Load Specifications
Load data in caliber 7 x 57 with .284 | 177gr | RWS ID Classic bullet and 75 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.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 49,995 psi | 88% | 2392 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 48,428 psi | 86% | 2398 fps | 97.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,558 psi | 84% | 2477 fps | 98.9% |
| Accurate 4064 | <<locked>> | 84% | 50,372 psi | 89% | 2441 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 50,038 psi | 88% | 2526 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 84% | 48,080 psi | 85% | 2425 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 96% | 48,153 psi | 85% | 2510 fps | 96.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 49,429 psi | 87% | 2569 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 48,196 psi | 85% | 2444 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 48,501 psi | 86% | 2461 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 48,095 psi | 85% | 2533 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 88% | 48,443 psi | 86% | 2552 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 50,604 psi | 89% | 2552 fps | 97.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 47,369 psi | 84% | 2549 fps | 96.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,759 psi | 79% | 2500 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,247 psi | 69% | 2421 fps | 97.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 50,589 psi | 89% | 2664 fps | 100% |
| Bofors RP3 | <<locked>> | 84% | 48,689 psi | 86% | 2457 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 47,369 psi | 84% | 2549 fps | 96.9% |
| Bofors RP7 | <<locked>> | 88% | 48,660 psi | 86% | 2438 fps | 97.8% |
| Hodgdon H380 | <<locked>> | 84% | 49,081 psi | 87% | 2467 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 90% | 49,298 psi | 87% | 2526 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 88% | 49,705 psi | 88% | 2490 fps | 97.5% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 51,097 psi | 90% | 2510 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 49,951 psi | 88% | 2503 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 48,936 psi | 87% | 2556 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,998 psi | 64% | 1535 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 50,604 psi | 89% | 2451 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 49,966 psi | 88% | 2434 fps | 98.5% |
| IMR 4350 | <<locked>> | 92% | 48,965 psi | 87% | 2464 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 88% | 50,343 psi | 89% | 2467 fps | 98.5% |
| IMR 4831 | <<locked>> | 94% | 50,749 psi | 90% | 2523 fps | 99.9% |
| IMR 4895 | <<locked>> | 82% | 49,734 psi | 88% | 2484 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 50,720 psi | 90% | 2451 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 49,980 psi | 88% | 2461 fps | 99.4% |
| Lovex S070 | <<locked>> | 92% | 50,937 psi | 90% | 2497 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,581 psi | 70% | 2346 fps | 97.4% |
| Norma 203B | <<locked>> | 84% | 50,966 psi | 90% | 2493 fps | 100% |
| Norma 204 | <<locked>> | 92% | 49,168 psi | 87% | 2507 fps | 96.8% |
| Norma MRPᴾ | <<locked>> | 100% | 49,966 psi | 88% | 2621 fps | 98.7% |
| Norma URP | <<locked>> | 92% | 49,298 psi | 87% | 2516 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 84% | 51,155 psi | 90% | 2516 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 51,155 psi | 90% | 2562 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,840 psi | 65% | 1575 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 49,313 psi | 87% | 2454 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 48,298 psi | 85% | 2549 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 49,777 psi | 88% | 2549 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 48,762 psi | 86% | 2572 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 82% | 49,690 psi | 88% | 2418 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 48,834 psi | 86% | 2457 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 49,966 psi | 88% | 2487 fps | 95.9% |
| Rottweil R 905 | <<locked>> | 98% | 49,487 psi | 87% | 2536 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 88% | 48,660 psi | 86% | 2438 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 90% | 49,980 psi | 88% | 2461 fps | 99.4% |
| Shooters World Precision | <<locked>> | 84% | 50,720 psi | 90% | 2451 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 50,937 psi | 90% | 2497 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 49,980 psi | 88% | 2507 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 50,517 psi | 89% | 2362 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 49,705 psi | 88% | 2418 fps | 98.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 49,023 psi | 87% | 2530 fps | 97.2% |
| Somchem S355 | <<locked>> | 86% | 49,095 psi | 87% | 2451 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 50,923 psi | 90% | 2566 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 50,212 psi | 89% | 2516 fps | 98.1% |
| Vihtavuori N135 | <<locked>> | 82% | 49,574 psi | 88% | 2382 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 49,980 psi | 88% | 2398 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 49,937 psi | 88% | 2431 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 48,182 psi | 85% | 2464 fps | 99.7% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 46,282 psi | 82% | 2444 fps | 97% |
| Vihtavuori N540 | <<locked>> | 82% | 48,124 psi | 85% | 2395 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 50,546 psi | 89% | 2520 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,922 psi | 88% | 2569 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 50,981 psi | 90% | 2490 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 49,298 psi | 87% | 2526 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 40,190 psi | 71% | 2539 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 50,183 psi | 89% | 2510 fps | 97.1% |
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% | 47,094 psi | 83% | 2352 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 45,498 psi | 80% | 2352 fps | 97% |
| Accurate 3100 | <<locked>> | 90% | 33,837 psi | 60% | 2234 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 44,599 psi | 79% | 2359 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,199 psi | 59% | 2228 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 80% | 42,612 psi | 75% | 2333 fps | 99.5% |
| ADI AR 2209 | <<locked>> | 92% | 42,337 psi | 75% | 2405 fps | 95.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,021 psi | 81% | 2516 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,670 psi | 75% | 2356 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,484 psi | 80% | 2411 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,112 psi | 59% | 2241 fps | 97.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 37,072 psi | 66% | 2352 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 41,901 psi | 74% | 2405 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 96% | 41,640 psi | 74% | 2444 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 82% | 25,556 psi | 45% | 2067 fps | 95.5% |
| Alliant Reloder-25 | <<locked>> | 94% | 32,605 psi | 58% | 2267 fps | 95.3% |
| Alliant Reloder-26 | 45.9 gr | 86% | 30,922 psi | 55% | 2270 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 42,728 psi | 76% | 2365 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 41,640 psi | 74% | 2444 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 37,985 psi | 67% | 2247 fps | 95.1% |
| Hodgdon H380 | <<locked>> | 80% | 43,163 psi | 76% | 2372 fps | 99% |
| Hodgdon H414 | <<locked>> | 80% | 35,433 psi | 63% | 2270 fps | 95% |
| Hodgdon H4350 | <<locked>> | 82% | 41,118 psi | 73% | 2343 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,501 psi | 54% | 2146 fps | 98% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,804 psi | 83% | 2457 fps | 100% |
| Hodgdon Superformance | 46.3 gr | 84% | 39,624 psi | 70% | 2385 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,992 psi | 48% | 1371 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,788 psi | 79% | 2362 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,934 psi | 83% | 2385 fps | 98% |
| IMR 4350 | <<locked>> | 84% | 38,305 psi | 68% | 2277 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,479 psi | 70% | 2277 fps | 96.1% |
| IMR 4831 | <<locked>> | 80% | 32,285 psi | 57% | 2192 fps | 97% |
| IMR 4895 | <<locked>> | 80% | 46,644 psi | 82% | 2438 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,962 psi | 79% | 2362 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,985 psi | 65% | 2234 fps | 96.9% |
| Lovex S070 | <<locked>> | 80% | 35,114 psi | 62% | 2215 fps | 95.1% |
| Lovex S071 | <<locked>> | 94% | 32,750 psi | 58% | 2208 fps | 95.2% |
| Norma 203B | <<locked>> | 80% | 44,860 psi | 79% | 2402 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 42,946 psi | 76% | 2402 fps | 95.2% |
| Norma MRP | <<locked>> | 92% | 38,290 psi | 68% | 2408 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 33,417 psi | 59% | 2228 fps | 97.1% |
| Ramshot Big Game | <<locked>> | 80% | 44,730 psi | 79% | 2418 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 82% | 34,737 psi | 61% | 2267 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,282 psi | 48% | 1401 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,236 psi | 76% | 2356 fps | 97.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 39,436 psi | 70% | 2402 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,808 psi | 58% | 2241 fps | 96.7% |
| ReloadSwiss RS 70 | 42.3 gr | 80% | 32,460 psi | 57% | 2244 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 46,644 psi | 82% | 2372 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,132 psi | 71% | 2316 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 94% | 46,833 psi | 83% | 2438 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 92% | 40,553 psi | 72% | 2382 fps | 95% |
| Rottweil R 907 | <<locked>> | 80% | 37,985 psi | 67% | 2247 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,985 psi | 65% | 2234 fps | 96.9% |
| Shooters World Precision | <<locked>> | 80% | 44,962 psi | 79% | 2362 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 35,114 psi | 62% | 2215 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,002 psi | 72% | 2362 fps | 99.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,090 psi | 74% | 2244 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 36,027 psi | 64% | 2182 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 42,931 psi | 76% | 2431 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 40,799 psi | 72% | 2320 fps | 99.8% |
| Somchem S365 | <<locked>> | 80% | 29,965 psi | 53% | 2188 fps | 99% |
| Somchem S385 | <<locked>> | 90% | 38,798 psi | 69% | 2326 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 80% | 46,717 psi | 83% | 2343 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,876 psi | 83% | 2356 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,740 psi | 68% | 2257 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 34,693 psi | 61% | 2224 fps | 97.5% |
| Vihtavuori N165 | <<locked>> | 96% | 40,654 psi | 72% | 2349 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 45,208 psi | 80% | 2352 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,272 psi | 61% | 2231 fps | 97.1% |
| Vihtavuori N555 | <<locked>> | 82% | 27,659 psi | 49% | 2136 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,214 psi | 60% | 2208 fps | 99.1% |
| Winchester 760 | <<locked>> | 80% | 35,433 psi | 63% | 2270 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 86% | 25,599 psi | 45% | 2142 fps | 96.1% |
| Winchester Supreme 780 | <<locked>> | 96% | 43,874 psi | 78% | 2408 fps | 95.6% |
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 75 powders for 7 x 57 loaded with the .284 | 177gr | RWS ID Classic. Alliant Reloder-26 delivers the highest muzzle velocity at 2,664 fps; across all powders the maximum-charge window runs from 1,535 fps to 2,664 fps. Accurate 3100 gives the best case fill at 100 %, and 75 of the 75 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 177.0 gr projectile in 0.284" calls for a 1:11.5 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 | 177gr | RWS ID Classic 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.