Load data for .325 WSM + .323 | 180gr | Peregrine VLR-4

.325 WSM cartridge drawing
Peregrine logo

Load Specifications

Bullet Manufacturer:Peregrine
Bullet Weight:180 gr
Bullet Diameter:0.323"
Bullet Length:<<locked>>
Case Length (l3):2.09"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:81.8 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:23"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:11.0

Load data in caliber .325 WSM with .323 | 180gr | Peregrine VLR-4 bullet and 102 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and Ramshot Big Game.

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"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>88%55,230 psi87%2726 fps100%
Accurate 2460<<locked>>86%57,305 psi90%2802 fps100%
Accurate 2495<<locked>>94%56,333 psi88%2789 fps100%
Accurate 2520<<locked>>88%55,593 psi87%2815 fps100%
Accurate 2700<<locked>>94%57,290 psi90%2785 fps96%
Accurate 4064<<locked>>96%56,014 psi88%2831 fps100%
Accurate 4350ᴾ<<locked>>100%48,443 psi76%2789 fps98.1%
Accurate LT-30<<locked>>82%54,969 psi86%2677 fps100%
Accurate LT-32<<locked>>82%55,390 psi87%2703 fps100%
ADI AR 2206H<<locked>>90%54,302 psi85%2818 fps99.6%
ADI AR 2208<<locked>>96%55,405 psi87%2815 fps99.3%
ADI AR 2219<<locked>>82%55,709 psi87%2795 fps100%
ADI Benchmark 8208<<locked>>90%57,087 psi89%2825 fps100%
Alliant AR-Comp<<locked>>90%57,363 psi90%2802 fps100%
Alliant Power Pro 1200-R<<locked>>84%55,303 psi87%2881 fps99.9%
Alliant Power Pro 2000-MR<<locked>>92%53,925 psi85%2927 fps99.2%
Alliant Reloder- TS 15.5<<locked>>96%54,810 psi86%2835 fps99.9%
Alliant Reloder-10x<<locked>>84%55,274 psi87%2736 fps100%
Alliant Reloder-15<<locked>>94%55,579 psi87%2858 fps99.5%
Alliant Reloder-16ᴾ<<locked>>100%47,993 psi75%2802 fps98.2%
Alliant Reloder-17ᴾ<<locked>>100%55,608 psi87%2953 fps99.9%
Baschieri & Pellagri 106<<locked>>84%57,696 psi90%2720 fps100%
Baschieri & Pellagri 107<<locked>>90%54,288 psi85%2831 fps99%
Bofors RP3<<locked>>96%55,143 psi86%2848 fps99.9%
Bofors RP7ᴾ<<locked>>100%55,941 psi88%2812 fps96.1%
Hodgdon Benchmark<<locked>>88%55,898 psi88%2766 fps100%
Hodgdon BL-C2<<locked>>90%56,246 psi88%2854 fps100%
Hodgdon CFE223<<locked>>86%54,578 psi86%2900 fps99.4%
Hodgdon H322<<locked>>84%54,592 psi86%2779 fps100%
Hodgdon H335<<locked>>84%55,550 psi87%2802 fps100%
Hodgdon H380<<locked>>96%56,884 psi89%2864 fps98.8%
Hodgdon H414ᴾ<<locked>>100%52,054 psi82%2841 fps96.1%
Hodgdon H4895<<locked>>90%54,853 psi86%2828 fps99.8%
Hodgdon Hybrid 100Vᴾ<<locked>>100%43,772 psi69%2677 fps98.6%
Hodgdon LEVERevolution<<locked>>94%57,551 psi90%2910 fps100%
Hodgdon TrailBossᴾ<<locked>>100%34,751 psi54%1696 fps100%
Hodgdon VARGET<<locked>>92%56,507 psi89%2835 fps99.9%
IMR 3031<<locked>>90%54,563 psi86%2822 fps100%
IMR 4064<<locked>>94%54,926 psi86%2799 fps99.4%
IMR 4166 Enduron<<locked>>92%55,709 psi87%2782 fps96.7%
IMR 4198<<locked>>84%55,564 psi87%2697 fps100%
IMR 4451 Enduron<<locked>>98%54,766 psi86%2795 fps96.4%
IMR 4831ᴾ<<locked>>100%46,238 psi72%2733 fps97.7%
IMR 4895<<locked>>94%57,000 psi89%2887 fps99.8%
IMR 8208 XBR<<locked>>90%57,087 psi89%2825 fps100%
Lovex D073.5<<locked>>86%57,595 psi90%2815 fps100%
Lovex D073.6<<locked>>92%57,246 psi90%2848 fps100%
Lovex S060<<locked>>90%54,520 psi85%2753 fps99.6%
Lovex S062<<locked>>94%54,201 psi85%2795 fps100%
Lovex S065ᴾ<<locked>>100%53,345 psi84%2785 fps97.6%
Lovex S070ᴾ<<locked>>100%50,749 psi80%2759 fps96%
Norma 201<<locked>>92%56,347 psi88%2812 fps100%
Norma 202<<locked>>92%57,188 psi90%2822 fps100%
Norma 203B<<locked>>94%54,679 psi86%2844 fps99.6%
Norma URPᴾ<<locked>>100%48,240 psi76%2782 fps97.9%
Ramshot Big Game<<locked>>94%55,608 psi87%2874 fps99.6%
Ramshot Hunterᴾ<<locked>>100%47,514 psi74%2772 fps95.9%
Ramshot TAC<<locked>>88%54,230 psi85%2789 fps97.9%
Ramshot Wild Boar<<locked>>90%57,217 psi90%2864 fps99.7%
Ramshot X-Terminator<<locked>>86%55,027 psi86%2782 fps99.5%
ReloadSwiss RS 14ᴾ<<locked>>100%35,056 psi55%1736 fps100%
ReloadSwiss RS 40<<locked>>86%56,913 psi89%2812 fps100%
ReloadSwiss RS 50<<locked>>96%57,522 psi90%2848 fps97.6%
ReloadSwiss RS 52<<locked>>92%56,072 psi88%2927 fps99.5%
ReloadSwiss RS 60<<locked>>98%55,506 psi87%2956 fps100%
ReloadSwiss RS 62ᴾ<<locked>>100%48,312 psi76%2812 fps97.8%
ReloadSwiss RS 70ᴾ<<locked>>100%49,052 psi77%2831 fps97.3%
Rottweil R 901<<locked>>90%57,101 psi89%2795 fps100%
Rottweil R 902<<locked>>94%56,710 psi89%2812 fps100%
Rottweil R 903<<locked>>98%54,998 psi86%2838 fps99.9%
Rottweil R 907ᴾ<<locked>>100%55,941 psi88%2812 fps96.1%
Shooters World Long Rifleᴾ<<locked>>100%53,345 psi84%2785 fps97.6%
Shooters World Match Rifle<<locked>>92%57,246 psi90%2848 fps100%
Shooters World Precision<<locked>>94%54,201 psi85%2795 fps100%
Shooters World SW4350ᴾ<<locked>>100%50,749 psi80%2759 fps96%
Shooters World Tactical Rifle<<locked>>84%56,753 psi89%2782 fps99.9%
SNPE Vectan SP 10<<locked>>82%56,202 psi88%2808 fps100%
SNPE Vectan SP 11<<locked>>98%57,101 psi89%2904 fps99.8%
SNPE Vectan SP 3<<locked>>84%56,391 psi88%2759 fps100%
SNPE Vectan SP 7<<locked>>90%55,840 psi88%2815 fps98.6%
SNPE Vectan SP 9<<locked>>92%56,550 psi89%2844 fps99.7%
SNPE Vectan Tubal 3000<<locked>>90%55,216 psi87%2717 fps100%
SNPE Vectan Tubal 5000<<locked>>96%54,911 psi86%2710 fps100%
SNPE Vectan Tubal 7000ᴾ<<locked>>100%54,070 psi85%2740 fps96.3%
Somchem S321<<locked>>86%54,810 psi86%2808 fps100%
Somchem S335<<locked>>92%57,493 psi90%2756 fps100%
Somchem S341<<locked>>90%55,434 psi87%2812 fps99.6%
Somchem S355<<locked>>98%55,448 psi87%2838 fps99.8%
Somchem S365ᴾ<<locked>>100%42,801 psi67%2730 fps99.5%
Vihtavuori N130<<locked>>86%54,897 psi86%2684 fps100%
Vihtavuori N133<<locked>>90%55,288 psi87%2703 fps100%
Vihtavuori N135<<locked>>94%56,362 psi88%2782 fps100%
Vihtavuori N140<<locked>>94%57,696 psi90%2799 fps100%
Vihtavuori N150ᴾ<<locked>>100%57,290 psi90%2822 fps100%
Vihtavuori N160ᴾ<<locked>>100%50,966 psi80%2785 fps98.3%
Vihtavuori N530<<locked>>88%54,273 psi85%2776 fps100%
Vihtavuori N540<<locked>>94%55,753 psi87%2795 fps100%
Vihtavuori N550ᴾ<<locked>>100%49,777 psi78%2785 fps97.9%
Winchester 6.5 StaBALLᴾ<<locked>>100%51,924 psi81%2776 fps99.7%
Winchester 748<<locked>>90%57,522 psi90%2877 fps100%
Winchester 760ᴾ<<locked>>100%52,330 psi82%2848 fps96.2%
Winchester StaBALL Match<<locked>>92%56,231 psi88%2851 fps99.9%

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

Start Load - Barrel Length: 23"

PowderChargeFRMaxP%V(0)z
Accurate 2015<<locked>>80%43,047 psi67%2549 fps100%
Accurate 2460<<locked>>80%46,760 psi73%2648 fps100%
Accurate 2495<<locked>>80%34,940 psi55%2448 fps100%
Accurate 2520<<locked>>80%41,930 psi66%2598 fps99.7%
Accurate 2700<<locked>>92%53,563 psi84%2733 fps95.3%
Accurate 4064<<locked>>80%33,112 psi52%2431 fps99.1%
Accurate 4350<<locked>>94%38,914 psi61%2612 fps95.7%
Accurate LT-30<<locked>>80%51,692 psi81%2631 fps100%
Accurate LT-32<<locked>>80%52,083 psi82%2654 fps100%
ADI AR 2206H<<locked>>80%39,479 psi62%2552 fps97.2%
ADI AR 2208<<locked>>82%35,926 psi56%2457 fps95.3%
ADI AR 2219<<locked>>80%52,025 psi82%2743 fps100%
ADI Benchmark 8208<<locked>>80%41,582 psi65%2569 fps98.7%
Alliant AR-Comp<<locked>>80%40,973 psi64%2572 fps100%
Alliant Power Pro 1200-R<<locked>>80%48,356 psi76%2766 fps99.3%
Alliant Power Pro 2000-MR54.4 gr82%38,203 psi60%2618 fps95.6%
Alliant Reloder- TS 15.5<<locked>>80%32,735 psi51%2421 fps96.1%
Alliant Reloder-10x<<locked>>80%48,689 psi76%2644 fps100%
Alliant Reloder-15<<locked>>80%35,317 psi55%2480 fps95.3%
Alliant Reloder-16<<locked>>92%37,318 psi58%2575 fps95%
Alliant Reloder-17<<locked>>86%34,606 psi54%2539 fps96%
Baschieri & Pellagri 106<<locked>>80%50,691 psi79%2628 fps100%
Baschieri & Pellagri 107<<locked>>80%38,508 psi60%2549 fps95.7%
Bofors RP3<<locked>>80%31,995 psi50%2415 fps95.9%
Bofors RP7<<locked>>98%52,518 psi82%2759 fps95.4%
Hodgdon Benchmark<<locked>>80%43,714 psi69%2569 fps99.4%
Hodgdon BL-C2<<locked>>80%39,900 psi63%2585 fps98.9%
Hodgdon CFE223<<locked>>80%43,888 psi69%2717 fps97.8%
Hodgdon H322<<locked>>80%47,732 psi75%2677 fps100%
Hodgdon H335<<locked>>80%48,327 psi76%2697 fps100%
Hodgdon H380<<locked>>86%40,553 psi64%2585 fps95.5%
Hodgdon H414<<locked>>98%48,646 psi76%2785 fps95.3%
Hodgdon H4895<<locked>>80%39,769 psi62%2562 fps97.8%
Hodgdon Hybrid 100V<<locked>>92%33,881 psi53%2467 fps95.8%
Hodgdon LEVERevolution<<locked>>80%35,679 psi56%2526 fps97.2%
Hodgdon TrailBoss<<locked>>80%25,744 psi40%1516 fps100%
Hodgdon VARGET<<locked>>80%38,479 psi60%2523 fps97.4%
IMR 3031<<locked>>80%38,885 psi61%2569 fps100%
IMR 4064<<locked>>80%35,346 psi55%2441 fps95.4%
IMR 4166 Enduron<<locked>>88%48,863 psi77%2671 fps95.2%
IMR 4198<<locked>>80%49,414 psi77%2612 fps100%
IMR 4451 Enduron<<locked>>96%51,532 psi81%2743 fps95.7%
IMR 4831<<locked>>94%37,840 psi59%2572 fps95.4%
IMR 4895<<locked>>80%36,129 psi57%2510 fps96.3%
IMR 8208 XBR<<locked>>80%41,582 psi65%2569 fps98.7%
Lovex D073.5<<locked>>80%46,746 psi73%2657 fps99.8%
Lovex D073.6<<locked>>80%37,855 psi59%2530 fps99.2%
Lovex S060<<locked>>80%40,248 psi63%2503 fps97.4%
Lovex S062<<locked>>80%34,940 psi55%2444 fps97.3%
Lovex S065<<locked>>94%44,382 psi70%2631 fps95.6%
Lovex S070<<locked>>98%47,645 psi75%2710 fps95.2%
Norma 201<<locked>>80%38,493 psi60%2510 fps98.2%
Norma 202<<locked>>80%38,812 psi61%2526 fps99.7%
Norma 203B<<locked>>80%34,693 psi54%2470 fps95.7%
Norma URP<<locked>>94%39,595 psi62%2621 fps95.8%
Ramshot Big Game53.1 gr80%34,272 psi54%2477 fps95.2%
Ramshot Hunter<<locked>>98%44,425 psi70%2713 fps95.1%
Ramshot TAC<<locked>>80%41,481 psi65%2566 fps95%
Ramshot Wild Boar<<locked>>80%40,654 psi64%2585 fps97.4%
Ramshot X-Terminator<<locked>>80%45,150 psi71%2618 fps98.3%
ReloadSwiss RS 14<<locked>>80%25,904 psi41%1549 fps100%
ReloadSwiss RS 40<<locked>>80%46,804 psi73%2657 fps99.9%
ReloadSwiss RS 50<<locked>>90%47,152 psi74%2680 fps95.5%
ReloadSwiss RS 52<<locked>>80%36,506 psi57%2572 fps95.7%
ReloadSwiss RS 6052.3 gr80%30,182 psi47%2431 fps96.6%
ReloadSwiss RS 62<<locked>>94%38,957 psi61%2631 fps95.2%
ReloadSwiss RS 70<<locked>>96%42,859 psi67%2710 fps95.5%
Rottweil R 901<<locked>>80%42,163 psi66%2559 fps99.8%
Rottweil R 902<<locked>>80%36,593 psi57%2461 fps97.7%
Rottweil R 903<<locked>>82%32,097 psi50%2411 fps95.6%
Rottweil R 907<<locked>>98%52,518 psi82%2759 fps95.4%
Shooters World Long Rifle<<locked>>94%44,382 psi70%2631 fps95.6%
Shooters World Match Rifle<<locked>>80%37,855 psi59%2530 fps99.2%
Shooters World Precision<<locked>>80%34,940 psi55%2444 fps97.3%
Shooters World SW4350<<locked>>98%47,645 psi75%2710 fps95.2%
Shooters World Tactical Rifle<<locked>>80%49,588 psi78%2677 fps99.6%
SNPE Vectan SP 10<<locked>>80%52,344 psi82%2753 fps100%
SNPE Vectan SP 11<<locked>>82%33,431 psi52%2461 fps95%
SNPE Vectan SP 3<<locked>>80%49,559 psi78%2667 fps100%
SNPE Vectan SP 7<<locked>>80%39,523 psi62%2536 fps95.1%
SNPE Vectan SP 9<<locked>>80%38,000 psi60%2520 fps96.7%
SNPE Vectan Tubal 3000<<locked>>80%40,292 psi63%2480 fps99.8%
SNPE Vectan Tubal 5000<<locked>>80%33,141 psi52%2346 fps99.4%
SNPE Vectan Tubal 7000<<locked>>98%50,633 psi79%2687 fps95.6%
Somchem S321<<locked>>80%44,686 psi70%2648 fps99.4%
Somchem S335<<locked>>80%39,697 psi62%2480 fps100%
Somchem S341<<locked>>80%39,218 psi61%2536 fps97%
Somchem S355<<locked>>82%33,330 psi52%2428 fps95.8%
Somchem S365<<locked>>88%28,921 psi45%2395 fps95.1%
Vihtavuori N130<<locked>>80%45,759 psi72%2552 fps100%
Vihtavuori N133<<locked>>80%40,538 psi64%2480 fps100%
Vihtavuori N135<<locked>>80%35,766 psi56%2457 fps100%
Vihtavuori N140<<locked>>80%36,738 psi58%2464 fps99.6%
Vihtavuori N150<<locked>>80%29,559 psi46%2313 fps95.9%
Vihtavuori N160<<locked>>92%39,044 psi61%2572 fps95.4%
Vihtavuori N530<<locked>>80%41,626 psi65%2566 fps98.8%
Vihtavuori N540<<locked>>80%35,259 psi55%2448 fps99.1%
Vihtavuori N550<<locked>>94%40,799 psi64%2625 fps95.8%
Winchester 6.5 StaBALL<<locked>>86%32,343 psi51%2388 fps95.2%
Winchester 748<<locked>>80%40,843 psi64%2608 fps99.2%
Winchester 760<<locked>>98%48,907 psi77%2789 fps95.4%
Winchester StaBALL Match<<locked>>80%37,246 psi58%2520 fps97.2%

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 111 powders for .325 WSM loaded with the .323 | 180gr | Peregrine VLR-4. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,956 fps; across all powders the maximum-charge window runs from 1,696 fps to 2,956 fps. Accurate 4350 gives the best case fill at 100 %, and 111 of the 111 powders fall inside the usable 80–100 % fill window.

Relative to the caliber's maximum pressure (440 MPa), the top charges use 47–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.323" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, Ramshot Big Game rank at the top here: for .325 WSM with the .323 | 180gr | Peregrine VLR-4 they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-26, IMR 4350, Norma 204 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.

← All load data