Load Specifications
Load data in caliber 7 x 57 R with .284 | 153gr | Peregrine Glider GRM bullet and 70 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 62.
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 2495 | <<locked>> | 86% | 43,134 psi | 87% | 2461 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 43,163 psi | 88% | 2497 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 41,742 psi | 85% | 2536 fps | 97.3% |
| ADI AR 2206H | <<locked>> | 82% | 42,221 psi | 86% | 2470 fps | 98.4% |
| ADI AR 2208 | <<locked>> | 88% | 43,250 psi | 88% | 2474 fps | 98% |
| ADI Benchmark 8208 | <<locked>> | 82% | 44,440 psi | 90% | 2484 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 82% | 43,947 psi | 89% | 2474 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 43,903 psi | 89% | 2605 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 42,395 psi | 86% | 2493 fps | 99.1% |
| Alliant Reloder-15 | <<locked>> | 86% | 43,076 psi | 87% | 2510 fps | 98.2% |
| Alliant Reloder-16 | <<locked>> | 96% | 42,148 psi | 85% | 2552 fps | 97.5% |
| Alliant Reloder-17 | <<locked>> | 92% | 42,395 psi | 86% | 2585 fps | 99% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 33,591 psi | 68% | 2395 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 44,121 psi | 89% | 2526 fps | 97.9% |
| Bofors RP3 | <<locked>> | 88% | 42,047 psi | 85% | 2500 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 82% | 42,772 psi | 87% | 2503 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 88% | 43,308 psi | 88% | 2503 fps | 97% |
| Hodgdon H4895 | <<locked>> | 82% | 42,540 psi | 86% | 2484 fps | 98.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,932 psi | 89% | 2546 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 43,947 psi | 89% | 2559 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,780 psi | 71% | 1588 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 43,845 psi | 89% | 2490 fps | 99% |
| IMR 3031 | <<locked>> | 84% | 44,556 psi | 90% | 2526 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 42,888 psi | 87% | 2461 fps | 98.1% |
| IMR 4831 | <<locked>> | 98% | 42,960 psi | 87% | 2543 fps | 97.6% |
| IMR 4895 | <<locked>> | 86% | 44,150 psi | 90% | 2539 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 82% | 44,440 psi | 90% | 2484 fps | 99.5% |
| Lovex D073.6 | <<locked>> | 84% | 43,511 psi | 88% | 2500 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 42,757 psi | 87% | 2418 fps | 98.5% |
| Lovex S062 | <<locked>> | 86% | 42,134 psi | 85% | 2457 fps | 99.3% |
| Lovex S065 | <<locked>> | 94% | 44,150 psi | 90% | 2493 fps | 96.3% |
| Norma 201 | <<locked>> | 84% | 43,932 psi | 89% | 2477 fps | 99.5% |
| Norma 202 | <<locked>> | 84% | 44,309 psi | 90% | 2487 fps | 100% |
| Norma 203B | <<locked>> | 86% | 42,366 psi | 86% | 2497 fps | 98.5% |
| Norma URP | <<locked>> | 96% | 42,279 psi | 86% | 2543 fps | 97.3% |
| Ramshot Big Game | <<locked>> | 86% | 42,090 psi | 85% | 2513 fps | 98.3% |
| Ramshot Hunter | <<locked>> | 98% | 44,512 psi | 90% | 2582 fps | 95.9% |
| Ramshot TAC | <<locked>> | 82% | 44,541 psi | 90% | 2490 fps | 96.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 43,598 psi | 88% | 2507 fps | 98.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,128 psi | 71% | 1627 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 42,177 psi | 86% | 2556 fps | 98% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 42,119 psi | 85% | 2592 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 41,858 psi | 85% | 2562 fps | 97% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,627 psi | 86% | 2575 fps | 96.3% |
| Rottweil R 902 | <<locked>> | 86% | 44,309 psi | 90% | 2477 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 90% | 41,959 psi | 85% | 2490 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 94% | 44,150 psi | 90% | 2493 fps | 96.3% |
| Shooters World Match Rifle | <<locked>> | 84% | 43,511 psi | 88% | 2500 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 42,134 psi | 85% | 2457 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 43,816 psi | 89% | 2549 fps | 98.7% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 42,395 psi | 86% | 2457 fps | 96.6% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 43,468 psi | 88% | 2493 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 42,989 psi | 87% | 2392 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 42,714 psi | 87% | 2395 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 42,380 psi | 86% | 2392 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 42,134 psi | 85% | 2461 fps | 98.3% |
| Somchem S355 | <<locked>> | 90% | 43,062 psi | 87% | 2497 fps | 98.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,859 psi | 87% | 2595 fps | 99.8% |
| Vihtavuori N133 | <<locked>> | 82% | 43,221 psi | 88% | 2388 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 43,613 psi | 88% | 2457 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 41,916 psi | 85% | 2428 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 43,961 psi | 89% | 2484 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 96% | 44,338 psi | 90% | 2539 fps | 97.6% |
| Vihtavuori N530 | <<locked>> | 82% | 44,469 psi | 90% | 2480 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 86% | 42,931 psi | 87% | 2461 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 43,642 psi | 89% | 2546 fps | 97.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 35,737 psi | 72% | 2464 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 42,177 psi | 86% | 2477 fps | 98.9% |
| Winchester 748 | <<locked>> | 82% | 43,656 psi | 89% | 2520 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 84% | 42,728 psi | 87% | 2497 fps | 98.9% |
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% | 34,998 psi | 71% | 2320 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 33,127 psi | 67% | 2306 fps | 99.5% |
| Accurate 4350 | <<locked>> | 92% | 36,448 psi | 74% | 2434 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 39,537 psi | 80% | 2421 fps | 97.8% |
| ADI AR 2208 | <<locked>> | 80% | 33,779 psi | 69% | 2283 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,640 psi | 84% | 2434 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 80% | 41,249 psi | 84% | 2434 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 35,621 psi | 72% | 2428 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,721 psi | 66% | 2297 fps | 96.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,360 psi | 72% | 2356 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 90% | 34,998 psi | 71% | 2395 fps | 95% |
| Alliant Reloder-17 | 39.2 gr | 84% | 32,242 psi | 65% | 2359 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 98% | 31,531 psi | 64% | 2343 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,508 psi | 78% | 2418 fps | 96.5% |
| Bofors RP3 | <<locked>> | 80% | 31,966 psi | 65% | 2293 fps | 96.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,740 psi | 81% | 2448 fps | 99.3% |
| Hodgdon H380 | <<locked>> | 84% | 37,927 psi | 77% | 2402 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 39,827 psi | 81% | 2431 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 31,923 psi | 65% | 2300 fps | 95.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,766 psi | 73% | 2398 fps | 97.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,788 psi | 52% | 1417 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,450 psi | 78% | 2388 fps | 98% |
| IMR 3031 | <<locked>> | 80% | 39,015 psi | 79% | 2434 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,418 psi | 72% | 2313 fps | 96.2% |
| IMR 4831 | <<locked>> | 92% | 35,317 psi | 72% | 2392 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 36,187 psi | 73% | 2385 fps | 97.1% |
| IMR 8208 XBR | <<locked>> | 80% | 41,640 psi | 84% | 2434 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 80% | 37,985 psi | 77% | 2402 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 40,089 psi | 81% | 2369 fps | 98% |
| Lovex S062 | <<locked>> | 80% | 34,809 psi | 71% | 2313 fps | 97.9% |
| Lovex S065 | <<locked>> | 92% | 41,698 psi | 85% | 2448 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 38,522 psi | 78% | 2375 fps | 98.7% |
| Norma 202 | <<locked>> | 80% | 38,798 psi | 79% | 2392 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 34,737 psi | 70% | 2343 fps | 96.6% |
| Norma URP | <<locked>> | 92% | 37,057 psi | 75% | 2438 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 34,142 psi | 69% | 2349 fps | 96% |
| Ramshot Hunter | <<locked>> | 96% | 41,495 psi | 84% | 2526 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 41,539 psi | 84% | 2434 fps | 95.8% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,886 psi | 83% | 2454 fps | 98.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,904 psi | 53% | 1450 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,724 psi | 74% | 2444 fps | 96.6% |
| ReloadSwiss RS 60 | 37.4 gr | 80% | 30,255 psi | 61% | 2316 fps | 97.6% |
| ReloadSwiss RS 62 | 42.9 gr | 92% | 36,347 psi | 74% | 2451 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 39,958 psi | 81% | 2516 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 36,637 psi | 74% | 2333 fps | 98.3% |
| Rottweil R 903 | <<locked>> | 80% | 29,994 psi | 61% | 2241 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 92% | 41,698 psi | 85% | 2448 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,985 psi | 77% | 2402 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 34,809 psi | 71% | 2313 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 31,401 psi | 64% | 2290 fps | 95% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,421 psi | 80% | 2405 fps | 95.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,203 psi | 77% | 2395 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,480 psi | 82% | 2349 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,272 psi | 67% | 2221 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 39,740 psi | 81% | 2346 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,204 psi | 80% | 2405 fps | 97.6% |
| Somchem S355 | <<locked>> | 80% | 31,096 psi | 63% | 2251 fps | 95.8% |
| Somchem S365 | <<locked>> | 86% | 27,180 psi | 55% | 2231 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 40,727 psi | 83% | 2349 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,955 psi | 73% | 2326 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,680 psi | 74% | 2333 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 29,515 psi | 60% | 2195 fps | 96.7% |
| Vihtavuori N160 | <<locked>> | 90% | 36,608 psi | 74% | 2392 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 41,597 psi | 84% | 2431 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 35,302 psi | 72% | 2320 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 92% | 38,261 psi | 78% | 2444 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 98% | 33,388 psi | 68% | 2411 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 30,211 psi | 61% | 2218 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 40,814 psi | 83% | 2470 fps | 99.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,492 psi | 76% | 2398 fps | 97.9% |
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 70 powders for 7 x 57 R loaded with the .284 | 153gr | Peregrine Glider GRM. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,605 fps; across all powders the maximum-charge window runs from 1,588 fps to 2,605 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (340 MPa), the top charges use 68–90 %, 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. Alliant Reloder-23, Hodgdon Hybrid 100V, Hodgdon TrailBoss 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 62 rank at the top here: for 7 x 57 R 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.