Load Specifications
Load data in caliber 7 x 57 with .284 | 175gr | Speer Magnum Tip Soft Point bullet and 79 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-26 and Hodgdon Superformance.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 49,617 psi | 88% | 2402 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 48,109 psi | 85% | 2405 fps | 97.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 46,789 psi | 83% | 2477 fps | 98.7% |
| Accurate 4064 | <<locked>> | 84% | 49,980 psi | 88% | 2451 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 49,284 psi | 87% | 2530 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 86% | 50,575 psi | 89% | 2474 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 51,010 psi | 90% | 2566 fps | 97.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 48,733 psi | 86% | 2572 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 50,647 psi | 90% | 2562 fps | 97.2% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 50,647 psi | 90% | 2562 fps | 97.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 50,981 psi | 90% | 2497 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 48,138 psi | 85% | 2467 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 50,589 psi | 89% | 2582 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 48,008 psi | 85% | 2559 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 49,922 psi | 88% | 2552 fps | 97.1% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 46,949 psi | 83% | 2549 fps | 96.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,092 psi | 78% | 2500 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,696 psi | 68% | 2418 fps | 97.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,777 psi | 88% | 2664 fps | 99.9% |
| Bofors RP3 | <<locked>> | 84% | 47,979 psi | 85% | 2461 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 46,949 psi | 83% | 2549 fps | 96.6% |
| Bofors RP7 | <<locked>> | 90% | 51,169 psi | 90% | 2490 fps | 98.1% |
| Hodgdon H380 | <<locked>> | 84% | 48,747 psi | 86% | 2474 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 90% | 48,559 psi | 86% | 2526 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 88% | 49,037 psi | 87% | 2490 fps | 97.2% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 50,676 psi | 90% | 2520 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 49,530 psi | 88% | 2510 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 48,196 psi | 85% | 2552 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,998 psi | 64% | 1542 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 51,169 psi | 90% | 2480 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 50,299 psi | 89% | 2461 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 49,647 psi | 88% | 2438 fps | 98.3% |
| IMR 4350 | <<locked>> | 92% | 48,588 psi | 86% | 2470 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 88% | 49,734 psi | 88% | 2467 fps | 98.3% |
| IMR 4831 | <<locked>> | 94% | 50,024 psi | 88% | 2526 fps | 99.9% |
| IMR 4895 | <<locked>> | 82% | 49,356 psi | 87% | 2490 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 50,053 psi | 88% | 2454 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 49,617 psi | 88% | 2467 fps | 99.2% |
| Lovex S070 | <<locked>> | 92% | 50,589 psi | 89% | 2503 fps | 98.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,914 psi | 69% | 2346 fps | 97.1% |
| Norma 203B | <<locked>> | 84% | 50,575 psi | 89% | 2503 fps | 100% |
| Norma 204 | <<locked>> | 92% | 48,501 psi | 86% | 2507 fps | 96.5% |
| Norma MRPᴾ | <<locked>> | 100% | 49,516 psi | 88% | 2625 fps | 98.5% |
| Norma URP | <<locked>> | 92% | 48,878 psi | 86% | 2523 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 84% | 50,778 psi | 90% | 2523 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 50,778 psi | 90% | 2569 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,535 psi | 65% | 1578 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 48,965 psi | 87% | 2461 fps | 98.7% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 51,126 psi | 90% | 2602 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 48,979 psi | 87% | 2549 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 48,051 psi | 85% | 2572 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 82% | 49,095 psi | 87% | 2421 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 48,182 psi | 85% | 2457 fps | 100% |
| Rottweil R 905 | <<locked>> | 98% | 49,081 psi | 87% | 2539 fps | 97.1% |
| Rottweil R 907 | <<locked>> | 90% | 51,169 psi | 90% | 2490 fps | 98.1% |
| Shooters World Long Rifle | <<locked>> | 90% | 49,617 psi | 88% | 2467 fps | 99.2% |
| Shooters World Precision | <<locked>> | 84% | 50,053 psi | 88% | 2454 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 50,589 psi | 89% | 2503 fps | 98.7% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 49,617 psi | 88% | 2513 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 51,097 psi | 90% | 2490 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 50,241 psi | 89% | 2369 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 49,400 psi | 87% | 2425 fps | 98.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 48,602 psi | 86% | 2536 fps | 97% |
| Somchem S355 | <<locked>> | 86% | 48,428 psi | 86% | 2454 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 50,473 psi | 89% | 2572 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 49,777 psi | 88% | 2523 fps | 97.9% |
| Vihtavuori N135 | <<locked>> | 82% | 49,197 psi | 87% | 2392 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 49,327 psi | 87% | 2402 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 49,559 psi | 88% | 2438 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 50,662 psi | 90% | 2513 fps | 99.8% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 45,585 psi | 81% | 2444 fps | 96.6% |
| Vihtavuori N540 | <<locked>> | 84% | 50,865 psi | 90% | 2444 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 49,777 psi | 88% | 2520 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,081 psi | 87% | 2566 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 50,299 psi | 89% | 2490 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 48,878 psi | 86% | 2533 fps | 98.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,552 psi | 70% | 2536 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 50,981 psi | 90% | 2497 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 49,472 psi | 87% | 2510 fps | 96.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 46,456 psi | 82% | 2356 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,918 psi | 79% | 2352 fps | 96.7% |
| Accurate 3100 | <<locked>> | 90% | 33,504 psi | 59% | 2238 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 43,932 psi | 78% | 2362 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,866 psi | 58% | 2231 fps | 96.9% |
| ADI AR 2208 | <<locked>> | 80% | 42,061 psi | 74% | 2336 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 94% | 44,817 psi | 79% | 2461 fps | 95.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,643 psi | 81% | 2520 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,556 psi | 79% | 2461 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,556 psi | 79% | 2461 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,076 psi | 74% | 2356 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,194 psi | 80% | 2418 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,880 psi | 58% | 2244 fps | 97.1% |
| Alliant Reloder-17 | <<locked>> | 80% | 36,521 psi | 65% | 2352 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 94% | 43,990 psi | 78% | 2454 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 98% | 44,048 psi | 78% | 2500 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 82% | 25,338 psi | 45% | 2070 fps | 95.1% |
| Alliant Reloder-25 | <<locked>> | 96% | 34,374 psi | 61% | 2320 fps | 95.9% |
| Alliant Reloder-26 | 45.9 gr | 86% | 30,632 psi | 54% | 2270 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 42,076 psi | 74% | 2365 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 44,048 psi | 78% | 2500 fps | 95.8% |
| Bofors RP7 | <<locked>> | 82% | 39,972 psi | 71% | 2297 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 42,859 psi | 76% | 2375 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 82% | 37,246 psi | 66% | 2320 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 84% | 43,207 psi | 76% | 2392 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,240 psi | 53% | 2149 fps | 97.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,470 psi | 82% | 2464 fps | 100% |
| Hodgdon Superformance | 46.2 gr | 84% | 39,073 psi | 69% | 2385 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,977 psi | 48% | 1378 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 48,037 psi | 85% | 2434 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,222 psi | 78% | 2365 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,688 psi | 83% | 2392 fps | 97.8% |
| IMR 4350 | <<locked>> | 84% | 38,029 psi | 67% | 2283 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 38,972 psi | 69% | 2277 fps | 95.8% |
| IMR 4831 | <<locked>> | 80% | 31,778 psi | 56% | 2192 fps | 96.6% |
| IMR 4895 | <<locked>> | 80% | 46,311 psi | 82% | 2444 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,353 psi | 78% | 2365 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,477 psi | 64% | 2234 fps | 96.6% |
| Lovex S070 | <<locked>> | 82% | 36,912 psi | 65% | 2260 fps | 95.5% |
| Lovex S071 | <<locked>> | 96% | 34,200 psi | 60% | 2251 fps | 95.5% |
| Norma 203B | <<locked>> | 80% | 44,541 psi | 79% | 2408 fps | 99.9% |
| Norma 204 | <<locked>> | 90% | 45,455 psi | 80% | 2457 fps | 95.7% |
| Norma MRP | <<locked>> | 92% | 37,724 psi | 67% | 2405 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 33,112 psi | 59% | 2231 fps | 96.9% |
| Ramshot Big Game | <<locked>> | 80% | 44,411 psi | 79% | 2428 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 34,229 psi | 61% | 2264 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,282 psi | 48% | 1407 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,960 psi | 76% | 2359 fps | 97.6% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,856 psi | 69% | 2402 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,489 psi | 57% | 2244 fps | 96.4% |
| ReloadSwiss RS 70 | 42.3 gr | 80% | 32,198 psi | 57% | 2247 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 46,325 psi | 82% | 2379 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,798 psi | 70% | 2323 fps | 99.7% |
| Rottweil R 905 | <<locked>> | 94% | 42,960 psi | 76% | 2438 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 82% | 39,972 psi | 71% | 2297 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,477 psi | 64% | 2234 fps | 96.6% |
| Shooters World Precision | <<locked>> | 80% | 44,353 psi | 78% | 2365 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,912 psi | 65% | 2260 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,654 psi | 72% | 2365 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,993 psi | 85% | 2444 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,553 psi | 73% | 2247 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 38,189 psi | 68% | 2234 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 42,554 psi | 75% | 2431 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 40,205 psi | 71% | 2320 fps | 99.7% |
| Somchem S365 | <<locked>> | 80% | 29,689 psi | 52% | 2192 fps | 98.8% |
| Somchem S385 | <<locked>> | 90% | 38,203 psi | 68% | 2323 fps | 95% |
| Vihtavuori N135 | <<locked>> | 80% | 46,050 psi | 81% | 2346 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,586 psi | 82% | 2362 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,493 psi | 68% | 2264 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 34,389 psi | 61% | 2231 fps | 97.2% |
| Vihtavuori N165 | <<locked>> | 96% | 40,059 psi | 71% | 2349 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 44,875 psi | 79% | 2359 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,968 psi | 60% | 2234 fps | 96.9% |
| Vihtavuori N555 | <<locked>> | 82% | 27,383 psi | 48% | 2139 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,750 psi | 60% | 2205 fps | 98.9% |
| Winchester 760 | <<locked>> | 82% | 37,478 psi | 66% | 2326 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 86% | 25,338 psi | 45% | 2139 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,558 psi | 84% | 2444 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 43,250 psi | 76% | 2408 fps | 95.2% |
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 79 powders for 7 x 57 loaded with the .284 | 175gr | Speer Magnum Tip Soft Point. Alliant Reloder-26 delivers the highest muzzle velocity at 2,664 fps; across all powders the maximum-charge window runs from 1,542 fps to 2,664 fps. Accurate 3100 gives the best case fill at 100 %, and 79 of the 79 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 64–90 %, leaving at least 10 % headroom. The 175.0 gr projectile in 0.284" calls for a 1:12.5 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. ReloadSwiss RS 70, Alliant Reloder-26, Hodgdon Superformance rank at the top here: for 7 x 57 with the .284 | 175gr | Speer Magnum Tip Soft Point 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.