
Load Specifications
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"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 55,230 psi | 87% | 2726 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 57,305 psi | 90% | 2802 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 56,333 psi | 88% | 2789 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 55,593 psi | 87% | 2815 fps | 100% |
| Accurate 2700 | <<locked>> | 94% | 57,290 psi | 90% | 2785 fps | 96% |
| Accurate 4064 | <<locked>> | 96% | 56,014 psi | 88% | 2831 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 48,443 psi | 76% | 2789 fps | 98.1% |
| Accurate LT-30 | <<locked>> | 82% | 54,969 psi | 86% | 2677 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 55,390 psi | 87% | 2703 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 54,302 psi | 85% | 2818 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 96% | 55,405 psi | 87% | 2815 fps | 99.3% |
| ADI AR 2219 | <<locked>> | 82% | 55,709 psi | 87% | 2795 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 57,087 psi | 89% | 2825 fps | 100% |
| Alliant AR-Comp | <<locked>> | 90% | 57,363 psi | 90% | 2802 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 55,303 psi | 87% | 2881 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 53,925 psi | 85% | 2927 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 54,810 psi | 86% | 2835 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 84% | 55,274 psi | 87% | 2736 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 55,579 psi | 87% | 2858 fps | 99.5% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 47,993 psi | 75% | 2802 fps | 98.2% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 55,608 psi | 87% | 2953 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 57,696 psi | 90% | 2720 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 54,288 psi | 85% | 2831 fps | 99% |
| Bofors RP3 | <<locked>> | 96% | 55,143 psi | 86% | 2848 fps | 99.9% |
| Bofors RP7ᴾ | <<locked>> | 100% | 55,941 psi | 88% | 2812 fps | 96.1% |
| Hodgdon Benchmark | <<locked>> | 88% | 55,898 psi | 88% | 2766 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 56,246 psi | 88% | 2854 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 54,578 psi | 86% | 2900 fps | 99.4% |
| Hodgdon H322 | <<locked>> | 84% | 54,592 psi | 86% | 2779 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 55,550 psi | 87% | 2802 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 56,884 psi | 89% | 2864 fps | 98.8% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 52,054 psi | 82% | 2841 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 90% | 54,853 psi | 86% | 2828 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 43,772 psi | 69% | 2677 fps | 98.6% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 57,551 psi | 90% | 2910 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,751 psi | 54% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 56,507 psi | 89% | 2835 fps | 99.9% |
| IMR 3031 | <<locked>> | 90% | 54,563 psi | 86% | 2822 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 54,926 psi | 86% | 2799 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 92% | 55,709 psi | 87% | 2782 fps | 96.7% |
| IMR 4198 | <<locked>> | 84% | 55,564 psi | 87% | 2697 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 54,766 psi | 86% | 2795 fps | 96.4% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,238 psi | 72% | 2733 fps | 97.7% |
| IMR 4895 | <<locked>> | 94% | 57,000 psi | 89% | 2887 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 90% | 57,087 psi | 89% | 2825 fps | 100% |
| Lovex D073.5 | <<locked>> | 86% | 57,595 psi | 90% | 2815 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 57,246 psi | 90% | 2848 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 54,520 psi | 85% | 2753 fps | 99.6% |
| Lovex S062 | <<locked>> | 94% | 54,201 psi | 85% | 2795 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 53,345 psi | 84% | 2785 fps | 97.6% |
| Lovex S070ᴾ | <<locked>> | 100% | 50,749 psi | 80% | 2759 fps | 96% |
| Norma 201 | <<locked>> | 92% | 56,347 psi | 88% | 2812 fps | 100% |
| Norma 202 | <<locked>> | 92% | 57,188 psi | 90% | 2822 fps | 100% |
| Norma 203B | <<locked>> | 94% | 54,679 psi | 86% | 2844 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 48,240 psi | 76% | 2782 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 94% | 55,608 psi | 87% | 2874 fps | 99.6% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 47,514 psi | 74% | 2772 fps | 95.9% |
| Ramshot TAC | <<locked>> | 88% | 54,230 psi | 85% | 2789 fps | 97.9% |
| Ramshot Wild Boar | <<locked>> | 90% | 57,217 psi | 90% | 2864 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,027 psi | 86% | 2782 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,056 psi | 55% | 1736 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 56,913 psi | 89% | 2812 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 57,522 psi | 90% | 2848 fps | 97.6% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 56,072 psi | 88% | 2927 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 55,506 psi | 87% | 2956 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,312 psi | 76% | 2812 fps | 97.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,052 psi | 77% | 2831 fps | 97.3% |
| Rottweil R 901 | <<locked>> | 90% | 57,101 psi | 89% | 2795 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 56,710 psi | 89% | 2812 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 54,998 psi | 86% | 2838 fps | 99.9% |
| Rottweil R 907ᴾ | <<locked>> | 100% | 55,941 psi | 88% | 2812 fps | 96.1% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 53,345 psi | 84% | 2785 fps | 97.6% |
| Shooters World Match Rifle | <<locked>> | 92% | 57,246 psi | 90% | 2848 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 54,201 psi | 85% | 2795 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 50,749 psi | 80% | 2759 fps | 96% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 56,753 psi | 89% | 2782 fps | 99.9% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 56,202 psi | 88% | 2808 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 57,101 psi | 89% | 2904 fps | 99.8% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 56,391 psi | 88% | 2759 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 55,840 psi | 88% | 2815 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 56,550 psi | 89% | 2844 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,216 psi | 87% | 2717 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 54,911 psi | 86% | 2710 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 54,070 psi | 85% | 2740 fps | 96.3% |
| Somchem S321 | <<locked>> | 86% | 54,810 psi | 86% | 2808 fps | 100% |
| Somchem S335 | <<locked>> | 92% | 57,493 psi | 90% | 2756 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 55,434 psi | 87% | 2812 fps | 99.6% |
| Somchem S355 | <<locked>> | 98% | 55,448 psi | 87% | 2838 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 42,801 psi | 67% | 2730 fps | 99.5% |
| Vihtavuori N130 | <<locked>> | 86% | 54,897 psi | 86% | 2684 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 55,288 psi | 87% | 2703 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 56,362 psi | 88% | 2782 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 57,696 psi | 90% | 2799 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 57,290 psi | 90% | 2822 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 50,966 psi | 80% | 2785 fps | 98.3% |
| Vihtavuori N530 | <<locked>> | 88% | 54,273 psi | 85% | 2776 fps | 100% |
| Vihtavuori N540 | <<locked>> | 94% | 55,753 psi | 87% | 2795 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 49,777 psi | 78% | 2785 fps | 97.9% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 51,924 psi | 81% | 2776 fps | 99.7% |
| Winchester 748 | <<locked>> | 90% | 57,522 psi | 90% | 2877 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 52,330 psi | 82% | 2848 fps | 96.2% |
| Winchester StaBALL Match | <<locked>> | 92% | 56,231 psi | 88% | 2851 fps | 99.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 43,047 psi | 67% | 2549 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,760 psi | 73% | 2648 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,940 psi | 55% | 2448 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,930 psi | 66% | 2598 fps | 99.7% |
| Accurate 2700 | <<locked>> | 92% | 53,563 psi | 84% | 2733 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 33,112 psi | 52% | 2431 fps | 99.1% |
| Accurate 4350 | <<locked>> | 94% | 38,914 psi | 61% | 2612 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 51,692 psi | 81% | 2631 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 52,083 psi | 82% | 2654 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 39,479 psi | 62% | 2552 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 35,926 psi | 56% | 2457 fps | 95.3% |
| ADI AR 2219 | <<locked>> | 80% | 52,025 psi | 82% | 2743 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,582 psi | 65% | 2569 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 80% | 40,973 psi | 64% | 2572 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,356 psi | 76% | 2766 fps | 99.3% |
| Alliant Power Pro 2000-MR | 54.4 gr | 82% | 38,203 psi | 60% | 2618 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,735 psi | 51% | 2421 fps | 96.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,689 psi | 76% | 2644 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,317 psi | 55% | 2480 fps | 95.3% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,318 psi | 58% | 2575 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 86% | 34,606 psi | 54% | 2539 fps | 96% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,691 psi | 79% | 2628 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,508 psi | 60% | 2549 fps | 95.7% |
| Bofors RP3 | <<locked>> | 80% | 31,995 psi | 50% | 2415 fps | 95.9% |
| Bofors RP7 | <<locked>> | 98% | 52,518 psi | 82% | 2759 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,714 psi | 69% | 2569 fps | 99.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,900 psi | 63% | 2585 fps | 98.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,888 psi | 69% | 2717 fps | 97.8% |
| Hodgdon H322 | <<locked>> | 80% | 47,732 psi | 75% | 2677 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,327 psi | 76% | 2697 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 40,553 psi | 64% | 2585 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 98% | 48,646 psi | 76% | 2785 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 39,769 psi | 62% | 2562 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 33,881 psi | 53% | 2467 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,679 psi | 56% | 2526 fps | 97.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,744 psi | 40% | 1516 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,479 psi | 60% | 2523 fps | 97.4% |
| IMR 3031 | <<locked>> | 80% | 38,885 psi | 61% | 2569 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,346 psi | 55% | 2441 fps | 95.4% |
| IMR 4166 Enduron | <<locked>> | 88% | 48,863 psi | 77% | 2671 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 49,414 psi | 77% | 2612 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 51,532 psi | 81% | 2743 fps | 95.7% |
| IMR 4831 | <<locked>> | 94% | 37,840 psi | 59% | 2572 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 36,129 psi | 57% | 2510 fps | 96.3% |
| IMR 8208 XBR | <<locked>> | 80% | 41,582 psi | 65% | 2569 fps | 98.7% |
| Lovex D073.5 | <<locked>> | 80% | 46,746 psi | 73% | 2657 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 37,855 psi | 59% | 2530 fps | 99.2% |
| Lovex S060 | <<locked>> | 80% | 40,248 psi | 63% | 2503 fps | 97.4% |
| Lovex S062 | <<locked>> | 80% | 34,940 psi | 55% | 2444 fps | 97.3% |
| Lovex S065 | <<locked>> | 94% | 44,382 psi | 70% | 2631 fps | 95.6% |
| Lovex S070 | <<locked>> | 98% | 47,645 psi | 75% | 2710 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 38,493 psi | 60% | 2510 fps | 98.2% |
| Norma 202 | <<locked>> | 80% | 38,812 psi | 61% | 2526 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 34,693 psi | 54% | 2470 fps | 95.7% |
| Norma URP | <<locked>> | 94% | 39,595 psi | 62% | 2621 fps | 95.8% |
| Ramshot Big Game | 53.1 gr | 80% | 34,272 psi | 54% | 2477 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 98% | 44,425 psi | 70% | 2713 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 41,481 psi | 65% | 2566 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,654 psi | 64% | 2585 fps | 97.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,150 psi | 71% | 2618 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,904 psi | 41% | 1549 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,804 psi | 73% | 2657 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 47,152 psi | 74% | 2680 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,506 psi | 57% | 2572 fps | 95.7% |
| ReloadSwiss RS 60 | 52.3 gr | 80% | 30,182 psi | 47% | 2431 fps | 96.6% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 38,957 psi | 61% | 2631 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 42,859 psi | 67% | 2710 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 42,163 psi | 66% | 2559 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 36,593 psi | 57% | 2461 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 82% | 32,097 psi | 50% | 2411 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 98% | 52,518 psi | 82% | 2759 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 94% | 44,382 psi | 70% | 2631 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,855 psi | 59% | 2530 fps | 99.2% |
| Shooters World Precision | <<locked>> | 80% | 34,940 psi | 55% | 2444 fps | 97.3% |
| Shooters World SW4350 | <<locked>> | 98% | 47,645 psi | 75% | 2710 fps | 95.2% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,588 psi | 78% | 2677 fps | 99.6% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 52,344 psi | 82% | 2753 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,431 psi | 52% | 2461 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,559 psi | 78% | 2667 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,523 psi | 62% | 2536 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,000 psi | 60% | 2520 fps | 96.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,292 psi | 63% | 2480 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,141 psi | 52% | 2346 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 50,633 psi | 79% | 2687 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 44,686 psi | 70% | 2648 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 39,697 psi | 62% | 2480 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,218 psi | 61% | 2536 fps | 97% |
| Somchem S355 | <<locked>> | 82% | 33,330 psi | 52% | 2428 fps | 95.8% |
| Somchem S365 | <<locked>> | 88% | 28,921 psi | 45% | 2395 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 45,759 psi | 72% | 2552 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,538 psi | 64% | 2480 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,766 psi | 56% | 2457 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,738 psi | 58% | 2464 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 80% | 29,559 psi | 46% | 2313 fps | 95.9% |
| Vihtavuori N160 | <<locked>> | 92% | 39,044 psi | 61% | 2572 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 41,626 psi | 65% | 2566 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 80% | 35,259 psi | 55% | 2448 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 94% | 40,799 psi | 64% | 2625 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,343 psi | 51% | 2388 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 40,843 psi | 64% | 2608 fps | 99.2% |
| Winchester 760 | <<locked>> | 98% | 48,907 psi | 77% | 2789 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,246 psi | 58% | 2520 fps | 97.2% |
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.
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.