Load Specifications
Load data in caliber 7 x 57 with .284 | 150gr | Sierra MatchKing 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, Alliant Reloder-17 and ReloadSwiss RS 60.
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% | 50,082 psi | 89% | 2615 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 49,530 psi | 88% | 2608 fps | 95.9% |
| Accurate 4064 | <<locked>> | 88% | 50,227 psi | 89% | 2661 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 49,501 psi | 88% | 2730 fps | 99.1% |
| ADI AR 2206H | <<locked>> | 84% | 50,836 psi | 90% | 2687 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 88% | 48,747 psi | 86% | 2641 fps | 99.3% |
| ADI Benchmark 8208 | <<locked>> | 82% | 49,951 psi | 88% | 2644 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 50,343 psi | 89% | 2621 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 49,908 psi | 88% | 2789 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 48,675 psi | 86% | 2664 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 86% | 49,052 psi | 87% | 2680 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 98% | 51,024 psi | 90% | 2785 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 92% | 48,704 psi | 86% | 2769 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 38,798 psi | 69% | 2582 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 43,352 psi | 77% | 2736 fps | 97.8% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 50,299 psi | 89% | 2697 fps | 99.3% |
| Bofors RP3 | <<locked>> | 88% | 48,820 psi | 86% | 2674 fps | 99.9% |
| Bofors RP7 | <<locked>> | 92% | 49,066 psi | 87% | 2638 fps | 96% |
| Hodgdon BL-C2 | <<locked>> | 82% | 48,689 psi | 86% | 2664 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 49,487 psi | 87% | 2680 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 94% | 48,979 psi | 87% | 2723 fps | 96.8% |
| Hodgdon H4895 | <<locked>> | 82% | 48,254 psi | 85% | 2648 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 50,691 psi | 90% | 2720 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 50,357 psi | 89% | 2726 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 49,168 psi | 87% | 2749 fps | 96.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,636 psi | 63% | 1667 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 49,110 psi | 87% | 2648 fps | 99.8% |
| IMR 3031 | <<locked>> | 84% | 50,937 psi | 90% | 2680 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 48,182 psi | 85% | 2621 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 84% | 48,167 psi | 85% | 2595 fps | 96.4% |
| IMR 4350 | <<locked>> | 96% | 49,168 psi | 87% | 2664 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 92% | 50,850 psi | 90% | 2671 fps | 96.9% |
| IMR 4831 | <<locked>> | 98% | 50,299 psi | 89% | 2726 fps | 99.2% |
| IMR 4895 | <<locked>> | 86% | 50,299 psi | 89% | 2710 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 82% | 49,951 psi | 88% | 2644 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 50,372 psi | 89% | 2667 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 50,473 psi | 89% | 2618 fps | 99.7% |
| Lovex S062 | <<locked>> | 86% | 48,095 psi | 85% | 2621 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 50,415 psi | 89% | 2671 fps | 98.2% |
| Lovex S070 | <<locked>> | 96% | 51,111 psi | 90% | 2700 fps | 97.4% |
| Norma 201 | <<locked>> | 84% | 49,516 psi | 88% | 2635 fps | 100% |
| Norma 202 | <<locked>> | 84% | 50,154 psi | 89% | 2641 fps | 100% |
| Norma 203B | <<locked>> | 86% | 48,341 psi | 85% | 2667 fps | 99.6% |
| Norma URP | <<locked>> | 96% | 48,994 psi | 87% | 2723 fps | 99% |
| Ramshot Big Game | <<locked>> | 86% | 48,298 psi | 85% | 2684 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 98% | 50,952 psi | 90% | 2766 fps | 98% |
| Ramshot TAC | <<locked>> | 82% | 49,864 psi | 88% | 2651 fps | 98.2% |
| Ramshot Wild Boar | <<locked>> | 82% | 49,458 psi | 87% | 2671 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,027 psi | 64% | 1706 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 50,111 psi | 89% | 2664 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 48,762 psi | 86% | 2730 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 48,399 psi | 86% | 2772 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 49,023 psi | 87% | 2749 fps | 98.9% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 49,095 psi | 87% | 2772 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 82% | 50,821 psi | 90% | 2625 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 50,111 psi | 89% | 2635 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 48,718 psi | 86% | 2667 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 92% | 49,066 psi | 87% | 2638 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 94% | 50,415 psi | 89% | 2671 fps | 98.2% |
| Shooters World Match Rifle | <<locked>> | 84% | 50,372 psi | 89% | 2667 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 48,095 psi | 85% | 2621 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 51,111 psi | 90% | 2700 fps | 97.4% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 50,270 psi | 89% | 2723 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 48,312 psi | 85% | 2631 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 49,037 psi | 87% | 2654 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 48,051 psi | 85% | 2536 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 51,169 psi | 90% | 2582 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 50,386 psi | 89% | 2621 fps | 96.9% |
| Somchem S335 | <<locked>> | 84% | 50,459 psi | 89% | 2579 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 47,877 psi | 85% | 2625 fps | 99.5% |
| Somchem S355 | <<locked>> | 90% | 49,197 psi | 87% | 2664 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 49,864 psi | 88% | 2772 fps | 100% |
| Vihtavuori N133 | <<locked>> | 82% | 48,327 psi | 85% | 2526 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 49,748 psi | 88% | 2605 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 50,531 psi | 89% | 2621 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 50,357 psi | 89% | 2648 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 48,051 psi | 85% | 2667 fps | 98.8% |
| Vihtavuori N530 | <<locked>> | 82% | 50,038 psi | 88% | 2638 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 48,762 psi | 86% | 2615 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 50,502 psi | 89% | 2726 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 42,409 psi | 75% | 2654 fps | 98.5% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 48,138 psi | 85% | 2651 fps | 99.9% |
| Winchester 748 | <<locked>> | 82% | 49,879 psi | 88% | 2684 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 49,269 psi | 87% | 2730 fps | 96.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 34,882 psi | 62% | 2582 fps | 98.4% |
| Winchester StaBALL Match | <<locked>> | 84% | 48,936 psi | 87% | 2667 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% | 41,379 psi | 73% | 2484 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 46,296 psi | 82% | 2552 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 39,117 psi | 69% | 2477 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 35,157 psi | 62% | 2461 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 80% | 44,889 psi | 79% | 2585 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 80% | 38,145 psi | 67% | 2441 fps | 97.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 46,949 psi | 83% | 2595 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 47,050 psi | 83% | 2575 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 40,712 psi | 72% | 2615 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 37,695 psi | 67% | 2461 fps | 98.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,596 psi | 72% | 2523 fps | 98.1% |
| Alliant Reloder-16 | <<locked>> | 84% | 33,301 psi | 59% | 2418 fps | 95% |
| Alliant Reloder-17 | 42.2 gr | 80% | 32,474 psi | 57% | 2428 fps | 96.7% |
| Alliant Reloder-23 | <<locked>> | 92% | 30,458 psi | 54% | 2375 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 96% | 37,608 psi | 66% | 2608 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,888 psi | 78% | 2589 fps | 98.3% |
| Bofors RP3 | <<locked>> | 80% | 37,362 psi | 66% | 2464 fps | 98.6% |
| Bofors RP7 | <<locked>> | 90% | 46,064 psi | 81% | 2585 fps | 95.3% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,701 psi | 81% | 2615 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,101 psi | 67% | 2467 fps | 96.2% |
| Hodgdon H414 | <<locked>> | 90% | 43,076 psi | 76% | 2618 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 45,281 psi | 80% | 2598 fps | 99.5% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 30,487 psi | 54% | 2320 fps | 95.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,017 psi | 73% | 2566 fps | 99.3% |
| Hodgdon Superformance | <<locked>> | 92% | 45,876 psi | 81% | 2690 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,542 psi | 47% | 1490 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,265 psi | 76% | 2546 fps | 99.3% |
| IMR 3031 | <<locked>> | 80% | 44,860 psi | 79% | 2589 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,030 psi | 71% | 2474 fps | 98% |
| IMR 4166 Enduron | <<locked>> | 82% | 45,310 psi | 80% | 2546 fps | 95.7% |
| IMR 4350 | <<locked>> | 94% | 46,195 psi | 82% | 2612 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 88% | 45,005 psi | 80% | 2569 fps | 95.5% |
| IMR 4831 | <<locked>> | 86% | 34,026 psi | 60% | 2418 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 41,568 psi | 73% | 2552 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 80% | 46,949 psi | 83% | 2595 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 43,976 psi | 78% | 2566 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,875 psi | 79% | 2526 fps | 99.2% |
| Lovex S062 | <<locked>> | 80% | 40,016 psi | 71% | 2480 fps | 99.3% |
| Lovex S065 | <<locked>> | 86% | 39,363 psi | 70% | 2467 fps | 95.6% |
| Lovex S070 | <<locked>> | 90% | 42,380 psi | 75% | 2546 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 43,918 psi | 78% | 2539 fps | 99.7% |
| Norma 202 | <<locked>> | 80% | 44,179 psi | 78% | 2546 fps | 100% |
| Norma 203B | <<locked>> | 80% | 39,943 psi | 71% | 2513 fps | 98.4% |
| Norma URP | <<locked>> | 86% | 35,375 psi | 63% | 2457 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 39,421 psi | 70% | 2523 fps | 98.1% |
| Ramshot Hunter | <<locked>> | 90% | 39,450 psi | 70% | 2552 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 46,688 psi | 83% | 2598 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,224 psi | 82% | 2618 fps | 99.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,716 psi | 47% | 1522 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 41,147 psi | 73% | 2503 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 42,656 psi | 75% | 2621 fps | 98.5% |
| ReloadSwiss RS 60 | 42.2 gr | 80% | 34,577 psi | 61% | 2490 fps | 99.4% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 34,708 psi | 61% | 2470 fps | 95.2% |
| ReloadSwiss RS 70 | 47.2 gr | 88% | 37,507 psi | 66% | 2536 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 47,747 psi | 84% | 2575 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 41,742 psi | 74% | 2493 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 80% | 35,085 psi | 62% | 2408 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 90% | 46,064 psi | 81% | 2585 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 86% | 39,363 psi | 70% | 2467 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 43,976 psi | 78% | 2566 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,016 psi | 71% | 2480 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 90% | 42,380 psi | 75% | 2546 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,143 psi | 64% | 2461 fps | 97.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,063 psi | 80% | 2575 fps | 97.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,308 psi | 77% | 2556 fps | 99% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,310 psi | 80% | 2493 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,710 psi | 67% | 2365 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 44,266 psi | 78% | 2520 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 44,860 psi | 79% | 2493 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,672 psi | 79% | 2569 fps | 99.1% |
| Somchem S355 | <<locked>> | 80% | 36,042 psi | 64% | 2418 fps | 97.9% |
| Somchem S365 | <<locked>> | 80% | 26,078 psi | 46% | 2247 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 45,629 psi | 81% | 2487 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,321 psi | 73% | 2477 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,756 psi | 74% | 2484 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,171 psi | 60% | 2356 fps | 98.6% |
| Vihtavuori N160 | <<locked>> | 84% | 34,751 psi | 61% | 2411 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 46,978 psi | 83% | 2589 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 40,176 psi | 71% | 2470 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 36,376 psi | 64% | 2461 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 92% | 32,721 psi | 58% | 2448 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,269 psi | 54% | 2280 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 46,456 psi | 82% | 2631 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 43,076 psi | 76% | 2618 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 96% | 30,618 psi | 54% | 2454 fps | 96.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 42,598 psi | 75% | 2556 fps | 99.3% |
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 104 powders for 7 x 57 loaded with the .284 | 150gr | Sierra MatchKing. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,789 fps; across all powders the maximum-charge window runs from 1,667 fps to 2,789 fps. Accurate 3100 gives the best case fill at 100 %, and 104 of the 104 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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-17, ReloadSwiss RS 60 rank at the top here: for 7 x 57 with the .284 | 150gr | Sierra MatchKing they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.