Load Specifications
Load data in caliber 7 x 57 with .284 | 140gr | Peregrine VLR-4 bullet and 83 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 52.
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 2015 | <<locked>> | 84% | 48,385 psi | 86% | 2631 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 49,545 psi | 88% | 2690 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 48,805 psi | 86% | 2687 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 47,834 psi | 85% | 2700 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 48,747 psi | 86% | 2726 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 47,935 psi | 85% | 2782 fps | 98% |
| ADI AR 2206H | <<locked>> | 88% | 50,560 psi | 89% | 2756 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 92% | 48,791 psi | 86% | 2707 fps | 98.5% |
| ADI Benchmark 8208 | <<locked>> | 86% | 50,111 psi | 89% | 2717 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 86% | 49,617 psi | 88% | 2700 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 49,951 psi | 88% | 2858 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 51,126 psi | 90% | 2779 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 90% | 48,559 psi | 86% | 2743 fps | 98.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,369 psi | 84% | 2785 fps | 98.1% |
| Alliant Reloder-17 | <<locked>> | 96% | 48,080 psi | 85% | 2828 fps | 99.4% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 50,183 psi | 89% | 2766 fps | 98.5% |
| Bofors RP3 | <<locked>> | 94% | 51,155 psi | 90% | 2789 fps | 99.8% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,965 psi | 87% | 2657 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 86% | 48,733 psi | 86% | 2743 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 84% | 50,082 psi | 89% | 2825 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 82% | 50,401 psi | 89% | 2717 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 49,197 psi | 87% | 2743 fps | 97.7% |
| Hodgdon H4895 | <<locked>> | 88% | 50,995 psi | 90% | 2769 fps | 99.6% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,453 psi | 77% | 2671 fps | 98.6% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 49,821 psi | 88% | 2795 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,809 psi | 62% | 1693 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 49,327 psi | 87% | 2723 fps | 99.4% |
| IMR 3031 | <<locked>> | 88% | 50,386 psi | 89% | 2759 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 47,979 psi | 85% | 2687 fps | 98.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 45,498 psi | 80% | 2720 fps | 97.6% |
| IMR 4895 | <<locked>> | 90% | 49,763 psi | 88% | 2776 fps | 99.2% |
| IMR 8208 XBR | <<locked>> | 86% | 50,111 psi | 89% | 2717 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 82% | 49,429 psi | 87% | 2697 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 49,458 psi | 87% | 2736 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 51,024 psi | 90% | 2697 fps | 99.3% |
| Lovex S062 | <<locked>> | 92% | 50,401 psi | 89% | 2736 fps | 99.8% |
| Lovex S065 | <<locked>> | 98% | 49,763 psi | 88% | 2723 fps | 97% |
| Lovex S070ᴾ | <<locked>> | 100% | 50,111 psi | 89% | 2749 fps | 95.9% |
| Norma 201 | <<locked>> | 88% | 49,284 psi | 87% | 2707 fps | 99.7% |
| Norma 202 | <<locked>> | 88% | 49,632 psi | 88% | 2713 fps | 100% |
| Norma 203B | <<locked>> | 92% | 50,778 psi | 90% | 2782 fps | 99.3% |
| Norma URPᴾ | <<locked>> | 100% | 47,587 psi | 84% | 2772 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 90% | 47,834 psi | 85% | 2753 fps | 98.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 47,021 psi | 83% | 2762 fps | 95.9% |
| Ramshot TAC | <<locked>> | 86% | 50,372 psi | 89% | 2726 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 86% | 49,530 psi | 88% | 2746 fps | 99.1% |
| Ramshot X-Terminator | <<locked>> | 84% | 50,937 psi | 90% | 2717 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,070 psi | 62% | 1732 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,414 psi | 87% | 2700 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 49,908 psi | 88% | 2726 fps | 96.2% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 48,066 psi | 85% | 2799 fps | 98.6% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 47,979 psi | 85% | 2838 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 47,514 psi | 84% | 2799 fps | 97.7% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 48,776 psi | 86% | 2825 fps | 97.2% |
| Rottweil R 901 | <<locked>> | 86% | 50,212 psi | 89% | 2694 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 49,603 psi | 88% | 2703 fps | 99.7% |
| Rottweil R 903 | <<locked>> | 96% | 50,633 psi | 90% | 2772 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 98% | 49,763 psi | 88% | 2723 fps | 97% |
| Shooters World Match Rifle | <<locked>> | 88% | 49,458 psi | 87% | 2736 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 50,401 psi | 89% | 2736 fps | 99.8% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 50,111 psi | 89% | 2749 fps | 95.9% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 49,661 psi | 88% | 2789 fps | 99.1% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 48,298 psi | 85% | 2697 fps | 97.4% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 49,110 psi | 87% | 2730 fps | 99.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 48,515 psi | 86% | 2618 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 48,269 psi | 85% | 2618 fps | 100% |
| Somchem S321 | <<locked>> | 84% | 50,923 psi | 90% | 2749 fps | 99.9% |
| Somchem S335 | <<locked>> | 88% | 50,531 psi | 89% | 2657 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 47,921 psi | 85% | 2694 fps | 98.8% |
| Somchem S355 | <<locked>> | 94% | 48,370 psi | 86% | 2726 fps | 99.3% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,424 psi | 75% | 2723 fps | 99.5% |
| Vihtavuori N130 | <<locked>> | 82% | 48,486 psi | 86% | 2592 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 48,675 psi | 86% | 2612 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 49,211 psi | 87% | 2684 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 50,285 psi | 89% | 2697 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 49,588 psi | 88% | 2710 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,546 psi | 89% | 2779 fps | 98.2% |
| Vihtavuori N530 | <<locked>> | 86% | 50,256 psi | 89% | 2713 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 90% | 48,486 psi | 86% | 2690 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,371 psi | 87% | 2779 fps | 97.9% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 48,211 psi | 85% | 2713 fps | 99.4% |
| Winchester 748 | <<locked>> | 86% | 49,632 psi | 88% | 2759 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 88% | 48,588 psi | 86% | 2733 fps | 99.4% |
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 2015 | <<locked>> | 80% | 42,699 psi | 75% | 2539 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,311 psi | 82% | 2638 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,664 psi | 61% | 2441 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,582 psi | 74% | 2592 fps | 99.7% |
| Accurate 4064 | <<locked>> | 80% | 32,851 psi | 58% | 2425 fps | 99.1% |
| Accurate 4350 | <<locked>> | 94% | 38,580 psi | 68% | 2608 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 39,117 psi | 69% | 2543 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 35,491 psi | 63% | 2448 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,205 psi | 73% | 2562 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 80% | 40,640 psi | 72% | 2566 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 37,811 psi | 67% | 2608 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,401 psi | 57% | 2411 fps | 96% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,954 psi | 62% | 2470 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 92% | 36,985 psi | 65% | 2569 fps | 95% |
| Alliant Reloder-17 | 43 gr | 86% | 34,258 psi | 61% | 2533 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,145 psi | 67% | 2539 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 31,531 psi | 56% | 2405 fps | 95.8% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,178 psi | 76% | 2559 fps | 99.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,421 psi | 70% | 2572 fps | 98.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,627 psi | 77% | 2710 fps | 97.8% |
| Hodgdon H322 | <<locked>> | 80% | 47,311 psi | 84% | 2667 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 40,263 psi | 71% | 2579 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 39,407 psi | 70% | 2556 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 33,576 psi | 59% | 2461 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,331 psi | 62% | 2516 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,570 psi | 45% | 1506 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,072 psi | 67% | 2513 fps | 97.4% |
| IMR 3031 | <<locked>> | 80% | 38,479 psi | 68% | 2562 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,940 psi | 62% | 2431 fps | 95.3% |
| IMR 4831 | <<locked>> | 94% | 37,333 psi | 66% | 2562 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 35,766 psi | 63% | 2503 fps | 96.2% |
| IMR 8208 XBR | <<locked>> | 80% | 41,205 psi | 73% | 2562 fps | 98.7% |
| Lovex D073.5 | <<locked>> | 80% | 46,166 psi | 82% | 2644 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 37,579 psi | 66% | 2526 fps | 99.2% |
| Lovex S060 | <<locked>> | 80% | 39,900 psi | 71% | 2497 fps | 97.4% |
| Lovex S062 | <<locked>> | 80% | 34,577 psi | 61% | 2434 fps | 97.2% |
| Lovex S065 | <<locked>> | 94% | 43,816 psi | 77% | 2621 fps | 95.5% |
| Lovex S070 | <<locked>> | 98% | 47,166 psi | 83% | 2700 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 38,261 psi | 68% | 2503 fps | 98.2% |
| Norma 202 | <<locked>> | 80% | 38,464 psi | 68% | 2516 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 34,345 psi | 61% | 2461 fps | 95.7% |
| Norma URP | <<locked>> | 94% | 39,160 psi | 69% | 2612 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 33,881 psi | 60% | 2467 fps | 95.1% |
| Ramshot Hunter | <<locked>> | 98% | 43,947 psi | 78% | 2703 fps | 95% |
| Ramshot TAC | <<locked>> | 82% | 43,961 psi | 78% | 2612 fps | 95.8% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,248 psi | 71% | 2575 fps | 97.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,759 psi | 79% | 2608 fps | 98.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,904 psi | 46% | 1545 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,514 psi | 82% | 2651 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 46,673 psi | 83% | 2671 fps | 95.4% |
| ReloadSwiss RS 52 | 39.4 gr | 80% | 36,318 psi | 64% | 2566 fps | 95.7% |
| ReloadSwiss RS 60 | 40 gr | 80% | 29,892 psi | 53% | 2425 fps | 96.6% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 38,493 psi | 68% | 2621 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,293 psi | 75% | 2697 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 41,858 psi | 74% | 2552 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 36,448 psi | 64% | 2457 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 82% | 31,662 psi | 56% | 2402 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 94% | 43,816 psi | 77% | 2621 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,579 psi | 66% | 2526 fps | 99.2% |
| Shooters World Precision | <<locked>> | 80% | 34,577 psi | 61% | 2434 fps | 97.2% |
| Shooters World SW4350 | <<locked>> | 98% | 47,166 psi | 83% | 2700 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 35,389 psi | 63% | 2510 fps | 95.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,059 psi | 69% | 2523 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,840 psi | 67% | 2516 fps | 96.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,885 psi | 71% | 2470 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,779 psi | 58% | 2336 fps | 99.4% |
| Somchem S321 | <<locked>> | 80% | 44,280 psi | 78% | 2638 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 39,494 psi | 70% | 2474 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,827 psi | 69% | 2526 fps | 97% |
| Somchem S355 | <<locked>> | 82% | 32,866 psi | 58% | 2415 fps | 95.7% |
| Somchem S365 | <<locked>> | 88% | 28,616 psi | 51% | 2388 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 45,266 psi | 80% | 2543 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,103 psi | 71% | 2474 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,331 psi | 62% | 2448 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,361 psi | 64% | 2454 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 80% | 29,225 psi | 52% | 2306 fps | 95.9% |
| Vihtavuori N160 | <<locked>> | 92% | 38,493 psi | 68% | 2559 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 41,075 psi | 73% | 2556 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 80% | 34,838 psi | 62% | 2438 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 94% | 40,451 psi | 72% | 2618 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,097 psi | 57% | 2382 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 40,321 psi | 71% | 2595 fps | 99.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,956 psi | 65% | 2513 fps | 97.2% |
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 83 powders for 7 x 57 loaded with the .284 | 140gr | Peregrine VLR-4. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,858 fps; across all powders the maximum-charge window runs from 1,693 fps to 2,858 fps. Accurate 4350 gives the best case fill at 100 %, and 83 of the 83 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, 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 60, Alliant Reloder-17, ReloadSwiss RS 52 rank at the top here: for 7 x 57 with the .284 | 140gr | Peregrine VLR-4 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.