
Load Specifications
Load data in caliber .30-378 Weath. Mag. with .308 | 178gr | Hornady ELD-X bullet and 207 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ADI AR 2218 and Vihtavuori N570.
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>> | 86% | 55,840 psi | 88% | 3045 fps | 100% |
| Accurate 3100 | <<locked>> | 86% | 55,956 psi | 88% | 3045 fps | 100% |
| Accurate 3100 | <<locked>> | 86% | 55,840 psi | 88% | 3045 fps | 100% |
| Accurate 3100 | <<locked>> | 86% | 55,999 psi | 88% | 3048 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 54,012 psi | 85% | 3146 fps | 99.8% |
| Accurate High Country | <<locked>> | 82% | 54,128 psi | 85% | 3150 fps | 99.8% |
| Accurate High Country | <<locked>> | 82% | 54,012 psi | 85% | 3146 fps | 99.8% |
| Accurate High Country | <<locked>> | 82% | 54,012 psi | 85% | 3150 fps | 99.8% |
| Accurate MAGPRO | <<locked>> | 84% | 54,911 psi | 86% | 3156 fps | 99.4% |
| Accurate MAGPRO | <<locked>> | 84% | 55,042 psi | 86% | 3156 fps | 99.4% |
| Accurate MAGPRO | <<locked>> | 84% | 54,911 psi | 86% | 3156 fps | 99.4% |
| Accurate MAGPRO | <<locked>> | 84% | 55,056 psi | 86% | 3159 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 84% | 56,855 psi | 89% | 3136 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 56,985 psi | 89% | 3136 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 56,855 psi | 89% | 3136 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 57,029 psi | 89% | 3140 fps | 100% |
| ADI AR 2213 | <<locked>> | 86% | 55,564 psi | 87% | 3153 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 86% | 55,695 psi | 87% | 3156 fps | 99.9% |
| ADI AR 2213 | <<locked>> | 86% | 55,564 psi | 87% | 3153 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 86% | 55,724 psi | 87% | 3156 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 94% | 54,636 psi | 86% | 3133 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 94% | 54,723 psi | 86% | 3133 fps | 100% |
| ADI AR 2217 | <<locked>> | 94% | 54,636 psi | 86% | 3133 fps | 99.9% |
| ADI AR 2217 | <<locked>> | 94% | 54,723 psi | 86% | 3133 fps | 100% |
| ADI AR 2218 | <<locked>> | 98% | 54,984 psi | 86% | 3255 fps | 98.6% |
| ADI AR 2218 | <<locked>> | 98% | 55,216 psi | 87% | 3258 fps | 98.6% |
| ADI AR 2218 | <<locked>> | 98% | 54,984 psi | 86% | 3255 fps | 98.6% |
| ADI AR 2218 | <<locked>> | 98% | 55,085 psi | 86% | 3255 fps | 98.6% |
| ADI AR 2225 | <<locked>> | 98% | 57,667 psi | 90% | 3212 fps | 100% |
| ADI AR 2225 | <<locked>> | 96% | 53,911 psi | 84% | 3156 fps | 100% |
| ADI AR 2225 | <<locked>> | 98% | 57,667 psi | 90% | 3212 fps | 100% |
| ADI AR 2225 | <<locked>> | 96% | 53,969 psi | 85% | 3156 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 57,159 psi | 90% | 3133 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 57,043 psi | 89% | 3133 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 57,174 psi | 90% | 3136 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 56,449 psi | 88% | 3123 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 56,565 psi | 89% | 3127 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 56,449 psi | 88% | 3123 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 56,579 psi | 89% | 3127 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 56,101 psi | 88% | 3150 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 56,217 psi | 88% | 3150 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 56,101 psi | 88% | 3150 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 86% | 56,246 psi | 88% | 3150 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 54,404 psi | 85% | 3051 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 54,520 psi | 85% | 3051 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 54,404 psi | 85% | 3051 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 86% | 54,360 psi | 85% | 3051 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 54,708 psi | 86% | 3127 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 54,868 psi | 86% | 3130 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 54,708 psi | 86% | 3127 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 90% | 54,868 psi | 86% | 3130 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 54,795 psi | 86% | 3136 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 54,911 psi | 86% | 3136 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 54,795 psi | 86% | 3136 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 82% | 54,969 psi | 86% | 3140 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 56,913 psi | 89% | 3232 fps | 98.6% |
| Alliant Reloder-33 | <<locked>> | 96% | 57,203 psi | 90% | 3235 fps | 98.7% |
| Alliant Reloder-33 | <<locked>> | 96% | 56,913 psi | 89% | 3232 fps | 98.6% |
| Alliant Reloder-33 | <<locked>> | 96% | 57,203 psi | 90% | 3235 fps | 98.6% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 56,898 psi | 89% | 3219 fps | 98.2% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 57,174 psi | 90% | 3225 fps | 98.3% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 56,898 psi | 89% | 3219 fps | 98.2% |
| Alliant Reloder-50ᴾ | <<locked>> | 100% | 57,058 psi | 89% | 3222 fps | 98.2% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 56,028 psi | 88% | 3110 fps | 98.5% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 56,101 psi | 88% | 3114 fps | 98.6% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 56,028 psi | 88% | 3110 fps | 98.5% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 55,985 psi | 88% | 3110 fps | 98.5% |
| Bofors RP15 | <<locked>> | 88% | 55,477 psi | 87% | 3136 fps | 100% |
| Bofors RP15 | <<locked>> | 88% | 55,593 psi | 87% | 3140 fps | 100% |
| Bofors RP15 | <<locked>> | 88% | 55,477 psi | 87% | 3136 fps | 100% |
| Bofors RP15 | <<locked>> | 88% | 55,637 psi | 87% | 3140 fps | 100% |
| Bofors RP30 | <<locked>> | 92% | 54,636 psi | 86% | 3143 fps | 99.9% |
| Bofors RP30 | <<locked>> | 92% | 54,766 psi | 86% | 3146 fps | 99.9% |
| Bofors RP30 | <<locked>> | 92% | 54,636 psi | 86% | 3143 fps | 99.9% |
| Bofors RP30 | <<locked>> | 92% | 54,795 psi | 86% | 3150 fps | 99.9% |
| Bofors RP5 | <<locked>> | 86% | 56,101 psi | 88% | 3150 fps | 100% |
| Bofors RP5 | <<locked>> | 86% | 56,217 psi | 88% | 3150 fps | 100% |
| Bofors RP5 | <<locked>> | 86% | 56,101 psi | 88% | 3150 fps | 100% |
| Bofors RP5 | <<locked>> | 86% | 56,246 psi | 88% | 3150 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 56,043 psi | 88% | 3153 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 56,144 psi | 88% | 3153 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 56,043 psi | 88% | 3153 fps | 100% |
| Hodgdon H1000 | <<locked>> | 92% | 56,173 psi | 88% | 3156 fps | 100% |
| Hodgdon H4831 | <<locked>> | 84% | 54,375 psi | 85% | 3077 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 84% | 54,476 psi | 85% | 3081 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 84% | 54,375 psi | 85% | 3077 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 84% | 54,491 psi | 85% | 3081 fps | 99.5% |
| Hodgdon H4831 SC | <<locked>> | 86% | 57,203 psi | 90% | 3127 fps | 99.7% |
| Hodgdon H4831 SC | <<locked>> | 86% | 57,348 psi | 90% | 3130 fps | 99.7% |
| Hodgdon H4831 SC | <<locked>> | 86% | 57,203 psi | 90% | 3127 fps | 99.7% |
| Hodgdon H4831 SC | <<locked>> | 86% | 57,348 psi | 90% | 3127 fps | 99.7% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 57,072 psi | 89% | 3031 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 57,203 psi | 90% | 3035 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 57,072 psi | 89% | 3031 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 57,261 psi | 90% | 3035 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 53,983 psi | 85% | 3219 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 54,099 psi | 85% | 3219 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 53,983 psi | 85% | 3219 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 90% | 54,128 psi | 85% | 3222 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,898 psi | 59% | 2014 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,797 psi | 59% | 2011 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,898 psi | 59% | 2014 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,811 psi | 59% | 2011 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 54,752 psi | 86% | 3058 fps | 99.6% |
| IMR 4955 Enduron | <<locked>> | 84% | 54,853 psi | 86% | 3061 fps | 99.6% |
| IMR 4955 Enduron | <<locked>> | 84% | 54,752 psi | 86% | 3058 fps | 99.6% |
| IMR 4955 Enduron | <<locked>> | 84% | 54,897 psi | 86% | 3061 fps | 99.6% |
| IMR 7828 SSC | <<locked>> | 86% | 54,128 psi | 85% | 3136 fps | 99.8% |
| IMR 7828 SSC | <<locked>> | 86% | 54,244 psi | 85% | 3136 fps | 99.8% |
| IMR 7828 SSC | <<locked>> | 86% | 54,128 psi | 85% | 3136 fps | 99.8% |
| IMR 7828 SSC | <<locked>> | 86% | 54,128 psi | 85% | 3136 fps | 99.8% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 56,550 psi | 89% | 3192 fps | 100% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 56,797 psi | 89% | 3196 fps | 100% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 56,550 psi | 89% | 3192 fps | 100% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 56,869 psi | 89% | 3199 fps | 100% |
| Lovex S071 | <<locked>> | 92% | 57,696 psi | 90% | 3071 fps | 100% |
| Lovex S071 | <<locked>> | 90% | 54,476 psi | 85% | 3025 fps | 100% |
| Lovex S071 | <<locked>> | 92% | 57,696 psi | 90% | 3071 fps | 100% |
| Lovex S071 | <<locked>> | 90% | 54,317 psi | 85% | 3022 fps | 100% |
| Norma 217 | <<locked>> | 98% | 54,201 psi | 85% | 3156 fps | 100% |
| Norma 217 | <<locked>> | 98% | 54,317 psi | 85% | 3159 fps | 100% |
| Norma 217 | <<locked>> | 98% | 54,201 psi | 85% | 3156 fps | 100% |
| Norma 217 | <<locked>> | 98% | 54,346 psi | 85% | 3159 fps | 100% |
| Norma MRP | <<locked>> | 84% | 56,231 psi | 88% | 3163 fps | 100% |
| Norma MRP | <<locked>> | 84% | 56,391 psi | 88% | 3166 fps | 100% |
| Norma MRP | <<locked>> | 84% | 56,231 psi | 88% | 3163 fps | 100% |
| Norma MRP | <<locked>> | 84% | 56,391 psi | 88% | 3166 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 55,361 psi | 87% | 3159 fps | 99.9% |
| Ramshot Grand | <<locked>> | 86% | 55,477 psi | 87% | 3163 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 55,361 psi | 87% | 3159 fps | 99.9% |
| Ramshot Grand | <<locked>> | 86% | 55,361 psi | 87% | 3159 fps | 99.9% |
| Ramshot Magnum | <<locked>> | 88% | 53,838 psi | 84% | 3084 fps | 100% |
| Ramshot Magnum | <<locked>> | 88% | 53,969 psi | 85% | 3084 fps | 100% |
| Ramshot Magnum | <<locked>> | 88% | 53,838 psi | 84% | 3084 fps | 100% |
| Ramshot Magnum | <<locked>> | 88% | 53,983 psi | 85% | 3084 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,870 psi | 61% | 2060 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,899 psi | 61% | 2060 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,870 psi | 61% | 2060 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,783 psi | 61% | 2057 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 54,853 psi | 86% | 3205 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 54,969 psi | 86% | 3205 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 54,853 psi | 86% | 3205 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 54,998 psi | 86% | 3205 fps | 100% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 54,027 psi | 85% | 3166 fps | 99.4% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 54,331 psi | 85% | 3169 fps | 99.5% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 54,027 psi | 85% | 3166 fps | 99.4% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 54,157 psi | 85% | 3169 fps | 99.5% |
| Rottweil R 904 | <<locked>> | 84% | 57,246 psi | 90% | 3104 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 84% | 57,363 psi | 90% | 3107 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 84% | 57,246 psi | 90% | 3104 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 84% | 57,406 psi | 90% | 3104 fps | 99.9% |
| Rottweil R 905 | <<locked>> | 84% | 56,275 psi | 88% | 3117 fps | 100% |
| Rottweil R 905 | <<locked>> | 84% | 56,391 psi | 88% | 3117 fps | 100% |
| Rottweil R 905 | <<locked>> | 84% | 56,275 psi | 88% | 3117 fps | 100% |
| Rottweil R 905 | <<locked>> | 84% | 56,449 psi | 88% | 3120 fps | 100% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 49,182 psi | 77% | 3009 fps | 96.1% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 49,284 psi | 77% | 3009 fps | 96.1% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 49,182 psi | 77% | 3009 fps | 96.1% |
| SNPE Vectan SP 13ᴾ | <<locked>> | 100% | 49,284 psi | 77% | 3012 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 55,898 psi | 88% | 3114 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 56,014 psi | 88% | 3114 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 55,898 psi | 88% | 3114 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 56,072 psi | 88% | 3117 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 54,926 psi | 86% | 3031 fps | 99.5% |
| Somchem S361 | <<locked>> | 82% | 55,013 psi | 86% | 3035 fps | 99.5% |
| Somchem S361 | <<locked>> | 82% | 54,926 psi | 86% | 3031 fps | 99.5% |
| Somchem S361 | <<locked>> | 82% | 55,056 psi | 86% | 3035 fps | 99.5% |
| Somchem S385 | <<locked>> | 84% | 56,565 psi | 89% | 3081 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 56,681 psi | 89% | 3084 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 56,565 psi | 89% | 3081 fps | 100% |
| Somchem S385 | <<locked>> | 84% | 56,695 psi | 89% | 3084 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 56,753 psi | 89% | 3071 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 56,855 psi | 89% | 3071 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 56,753 psi | 89% | 3071 fps | 100% |
| Vihtavuori N165 | <<locked>> | 88% | 56,681 psi | 89% | 3068 fps | 100% |
| Vihtavuori N170 | <<locked>> | 92% | 55,898 psi | 88% | 3094 fps | 97% |
| Vihtavuori N170 | <<locked>> | 92% | 56,173 psi | 88% | 3097 fps | 97.1% |
| Vihtavuori N170 | <<locked>> | 92% | 55,898 psi | 88% | 3094 fps | 97% |
| Vihtavuori N170 | <<locked>> | 92% | 56,014 psi | 88% | 3097 fps | 97.1% |
| Vihtavuori N555 | <<locked>> | 84% | 56,101 psi | 88% | 3081 fps | 100% |
| Vihtavuori N555 | <<locked>> | 84% | 56,231 psi | 88% | 3081 fps | 100% |
| Vihtavuori N555 | <<locked>> | 84% | 56,101 psi | 88% | 3081 fps | 100% |
| Vihtavuori N555 | <<locked>> | 84% | 56,231 psi | 88% | 3084 fps | 100% |
| Vihtavuori N560 | <<locked>> | 84% | 55,608 psi | 87% | 3166 fps | 99.7% |
| Vihtavuori N560 | <<locked>> | 84% | 55,738 psi | 87% | 3169 fps | 99.7% |
| Vihtavuori N560 | <<locked>> | 84% | 55,608 psi | 87% | 3166 fps | 99.7% |
| Vihtavuori N560 | <<locked>> | 84% | 55,767 psi | 87% | 3169 fps | 99.7% |
| Vihtavuori N565 | <<locked>> | 90% | 56,811 psi | 89% | 3163 fps | 99.8% |
| Vihtavuori N565 | <<locked>> | 90% | 56,898 psi | 89% | 3163 fps | 99.9% |
| Vihtavuori N565 | <<locked>> | 90% | 56,811 psi | 89% | 3163 fps | 99.8% |
| Vihtavuori N565 | <<locked>> | 90% | 56,956 psi | 89% | 3163 fps | 99.9% |
| Vihtavuori N568 | <<locked>> | 92% | 54,665 psi | 86% | 3169 fps | 99.2% |
| Vihtavuori N568 | <<locked>> | 92% | 54,766 psi | 86% | 3173 fps | 99.2% |
| Vihtavuori N568 | <<locked>> | 92% | 54,665 psi | 86% | 3169 fps | 99.2% |
| Vihtavuori N568 | <<locked>> | 92% | 54,795 psi | 86% | 3173 fps | 99.2% |
| Vihtavuori N570 | <<locked>> | 94% | 55,898 psi | 88% | 3238 fps | 98.1% |
| Vihtavuori N570 | <<locked>> | 94% | 56,202 psi | 88% | 3241 fps | 98.2% |
| Vihtavuori N570 | <<locked>> | 94% | 55,898 psi | 88% | 3238 fps | 98.1% |
| Vihtavuori N570 | <<locked>> | 94% | 56,028 psi | 88% | 3238 fps | 98.1% |
| Winchester StaBALL HD | <<locked>> | 86% | 54,534 psi | 85% | 3140 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 86% | 54,897 psi | 86% | 3146 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 86% | 54,534 psi | 85% | 3140 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 86% | 54,737 psi | 86% | 3146 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 56,449 psi | 88% | 3077 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 56,550 psi | 89% | 3081 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 56,449 psi | 88% | 3077 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 86% | 56,550 psi | 89% | 3081 fps | 100% |
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% | 45,730 psi | 72% | 2874 fps | 100% |
| Accurate 3100 | <<locked>> | 80% | 45,847 psi | 72% | 2877 fps | 100% |
| Accurate 3100 | <<locked>> | 80% | 45,730 psi | 72% | 2874 fps | 100% |
| Accurate 3100 | <<locked>> | 80% | 45,847 psi | 72% | 2877 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 50,227 psi | 79% | 3081 fps | 99.4% |
| Accurate High Country | <<locked>> | 80% | 50,343 psi | 79% | 3081 fps | 99.4% |
| Accurate High Country | <<locked>> | 80% | 50,227 psi | 79% | 3081 fps | 99.4% |
| Accurate High Country | <<locked>> | 80% | 50,386 psi | 79% | 3084 fps | 99.5% |
| Accurate MAGPRO | <<locked>> | 80% | 47,659 psi | 75% | 3018 fps | 98.2% |
| Accurate MAGPRO | <<locked>> | 80% | 47,776 psi | 75% | 3022 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 80% | 47,659 psi | 75% | 3018 fps | 98.2% |
| Accurate MAGPRO | <<locked>> | 80% | 47,819 psi | 75% | 3022 fps | 98.3% |
| ADI AR 2209 | <<locked>> | 80% | 49,734 psi | 78% | 3015 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 80% | 49,864 psi | 78% | 3015 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 80% | 49,734 psi | 78% | 3015 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 80% | 49,864 psi | 78% | 3015 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 80% | 44,918 psi | 70% | 2956 fps | 98.6% |
| ADI AR 2213 | <<locked>> | 80% | 45,049 psi | 71% | 2956 fps | 98.6% |
| ADI AR 2213 | <<locked>> | 80% | 44,918 psi | 70% | 2956 fps | 98.6% |
| ADI AR 2213 | <<locked>> | 80% | 45,063 psi | 71% | 2956 fps | 98.6% |
| ADI AR 2217 | <<locked>> | 80% | 33,533 psi | 53% | 2677 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 80% | 33,634 psi | 53% | 2680 fps | 95.4% |
| ADI AR 2217 | <<locked>> | 80% | 33,533 psi | 53% | 2677 fps | 95.3% |
| ADI AR 2217 | <<locked>> | 80% | 33,649 psi | 53% | 2680 fps | 95.4% |
| ADI AR 2218 | 108.8 gr | 92% | 44,005 psi | 69% | 3018 fps | 95.4% |
| ADI AR 2218 | 108.8 gr | 92% | 44,222 psi | 69% | 3022 fps | 95.5% |
| ADI AR 2218 | 108.8 gr | 92% | 44,005 psi | 69% | 3018 fps | 95.4% |
| ADI AR 2218 | 108.8 gr | 92% | 44,135 psi | 69% | 3018 fps | 95.4% |
| ADI AR 2225 | <<locked>> | 80% | 30,937 psi | 48% | 2648 fps | 97.4% |
| ADI AR 2225 | <<locked>> | 80% | 31,024 psi | 49% | 2651 fps | 97.5% |
| ADI AR 2225 | <<locked>> | 80% | 30,937 psi | 48% | 2648 fps | 97.4% |
| ADI AR 2225 | <<locked>> | 80% | 30,937 psi | 48% | 2648 fps | 97.4% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 50,183 psi | 79% | 3012 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 50,067 psi | 78% | 3012 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 50,212 psi | 79% | 3015 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 80% | 49,588 psi | 78% | 3005 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 80% | 49,719 psi | 78% | 3009 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 80% | 49,588 psi | 78% | 3005 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 80% | 49,734 psi | 78% | 3009 fps | 99.8% |
| Alliant Reloder-22 | <<locked>> | 80% | 45,701 psi | 72% | 2959 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 80% | 45,818 psi | 72% | 2959 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 80% | 45,701 psi | 72% | 2959 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 80% | 45,832 psi | 72% | 2963 fps | 99.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 44,570 psi | 70% | 2890 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 44,556 psi | 70% | 2887 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 44,570 psi | 70% | 2890 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 44,599 psi | 70% | 2890 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 38,711 psi | 61% | 2831 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 38,841 psi | 61% | 2831 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 38,711 psi | 61% | 2831 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 38,841 psi | 61% | 2835 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 50,821 psi | 80% | 3074 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 50,952 psi | 80% | 3074 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 50,821 psi | 80% | 3074 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 50,981 psi | 80% | 3074 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 90% | 45,440 psi | 71% | 3012 fps | 96% |
| Alliant Reloder-33 | <<locked>> | 90% | 45,658 psi | 72% | 3015 fps | 96.1% |
| Alliant Reloder-33 | <<locked>> | 90% | 45,440 psi | 71% | 3012 fps | 96% |
| Alliant Reloder-33 | <<locked>> | 90% | 45,556 psi | 71% | 3015 fps | 96% |
| Alliant Reloder-50 | <<locked>> | 94% | 45,411 psi | 71% | 2999 fps | 95.3% |
| Alliant Reloder-50 | <<locked>> | 94% | 45,498 psi | 71% | 3002 fps | 95.4% |
| Alliant Reloder-50 | <<locked>> | 94% | 45,411 psi | 71% | 2999 fps | 95.3% |
| Alliant Reloder-50 | <<locked>> | 94% | 45,513 psi | 71% | 3002 fps | 95.4% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 43,091 psi | 68% | 2861 fps | 95.5% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 43,163 psi | 68% | 2861 fps | 95.5% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 43,091 psi | 68% | 2861 fps | 95.5% |
| Baschieri & Pellagri 109 | <<locked>> | 80% | 43,192 psi | 68% | 2861 fps | 95.6% |
| Bofors RP15 | <<locked>> | 80% | 42,583 psi | 67% | 2890 fps | 98.9% |
| Bofors RP15 | <<locked>> | 80% | 42,699 psi | 67% | 2894 fps | 98.9% |
| Bofors RP15 | <<locked>> | 80% | 42,583 psi | 67% | 2890 fps | 98.9% |
| Bofors RP15 | <<locked>> | 80% | 42,699 psi | 67% | 2894 fps | 98.9% |
| Bofors RP30 | <<locked>> | 80% | 36,187 psi | 57% | 2759 fps | 96.6% |
| Bofors RP30 | <<locked>> | 80% | 36,303 psi | 57% | 2766 fps | 96.6% |
| Bofors RP30 | <<locked>> | 80% | 36,187 psi | 57% | 2759 fps | 96.6% |
| Bofors RP30 | <<locked>> | 80% | 36,332 psi | 57% | 2766 fps | 96.6% |
| Bofors RP5 | <<locked>> | 80% | 45,701 psi | 72% | 2959 fps | 99.4% |
| Bofors RP5 | <<locked>> | 80% | 45,818 psi | 72% | 2959 fps | 99.5% |
| Bofors RP5 | <<locked>> | 80% | 45,701 psi | 72% | 2959 fps | 99.4% |
| Bofors RP5 | <<locked>> | 80% | 45,832 psi | 72% | 2963 fps | 99.5% |
| Hodgdon H1000 | <<locked>> | 80% | 36,564 psi | 57% | 2762 fps | 97.3% |
| Hodgdon H1000 | <<locked>> | 80% | 36,535 psi | 57% | 2762 fps | 97.3% |
| Hodgdon H1000 | <<locked>> | 80% | 36,564 psi | 57% | 2762 fps | 97.3% |
| Hodgdon H1000 | <<locked>> | 80% | 36,564 psi | 57% | 2762 fps | 97.3% |
| Hodgdon H4831 | <<locked>> | 80% | 47,456 psi | 74% | 2953 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 80% | 47,572 psi | 75% | 2956 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 80% | 47,456 psi | 74% | 2953 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 80% | 47,572 psi | 75% | 2956 fps | 98.6% |
| Hodgdon H4831 SC | <<locked>> | 80% | 46,572 psi | 73% | 2936 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 80% | 46,688 psi | 73% | 2936 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 80% | 46,572 psi | 73% | 2936 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 80% | 46,731 psi | 73% | 2940 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 53,563 psi | 84% | 2982 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 53,708 psi | 84% | 2982 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 53,563 psi | 84% | 2982 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 53,751 psi | 84% | 2986 fps | 100% |
| Hodgdon Retumbo | 89.3 gr | 80% | 37,855 psi | 59% | 2881 fps | 98.7% |
| Hodgdon Retumbo | 89.3 gr | 80% | 37,971 psi | 60% | 2884 fps | 98.8% |
| Hodgdon Retumbo | 89.3 gr | 80% | 37,855 psi | 59% | 2881 fps | 98.7% |
| Hodgdon Retumbo | 89.3 gr | 80% | 37,869 psi | 59% | 2884 fps | 98.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,427 psi | 45% | 1801 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,355 psi | 44% | 1801 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,427 psi | 45% | 1801 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,369 psi | 44% | 1801 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 48,211 psi | 76% | 2940 fps | 98.8% |
| IMR 4955 Enduron | <<locked>> | 80% | 48,312 psi | 76% | 2940 fps | 98.8% |
| IMR 4955 Enduron | <<locked>> | 80% | 48,211 psi | 76% | 2940 fps | 98.8% |
| IMR 4955 Enduron | <<locked>> | 80% | 48,356 psi | 76% | 2943 fps | 98.8% |
| IMR 7828 SSC | <<locked>> | 80% | 43,816 psi | 69% | 2940 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 80% | 43,947 psi | 69% | 2943 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 80% | 43,816 psi | 69% | 2940 fps | 98.4% |
| IMR 7828 SSC | <<locked>> | 80% | 43,816 psi | 69% | 2936 fps | 98.4% |
| IMR 8133 Enduron | <<locked>> | 86% | 35,114 psi | 55% | 2749 fps | 96% |
| IMR 8133 Enduron | <<locked>> | 86% | 35,215 psi | 55% | 2756 fps | 96% |
| IMR 8133 Enduron | <<locked>> | 86% | 35,114 psi | 55% | 2749 fps | 96% |
| IMR 8133 Enduron | <<locked>> | 86% | 35,128 psi | 55% | 2753 fps | 96% |
| Lovex S071 | <<locked>> | 80% | 39,436 psi | 62% | 2746 fps | 99.7% |
| Lovex S071 | <<locked>> | 80% | 39,450 psi | 62% | 2746 fps | 99.7% |
| Lovex S071 | <<locked>> | 80% | 39,436 psi | 62% | 2746 fps | 99.7% |
| Lovex S071 | <<locked>> | 80% | 39,450 psi | 62% | 2746 fps | 99.7% |
| Norma 217 | <<locked>> | 80% | 28,645 psi | 45% | 2582 fps | 95.2% |
| Norma 217 | <<locked>> | 80% | 28,747 psi | 45% | 2585 fps | 95.3% |
| Norma 217 | <<locked>> | 80% | 28,645 psi | 45% | 2582 fps | 95.2% |
| Norma 217 | <<locked>> | 80% | 28,747 psi | 45% | 2585 fps | 95.3% |
| Norma MRP | <<locked>> | 80% | 48,747 psi | 76% | 3035 fps | 100% |
| Norma MRP | <<locked>> | 80% | 48,863 psi | 77% | 3038 fps | 100% |
| Norma MRP | <<locked>> | 80% | 48,747 psi | 76% | 3035 fps | 100% |
| Norma MRP | <<locked>> | 80% | 48,863 psi | 77% | 3038 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 44,208 psi | 69% | 2956 fps | 98.8% |
| Ramshot Grand | <<locked>> | 80% | 44,338 psi | 69% | 2956 fps | 98.8% |
| Ramshot Grand | <<locked>> | 80% | 44,208 psi | 69% | 2956 fps | 98.8% |
| Ramshot Grand | <<locked>> | 80% | 44,193 psi | 69% | 2956 fps | 98.8% |
| Ramshot Magnum | <<locked>> | 80% | 39,813 psi | 62% | 2818 fps | 99.1% |
| Ramshot Magnum | <<locked>> | 80% | 39,914 psi | 63% | 2822 fps | 99.1% |
| Ramshot Magnum | <<locked>> | 80% | 39,813 psi | 62% | 2818 fps | 99.1% |
| Ramshot Magnum | <<locked>> | 80% | 39,958 psi | 63% | 2822 fps | 99.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,240 psi | 46% | 1847 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,153 psi | 46% | 1844 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,240 psi | 46% | 1847 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 29,167 psi | 46% | 1844 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 37,202 psi | 58% | 2854 fps | 99.4% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 37,304 psi | 58% | 2854 fps | 99.4% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 37,202 psi | 58% | 2854 fps | 99.4% |
| ReloadSwiss RS 76 | <<locked>> | 80% | 37,347 psi | 59% | 2858 fps | 99.4% |
| ReloadSwiss RS 80 | <<locked>> | 82% | 36,941 psi | 58% | 2805 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 82% | 37,043 psi | 58% | 2808 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 82% | 36,941 psi | 58% | 2805 fps | 95.2% |
| ReloadSwiss RS 80 | <<locked>> | 82% | 37,057 psi | 58% | 2808 fps | 95.2% |
| Rottweil R 904 | <<locked>> | 80% | 50,285 psi | 79% | 2982 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 80% | 50,401 psi | 79% | 2986 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 80% | 50,285 psi | 79% | 2982 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 80% | 50,415 psi | 79% | 2986 fps | 99.4% |
| Rottweil R 905 | <<locked>> | 80% | 49,255 psi | 77% | 2995 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 80% | 49,385 psi | 77% | 2999 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 80% | 49,255 psi | 77% | 2995 fps | 99.8% |
| Rottweil R 905 | <<locked>> | 80% | 49,429 psi | 77% | 2999 fps | 99.8% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 45,832 psi | 72% | 2940 fps | 95% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 45,890 psi | 72% | 2943 fps | 95.1% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 45,832 psi | 72% | 2940 fps | 95% |
| SNPE Vectan SP 13 | <<locked>> | 98% | 45,948 psi | 72% | 2943 fps | 95.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 48,907 psi | 77% | 2989 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 49,037 psi | 77% | 2995 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 48,907 psi | 77% | 2989 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 49,081 psi | 77% | 2992 fps | 99.8% |
| Somchem S361 | <<locked>> | 80% | 51,474 psi | 81% | 2972 fps | 99.2% |
| Somchem S361 | <<locked>> | 80% | 51,576 psi | 81% | 2976 fps | 99.2% |
| Somchem S361 | <<locked>> | 80% | 51,474 psi | 81% | 2972 fps | 99.2% |
| Somchem S361 | <<locked>> | 80% | 51,445 psi | 81% | 2972 fps | 99.2% |
| Somchem S385 | <<locked>> | 80% | 49,588 psi | 78% | 2966 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 49,705 psi | 78% | 2966 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 49,588 psi | 78% | 2966 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 49,705 psi | 78% | 2969 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 43,497 psi | 68% | 2838 fps | 99.4% |
| Vihtavuori N165 | <<locked>> | 80% | 43,613 psi | 68% | 2838 fps | 99.4% |
| Vihtavuori N165 | <<locked>> | 80% | 43,497 psi | 68% | 2838 fps | 99.4% |
| Vihtavuori N165 | <<locked>> | 80% | 43,656 psi | 68% | 2841 fps | 99.4% |
| Vihtavuori N170 | <<locked>> | 88% | 48,892 psi | 77% | 2966 fps | 95.3% |
| Vihtavuori N170 | <<locked>> | 88% | 48,950 psi | 77% | 2969 fps | 95.4% |
| Vihtavuori N170 | <<locked>> | 88% | 48,892 psi | 77% | 2966 fps | 95.3% |
| Vihtavuori N170 | <<locked>> | 88% | 48,979 psi | 77% | 2966 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 80% | 49,168 psi | 77% | 2969 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 49,313 psi | 77% | 2972 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 49,168 psi | 77% | 2969 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 49,313 psi | 77% | 2972 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 48,283 psi | 76% | 3031 fps | 98.8% |
| Vihtavuori N560 | <<locked>> | 80% | 48,399 psi | 76% | 3035 fps | 98.8% |
| Vihtavuori N560 | <<locked>> | 80% | 48,283 psi | 76% | 3031 fps | 98.8% |
| Vihtavuori N560 | <<locked>> | 80% | 48,399 psi | 76% | 3035 fps | 98.8% |
| Vihtavuori N565 | <<locked>> | 80% | 40,350 psi | 63% | 2841 fps | 97.2% |
| Vihtavuori N565 | <<locked>> | 80% | 40,451 psi | 63% | 2844 fps | 97.2% |
| Vihtavuori N565 | <<locked>> | 80% | 40,350 psi | 63% | 2841 fps | 97.2% |
| Vihtavuori N565 | <<locked>> | 80% | 40,451 psi | 63% | 2844 fps | 97.2% |
| Vihtavuori N568 | <<locked>> | 82% | 38,029 psi | 60% | 2825 fps | 95% |
| Vihtavuori N568 | <<locked>> | 82% | 38,247 psi | 60% | 2828 fps | 95.1% |
| Vihtavuori N568 | <<locked>> | 82% | 38,029 psi | 60% | 2825 fps | 95% |
| Vihtavuori N568 | <<locked>> | 82% | 38,145 psi | 60% | 2828 fps | 95% |
| Vihtavuori N570 | 102 gr | 88% | 45,034 psi | 71% | 3025 fps | 95.4% |
| Vihtavuori N570 | 102 gr | 88% | 45,165 psi | 71% | 3025 fps | 95.4% |
| Vihtavuori N570 | 102 gr | 88% | 45,034 psi | 71% | 3025 fps | 95.4% |
| Vihtavuori N570 | 102 gr | 88% | 45,165 psi | 71% | 3025 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 80% | 43,540 psi | 68% | 2959 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 43,714 psi | 69% | 2963 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 43,540 psi | 68% | 2959 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 43,569 psi | 68% | 2959 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 45,876 psi | 72% | 2897 fps | 99.4% |
| Winchester Supreme 780 | <<locked>> | 80% | 45,992 psi | 72% | 2897 fps | 99.5% |
| Winchester Supreme 780 | <<locked>> | 80% | 45,876 psi | 72% | 2897 fps | 99.4% |
| Winchester Supreme 780 | <<locked>> | 80% | 45,992 psi | 72% | 2900 fps | 99.5% |
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 207 powders for .30-378 Weath. Mag. loaded with the .308 | 178gr | Hornady ELD-X. ADI AR 2218 delivers the highest muzzle velocity at 3,258 fps; across all powders the maximum-charge window runs from 2,011 fps to 3,258 fps. Alliant Reloder-50 gives the best case fill at 100 %, and 207 of the 207 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 178.0 gr projectile in 0.308" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Alliant Reloder-50, Alliant Reloder-50, Alliant Reloder-50 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, ADI AR 2218, Vihtavuori N570 rank at the top here: for .30-378 Weath. Mag. with the .308 | 178gr | 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.