Load Specifications
Load data in caliber 7 x 57 R with .284 | 152gr | Barnes LRX BT bullet and 64 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% | 43,830 psi | 89% | 2487 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 44,077 psi | 89% | 2526 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 42,757 psi | 87% | 2572 fps | 97.6% |
| ADI AR 2206H | <<locked>> | 82% | 43,105 psi | 87% | 2503 fps | 98.6% |
| ADI AR 2208 | <<locked>> | 88% | 44,063 psi | 89% | 2507 fps | 98.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 44,556 psi | 90% | 2638 fps | 98.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 43,250 psi | 88% | 2523 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 86% | 43,947 psi | 89% | 2539 fps | 98.4% |
| Alliant Reloder-16 | <<locked>> | 96% | 43,047 psi | 87% | 2585 fps | 97.8% |
| Alliant Reloder-17 | <<locked>> | 92% | 43,265 psi | 88% | 2621 fps | 99.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,243 psi | 69% | 2428 fps | 96.6% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 42,090 psi | 85% | 2503 fps | 97.5% |
| Bofors RP3 | <<locked>> | 88% | 42,902 psi | 87% | 2530 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 82% | 43,598 psi | 88% | 2533 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 88% | 44,382 psi | 90% | 2539 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 82% | 43,439 psi | 88% | 2513 fps | 99.1% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 41,959 psi | 85% | 2526 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 41,916 psi | 85% | 2536 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,722 psi | 70% | 1601 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 44,382 psi | 90% | 2516 fps | 99.1% |
| IMR 3031 | <<locked>> | 82% | 42,656 psi | 87% | 2510 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 43,424 psi | 88% | 2487 fps | 98.3% |
| IMR 4831 | <<locked>> | 98% | 43,932 psi | 89% | 2572 fps | 97.9% |
| IMR 4895 | <<locked>> | 84% | 42,235 psi | 86% | 2520 fps | 98.6% |
| Lovex D073.6 | <<locked>> | 84% | 44,411 psi | 90% | 2530 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 43,337 psi | 88% | 2444 fps | 98.7% |
| Lovex S062 | <<locked>> | 86% | 43,047 psi | 87% | 2490 fps | 99.5% |
| Lovex S065 | <<locked>> | 92% | 42,366 psi | 86% | 2477 fps | 95.9% |
| Norma 201 | <<locked>> | 84% | 44,541 psi | 90% | 2503 fps | 99.6% |
| Norma 202 | <<locked>> | 82% | 42,119 psi | 85% | 2467 fps | 100% |
| Norma 203B | <<locked>> | 86% | 43,221 psi | 88% | 2530 fps | 98.7% |
| Norma URP | <<locked>> | 96% | 43,279 psi | 88% | 2575 fps | 97.6% |
| Ramshot Big Game | <<locked>> | 86% | 42,815 psi | 87% | 2543 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 82% | 44,382 psi | 90% | 2533 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,056 psi | 71% | 1640 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 43,105 psi | 87% | 2585 fps | 98.2% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 43,047 psi | 87% | 2625 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 42,685 psi | 87% | 2592 fps | 97.2% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 43,584 psi | 88% | 2612 fps | 96.7% |
| Rottweil R 902 | <<locked>> | 84% | 42,424 psi | 86% | 2457 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 90% | 42,757 psi | 87% | 2520 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 42,366 psi | 86% | 2477 fps | 95.9% |
| Shooters World Match Rifle | <<locked>> | 84% | 44,411 psi | 90% | 2530 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 43,047 psi | 87% | 2490 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 44,469 psi | 90% | 2579 fps | 98.8% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 43,149 psi | 88% | 2490 fps | 96.9% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 44,251 psi | 90% | 2523 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 43,671 psi | 89% | 2418 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 43,555 psi | 88% | 2425 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 42,989 psi | 87% | 2418 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 42,931 psi | 87% | 2490 fps | 98.5% |
| Somchem S355 | <<locked>> | 90% | 43,859 psi | 89% | 2526 fps | 99.1% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,729 psi | 89% | 2625 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 82% | 43,918 psi | 89% | 2415 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 44,309 psi | 90% | 2484 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 42,496 psi | 86% | 2451 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 41,916 psi | 85% | 2464 fps | 99.6% |
| Vihtavuori N160 | <<locked>> | 94% | 42,438 psi | 86% | 2523 fps | 97.2% |
| Vihtavuori N540 | <<locked>> | 86% | 43,700 psi | 89% | 2490 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 44,541 psi | 90% | 2575 fps | 97.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,564 psi | 74% | 2497 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 43,134 psi | 87% | 2510 fps | 99.1% |
| Winchester 748 | <<locked>> | 82% | 44,541 psi | 90% | 2552 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 84% | 43,497 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% | 35,723 psi | 72% | 2346 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 33,837 psi | 69% | 2336 fps | 99.6% |
| Accurate 4350 | <<locked>> | 90% | 34,650 psi | 70% | 2408 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 40,161 psi | 81% | 2448 fps | 98% |
| ADI AR 2208 | <<locked>> | 80% | 34,345 psi | 70% | 2310 fps | 95.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 36,303 psi | 74% | 2461 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,301 psi | 68% | 2323 fps | 97.1% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,955 psi | 73% | 2382 fps | 96.4% |
| Alliant Reloder-16 | <<locked>> | 90% | 35,621 psi | 72% | 2428 fps | 95.4% |
| Alliant Reloder-17 | 39.2 gr | 82% | 30,835 psi | 63% | 2336 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 32,184 psi | 65% | 2375 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,233 psi | 80% | 2451 fps | 96.7% |
| Bofors RP3 | <<locked>> | 80% | 32,576 psi | 66% | 2320 fps | 97% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,553 psi | 82% | 2477 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 82% | 36,230 psi | 73% | 2379 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 40,466 psi | 82% | 2461 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 30,530 psi | 62% | 2277 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,550 psi | 74% | 2431 fps | 98.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,918 psi | 53% | 1434 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,059 psi | 79% | 2418 fps | 98.2% |
| IMR 3031 | <<locked>> | 80% | 39,813 psi | 81% | 2461 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 36,013 psi | 73% | 2343 fps | 96.5% |
| IMR 4831 | <<locked>> | 92% | 35,984 psi | 73% | 2421 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 36,811 psi | 75% | 2411 fps | 97.3% |
| Lovex D073.6 | <<locked>> | 80% | 38,609 psi | 78% | 2428 fps | 99.7% |
| Lovex S060 | <<locked>> | 80% | 40,683 psi | 83% | 2395 fps | 98.2% |
| Lovex S062 | <<locked>> | 80% | 35,433 psi | 72% | 2343 fps | 98.1% |
| Lovex S065 | <<locked>> | 90% | 39,813 psi | 81% | 2428 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 39,160 psi | 79% | 2405 fps | 98.9% |
| Norma 202 | <<locked>> | 80% | 39,436 psi | 80% | 2418 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 35,346 psi | 72% | 2372 fps | 96.8% |
| Norma URP | <<locked>> | 90% | 35,302 psi | 72% | 2415 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 34,853 psi | 71% | 2382 fps | 96.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,365 psi | 84% | 2480 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,034 psi | 53% | 1463 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,347 psi | 76% | 2474 fps | 96.8% |
| ReloadSwiss RS 60 | 38.2 gr | 80% | 30,647 psi | 62% | 2343 fps | 97.8% |
| ReloadSwiss RS 62 | 43.9 gr | 92% | 37,188 psi | 75% | 2484 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,654 psi | 82% | 2549 fps | 95.7% |
| Rottweil R 902 | <<locked>> | 80% | 37,289 psi | 76% | 2359 fps | 98.5% |
| Rottweil R 903 | <<locked>> | 80% | 30,560 psi | 62% | 2267 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 39,813 psi | 81% | 2428 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,609 psi | 78% | 2428 fps | 99.7% |
| Shooters World Precision | <<locked>> | 80% | 35,433 psi | 72% | 2343 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,879 psi | 65% | 2316 fps | 95.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 40,190 psi | 82% | 2434 fps | 96.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,725 psi | 79% | 2418 fps | 97.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,147 psi | 83% | 2375 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,895 psi | 69% | 2251 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 40,364 psi | 82% | 2372 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,987 psi | 81% | 2434 fps | 97.9% |
| Somchem S355 | <<locked>> | 80% | 31,691 psi | 64% | 2277 fps | 96.1% |
| Somchem S365 | <<locked>> | 86% | 27,775 psi | 56% | 2260 fps | 95.6% |
| Vihtavuori N133 | <<locked>> | 80% | 41,408 psi | 84% | 2375 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,695 psi | 74% | 2356 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,333 psi | 76% | 2359 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 30,081 psi | 61% | 2224 fps | 97% |
| Vihtavuori N160 | <<locked>> | 90% | 37,260 psi | 76% | 2421 fps | 95.8% |
| Vihtavuori N540 | <<locked>> | 80% | 35,853 psi | 73% | 2346 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 90% | 36,492 psi | 74% | 2421 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 98% | 34,229 psi | 69% | 2444 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 30,908 psi | 63% | 2251 fps | 95.5% |
| Winchester 748 | <<locked>> | 80% | 41,394 psi | 84% | 2497 fps | 99.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 38,000 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 64 powders for 7 x 57 R loaded with the .284 | 152gr | Barnes LRX BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,638 fps; across all powders the maximum-charge window runs from 1,601 fps to 2,638 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 64 of the 64 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 TrailBoss, ReloadSwiss RS 14 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 | Barnes LRX BT 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.