Load Specifications
Load data in caliber 7 x 57 with .284 | 168gr | Sierra MatchKing bullet and 87 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance 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>> | 84% | 49,893 psi | 88% | 2454 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 48,747 psi | 86% | 2454 fps | 96.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 43,627 psi | 77% | 2470 fps | 97.6% |
| Accurate 4064 | <<locked>> | 86% | 50,212 psi | 89% | 2500 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 49,603 psi | 88% | 2579 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 50,357 psi | 89% | 2526 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 48,312 psi | 85% | 2484 fps | 99.7% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 51,184 psi | 90% | 2605 fps | 96.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 49,472 psi | 87% | 2628 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 48,211 psi | 85% | 2503 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 48,544 psi | 86% | 2516 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 96% | 51,155 psi | 90% | 2635 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 48,414 psi | 86% | 2612 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 50,227 psi | 89% | 2598 fps | 96.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 41,582 psi | 74% | 2500 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 36,463 psi | 64% | 2402 fps | 95.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 46,630 psi | 82% | 2657 fps | 99.4% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 49,705 psi | 88% | 2536 fps | 99.7% |
| Bofors RP3 | <<locked>> | 86% | 48,617 psi | 86% | 2516 fps | 100% |
| Bofors RP7 | <<locked>> | 90% | 48,617 psi | 86% | 2487 fps | 97.1% |
| Hodgdon H380 | <<locked>> | 86% | 49,182 psi | 87% | 2523 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 92% | 48,950 psi | 87% | 2575 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 90% | 49,588 psi | 88% | 2539 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 82% | 50,908 psi | 90% | 2533 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 50,749 psi | 90% | 2566 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 50,227 psi | 89% | 2566 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 48,849 psi | 86% | 2602 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,882 psi | 63% | 1565 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 48,559 psi | 86% | 2487 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 50,792 psi | 90% | 2513 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 50,894 psi | 90% | 2513 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 84% | 50,401 psi | 89% | 2490 fps | 97.9% |
| IMR 4350 | <<locked>> | 94% | 48,863 psi | 86% | 2513 fps | 97.2% |
| IMR 4451 Enduron | <<locked>> | 90% | 50,415 psi | 89% | 2516 fps | 97.9% |
| IMR 4831 | <<locked>> | 96% | 50,401 psi | 89% | 2575 fps | 99.7% |
| IMR 4895 | <<locked>> | 84% | 49,792 psi | 88% | 2543 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 49,966 psi | 88% | 2503 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 49,922 psi | 88% | 2457 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 50,865 psi | 90% | 2510 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 50,227 psi | 89% | 2520 fps | 98.9% |
| Lovex S070 | <<locked>> | 94% | 50,821 psi | 90% | 2549 fps | 98.3% |
| Norma 201 | <<locked>> | 82% | 49,226 psi | 87% | 2477 fps | 100% |
| Norma 202 | <<locked>> | 82% | 49,603 psi | 88% | 2474 fps | 100% |
| Norma 203B | <<locked>> | 86% | 51,068 psi | 90% | 2552 fps | 100% |
| Norma 204 | <<locked>> | 94% | 49,139 psi | 87% | 2556 fps | 95.9% |
| Norma MRPᴾ | <<locked>> | 100% | 46,253 psi | 82% | 2608 fps | 97.2% |
| Norma URP | <<locked>> | 94% | 48,950 psi | 87% | 2569 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 86% | 51,169 psi | 90% | 2575 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 50,908 psi | 90% | 2615 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,376 psi | 64% | 1601 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 49,545 psi | 88% | 2510 fps | 98.3% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 48,863 psi | 86% | 2575 fps | 99.8% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 48,269 psi | 85% | 2608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 49,269 psi | 87% | 2602 fps | 99.5% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 48,646 psi | 86% | 2621 fps | 99.3% |
| Rottweil R 902 | <<locked>> | 84% | 49,850 psi | 88% | 2477 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 48,472 psi | 86% | 2510 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 48,907 psi | 86% | 2579 fps | 96.4% |
| Rottweil R 907 | <<locked>> | 90% | 48,617 psi | 86% | 2487 fps | 97.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 50,227 psi | 89% | 2520 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 49,966 psi | 88% | 2503 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 50,865 psi | 90% | 2510 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 50,821 psi | 90% | 2549 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 50,009 psi | 88% | 2566 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 51,082 psi | 90% | 2523 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 48,776 psi | 86% | 2500 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 50,502 psi | 89% | 2418 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 50,937 psi | 90% | 2425 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 49,806 psi | 88% | 2470 fps | 97.8% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 48,443 psi | 86% | 2572 fps | 96.2% |
| Somchem S335 | <<locked>> | 82% | 50,038 psi | 88% | 2418 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 50,647 psi | 90% | 2516 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 48,834 psi | 86% | 2507 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 50,357 psi | 89% | 2621 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 49,647 psi | 88% | 2562 fps | 97.3% |
| Vihtavuori N133 | <<locked>> | 82% | 50,865 psi | 90% | 2405 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 49,574 psi | 88% | 2444 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 50,125 psi | 89% | 2457 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 50,111 psi | 89% | 2490 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 51,169 psi | 90% | 2566 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 84% | 48,240 psi | 85% | 2454 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 50,270 psi | 89% | 2572 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,963 psi | 81% | 2566 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 51,039 psi | 90% | 2546 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 48,950 psi | 87% | 2575 fps | 97.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 37,130 psi | 66% | 2516 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 82% | 48,254 psi | 85% | 2503 fps | 100% |
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% | 43,830 psi | 77% | 2369 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 42,888 psi | 76% | 2352 fps | 95.4% |
| Accurate 3100 | <<locked>> | 94% | 35,621 psi | 63% | 2320 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 41,495 psi | 73% | 2369 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 30,748 psi | 54% | 2221 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 47,239 psi | 84% | 2477 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 40,045 psi | 71% | 2339 fps | 98.7% |
| ADI AR 2209 | <<locked>> | 98% | 48,211 psi | 85% | 2556 fps | 95.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 43,076 psi | 76% | 2516 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,147 psi | 71% | 2365 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 42,917 psi | 76% | 2421 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 31,125 psi | 55% | 2234 fps | 95.6% |
| Alliant Reloder-17 | 40.8 gr | 80% | 34,606 psi | 61% | 2349 fps | 98.6% |
| Alliant Reloder-19 | <<locked>> | 98% | 47,094 psi | 83% | 2546 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 86% | 27,050 psi | 48% | 2156 fps | 95.3% |
| Alliant Reloder-25 | <<locked>> | 98% | 34,461 psi | 61% | 2352 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 90% | 32,750 psi | 58% | 2362 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 46,340 psi | 82% | 2484 fps | 99.4% |
| Bofors RP3 | <<locked>> | 80% | 39,784 psi | 70% | 2369 fps | 99.6% |
| Bofors RP7 | <<locked>> | 84% | 40,582 psi | 72% | 2346 fps | 95% |
| Hodgdon H380 | <<locked>> | 80% | 40,393 psi | 71% | 2372 fps | 97.9% |
| Hodgdon H414 | <<locked>> | 86% | 40,190 psi | 71% | 2418 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 86% | 43,845 psi | 78% | 2441 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 47,718 psi | 84% | 2487 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,514 psi | 50% | 2142 fps | 96.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 43,729 psi | 77% | 2464 fps | 99.9% |
| Hodgdon Superformance | 47.4 gr | 88% | 42,308 psi | 75% | 2484 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,701 psi | 47% | 1394 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 45,788 psi | 81% | 2441 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 47,776 psi | 84% | 2474 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,032 psi | 74% | 2369 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 80% | 44,643 psi | 79% | 2395 fps | 96.8% |
| IMR 4350 | <<locked>> | 88% | 40,582 psi | 72% | 2372 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 82% | 39,610 psi | 70% | 2326 fps | 95.3% |
| IMR 4831 | <<locked>> | 80% | 29,820 psi | 53% | 2185 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 43,976 psi | 78% | 2451 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 46,775 psi | 83% | 2457 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 46,876 psi | 83% | 2411 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 42,119 psi | 74% | 2372 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 34,635 psi | 61% | 2231 fps | 95.3% |
| Lovex S070 | <<locked>> | 86% | 39,827 psi | 70% | 2359 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 46,122 psi | 82% | 2428 fps | 100% |
| Norma 202 | <<locked>> | 80% | 46,789 psi | 83% | 2434 fps | 100% |
| Norma 203B | <<locked>> | 80% | 42,279 psi | 75% | 2411 fps | 99.5% |
| Norma 204 | <<locked>> | 92% | 45,977 psi | 81% | 2503 fps | 95.1% |
| Norma MRP | <<locked>> | 96% | 40,553 psi | 72% | 2500 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 31,154 psi | 55% | 2224 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 41,800 psi | 74% | 2425 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 86% | 36,869 psi | 65% | 2359 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,224 psi | 48% | 1430 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 40,901 psi | 72% | 2362 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 45,614 psi | 81% | 2523 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 36,796 psi | 65% | 2405 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 32,677 psi | 58% | 2290 fps | 95.8% |
| ReloadSwiss RS 70 | 43.5 gr | 84% | 34,751 psi | 61% | 2343 fps | 95.7% |
| Rottweil R 902 | <<locked>> | 80% | 44,092 psi | 78% | 2388 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 37,550 psi | 66% | 2323 fps | 99.2% |
| Rottweil R 905 | <<locked>> | 98% | 45,963 psi | 81% | 2530 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 84% | 40,582 psi | 72% | 2346 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 34,635 psi | 61% | 2231 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 46,775 psi | 83% | 2457 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,119 psi | 74% | 2372 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 86% | 39,827 psi | 70% | 2359 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 38,464 psi | 68% | 2369 fps | 98.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 47,572 psi | 84% | 2470 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 45,774 psi | 81% | 2451 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 47,543 psi | 84% | 2379 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,740 psi | 70% | 2260 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 38,493 psi | 68% | 2277 fps | 95.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 45,571 psi | 81% | 2526 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 46,978 psi | 83% | 2375 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 47,181 psi | 83% | 2464 fps | 99.8% |
| Somchem S355 | <<locked>> | 80% | 38,072 psi | 67% | 2320 fps | 99.1% |
| Somchem S365 | <<locked>> | 80% | 27,920 psi | 49% | 2182 fps | 97.7% |
| Somchem S385 | <<locked>> | 94% | 40,959 psi | 72% | 2415 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 47,950 psi | 85% | 2365 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 43,874 psi | 78% | 2362 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,309 psi | 78% | 2375 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,434 psi | 64% | 2264 fps | 99.6% |
| Vihtavuori N160 | <<locked>> | 80% | 32,430 psi | 57% | 2224 fps | 95.9% |
| Vihtavuori N540 | <<locked>> | 80% | 42,453 psi | 75% | 2365 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 31,850 psi | 56% | 2224 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 86% | 29,080 psi | 51% | 2224 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 31,966 psi | 57% | 2201 fps | 97.9% |
| Winchester 760 | <<locked>> | 86% | 40,190 psi | 71% | 2418 fps | 95.7% |
| Winchester StaBALL HD | <<locked>> | 90% | 27,050 psi | 48% | 2224 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 45,223 psi | 80% | 2454 fps | 99.9% |
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 87 powders for 7 x 57 loaded with the .284 | 168gr | Sierra MatchKing. Alliant Reloder-26 delivers the highest muzzle velocity at 2,657 fps; across all powders the maximum-charge window runs from 1,565 fps to 2,657 fps. Accurate 3100 gives the best case fill at 100 %, and 87 of the 87 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 63–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.284" calls for a 1:10.5 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 7 x 57 with the .284 | 168gr | Sierra MatchKing 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.