Load Specifications
Load data in caliber 7 x 57 with .284 | 150gr | Berger Classic Hybrid Hunter bullet and 86 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, ReloadSwiss RS 60 and Alliant Reloder-17.
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>> | 86% | 49,676 psi | 88% | 2608 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 49,864 psi | 88% | 2654 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 49,153 psi | 87% | 2723 fps | 99% |
| ADI AR 2206H | <<locked>> | 84% | 50,488 psi | 89% | 2680 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 88% | 48,443 psi | 86% | 2631 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 82% | 49,647 psi | 88% | 2635 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 49,893 psi | 88% | 2612 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 49,647 psi | 88% | 2782 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 51,140 psi | 90% | 2700 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 48,718 psi | 86% | 2671 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 98% | 50,734 psi | 90% | 2779 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 92% | 48,138 psi | 85% | 2759 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,624 psi | 68% | 2575 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,917 psi | 76% | 2723 fps | 97.7% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 49,995 psi | 88% | 2690 fps | 99.2% |
| Bofors RP3 | <<locked>> | 88% | 48,138 psi | 85% | 2661 fps | 99.9% |
| Bofors RP7 | <<locked>> | 92% | 48,791 psi | 86% | 2631 fps | 95.9% |
| Hodgdon Benchmark | <<locked>> | 82% | 51,126 psi | 90% | 2618 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 48,370 psi | 86% | 2657 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 49,211 psi | 87% | 2671 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 94% | 48,704 psi | 86% | 2717 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 84% | 51,010 psi | 90% | 2690 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 50,096 psi | 89% | 2710 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 50,053 psi | 88% | 2720 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 48,994 psi | 87% | 2743 fps | 96.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,375 psi | 63% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 48,762 psi | 86% | 2641 fps | 99.8% |
| IMR 3031 | <<locked>> | 84% | 50,908 psi | 90% | 2677 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 50,995 psi | 90% | 2664 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 86% | 50,923 psi | 90% | 2641 fps | 97% |
| IMR 4350 | <<locked>> | 96% | 48,907 psi | 86% | 2654 fps | 96% |
| IMR 4451 Enduron | <<locked>> | 92% | 50,604 psi | 89% | 2664 fps | 96.8% |
| IMR 4831 | <<locked>> | 98% | 49,632 psi | 88% | 2713 fps | 99.1% |
| IMR 4895 | <<locked>> | 86% | 49,966 psi | 88% | 2700 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 82% | 49,647 psi | 88% | 2635 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 49,719 psi | 88% | 2654 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 50,154 psi | 89% | 2612 fps | 99.7% |
| Lovex S062 | <<locked>> | 88% | 50,865 psi | 90% | 2664 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 49,879 psi | 88% | 2657 fps | 98% |
| Lovex S070 | <<locked>> | 96% | 50,531 psi | 89% | 2687 fps | 97.2% |
| Norma 201 | <<locked>> | 84% | 49,443 psi | 87% | 2631 fps | 100% |
| Norma 202 | <<locked>> | 84% | 49,777 psi | 88% | 2635 fps | 100% |
| Norma 203B | <<locked>> | 88% | 51,140 psi | 90% | 2710 fps | 99.8% |
| Norma URP | <<locked>> | 96% | 48,385 psi | 86% | 2710 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 88% | 51,126 psi | 90% | 2730 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 98% | 50,734 psi | 90% | 2759 fps | 97.9% |
| Ramshot TAC | <<locked>> | 82% | 49,603 psi | 88% | 2644 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 82% | 49,153 psi | 87% | 2664 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,056 psi | 64% | 1703 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 49,516 psi | 88% | 2651 fps | 97.3% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 48,370 psi | 86% | 2723 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 48,124 psi | 85% | 2766 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 48,791 psi | 86% | 2743 fps | 98.8% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 48,602 psi | 86% | 2762 fps | 98.4% |
| Rottweil R 901 | <<locked>> | 82% | 50,415 psi | 89% | 2615 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 49,748 psi | 88% | 2628 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 48,341 psi | 85% | 2657 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 92% | 48,791 psi | 86% | 2631 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 94% | 49,879 psi | 88% | 2657 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 84% | 49,719 psi | 88% | 2654 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 50,865 psi | 90% | 2664 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 50,531 psi | 89% | 2687 fps | 97.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 49,647 psi | 88% | 2713 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 51,140 psi | 90% | 2674 fps | 98.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 48,733 psi | 86% | 2648 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 50,850 psi | 90% | 2575 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 50,836 psi | 90% | 2575 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 50,111 psi | 89% | 2612 fps | 96.8% |
| Somchem S335 | <<locked>> | 84% | 50,444 psi | 89% | 2579 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 50,995 psi | 90% | 2671 fps | 99.7% |
| Somchem S355 | <<locked>> | 90% | 48,892 psi | 86% | 2657 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 49,588 psi | 88% | 2769 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 51,140 psi | 90% | 2566 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 49,327 psi | 87% | 2598 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 50,183 psi | 89% | 2615 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 50,096 psi | 89% | 2641 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 50,966 psi | 90% | 2713 fps | 99.1% |
| Vihtavuori N530 | <<locked>> | 82% | 49,690 psi | 88% | 2631 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 48,472 psi | 86% | 2608 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 49,937 psi | 88% | 2713 fps | 98.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 42,090 psi | 74% | 2648 fps | 98.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 51,053 psi | 90% | 2690 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 49,516 psi | 88% | 2677 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 48,704 psi | 86% | 2717 fps | 96.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 34,490 psi | 61% | 2569 fps | 98.2% |
| Winchester StaBALL Match | <<locked>> | 84% | 48,312 psi | 85% | 2654 fps | 99.8% |
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% | 40,959 psi | 72% | 2474 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 38,754 psi | 69% | 2467 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 34,824 psi | 62% | 2451 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 44,512 psi | 79% | 2579 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 80% | 37,840 psi | 67% | 2431 fps | 97.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,601 psi | 82% | 2585 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 46,920 psi | 83% | 2572 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 40,422 psi | 71% | 2605 fps | 97.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 37,391 psi | 66% | 2451 fps | 98.5% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,263 psi | 71% | 2513 fps | 98% |
| Alliant Reloder-16 | <<locked>> | 86% | 34,969 psi | 62% | 2457 fps | 95.7% |
| Alliant Reloder-17 | 41.9 gr | 80% | 32,213 psi | 57% | 2418 fps | 96.5% |
| Alliant Reloder-23 | <<locked>> | 92% | 30,284 psi | 54% | 2365 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 96% | 37,434 psi | 66% | 2602 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,598 psi | 77% | 2579 fps | 98.2% |
| Bofors RP3 | <<locked>> | 80% | 36,999 psi | 65% | 2454 fps | 98.5% |
| Bofors RP7 | <<locked>> | 90% | 45,803 psi | 81% | 2579 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 48,341 psi | 85% | 2572 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,382 psi | 80% | 2605 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 80% | 37,782 psi | 67% | 2454 fps | 96% |
| Hodgdon H414 | <<locked>> | 90% | 42,511 psi | 75% | 2605 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 44,962 psi | 79% | 2589 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 30,211 psi | 53% | 2310 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,915 psi | 72% | 2562 fps | 99.3% |
| Hodgdon Superformance | <<locked>> | 92% | 45,672 psi | 81% | 2684 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,498 psi | 47% | 1486 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,946 psi | 76% | 2539 fps | 99.2% |
| IMR 3031 | <<locked>> | 80% | 44,440 psi | 79% | 2582 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,682 psi | 70% | 2464 fps | 97.9% |
| IMR 4166 Enduron | <<locked>> | 82% | 45,005 psi | 80% | 2536 fps | 95.6% |
| IMR 4350 | <<locked>> | 94% | 45,919 psi | 81% | 2605 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 44,744 psi | 79% | 2562 fps | 95.4% |
| IMR 4831 | <<locked>> | 86% | 33,736 psi | 60% | 2408 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 41,249 psi | 73% | 2546 fps | 98.7% |
| IMR 8208 XBR | <<locked>> | 80% | 46,601 psi | 82% | 2585 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 43,598 psi | 77% | 2559 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,556 psi | 79% | 2516 fps | 99.1% |
| Lovex S062 | <<locked>> | 80% | 39,668 psi | 70% | 2470 fps | 99.2% |
| Lovex S065 | <<locked>> | 86% | 39,073 psi | 69% | 2461 fps | 95.5% |
| Lovex S070 | <<locked>> | 90% | 42,134 psi | 74% | 2539 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 43,555 psi | 77% | 2530 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 43,787 psi | 77% | 2536 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,639 psi | 70% | 2503 fps | 98.3% |
| Norma URP | <<locked>> | 86% | 35,099 psi | 62% | 2451 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 39,117 psi | 69% | 2516 fps | 98% |
| Ramshot Hunter | <<locked>> | 92% | 41,756 psi | 74% | 2595 fps | 95.8% |
| Ramshot TAC | <<locked>> | 80% | 46,412 psi | 82% | 2592 fps | 97.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,876 psi | 81% | 2608 fps | 99.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,687 psi | 47% | 1519 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 40,872 psi | 72% | 2493 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 42,264 psi | 75% | 2615 fps | 98.4% |
| ReloadSwiss RS 60 | 41.9 gr | 80% | 34,301 psi | 61% | 2484 fps | 99.3% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 34,447 psi | 61% | 2464 fps | 95.1% |
| ReloadSwiss RS 70 | 46.8 gr | 88% | 37,057 psi | 66% | 2523 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 47,645 psi | 84% | 2572 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 41,408 psi | 73% | 2484 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 80% | 34,766 psi | 61% | 2402 fps | 97.7% |
| Rottweil R 907 | <<locked>> | 90% | 45,803 psi | 81% | 2579 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 86% | 39,073 psi | 69% | 2461 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,598 psi | 77% | 2559 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,668 psi | 70% | 2470 fps | 99.2% |
| Shooters World SW4350 | <<locked>> | 90% | 42,134 psi | 74% | 2539 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,839 psi | 63% | 2451 fps | 97.2% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 44,759 psi | 79% | 2566 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,004 psi | 76% | 2549 fps | 98.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,947 psi | 79% | 2487 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,362 psi | 66% | 2359 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 44,019 psi | 78% | 2513 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 44,541 psi | 79% | 2487 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,382 psi | 78% | 2562 fps | 99% |
| Somchem S355 | <<locked>> | 80% | 35,708 psi | 63% | 2408 fps | 97.8% |
| Somchem S365 | <<locked>> | 80% | 26,005 psi | 46% | 2244 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 80% | 45,237 psi | 80% | 2480 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,930 psi | 72% | 2467 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,423 psi | 73% | 2474 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,866 psi | 60% | 2346 fps | 98.5% |
| Vihtavuori N160 | <<locked>> | 84% | 34,461 psi | 61% | 2402 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 46,601 psi | 82% | 2579 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 39,856 psi | 70% | 2464 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 36,085 psi | 64% | 2454 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 92% | 32,474 psi | 57% | 2441 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,081 psi | 53% | 2274 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 46,166 psi | 82% | 2621 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 42,815 psi | 76% | 2612 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 96% | 30,269 psi | 54% | 2438 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,279 psi | 75% | 2549 fps | 99.2% |
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 86 powders for 7 x 57 loaded with the .284 | 150gr | Berger Classic Hybrid Hunter. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,782 fps; across all powders the maximum-charge window runs from 1,660 fps to 2,782 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Alliant Reloder-26, Hodgdon Hybrid 100V 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, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for 7 x 57 with the .284 | 150gr | Berger Classic Hybrid Hunter 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.