Load Specifications
Load data in caliber 7 x 57 R with .284 | 152gr | Hasler ARIETE bullet and 63 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and ReloadSwiss RS 62.
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 2495 | <<locked>> | 86% | 43,918 psi | 89% | 2487 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 44,150 psi | 90% | 2526 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 42,902 psi | 87% | 2572 fps | 97.6% |
| ADI AR 2206H | <<locked>> | 82% | 42,873 psi | 87% | 2500 fps | 98.6% |
| ADI AR 2208 | <<locked>> | 88% | 44,121 psi | 89% | 2507 fps | 98.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 41,611 psi | 84% | 2579 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 43,308 psi | 88% | 2523 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 86% | 43,714 psi | 89% | 2536 fps | 98.4% |
| Alliant Reloder-16 | <<locked>> | 96% | 42,801 psi | 87% | 2582 fps | 97.7% |
| Alliant Reloder-17 | <<locked>> | 92% | 43,004 psi | 87% | 2615 fps | 99.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,084 psi | 69% | 2421 fps | 96.6% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 42,206 psi | 86% | 2507 fps | 97.5% |
| Bofors RP3 | <<locked>> | 88% | 42,960 psi | 87% | 2530 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 82% | 43,366 psi | 88% | 2526 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 88% | 44,150 psi | 90% | 2536 fps | 97.3% |
| Hodgdon H4895 | <<locked>> | 82% | 43,236 psi | 88% | 2510 fps | 99% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,599 psi | 90% | 2572 fps | 99.2% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 41,698 psi | 85% | 2533 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,751 psi | 70% | 1601 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 44,483 psi | 90% | 2520 fps | 99.2% |
| IMR 3031 | <<locked>> | 82% | 42,699 psi | 87% | 2513 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 43,511 psi | 88% | 2490 fps | 98.3% |
| IMR 4831 | <<locked>> | 98% | 44,005 psi | 89% | 2575 fps | 97.9% |
| IMR 4895 | <<locked>> | 84% | 42,003 psi | 85% | 2513 fps | 98.5% |
| Lovex D073.6 | <<locked>> | 84% | 44,498 psi | 90% | 2530 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 43,381 psi | 88% | 2444 fps | 98.7% |
| Lovex S062 | <<locked>> | 86% | 43,105 psi | 87% | 2490 fps | 99.5% |
| Lovex S065 | <<locked>> | 92% | 42,482 psi | 86% | 2477 fps | 95.9% |
| Norma 201 | <<locked>> | 82% | 41,872 psi | 85% | 2454 fps | 99.3% |
| Norma 202 | <<locked>> | 82% | 42,163 psi | 86% | 2467 fps | 100% |
| Norma 203B | <<locked>> | 86% | 42,989 psi | 87% | 2526 fps | 98.7% |
| Norma URP | <<locked>> | 96% | 43,033 psi | 87% | 2569 fps | 97.5% |
| Ramshot Big Game | <<locked>> | 86% | 42,873 psi | 87% | 2543 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 82% | 44,454 psi | 90% | 2536 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,099 psi | 71% | 1640 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 43,163 psi | 88% | 2589 fps | 98.3% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 43,134 psi | 87% | 2625 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 42,757 psi | 87% | 2592 fps | 97.3% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 43,395 psi | 88% | 2605 fps | 96.6% |
| Rottweil R 902 | <<locked>> | 84% | 42,482 psi | 86% | 2457 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 90% | 42,844 psi | 87% | 2523 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 42,482 psi | 86% | 2477 fps | 95.9% |
| Shooters World Match Rifle | <<locked>> | 84% | 44,498 psi | 90% | 2530 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 43,105 psi | 87% | 2490 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 44,585 psi | 90% | 2579 fps | 98.8% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 42,931 psi | 87% | 2484 fps | 96.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 44,324 psi | 90% | 2523 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 43,714 psi | 89% | 2418 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 43,656 psi | 89% | 2425 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 43,047 psi | 87% | 2418 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 42,989 psi | 87% | 2490 fps | 98.5% |
| Somchem S355 | <<locked>> | 90% | 43,947 psi | 89% | 2530 fps | 99.1% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,801 psi | 89% | 2628 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 82% | 43,990 psi | 89% | 2415 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 44,396 psi | 90% | 2484 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 42,583 psi | 86% | 2451 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 41,974 psi | 85% | 2467 fps | 99.6% |
| Vihtavuori N160 | <<locked>> | 94% | 42,525 psi | 86% | 2523 fps | 97.3% |
| Vihtavuori N540 | <<locked>> | 86% | 43,787 psi | 89% | 2490 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 44,324 psi | 90% | 2572 fps | 97.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,376 psi | 74% | 2493 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 42,946 psi | 87% | 2507 fps | 99.1% |
| Winchester StaBALL Match | <<locked>> | 84% | 43,598 psi | 88% | 2526 fps | 99.1% |
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% | 35,766 psi | 73% | 2346 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 33,895 psi | 69% | 2336 fps | 99.6% |
| Accurate 4350 | <<locked>> | 90% | 34,708 psi | 70% | 2411 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 40,219 psi | 82% | 2448 fps | 98% |
| ADI AR 2208 | <<locked>> | 80% | 34,142 psi | 69% | 2306 fps | 95.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 36,347 psi | 74% | 2461 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,388 psi | 68% | 2326 fps | 97.1% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,042 psi | 73% | 2382 fps | 96.4% |
| Alliant Reloder-16 | <<locked>> | 90% | 35,694 psi | 72% | 2428 fps | 95.4% |
| Alliant Reloder-17 | 39.1 gr | 82% | 30,661 psi | 62% | 2329 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 98% | 32,024 psi | 65% | 2369 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,320 psi | 80% | 2451 fps | 96.8% |
| Bofors RP3 | <<locked>> | 80% | 32,619 psi | 66% | 2323 fps | 97% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,654 psi | 82% | 2480 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 84% | 38,769 psi | 79% | 2431 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 40,538 psi | 82% | 2461 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 30,356 psi | 62% | 2274 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,390 psi | 74% | 2428 fps | 98.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,933 psi | 53% | 1434 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,131 psi | 79% | 2418 fps | 98.2% |
| IMR 3031 | <<locked>> | 80% | 39,871 psi | 81% | 2461 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,810 psi | 73% | 2339 fps | 96.4% |
| IMR 4831 | <<locked>> | 92% | 36,056 psi | 73% | 2421 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 36,869 psi | 75% | 2411 fps | 97.3% |
| Lovex D073.6 | <<locked>> | 80% | 38,667 psi | 78% | 2428 fps | 99.7% |
| Lovex S060 | <<locked>> | 80% | 40,756 psi | 83% | 2395 fps | 98.2% |
| Lovex S062 | <<locked>> | 80% | 35,520 psi | 72% | 2343 fps | 98.1% |
| Lovex S065 | <<locked>> | 90% | 39,871 psi | 81% | 2428 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 39,233 psi | 80% | 2405 fps | 98.9% |
| Norma 202 | <<locked>> | 80% | 39,508 psi | 80% | 2418 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 35,389 psi | 72% | 2372 fps | 96.8% |
| Norma URP | <<locked>> | 90% | 35,404 psi | 72% | 2415 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 34,911 psi | 71% | 2382 fps | 96.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,437 psi | 84% | 2480 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,063 psi | 53% | 1467 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,391 psi | 76% | 2474 fps | 96.8% |
| ReloadSwiss RS 60 | 38.2 gr | 80% | 30,734 psi | 62% | 2343 fps | 97.9% |
| ReloadSwiss RS 62 | 43.9 gr | 92% | 37,246 psi | 76% | 2484 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,727 psi | 83% | 2552 fps | 95.7% |
| Rottweil R 902 | <<locked>> | 80% | 37,333 psi | 76% | 2359 fps | 98.5% |
| Rottweil R 903 | <<locked>> | 80% | 30,632 psi | 62% | 2267 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 39,871 psi | 81% | 2428 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,667 psi | 78% | 2428 fps | 99.7% |
| Shooters World Precision | <<locked>> | 80% | 35,520 psi | 72% | 2343 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,952 psi | 65% | 2316 fps | 95.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 40,248 psi | 82% | 2434 fps | 96.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,812 psi | 79% | 2421 fps | 97.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,944 psi | 83% | 2372 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,707 psi | 68% | 2244 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 40,408 psi | 82% | 2375 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 40,030 psi | 81% | 2434 fps | 97.9% |
| Somchem S355 | <<locked>> | 80% | 31,734 psi | 64% | 2280 fps | 96.1% |
| Somchem S365 | <<locked>> | 86% | 27,601 psi | 56% | 2257 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 41,220 psi | 84% | 2369 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,492 psi | 74% | 2349 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,376 psi | 76% | 2359 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 30,124 psi | 61% | 2221 fps | 97% |
| Vihtavuori N160 | <<locked>> | 90% | 37,304 psi | 76% | 2421 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 35,897 psi | 73% | 2346 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 90% | 36,303 psi | 74% | 2418 fps | 95.2% |
| Vihtavuori N555 | <<locked>> | 98% | 34,040 psi | 69% | 2441 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 30,763 psi | 62% | 2247 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 38,072 psi | 77% | 2421 fps | 98.1% |
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 63 powders for 7 x 57 R loaded with the .284 | 152gr | Hasler ARIETE. Somchem S365 delivers the highest muzzle velocity at 2,628 fps; across all powders the maximum-charge window runs from 1,601 fps to 2,628 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 63 of the 63 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (340 MPa), the top charges use 69–90 %, leaving at least 10 % headroom. The 152.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Hodgdon Hybrid 100V, Hodgdon TrailBoss 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 60, Alliant Reloder-17, ReloadSwiss RS 62 rank at the top here: for 7 x 57 R with the .284 | 152gr | Hasler ARIETE 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.