56,927 psi | 89% | 3245 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 82% | 56,739 psi | 89% | 3136 fps | 100% |
| Vihtavuori N150 | <<locked>> | 82% | 56,376 psi | 88% | 3130 fps | 100% |
| Vihtavuori N150 | <<locked>> | 82% | 56,782 psi | 89% | 3136 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 56,405 psi | 88% | 3209 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 55,811 psi | 87% | 3199 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 56,434 psi | 88% | 3209 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 56,565 psi | 89% | 3222 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 94% | 56,028 psi | 88% | 3212 fps | 99.8% |
| Vihtavuori N165 | <<locked>> | 94% | 56,550 psi | 89% | 3222 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 84% | 55,709 psi | 87% | 3212 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 55,158 psi | 86% | 3202 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 55,738 psi | 87% | 3215 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 55,405 psi | 87% | 3245 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 54,824 psi | 86% | 3235 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 55,448 psi | 87% | 3245 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 55,216 psi | 87% | 3320 fps | 98.5% |
| Vihtavuori N560 | <<locked>> | 90% | 54,665 psi | 86% | 3310 fps | 98.4% |
| Vihtavuori N560 | <<locked>> | 90% | 54,969 psi | 86% | 3317 fps | 98.5% |
| Vihtavuori N565 | <<locked>> | 96% | 55,492 psi | 87% | 3297 fps | 98.8% |
| Vihtavuori N565 | <<locked>> | 96% | 54,998 psi | 86% | 3291 fps | 98.7% |
| Vihtavuori N565 | <<locked>> | 96% | 55,535 psi | 87% | 3301 fps | 98.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 56,405 psi | 88% | 3363 fps | 98% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 55,898 psi | 88% | 3353 fps | 97.9% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 56,449 psi | 88% | 3366 fps | 98% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 55,999 psi | 88% | 3156 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 55,492 psi | 87% | 3146 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 56,028 psi | 88% | 3156 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 54,273 psi | 85% | 3235 fps | 99.9% |
| Winchester 760 | <<locked>> | 84% | 57,551 psi | 90% | 3291 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 54,259 psi | 85% | 3235 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 94% | 55,622 psi | 87% | 3363 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 54,911 psi | 86% | 3353 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 55,579 psi | 87% | 3360 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 56,898 psi | 89% | 3241 fps | 99.6% |
| Winchester Supreme 780 | <<locked>> | 92% | 56,420 psi | 88% | 3232 fps | 99.6% |
| Winchester Supreme 780 | <<locked>> | 92% | 56,927 psi | 89% | 3241 fps | 99.6% |
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% | 36,970 psi | 58% | 2835 fps | 98.1% |
| Accurate 3100 | <<locked>> | 80% | 36,492 psi | 57% | 2822 fps | 97.9% |
| Accurate 3100 | <<locked>> | 80% | 36,811 psi | 58% | 2831 fps | 98% |
| Accurate 4350 | <<locked>> | 80% | 49,284 psi | 77% | 3117 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 48,646 psi | 76% | 3104 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 49,023 psi | 77% | 3114 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 40,103 psi | 63% | 3015 fps | 95.4% |
| Accurate High Country | <<locked>> | 80% | 39,798 psi | 62% | 3005 fps | 95.2% |
| Accurate High Country | <<locked>> | 80% | 40,103 psi | 63% | 3015 fps | 95.4% |
| Accurate MAGPRO | <<locked>> | 84% | 43,743 psi | 69% | 3084 fps | 95.2% |
| Accurate MAGPRO | <<locked>> | 84% | 43,250 psi | 68% | 3074 fps | 95% |
| Accurate MAGPRO | <<locked>> | 84% | 43,772 psi | 69% | 3087 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 40,930 psi | 64% | 2976 fps | 96.8% |
| ADI AR 2209 | <<locked>> | 80% | 40,422 psi | 63% | 2966 fps | 96.6% |
| ADI AR 2209 | <<locked>> | 80% | 40,741 psi | 64% | 2972 fps | 96.7% |
| ADI AR 2213 | <<locked>> | 84% | 41,843 psi | 66% | 3028 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 84% | 41,553 psi | 65% | 3022 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 84% | 41,858 psi | 66% | 3031 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 92% | 40,567 psi | 64% | 2989 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 92% | 40,161 psi | 63% | 2979 fps | 95.5% |
| ADI AR 2217 | <<locked>> | 92% | 40,596 psi | 64% | 2989 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 88% | 32,082 psi | 50% | 2808 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 88% | 31,879 psi | 50% | 2799 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 88% | 32,082 psi | 50% | 2808 fps | 95.4% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 41,365 psi | 65% | 2979 fps | 96.9% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 40,872 psi | 64% | 2966 fps | 96.7% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 41,176 psi | 65% | 2976 fps | 96.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,963 psi | 74% | 3120 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,586 psi | 73% | 3114 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 46,992 psi | 74% | 3120 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,988 psi | 64% | 2969 fps | 96.8% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,495 psi | 63% | 2959 fps | 96.6% |
| Alliant Reloder-19 | <<locked>> | 80% | 40,799 psi | 64% | 2966 fps | 96.8% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,840 psi | 58% | 2904 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,535 psi | 57% | 2897 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,869 psi | 58% | 2904 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,389 psi | 55% | 2861 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,056 psi | 55% | 2854 fps | 99.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,404 psi | 55% | 2861 fps | 99.9% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,821 psi | 48% | 2762 fps | 96.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,443 psi | 48% | 2749 fps | 96.4% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,705 psi | 48% | 2759 fps | 96.6% |
| Alliant Reloder-26 | <<locked>> | 80% | 39,378 psi | 62% | 3025 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 80% | 38,870 psi | 61% | 3012 fps | 99.5% |
| Alliant Reloder-26 | <<locked>> | 80% | 39,407 psi | 62% | 3022 fps | 99.6% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 50,111 psi | 79% | 3133 fps | 95.1% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 52,779 psi | 83% | 3186 fps | 95.8% |
| Baschieri & Pellagri 109 | <<locked>> | 90% | 49,922 psi | 78% | 3130 fps | 95.1% |
| Bofors RP15 | <<locked>> | 82% | 36,579 psi | 57% | 2894 fps | 95.2% |
| Bofors RP15 | <<locked>> | 82% | 36,245 psi | 57% | 2887 fps | 95.1% |
| Bofors RP15 | <<locked>> | 82% | 36,593 psi | 57% | 2894 fps | 95.2% |
| Bofors RP30 | <<locked>> | 90% | 39,900 psi | 63% | 3009 fps | 95.9% |
| Bofors RP30 | <<locked>> | 90% | 39,407 psi | 62% | 2995 fps | 95.6% |
| Bofors RP30 | <<locked>> | 90% | 39,900 psi | 63% | 3005 fps | 95.8% |
| Bofors RP5 | <<locked>> | 80% | 36,840 psi | 58% | 2904 fps | 95.5% |
| Bofors RP5 | <<locked>> | 80% | 36,535 psi | 57% | 2897 fps | 95.3% |
| Bofors RP5 | <<locked>> | 80% | 36,869 psi | 58% | 2904 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 51,169 psi | 80% | 3117 fps | 99.5% |
| Bofors RP7 | <<locked>> | 80% | 50,850 psi | 80% | 3110 fps | 99.4% |
| Bofors RP7 | <<locked>> | 80% | 51,198 psi | 80% | 3117 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 88% | 38,769 psi | 61% | 2946 fps | 95.7% |
| Hodgdon H1000 | <<locked>> | 88% | 38,319 psi | 60% | 2936 fps | 95.5% |
| Hodgdon H1000 | <<locked>> | 88% | 38,754 psi | 61% | 2946 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 50,618 psi | 79% | 3166 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 50,256 psi | 79% | 3163 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 50,633 psi | 79% | 3169 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 80% | 53,055 psi | 83% | 3186 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 52,750 psi | 83% | 3179 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 80% | 53,084 psi | 83% | 3186 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 82% | 41,800 psi | 66% | 2972 fps | 95.1% |
| Hodgdon H4831 | <<locked>> | 84% | 44,425 psi | 70% | 3028 fps | 95.8% |
| Hodgdon H4831 | <<locked>> | 82% | 41,800 psi | 66% | 2969 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,859 psi | 69% | 3015 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,569 psi | 68% | 3009 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 84% | 43,888 psi | 69% | 3018 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 44,222 psi | 69% | 2989 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,874 psi | 69% | 2979 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 44,251 psi | 69% | 2989 fps | 100% |
| Hodgdon Retumbo | 59.5 gr | 84% | 34,360 psi | 54% | 2917 fps | 95% |
| Hodgdon Retumbo | 60.9 gr | 86% | 36,477 psi | 57% | 2982 fps | 96% |
| Hodgdon Retumbo | 59.5 gr | 84% | 34,374 psi | 54% | 2920 fps | 95% |
| Hodgdon Superformance | <<locked>> | 80% | 50,850 psi | 80% | 3202 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 80% | 50,285 psi | 79% | 3189 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 80% | 50,821 psi | 80% | 3202 fps | 99.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,905 psi | 44% | 1864 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,963 psi | 44% | 1864 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,905 psi | 44% | 1864 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,731 psi | 73% | 3041 fps | 99% |
| IMR 4350 | <<locked>> | 80% | 46,224 psi | 72% | 3031 fps | 98.9% |
| IMR 4350 | <<locked>> | 80% | 46,557 psi | 73% | 3038 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,562 psi | 82% | 3143 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,257 psi | 82% | 3136 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 52,591 psi | 82% | 3143 fps | 99.8% |
| IMR 4831 | <<locked>> | 80% | 46,601 psi | 73% | 3051 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 46,267 psi | 73% | 3045 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 46,630 psi | 73% | 3054 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 43,323 psi | 68% | 2972 fps | 95.8% |
| IMR 4955 Enduron | <<locked>> | 82% | 42,873 psi | 67% | 2959 fps | 95.6% |
| IMR 4955 Enduron | <<locked>> | 82% | 43,149 psi | 68% | 2969 fps | 95.7% |
| IMR 7828 SSC | <<locked>> | 84% | 40,306 psi | 63% | 3002 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 84% | 40,016 psi | 63% | 2995 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 84% | 40,306 psi | 63% | 3002 fps | 95.3% |
| IMR 8133 Enduron | <<locked>> | 98% | 40,422 psi | 63% | 3038 fps | 95.9% |
| IMR 8133 Enduron | <<locked>> | 98% | 39,958 psi | 63% | 3025 fps | 95.7% |
| IMR 8133 Enduron | <<locked>> | 98% | 40,451 psi | 63% | 3038 fps | 95.9% |
| Lovex S065 | <<locked>> | 80% | 50,082 psi | 78% | 3087 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 49,748 psi | 78% | 3077 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 50,082 psi | 78% | 3087 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 48,457 psi | 76% | 3077 fps | 99.6% |
| Lovex S070 | <<locked>> | 80% | 48,138 psi | 75% | 3068 fps | 99.5% |
| Lovex S070 | <<locked>> | 80% | 48,428 psi | 76% | 3077 fps | 99.6% |
| Lovex S071 | <<locked>> | 80% | 31,763 psi | 50% | 2697 fps | 96.3% |
| Lovex S071 | <<locked>> | 80% | 31,459 psi | 49% | 2687 fps | 96.1% |
| Lovex S071 | <<locked>> | 80% | 31,763 psi | 50% | 2697 fps | 96.3% |
| Norma 204 | <<locked>> | 80% | 46,978 psi | 74% | 3087 fps | 98.1% |
| Norma 204 | <<locked>> | 80% | 46,673 psi | 73% | 3081 fps | 98% |
| Norma 204 | <<locked>> | 80% | 46,978 psi | 74% | 3084 fps | 98.1% |
| Norma 217 | <<locked>> | 92% | 33,112 psi | 52% | 2864 fps | 95.3% |
| Norma 217 | <<locked>> | 92% | 32,837 psi | 51% | 2858 fps | 95.1% |
| Norma 217 | <<locked>> | 92% | 33,098 psi | 52% | 2864 fps | 95.3% |
| Norma MRP | <<locked>> | 80% | 38,667 psi | 61% | 2979 fps | 97.6% |
| Norma MRP | <<locked>> | 80% | 38,348 psi | 60% | 2972 fps | 97.5% |
| Norma MRP | <<locked>> | 80% | 38,682 psi | 61% | 2982 fps | 97.6% |
| Norma URP | <<locked>> | 80% | 47,834 psi | 75% | 3094 fps | 100% |
| Norma URP | <<locked>> | 80% | 47,485 psi | 74% | 3091 fps | 100% |
| Norma URP | <<locked>> | 80% | 47,863 psi | 75% | 3097 fps | 100% |
| Ramshot Grand | <<locked>> | 84% | 40,118 psi | 63% | 3012 fps | 95.7% |
| Ramshot Grand | <<locked>> | 84% | 39,827 psi | 62% | 3002 fps | 95.5% |
| Ramshot Grand | <<locked>> | 84% | 40,132 psi | 63% | 3012 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 46,876 psi | 73% | 3094 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 80% | 46,586 psi | 73% | 3087 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 80% | 46,905 psi | 74% | 3094 fps | 99.7% |
| Ramshot Magnum | <<locked>> | 82% | 33,489 psi | 52% | 2805 fps | 95.1% |
| Ramshot Magnum | <<locked>> | 84% | 35,636 psi | 56% | 2864 fps | 96% |
| Ramshot Magnum | <<locked>> | 82% | 33,460 psi | 52% | 2805 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,616 psi | 45% | 1909 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,485 psi | 45% | 1906 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,631 psi | 45% | 1909 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 49,298 psi | 77% | 3140 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 48,776 psi | 76% | 3130 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 49,095 psi | 77% | 3133 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,340 psi | 74% | 3156 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,021 psi | 74% | 3150 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,369 psi | 74% | 3156 fps | 100% |
| ReloadSwiss RS 76 | 63.7 gr | 84% | 33,663 psi | 53% | 2890 fps | 96.1% |
| ReloadSwiss RS 76 | 63.7 gr | 84% | 33,257 psi | 52% | 2877 fps | 95.8% |
| ReloadSwiss RS 76 | 63.7 gr | 84% | 33,649 psi | 53% | 2890 fps | 96.1% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 44,048 psi | 69% | 3130 fps | 95.6% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 43,569 psi | 68% | 3120 fps | 95.4% |
| ReloadSwiss RS 80 | <<locked>> | 94% | 44,034 psi | 69% | 3130 fps | 95.6% |
| Rottweil R 904 | <<locked>> | 80% | 42,163 psi | 66% | 2956 fps | 96% |
| Rottweil R 904 | <<locked>> | 80% | 41,872 psi | 66% | 2946 fps | 95.9% |
| Rottweil R 904 | <<locked>> | 80% | 42,192 psi | 66% | 2953 fps | 96% |
| Rottweil R 905 | <<locked>> | 80% | 40,234 psi | 63% | 2953 fps | 96.8% |
| Rottweil R 905 | <<locked>> | 80% | 39,914 psi | 63% | 2946 fps | 96.6% |
| Rottweil R 905 | <<locked>> | 80% | 40,248 psi | 63% | 2953 fps | 96.8% |
| Rottweil R 907 | <<locked>> | 80% | 51,169 psi | 80% | 3117 fps | 99.5% |
| Rottweil R 907 | <<locked>> | 80% | 50,850 psi | 80% | 3110 fps | 99.4% |
| Rottweil R 907 | <<locked>> | 80% | 51,198 psi | 80% | 3117 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,082 psi | 78% | 3087 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,748 psi | 78% | 3077 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,082 psi | 78% | 3087 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 48,457 psi | 76% | 3077 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 80% | 48,138 psi | 75% | 3068 fps | 99.5% |
| Shooters World SW4350 | <<locked>> | 80% | 48,428 psi | 76% | 3077 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,153 psi | 77% | 3031 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,892 psi | 77% | 3025 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,197 psi | 77% | 3031 fps | 99.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,900 psi | 63% | 2946 fps | 96.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,581 psi | 62% | 2940 fps | 96.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 39,914 psi | 63% | 2949 fps | 96.7% |
| Somchem S361 | <<locked>> | 80% | 42,888 psi | 67% | 2936 fps | 95.4% |
| Somchem S361 | <<locked>> | 80% | 42,627 psi | 67% | 2930 fps | 95.3% |
| Somchem S361 | <<locked>> | 80% | 42,902 psi | 67% | 2936 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 45,310 psi | 71% | 3051 fps | 100% |
| Somchem S365 | <<locked>> | 80% | 44,730 psi | 70% | 3038 fps | 100% |
| Somchem S365 | <<locked>> | 80% | 45,121 psi | 71% | 3045 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 40,930 psi | 64% | 2936 fps | 97.8% |
| Somchem S385 | <<locked>> | 80% | 40,611 psi | 64% | 2930 fps | 97.6% |
| Somchem S385 | <<locked>> | 80% | 40,944 psi | 64% | 2936 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 80% | 53,185 psi | 83% | 3081 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 52,852 psi | 83% | 3074 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 53,185 psi | 83% | 3081 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 49,487 psi | 78% | 3094 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,921 psi | 77% | 3081 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 49,269 psi | 77% | 3087 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 35,520 psi | 56% | 2792 fps | 95.7% |
| Vihtavuori N165 | <<locked>> | 80% | 35,099 psi | 55% | 2782 fps | 95.5% |
| Vihtavuori N165 | <<locked>> | 80% | 35,346 psi | 55% | 2789 fps | 95.6% |
| Vihtavuori N550 | <<locked>> | 80% | 48,834 psi | 77% | 3094 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 48,501 psi | 76% | 3087 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 48,820 psi | 77% | 3094 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 39,813 psi | 62% | 2949 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 39,479 psi | 62% | 2943 fps | 99.8% |
| Vihtavuori N555 | <<locked>> | 80% | 39,653 psi | 62% | 2946 fps | 99.8% |
| Vihtavuori N560 | <<locked>> | 82% | 41,640 psi | 65% | 3038 fps | 95.2% |
| Vihtavuori N560 | <<locked>> | 84% | 44,237 psi | 69% | 3100 fps | 96% |
| Vihtavuori N560 | <<locked>> | 82% | 41,655 psi | 65% | 3038 fps | 95.2% |
| Vihtavuori N565 | <<locked>> | 88% | 42,119 psi | 66% | 3031 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 88% | 41,640 psi | 65% | 3018 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 88% | 42,148 psi | 66% | 3028 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 94% | 45,440 psi | 71% | 3150 fps | 95.4% |
| Vihtavuori N568 | <<locked>> | 94% | 44,947 psi | 70% | 3140 fps | 95.2% |
| Vihtavuori N568 | <<locked>> | 94% | 45,208 psi | 71% | 3143 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 48,573 psi | 76% | 3038 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 48,283 psi | 76% | 3035 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 48,602 psi | 76% | 3041 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 50,836 psi | 80% | 3173 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 50,502 psi | 79% | 3166 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 50,865 psi | 80% | 3173 fps | 99.7% |
| Winchester StaBALL HD | 58.2 gr | 80% | 31,894 psi | 50% | 2890 fps | 100% |
| Winchester StaBALL HD | 58.2 gr | 80% | 31,517 psi | 49% | 2881 fps | 100% |
| Winchester StaBALL HD | 58.2 gr | 80% | 31,937 psi | 50% | 2890 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,347 psi | 59% | 2848 fps | 95.7% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,043 psi | 58% | 2841 fps | 95.5% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,318 psi | 58% | 2848 fps | 95.7% |
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 216 powders for .257 Weath. Mag. loaded with the .257 | 110gr | Hornady ELD-X. Hodgdon Retumbo delivers the highest muzzle velocity at 3,422 fps; across all powders the maximum-charge window runs from 2,080 fps to 3,422 fps. ADI AR 2217 gives the best case fill at 100 %, and 216 of the 216 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 110.0 gr projectile in 0.257" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2217, ADI AR 2217 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. Hodgdon Retumbo, Winchester StaBALL HD, ReloadSwiss RS 76 rank at the top here: for .257 Weath. Mag. with the .257 | 110gr | Hornady ELD-X 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.