Load data for 7 x 57 + .284 | 160gr | Peregrine VRG-3

7 x 57 cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:160 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Case Length (l3):2.244"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:61 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:56,565 psi
Recommended Twist Rate:1:11.0

Load data in caliber 7 x 57 with .284 | 160gr | Peregrine VRG-3 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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Max Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>86%49,588 psi88%2523 fps100%
Accurate 2700<<locked>>86%49,211 psi87%2523 fps96.4%
Accurate 3100ᴾ<<locked>>100%40,074 psi71%2470 fps96.1%
Accurate 4064<<locked>>88%49,647 psi88%2566 fps100%
Accurate 4350<<locked>>96%49,342 psi87%2641 fps99.4%
ADI AR 2206H<<locked>>84%50,560 psi89%2595 fps99.9%
ADI AR 2208<<locked>>88%48,646 psi86%2552 fps99.5%
ADI Benchmark 8208<<locked>>82%49,647 psi88%2549 fps100%
Alliant AR-Comp<<locked>>82%50,241 psi89%2530 fps100%
Alliant Power Pro 2000-MR<<locked>>86%49,821 psi88%2700 fps99.7%
Alliant Reloder- TS 15.5<<locked>>88%48,501 psi86%2575 fps100%
Alliant Reloder-15<<locked>>86%48,907 psi86%2589 fps99.6%
Alliant Reloder-16<<locked>>98%51,155 psi90%2700 fps99.8%
Alliant Reloder-17<<locked>>92%48,544 psi86%2680 fps100%
Alliant Reloder-23ᴾ<<locked>>100%38,740 psi68%2503 fps99.1%
Alliant Reloder-26ᴾ<<locked>>100%43,178 psi76%2654 fps98.4%
Baschieri & Pellagri 107<<locked>>84%50,082 psi89%2608 fps99.5%
Bofors RP3<<locked>>88%48,312 psi85%2582 fps100%
Bofors RP7<<locked>>92%49,037 psi87%2556 fps96.6%
Hodgdon BL-C2<<locked>>82%48,849 psi86%2579 fps100%
Hodgdon H380<<locked>>88%49,472 psi87%2592 fps99.1%
Hodgdon H414<<locked>>94%49,066 psi87%2641 fps97.4%
Hodgdon H4350<<locked>>92%49,966 psi88%2608 fps96.1%
Hodgdon H4895<<locked>>84%51,097 psi90%2605 fps100%
Hodgdon Hybrid 100Vᴾ<<locked>>100%50,531 psi89%2631 fps100%
Hodgdon LEVERevolution<<locked>>86%50,502 psi89%2638 fps100%
Hodgdon Superformance<<locked>>94%49,298 psi87%2671 fps96.9%
Hodgdon TrailBossᴾ<<locked>>100%35,549 psi63%1604 fps100%
Hodgdon VARGET<<locked>>84%49,240 psi87%2562 fps99.9%
IMR 3031<<locked>>84%50,952 psi90%2589 fps100%
IMR 4064<<locked>>88%51,169 psi90%2585 fps99.8%
IMR 4166 Enduron<<locked>>86%51,155 psi90%2562 fps97.6%
IMR 4350<<locked>>96%49,211 psi87%2582 fps96.7%
IMR 4451 Enduron<<locked>>92%51,039 psi90%2592 fps97.5%
IMR 4831<<locked>>98%50,009 psi88%2638 fps99.5%
IMR 4895<<locked>>86%50,096 psi89%2618 fps99.9%
IMR 8208 XBR<<locked>>82%49,647 psi88%2549 fps100%
Lovex D073.6<<locked>>84%50,096 psi89%2575 fps100%
Lovex S060<<locked>>84%50,488 psi89%2533 fps99.9%
Lovex S062<<locked>>88%50,937 psi90%2579 fps100%
Lovex S065<<locked>>94%50,169 psi89%2582 fps98.6%
Lovex S070<<locked>>96%51,010 psi90%2615 fps97.8%
Norma 201<<locked>>84%49,284 psi87%2546 fps100%
Norma 202<<locked>>84%49,792 psi88%2549 fps100%
Norma 203B<<locked>>86%48,138 psi85%2579 fps99.8%
Norma URP<<locked>>96%48,994 psi87%2638 fps99.3%
Ramshot Big Game<<locked>>86%48,167 psi85%2598 fps99.7%
Ramshot Hunter<<locked>>98%50,995 psi90%2680 fps98.5%
Ramshot TAC<<locked>>82%49,850 psi88%2569 fps98.6%
Ramshot Wild Boar<<locked>>82%49,385 psi87%2582 fps99.8%
ReloadSwiss RS 14ᴾ<<locked>>100%35,940 psi64%1640 fps100%
ReloadSwiss RS 50<<locked>>88%49,922 psi88%2579 fps98%
ReloadSwiss RS 52<<locked>>84%49,052 psi87%2648 fps99.7%
ReloadSwiss RS 60<<locked>>90%48,399 psi86%2680 fps100%
ReloadSwiss RS 62<<locked>>96%49,023 psi87%2664 fps99.2%
ReloadSwiss RS 70<<locked>>96%48,820 psi86%2687 fps99%
Rottweil R 901<<locked>>82%50,183 psi89%2526 fps100%
Rottweil R 902<<locked>>86%49,922 psi88%2546 fps100%
Rottweil R 903<<locked>>90%48,515 psi86%2579 fps100%
Rottweil R 907<<locked>>92%49,037 psi87%2556 fps96.6%
Shooters World Long Rifle<<locked>>94%50,169 psi89%2582 fps98.6%
Shooters World Match Rifle<<locked>>84%50,096 psi89%2575 fps100%
Shooters World Precision<<locked>>88%50,937 psi90%2579 fps100%
Shooters World SW4350<<locked>>96%51,010 psi90%2615 fps97.8%
SNPE Vectan SP 11<<locked>>90%50,256 psi89%2635 fps99.9%
SNPE Vectan SP 7<<locked>>82%48,124 psi85%2546 fps98.8%
SNPE Vectan SP 9<<locked>>84%49,255 psi87%2572 fps99.8%
SNPE Vectan Tubal 3000<<locked>>84%51,053 psi90%2493 fps100%
SNPE Vectan Tubal 5000<<locked>>88%48,022 psi85%2451 fps100%
SNPE Vectan Tubal 7000<<locked>>94%50,198 psi89%2536 fps97.4%
Somchem S335<<locked>>84%50,299 psi89%2490 fps100%
Somchem S341<<locked>>84%51,053 psi90%2589 fps99.9%
Somchem S355<<locked>>90%49,066 psi87%2579 fps99.9%
Somchem S365ᴾ<<locked>>100%50,198 psi89%2690 fps100%
Somchem S385ᴾ<<locked>>100%46,601 psi82%2575 fps96.1%
Vihtavuori N133<<locked>>82%48,428 psi86%2441 fps100%
Vihtavuori N135<<locked>>86%49,617 psi88%2516 fps100%
Vihtavuori N140<<locked>>86%50,328 psi89%2530 fps100%
Vihtavuori N150<<locked>>92%50,140 psi89%2556 fps100%
Vihtavuori N160<<locked>>94%48,037 psi85%2585 fps99.1%
Vihtavuori N530<<locked>>82%50,067 psi89%2552 fps100%
Vihtavuori N540<<locked>>86%48,631 psi86%2526 fps100%
Vihtavuori N550<<locked>>96%50,299 psi89%2638 fps99.3%
Vihtavuori N555ᴾ<<locked>>100%42,380 psi75%2572 fps98.9%
Winchester 6.5 StaBALL<<locked>>94%48,095 psi85%2566 fps100%
Winchester 748<<locked>>82%49,792 psi88%2595 fps100%
Winchester 760<<locked>>94%49,066 psi87%2641 fps97.4%
Winchester StaBALL HDᴾ<<locked>>100%34,374 psi61%2500 fps98.9%
Winchester StaBALL Match<<locked>>84%48,573 psi86%2572 fps99.9%

Recommended = one of the top powders for this cartridge and bullet combination.

Start Load - Barrel Length: 23.62"

PowderChargeFRMaxP%V(0)z
Accurate 2495<<locked>>80%40,509 psi72%2388 fps100%
Accurate 2700<<locked>>84%46,122 psi82%2470 fps95.6%
Accurate 3100<<locked>>98%37,521 psi66%2421 fps95.3%
Accurate 4064<<locked>>80%38,363 psi68%2385 fps100%
Accurate 4350<<locked>>84%32,213 psi57%2320 fps95.4%
ADI AR 2206H<<locked>>80%44,657 psi79%2500 fps99.5%
ADI AR 2208<<locked>>80%37,855 psi67%2359 fps97.8%
ADI Benchmark 8208<<locked>>80%46,818 psi83%2507 fps100%
Alliant AR-Comp<<locked>>80%47,123 psi83%2487 fps100%
Alliant Power Pro 2000-MR<<locked>>80%40,495 psi72%2530 fps98.3%
Alliant Reloder- TS 15.5<<locked>>80%37,347 psi66%2375 fps98.9%
Alliant Reloder-15<<locked>>80%40,321 psi71%2441 fps98.5%
Alliant Reloder-16<<locked>>84%32,837 psi58%2336 fps95.6%
Alliant Reloder-1741 gr80%32,271 psi57%2349 fps97.3%
Alliant Reloder-23<<locked>>90%28,268 psi50%2247 fps95.2%
Alliant Reloder-26<<locked>>94%34,708 psi61%2467 fps95.5%
Baschieri & Pellagri 107<<locked>>80%43,714 psi77%2503 fps98.7%
Bofors RP3<<locked>>80%36,912 psi65%2379 fps99%
Bofors RP7<<locked>>88%43,265 psi76%2457 fps95.2%
Hodgdon BL-C2<<locked>>80%45,411 psi80%2526 fps100%
Hodgdon H380<<locked>>80%37,797 psi67%2385 fps96.7%
Hodgdon H414<<locked>>88%40,132 psi71%2480 fps95%
Hodgdon H4350<<locked>>90%46,818 psi83%2556 fps95.4%
Hodgdon H4895<<locked>>80%45,063 psi80%2510 fps99.7%
Hodgdon Hybrid 100V<<locked>>82%28,152 psi50%2192 fps95.5%
Hodgdon LEVERevolution<<locked>>80%41,002 psi72%2484 fps99.6%
Hodgdon Superformance<<locked>>90%42,583 psi75%2549 fps95.1%
Hodgdon TrailBoss<<locked>>80%26,411 psi47%1430 fps100%
Hodgdon VARGET<<locked>>80%43,105 psi76%2461 fps99.5%
IMR 3031<<locked>>80%44,570 psi79%2497 fps100%
IMR 4064<<locked>>80%39,711 psi70%2388 fps98.4%
IMR 4166 Enduron<<locked>>80%42,134 psi74%2408 fps95.5%
IMR 4350<<locked>>92%43,482 psi77%2484 fps95.3%
IMR 4451 Enduron<<locked>>86%42,366 psi75%2441 fps95.4%
IMR 4831<<locked>>84%31,357 psi55%2283 fps95.1%
IMR 4895<<locked>>80%41,307 psi73%2467 fps99.1%
IMR 8208 XBR<<locked>>80%46,818 psi83%2507 fps100%
Lovex D073.6<<locked>>80%43,729 psi77%2477 fps100%
Lovex S060<<locked>>80%44,643 psi79%2438 fps99.5%
Lovex S062<<locked>>80%39,552 psi70%2392 fps99.5%
Lovex S065<<locked>>84%36,695 psi65%2336 fps95.4%
Lovex S070<<locked>>88%39,479 psi70%2411 fps95%
Norma 201<<locked>>80%43,468 psi77%2451 fps99.8%
Norma 202<<locked>>80%43,830 psi77%2457 fps100%
Norma 203B<<locked>>80%39,682 psi70%2428 fps98.8%
Norma URP<<locked>>84%32,938 psi58%2329 fps95.5%
Ramshot Big Game<<locked>>80%39,160 psi69%2441 fps98.5%
Ramshot Hunter<<locked>>90%39,233 psi69%2470 fps95.7%
Ramshot TAC<<locked>>80%46,499 psi82%2513 fps98.1%
Ramshot Wild Boar<<locked>>80%45,992 psi81%2530 fps99.6%
ReloadSwiss RS 14<<locked>>80%26,571 psi47%1463 fps100%
ReloadSwiss RS 50<<locked>>80%38,203 psi68%2369 fps95%
ReloadSwiss RS 52<<locked>>80%42,351 psi75%2533 fps98.8%
ReloadSwiss RS 6041 gr80%34,389 psi61%2415 fps99.7%
ReloadSwiss RS 62<<locked>>86%34,490 psi61%2392 fps95.9%
ReloadSwiss RS 7045.8 gr88%37,246 psi66%2457 fps96%
Rottweil R 901<<locked>>80%47,326 psi84%2484 fps100%
Rottweil R 902<<locked>>80%41,452 psi73%2408 fps99.7%
Rottweil R 903<<locked>>80%34,592 psi61%2326 fps98.2%
Rottweil R 907<<locked>>88%43,265 psi76%2457 fps95.2%
Shooters World Long Rifle<<locked>>84%36,695 psi65%2336 fps95.4%
Shooters World Match Rifle<<locked>>80%43,729 psi77%2477 fps100%
Shooters World Precision<<locked>>80%39,552 psi70%2392 fps99.5%
Shooters World SW4350<<locked>>88%39,479 psi70%2411 fps95%
SNPE Vectan SP 11<<locked>>80%35,708 psi63%2375 fps97.8%
SNPE Vectan SP 7<<locked>>80%44,744 psi79%2490 fps98.2%
SNPE Vectan SP 9<<locked>>80%42,946 psi76%2467 fps99.2%
SNPE Vectan Tubal 3000<<locked>>80%44,875 psi79%2405 fps100%
SNPE Vectan Tubal 5000<<locked>>80%37,275 psi66%2280 fps100%
SNPE Vectan Tubal 7000<<locked>>88%41,249 psi73%2388 fps95.3%
Somchem S335<<locked>>80%44,498 psi79%2405 fps100%
Somchem S341<<locked>>80%44,483 psi79%2484 fps99.4%
Somchem S355<<locked>>80%35,563 psi63%2333 fps98.2%
Somchem S365<<locked>>80%25,759 psi46%2175 fps95.9%
Somchem S385<<locked>>98%43,526 psi77%2523 fps95.3%
Vihtavuori N133<<locked>>80%45,295 psi80%2398 fps100%
Vihtavuori N135<<locked>>80%40,843 psi72%2385 fps100%
Vihtavuori N140<<locked>>80%41,481 psi73%2395 fps100%
Vihtavuori N150<<locked>>80%33,750 psi60%2274 fps98.9%
Vihtavuori N160<<locked>>82%32,068 psi57%2277 fps95%
Vihtavuori N530<<locked>>80%46,804 psi83%2503 fps100%
Vihtavuori N540<<locked>>80%39,958 psi71%2388 fps100%
Vihtavuori N550<<locked>>84%33,750 psi60%2329 fps95.5%
Vihtavuori N555<<locked>>90%30,255 psi53%2316 fps95.3%
Winchester 6.5 StaBALL<<locked>>80%29,921 psi53%2205 fps96.5%
Winchester 748<<locked>>80%46,543 psi82%2546 fps100%
Winchester 760<<locked>>88%40,132 psi71%2480 fps95%
Winchester StaBALL HD<<locked>>94%28,268 psi50%2316 fps95.6%
Winchester StaBALL Match<<locked>>80%42,569 psi75%2474 fps99.5%

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.

<<locked>> you need an access license to unlock this data.

This overview compares 89 powders for 7 x 57 loaded with the .284 | 160gr | Peregrine VRG-3. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,700 fps; across all powders the maximum-charge window runs from 1,604 fps to 2,700 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 61–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:11.0 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 | Peregrine VRG-3 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.

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