Load Specifications
Load data in caliber 7 x 57 with .284 | 160gr | Speer TBBC bullet and 89 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% | 50,589 psi | 89% | 2523 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 49,763 psi | 88% | 2516 fps | 96.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 40,727 psi | 72% | 2470 fps | 96.2% |
| Accurate 4064 | <<locked>> | 88% | 50,575 psi | 89% | 2566 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 49,879 psi | 88% | 2638 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 84% | 51,024 psi | 90% | 2592 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 88% | 49,008 psi | 87% | 2546 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 82% | 50,314 psi | 89% | 2549 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 50,879 psi | 90% | 2526 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 50,270 psi | 89% | 2697 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 49,023 psi | 87% | 2572 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 49,356 psi | 87% | 2585 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 96% | 48,356 psi | 85% | 2644 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 92% | 49,081 psi | 87% | 2677 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,175 psi | 69% | 2503 fps | 99.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 43,816 psi | 77% | 2654 fps | 98.4% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 50,575 psi | 89% | 2605 fps | 99.5% |
| Bofors RP3 | <<locked>> | 88% | 49,023 psi | 87% | 2582 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 49,632 psi | 88% | 2552 fps | 96.6% |
| Hodgdon BL-C2 | <<locked>> | 82% | 49,356 psi | 87% | 2575 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 50,111 psi | 89% | 2592 fps | 99.1% |
| Hodgdon H414 | <<locked>> | 94% | 49,356 psi | 87% | 2635 fps | 97.3% |
| Hodgdon H4350 | <<locked>> | 92% | 50,473 psi | 89% | 2605 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 82% | 48,573 psi | 86% | 2556 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,140 psi | 90% | 2628 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 50,618 psi | 89% | 2631 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 49,719 psi | 88% | 2664 fps | 96.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,505 psi | 63% | 1594 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 49,530 psi | 88% | 2556 fps | 99.9% |
| IMR 3031 | <<locked>> | 82% | 48,196 psi | 85% | 2539 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 48,617 psi | 86% | 2533 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 84% | 48,341 psi | 85% | 2507 fps | 96.9% |
| IMR 4350 | <<locked>> | 96% | 49,777 psi | 88% | 2579 fps | 96.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 48,283 psi | 85% | 2533 fps | 96.8% |
| IMR 4831 | <<locked>> | 98% | 50,720 psi | 90% | 2638 fps | 99.5% |
| IMR 4895 | <<locked>> | 86% | 50,618 psi | 89% | 2615 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 82% | 50,314 psi | 89% | 2549 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 50,749 psi | 90% | 2572 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 50,749 psi | 90% | 2526 fps | 99.9% |
| Lovex S062 | <<locked>> | 86% | 48,515 psi | 86% | 2533 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 50,792 psi | 90% | 2579 fps | 98.6% |
| Lovex S070 | <<locked>> | 94% | 48,486 psi | 86% | 2562 fps | 97.2% |
| Norma 201 | <<locked>> | 84% | 50,212 psi | 89% | 2546 fps | 100% |
| Norma 202 | <<locked>> | 84% | 50,531 psi | 89% | 2546 fps | 100% |
| Norma 203B | <<locked>> | 86% | 48,660 psi | 86% | 2575 fps | 99.8% |
| Norma URP | <<locked>> | 96% | 49,269 psi | 87% | 2631 fps | 99.3% |
| Ramshot Big Game | <<locked>> | 86% | 48,660 psi | 86% | 2595 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 96% | 48,066 psi | 85% | 2625 fps | 97.9% |
| Ramshot TAC | <<locked>> | 82% | 50,314 psi | 89% | 2562 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 49,864 psi | 88% | 2579 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,969 psi | 64% | 1631 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 50,430 psi | 89% | 2575 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 49,501 psi | 88% | 2644 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 48,646 psi | 86% | 2674 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 49,443 psi | 87% | 2661 fps | 99.2% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 49,182 psi | 87% | 2680 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 82% | 51,184 psi | 90% | 2526 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 50,502 psi | 89% | 2543 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 49,226 psi | 87% | 2575 fps | 100% |
| Rottweil R 907 | <<locked>> | 92% | 49,632 psi | 88% | 2552 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 94% | 50,792 psi | 90% | 2579 fps | 98.6% |
| Shooters World Match Rifle | <<locked>> | 84% | 50,749 psi | 90% | 2572 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 48,515 psi | 86% | 2533 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 48,486 psi | 86% | 2562 fps | 97.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 50,459 psi | 89% | 2628 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 48,762 psi | 86% | 2543 fps | 98.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 49,676 psi | 88% | 2569 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 48,341 psi | 85% | 2444 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 48,689 psi | 86% | 2451 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 50,923 psi | 90% | 2536 fps | 97.4% |
| Somchem S335 | <<locked>> | 84% | 51,097 psi | 90% | 2490 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 48,298 psi | 85% | 2536 fps | 99.7% |
| Somchem S355 | <<locked>> | 90% | 49,647 psi | 88% | 2575 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 50,502 psi | 89% | 2684 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,079 psi | 83% | 2572 fps | 96.1% |
| Vihtavuori N133 | <<locked>> | 82% | 48,660 psi | 86% | 2434 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 50,430 psi | 89% | 2516 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 51,097 psi | 90% | 2530 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 50,705 psi | 90% | 2556 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 48,602 psi | 86% | 2582 fps | 99.1% |
| Vihtavuori N530 | <<locked>> | 82% | 50,444 psi | 89% | 2546 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 49,139 psi | 87% | 2526 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 50,662 psi | 90% | 2631 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 42,902 psi | 76% | 2572 fps | 98.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 48,443 psi | 86% | 2559 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 50,183 psi | 89% | 2589 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 49,676 psi | 88% | 2638 fps | 97.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,027 psi | 62% | 2503 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 84% | 49,066 psi | 87% | 2572 fps | 99.9% |
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% | 41,800 psi | 74% | 2395 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 46,659 psi | 82% | 2467 fps | 95.6% |
| Accurate 3100 | <<locked>> | 98% | 38,247 psi | 68% | 2421 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 39,508 psi | 70% | 2392 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 32,967 psi | 58% | 2326 fps | 95.6% |
| ADI AR 2206H | <<locked>> | 80% | 45,063 psi | 80% | 2493 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 80% | 38,421 psi | 68% | 2356 fps | 97.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 47,137 psi | 83% | 2500 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 47,790 psi | 84% | 2484 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 40,944 psi | 72% | 2526 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,087 psi | 67% | 2379 fps | 99% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,799 psi | 72% | 2434 fps | 98.5% |
| Alliant Reloder-16 | <<locked>> | 84% | 33,504 psi | 59% | 2339 fps | 95.8% |
| Alliant Reloder-17 | 40.4 gr | 80% | 32,822 psi | 58% | 2352 fps | 97.4% |
| Alliant Reloder-23 | <<locked>> | 90% | 28,950 psi | 51% | 2251 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 94% | 35,302 psi | 62% | 2470 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,150 psi | 78% | 2500 fps | 98.7% |
| Bofors RP3 | <<locked>> | 80% | 37,623 psi | 67% | 2382 fps | 99% |
| Bofors RP7 | <<locked>> | 88% | 43,830 psi | 77% | 2454 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 45,963 psi | 81% | 2523 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 38,653 psi | 68% | 2388 fps | 96.8% |
| Hodgdon H414 | <<locked>> | 88% | 40,683 psi | 72% | 2480 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 90% | 47,268 psi | 84% | 2552 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 45,469 psi | 80% | 2503 fps | 99.7% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 28,863 psi | 51% | 2195 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,423 psi | 73% | 2480 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 90% | 43,018 psi | 76% | 2543 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,556 psi | 47% | 1424 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,700 psi | 77% | 2461 fps | 99.5% |
| IMR 3031 | <<locked>> | 80% | 45,237 psi | 80% | 2497 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,350 psi | 71% | 2388 fps | 98.4% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,786 psi | 76% | 2408 fps | 95.5% |
| IMR 4350 | <<locked>> | 92% | 43,714 psi | 77% | 2477 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 42,757 psi | 76% | 2434 fps | 95.4% |
| IMR 4831 | <<locked>> | 84% | 32,198 psi | 57% | 2290 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 41,756 psi | 74% | 2464 fps | 99.1% |
| IMR 8208 XBR | <<locked>> | 80% | 47,137 psi | 83% | 2500 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,338 psi | 78% | 2477 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,179 psi | 80% | 2438 fps | 99.5% |
| Lovex S062 | <<locked>> | 80% | 40,335 psi | 71% | 2392 fps | 99.6% |
| Lovex S065 | <<locked>> | 84% | 37,521 psi | 66% | 2343 fps | 95.5% |
| Lovex S070 | <<locked>> | 88% | 40,147 psi | 71% | 2411 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 44,295 psi | 78% | 2451 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 44,556 psi | 79% | 2457 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,190 psi | 71% | 2428 fps | 98.8% |
| Norma URP | <<locked>> | 84% | 33,489 psi | 59% | 2329 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 39,610 psi | 70% | 2438 fps | 98.5% |
| Ramshot Hunter | <<locked>> | 90% | 39,595 psi | 70% | 2464 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 46,949 psi | 83% | 2510 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,760 psi | 83% | 2530 fps | 99.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,789 psi | 47% | 1457 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 39,001 psi | 69% | 2372 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,076 psi | 76% | 2536 fps | 98.9% |
| ReloadSwiss RS 60 | 40.4 gr | 80% | 34,911 psi | 62% | 2411 fps | 99.7% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 32,909 psi | 58% | 2343 fps | 95.1% |
| ReloadSwiss RS 70 | 44.1 gr | 86% | 35,288 psi | 62% | 2398 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 48,240 psi | 85% | 2484 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,047 psi | 74% | 2405 fps | 99.7% |
| Rottweil R 903 | <<locked>> | 80% | 35,505 psi | 63% | 2333 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 88% | 43,830 psi | 77% | 2454 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 84% | 37,521 psi | 66% | 2343 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,338 psi | 78% | 2477 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,335 psi | 71% | 2392 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 88% | 40,147 psi | 71% | 2411 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,463 psi | 64% | 2379 fps | 97.9% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,295 psi | 80% | 2484 fps | 98.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,671 psi | 77% | 2470 fps | 99.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,484 psi | 80% | 2402 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 37,884 psi | 67% | 2280 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 41,887 psi | 74% | 2388 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 45,223 psi | 80% | 2405 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 44,962 psi | 79% | 2480 fps | 99.4% |
| Somchem S355 | <<locked>> | 80% | 36,376 psi | 64% | 2339 fps | 98.4% |
| Somchem S365 | <<locked>> | 80% | 26,368 psi | 47% | 2182 fps | 96.1% |
| Somchem S385 | <<locked>> | 98% | 44,048 psi | 78% | 2520 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 45,832 psi | 81% | 2392 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,553 psi | 73% | 2385 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,177 psi | 75% | 2395 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,519 psi | 61% | 2277 fps | 99% |
| Vihtavuori N160 | <<locked>> | 82% | 32,808 psi | 58% | 2280 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 47,181 psi | 83% | 2497 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 40,727 psi | 72% | 2392 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 34,360 psi | 61% | 2333 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 90% | 31,053 psi | 55% | 2323 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,487 psi | 54% | 2208 fps | 96.6% |
| Winchester 748 | <<locked>> | 80% | 46,949 psi | 83% | 2539 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 40,683 psi | 72% | 2480 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 94% | 28,877 psi | 51% | 2323 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 43,018 psi | 76% | 2470 fps | 99.5% |
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 89 powders for 7 x 57 loaded with the .284 | 160gr | Speer TBBC. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,697 fps; across all powders the maximum-charge window runs from 1,594 fps to 2,697 fps. Accurate 3100 gives the best case fill at 100 %, and 89 of the 89 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 160.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-23, Alliant Reloder-26 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 | 160gr | Speer TBBC 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.