Load Specifications
Load data in caliber 7 x 57 R with .284 | 190gr | Berger Long Range Hybrid Target bullet and 54 powders. The key underlying parameters are shown in the table above.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100ᴾ | <<locked>> | 100% | 43,845 psi | 89% | 2293 fps | 98.3% |
| Accurate 4064 | <<locked>> | 82% | 44,570 psi | 90% | 2231 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 43,468 psi | 88% | 2297 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 82% | 42,801 psi | 87% | 2208 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 42,815 psi | 87% | 2231 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 90% | 42,641 psi | 86% | 2306 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 86% | 42,511 psi | 86% | 2326 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 44,440 psi | 90% | 2316 fps | 95.9% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 43,976 psi | 89% | 2356 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 41,539 psi | 84% | 2316 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 36,564 psi | 74% | 2238 fps | 97% |
| Alliant Reloder-26 | <<locked>> | 98% | 43,352 psi | 88% | 2415 fps | 99.4% |
| Bofors RP3 | <<locked>> | 82% | 42,830 psi | 87% | 2241 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 43,976 psi | 89% | 2356 fps | 96% |
| Bofors RP7 | <<locked>> | 86% | 43,178 psi | 88% | 2215 fps | 96.6% |
| Hodgdon H380 | <<locked>> | 82% | 43,569 psi | 88% | 2247 fps | 99.1% |
| Hodgdon H414 | <<locked>> | 88% | 43,047 psi | 87% | 2293 fps | 97.4% |
| Hodgdon H4350 | <<locked>> | 86% | 43,816 psi | 89% | 2260 fps | 96.1% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 41,814 psi | 85% | 2247 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 88% | 42,467 psi | 86% | 2310 fps | 96.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,737 psi | 72% | 1424 fps | 100% |
| IMR 4350 | <<locked>> | 90% | 43,569 psi | 88% | 2247 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 42,192 psi | 86% | 2198 fps | 96.8% |
| IMR 4831 | <<locked>> | 92% | 44,382 psi | 90% | 2297 fps | 99.5% |
| Lovex S065 | <<locked>> | 88% | 44,585 psi | 90% | 2244 fps | 98.6% |
| Lovex S070 | <<locked>> | 88% | 42,409 psi | 86% | 2231 fps | 97.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 36,463 psi | 74% | 2172 fps | 96.6% |
| Norma MRP | <<locked>> | 98% | 43,221 psi | 88% | 2375 fps | 97.3% |
| Norma URP | <<locked>> | 90% | 43,033 psi | 87% | 2287 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 90% | 42,090 psi | 85% | 2287 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,347 psi | 74% | 1460 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 43,627 psi | 88% | 2231 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 42,395 psi | 86% | 2326 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 43,120 psi | 87% | 2320 fps | 99.2% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 42,380 psi | 86% | 2329 fps | 98.9% |
| Rottweil R 903 | <<locked>> | 84% | 43,033 psi | 87% | 2238 fps | 100% |
| Rottweil R 905 | <<locked>> | 96% | 43,178 psi | 88% | 2300 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 86% | 43,178 psi | 88% | 2215 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 88% | 44,585 psi | 90% | 2244 fps | 98.6% |
| Shooters World SW4350 | <<locked>> | 88% | 42,409 psi | 86% | 2231 fps | 97.3% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 44,121 psi | 89% | 2287 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 42,351 psi | 86% | 2123 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 44,034 psi | 89% | 2198 fps | 97.4% |
| Somchem S355 | <<locked>> | 84% | 43,598 psi | 88% | 2238 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 44,135 psi | 90% | 2339 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 43,932 psi | 89% | 2290 fps | 96.9% |
| Vihtavuori N150 | <<locked>> | 86% | 44,179 psi | 90% | 2218 fps | 100% |
| Vihtavuori N160 | <<locked>> | 88% | 42,264 psi | 86% | 2244 fps | 99.1% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 43,149 psi | 88% | 2264 fps | 96.1% |
| Vihtavuori N550 | <<locked>> | 90% | 44,193 psi | 90% | 2290 fps | 99.3% |
| Vihtavuori N555 | <<locked>> | 98% | 42,946 psi | 87% | 2333 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 41,713 psi | 85% | 2221 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 43,047 psi | 87% | 2293 fps | 97.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 37,217 psi | 75% | 2346 fps | 100% |
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 33,518 psi | 68% | 2113 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 41,713 psi | 85% | 2188 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 30,879 psi | 63% | 2064 fps | 96.6% |
| ADI AR 2208 | <<locked>> | 80% | 40,422 psi | 82% | 2169 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,118 psi | 81% | 2185 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 80% | 31,285 psi | 63% | 2077 fps | 96.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 34,693 psi | 70% | 2178 fps | 99.2% |
| Alliant Reloder-19 | <<locked>> | 94% | 41,713 psi | 85% | 2270 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 98% | 41,205 psi | 84% | 2306 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 84% | 25,643 psi | 52% | 1962 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 96% | 32,503 psi | 66% | 2142 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 88% | 30,792 psi | 62% | 2152 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 40,030 psi | 81% | 2195 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 41,205 psi | 84% | 2306 fps | 95.1% |
| Bofors RP7 | <<locked>> | 82% | 38,218 psi | 78% | 2126 fps | 95.2% |
| Hodgdon H380 | <<locked>> | 80% | 40,785 psi | 83% | 2201 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 82% | 35,331 psi | 72% | 2149 fps | 95% |
| Hodgdon H4350 | <<locked>> | 84% | 41,394 psi | 84% | 2218 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,790 psi | 58% | 1995 fps | 97.5% |
| Hodgdon Superformance | <<locked>> | 86% | 39,552 psi | 80% | 2257 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,774 psi | 54% | 1273 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 38,334 psi | 78% | 2156 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 37,391 psi | 76% | 2113 fps | 95.5% |
| IMR 4831 | <<locked>> | 80% | 30,153 psi | 61% | 2031 fps | 96.3% |
| Lovex S065 | <<locked>> | 80% | 34,795 psi | 71% | 2070 fps | 96.3% |
| Lovex S070 | <<locked>> | 82% | 35,273 psi | 72% | 2096 fps | 95.2% |
| Lovex S071 | <<locked>> | 96% | 31,995 psi | 65% | 2083 fps | 95% |
| Norma MRP | <<locked>> | 94% | 37,956 psi | 77% | 2274 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 31,212 psi | 63% | 2064 fps | 96.5% |
| Ramshot Hunter | <<locked>> | 84% | 34,766 psi | 71% | 2149 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,108 psi | 55% | 1302 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 40,944 psi | 83% | 2185 fps | 97.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 36,912 psi | 75% | 2228 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 30,661 psi | 62% | 2080 fps | 96% |
| ReloadSwiss RS 70 | <<locked>> | 82% | 32,605 psi | 66% | 2126 fps | 95.9% |
| Rottweil R 903 | <<locked>> | 80% | 37,623 psi | 76% | 2149 fps | 99.6% |
| Rottweil R 905 | <<locked>> | 94% | 40,408 psi | 82% | 2254 fps | 95% |
| Rottweil R 907 | <<locked>> | 82% | 38,218 psi | 78% | 2126 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 34,795 psi | 71% | 2070 fps | 96.3% |
| Shooters World SW4350 | <<locked>> | 82% | 35,273 psi | 72% | 2096 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 38,435 psi | 78% | 2192 fps | 99.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,871 psi | 81% | 2083 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 36,390 psi | 74% | 2070 fps | 95.3% |
| Somchem S355 | <<locked>> | 80% | 38,261 psi | 78% | 2149 fps | 99.6% |
| Somchem S365 | <<locked>> | 80% | 28,007 psi | 57% | 2028 fps | 98.6% |
| Somchem S385 | <<locked>> | 92% | 38,508 psi | 78% | 2198 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 36,448 psi | 74% | 2093 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 32,576 psi | 66% | 2064 fps | 96.9% |
| Vihtavuori N165 | <<locked>> | 98% | 40,408 psi | 82% | 2218 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 32,155 psi | 65% | 2070 fps | 96.5% |
| Vihtavuori N555 | <<locked>> | 84% | 27,340 psi | 55% | 2021 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,227 psi | 65% | 2047 fps | 98.7% |
| Winchester 760 | <<locked>> | 82% | 35,607 psi | 72% | 2156 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 88% | 25,512 psi | 52% | 2031 fps | 96.2% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 54 powders for 7 x 57 R loaded with the .284 | 190gr | Berger Long Range Hybrid Target. Alliant Reloder-26 delivers the highest muzzle velocity at 2,415 fps; across all powders the maximum-charge window runs from 1,424 fps to 2,415 fps. Accurate 3100 gives the best case fill at 100 %, and 54 of the 54 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (340 MPa), the top charges use 72–90 %, leaving at least 10 % headroom. The 190.0 gr projectile in 0.284" calls for a 1:8.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-22, Alliant Reloder-23 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.