Load Specifications
Load data in caliber 7 x 57 with .284 | 153gr | Peregrine Glider GRM 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 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.
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.
A valid access license is required to use the Personalized Load Calculator.
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 2015 | <<locked>> | 84% | 49,487 psi | 87% | 2513 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 50,792 psi | 90% | 2575 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 49,980 psi | 88% | 2569 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 48,979 psi | 87% | 2585 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 50,053 psi | 88% | 2612 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,095 psi | 87% | 2671 fps | 98.7% |
| ADI AR 2206H | <<locked>> | 86% | 48,762 psi | 86% | 2595 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 92% | 49,821 psi | 88% | 2595 fps | 99.1% |
| ADI Benchmark 8208 | <<locked>> | 84% | 48,153 psi | 85% | 2556 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 86% | 51,184 psi | 90% | 2582 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 47,747 psi | 84% | 2690 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 48,979 psi | 87% | 2615 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 90% | 49,763 psi | 88% | 2631 fps | 99.3% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 48,675 psi | 86% | 2684 fps | 98.9% |
| Alliant Reloder-17 | <<locked>> | 96% | 49,385 psi | 87% | 2720 fps | 99.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,171 psi | 60% | 2421 fps | 96.6% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 48,298 psi | 85% | 2608 fps | 98.7% |
| Bofors RP3 | <<locked>> | 92% | 49,153 psi | 87% | 2628 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 50,111 psi | 89% | 2546 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 49,734 psi | 88% | 2625 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 47,964 psi | 85% | 2657 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 92% | 50,401 psi | 89% | 2635 fps | 98.5% |
| Hodgdon H414 | <<locked>> | 98% | 49,443 psi | 87% | 2674 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 86% | 49,168 psi | 87% | 2608 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,744 psi | 79% | 2569 fps | 99.3% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 51,111 psi | 90% | 2684 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,809 psi | 62% | 1598 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 50,604 psi | 89% | 2612 fps | 99.8% |
| IMR 3031 | <<locked>> | 86% | 48,689 psi | 86% | 2598 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 49,226 psi | 87% | 2579 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 88% | 49,719 psi | 88% | 2559 fps | 96.2% |
| IMR 4451 Enduron | <<locked>> | 94% | 49,008 psi | 87% | 2579 fps | 96% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,789 psi | 83% | 2618 fps | 98.4% |
| IMR 4895 | <<locked>> | 90% | 51,010 psi | 90% | 2664 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 84% | 48,153 psi | 85% | 2556 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 82% | 50,865 psi | 90% | 2589 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 50,821 psi | 90% | 2621 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 48,950 psi | 87% | 2533 fps | 99.4% |
| Lovex S062 | <<locked>> | 90% | 48,718 psi | 86% | 2579 fps | 99.9% |
| Lovex S065 | <<locked>> | 98% | 51,039 psi | 90% | 2618 fps | 97.8% |
| Lovex S070 | <<locked>> | 98% | 48,472 psi | 86% | 2598 fps | 96.3% |
| Norma 201 | <<locked>> | 88% | 50,459 psi | 89% | 2592 fps | 100% |
| Norma 202 | <<locked>> | 88% | 50,894 psi | 90% | 2598 fps | 100% |
| Norma 203B | <<locked>> | 90% | 48,950 psi | 87% | 2621 fps | 99.5% |
| Norma URPᴾ | <<locked>> | 100% | 48,892 psi | 86% | 2664 fps | 98.6% |
| Ramshot Big Game | <<locked>> | 90% | 49,211 psi | 87% | 2644 fps | 99.4% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 48,124 psi | 85% | 2657 fps | 96.9% |
| Ramshot TAC | <<locked>> | 84% | 48,269 psi | 85% | 2566 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 86% | 50,850 psi | 90% | 2635 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 82% | 48,936 psi | 87% | 2556 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,157 psi | 62% | 1637 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 50,749 psi | 90% | 2585 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 51,126 psi | 90% | 2618 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 49,545 psi | 88% | 2690 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 49,139 psi | 87% | 2723 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,936 psi | 87% | 2694 fps | 98.5% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,806 psi | 88% | 2720 fps | 98.2% |
| Rottweil R 901 | <<locked>> | 84% | 48,588 psi | 86% | 2536 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 50,865 psi | 90% | 2592 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 49,037 psi | 87% | 2618 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 51,039 psi | 90% | 2618 fps | 97.8% |
| Shooters World Match Rifle | <<locked>> | 88% | 50,821 psi | 90% | 2621 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 48,718 psi | 86% | 2579 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 98% | 48,472 psi | 86% | 2598 fps | 96.3% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 50,807 psi | 90% | 2674 fps | 99.6% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 49,284 psi | 87% | 2589 fps | 98.2% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 50,314 psi | 89% | 2618 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 49,603 psi | 88% | 2503 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 49,168 psi | 87% | 2500 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 51,155 psi | 90% | 2569 fps | 96.5% |
| Somchem S321 | <<locked>> | 82% | 48,646 psi | 86% | 2582 fps | 99.9% |
| Somchem S335 | <<locked>> | 86% | 48,544 psi | 86% | 2500 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 49,240 psi | 87% | 2589 fps | 99.4% |
| Somchem S355 | <<locked>> | 94% | 49,705 psi | 88% | 2618 fps | 99.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,627 psi | 77% | 2618 fps | 99.9% |
| Vihtavuori N130 | <<locked>> | 82% | 49,284 psi | 87% | 2470 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 49,792 psi | 88% | 2493 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 50,444 psi | 89% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 48,515 psi | 86% | 2539 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 51,184 psi | 90% | 2605 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 48,269 psi | 85% | 2615 fps | 98.4% |
| Vihtavuori N530 | <<locked>> | 84% | 48,269 psi | 85% | 2552 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 90% | 49,777 psi | 88% | 2579 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,502 psi | 89% | 2671 fps | 98.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,463 psi | 64% | 2490 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 49,095 psi | 87% | 2605 fps | 99.8% |
| Winchester 748 | <<locked>> | 86% | 50,937 psi | 90% | 2644 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 49,443 psi | 87% | 2674 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 88% | 50,024 psi | 88% | 2628 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 2015 | <<locked>> | 80% | 43,729 psi | 77% | 2428 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,645 psi | 84% | 2530 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,868 psi | 63% | 2346 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,641 psi | 75% | 2484 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 33,924 psi | 60% | 2333 fps | 99.6% |
| Accurate 4350 | <<locked>> | 90% | 34,519 psi | 61% | 2405 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 40,292 psi | 71% | 2448 fps | 98.1% |
| ADI AR 2208 | <<locked>> | 80% | 34,229 psi | 61% | 2303 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,409 psi | 75% | 2461 fps | 99.3% |
| Alliant AR-Comp | <<locked>> | 80% | 41,887 psi | 74% | 2454 fps | 100% |
| Alliant Power Pro 2000-MR | 38.7 gr | 80% | 36,172 psi | 64% | 2454 fps | 95.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,460 psi | 59% | 2323 fps | 97.2% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,100 psi | 64% | 2382 fps | 96.5% |
| Alliant Reloder-16 | <<locked>> | 90% | 35,534 psi | 63% | 2418 fps | 95.4% |
| Alliant Reloder-17 | 39.1 gr | 82% | 30,719 psi | 54% | 2329 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 98% | 32,111 psi | 57% | 2369 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,146 psi | 69% | 2444 fps | 96.7% |
| Bofors RP3 | <<locked>> | 80% | 32,430 psi | 57% | 2313 fps | 97% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,266 psi | 78% | 2451 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,466 psi | 72% | 2470 fps | 99.4% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,614 psi | 79% | 2602 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 82% | 36,143 psi | 64% | 2375 fps | 95% |
| Hodgdon H414 | <<locked>> | 96% | 46,412 psi | 82% | 2621 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 40,611 psi | 72% | 2457 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 30,414 psi | 54% | 2270 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,448 psi | 64% | 2425 fps | 98.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,701 psi | 45% | 1424 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,914 psi | 69% | 2408 fps | 98.2% |
| IMR 3031 | <<locked>> | 80% | 39,653 psi | 70% | 2454 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,868 psi | 63% | 2336 fps | 96.5% |
| IMR 4166 Enduron | <<locked>> | 86% | 46,702 psi | 83% | 2507 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 92% | 46,093 psi | 81% | 2526 fps | 95.2% |
| IMR 4831 | <<locked>> | 92% | 35,853 psi | 63% | 2415 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 36,941 psi | 65% | 2408 fps | 97.4% |
| IMR 8208 XBR | <<locked>> | 80% | 42,409 psi | 75% | 2461 fps | 99.3% |
| Lovex D073.5 | <<locked>> | 80% | 47,326 psi | 84% | 2536 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 38,754 psi | 69% | 2428 fps | 99.7% |
| Lovex S060 | <<locked>> | 80% | 40,872 psi | 72% | 2395 fps | 98.2% |
| Lovex S062 | <<locked>> | 80% | 35,592 psi | 63% | 2339 fps | 98.2% |
| Lovex S065 | <<locked>> | 90% | 39,697 psi | 70% | 2421 fps | 95.1% |
| Lovex S070 | <<locked>> | 96% | 45,513 psi | 80% | 2549 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 39,334 psi | 70% | 2402 fps | 98.9% |
| Norma 202 | <<locked>> | 80% | 39,581 psi | 70% | 2418 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 35,462 psi | 63% | 2369 fps | 96.9% |
| Norma URP | <<locked>> | 90% | 35,476 psi | 63% | 2415 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 34,751 psi | 61% | 2375 fps | 96.4% |
| Ramshot Hunter | <<locked>> | 96% | 42,134 psi | 74% | 2549 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 42,148 psi | 75% | 2457 fps | 96.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,249 psi | 73% | 2474 fps | 98.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,730 psi | 81% | 2503 fps | 98.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,107 psi | 46% | 1463 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,630 psi | 84% | 2539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 42,061 psi | 74% | 2464 fps | 95% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,202 psi | 66% | 2467 fps | 96.8% |
| ReloadSwiss RS 60 | 38.1 gr | 80% | 30,574 psi | 54% | 2336 fps | 97.9% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 37,086 psi | 66% | 2477 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,567 psi | 72% | 2543 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 42,801 psi | 76% | 2444 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,405 psi | 66% | 2359 fps | 98.5% |
| Rottweil R 903 | <<locked>> | 80% | 30,676 psi | 54% | 2267 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 90% | 39,697 psi | 70% | 2421 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,754 psi | 69% | 2428 fps | 99.7% |
| Shooters World Precision | <<locked>> | 80% | 35,592 psi | 63% | 2339 fps | 98.2% |
| Shooters World SW4350 | <<locked>> | 96% | 45,513 psi | 80% | 2549 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,792 psi | 56% | 2310 fps | 95.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 40,059 psi | 71% | 2428 fps | 96.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,638 psi | 68% | 2415 fps | 97.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,017 psi | 73% | 2369 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,779 psi | 60% | 2244 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 44,759 psi | 79% | 2470 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 45,382 psi | 80% | 2530 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 40,509 psi | 72% | 2372 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,856 psi | 70% | 2428 fps | 97.9% |
| Somchem S355 | <<locked>> | 80% | 31,792 psi | 56% | 2277 fps | 96.1% |
| Somchem S365 | <<locked>> | 86% | 27,673 psi | 49% | 2254 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 46,528 psi | 82% | 2431 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,292 psi | 73% | 2369 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,564 psi | 65% | 2349 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,449 psi | 66% | 2356 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 30,182 psi | 53% | 2221 fps | 97% |
| Vihtavuori N160 | <<locked>> | 90% | 37,144 psi | 66% | 2415 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 42,032 psi | 74% | 2451 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 80% | 35,723 psi | 63% | 2339 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 90% | 36,376 psi | 64% | 2415 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 98% | 34,113 psi | 60% | 2441 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 30,821 psi | 54% | 2244 fps | 95.5% |
| Winchester 748 | <<locked>> | 80% | 41,582 psi | 74% | 2493 fps | 99.7% |
| Winchester 760 | <<locked>> | 96% | 46,412 psi | 82% | 2621 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,855 psi | 67% | 2415 fps | 98.1% |
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 | 153gr | Peregrine Glider GRM. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,723 fps; across all powders the maximum-charge window runs from 1,598 fps to 2,723 fps. Accurate 4350 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 60–90 %, leaving at least 10 % headroom. The 153.0 gr projectile in 0.284" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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, Alliant Power Pro 2000-MR rank at the top here: for 7 x 57 with the .284 | 153gr | Peregrine Glider GRM 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.