Load Specifications
Load data in caliber .325 WSM with .323 | 160gr | Fox Classic Hunter bullet and 94 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 52 and Hodgdon LEVERevolution.
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>> | 90% | 56,362 psi | 88% | 2923 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 56,826 psi | 89% | 3028 fps | 98.8% |
| Accurate 2460 | <<locked>> | 86% | 55,027 psi | 86% | 2946 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 57,377 psi | 90% | 2982 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 56,898 psi | 89% | 3009 fps | 100% |
| Accurate 4064 | <<locked>> | 98% | 56,797 psi | 89% | 3022 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 45,672 psi | 72% | 2904 fps | 96.5% |
| Accurate LT-30 | <<locked>> | 84% | 56,289 psi | 88% | 2874 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 56,753 psi | 89% | 2897 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 55,680 psi | 87% | 3012 fps | 99.2% |
| ADI AR 2208 | <<locked>> | 98% | 56,594 psi | 89% | 3002 fps | 98.9% |
| ADI AR 2219 | <<locked>> | 84% | 57,435 psi | 90% | 3002 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 54,984 psi | 86% | 2969 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 90% | 54,810 psi | 86% | 2956 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 56,579 psi | 89% | 3081 fps | 99.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 55,332 psi | 87% | 3123 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 55,941 psi | 88% | 3025 fps | 99.7% |
| Alliant Reloder-10x | <<locked>> | 86% | 56,318 psi | 88% | 2933 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 56,826 psi | 89% | 3048 fps | 99% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 45,716 psi | 72% | 2913 fps | 96.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 53,084 psi | 83% | 3081 fps | 99.4% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 55,782 psi | 87% | 2867 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 55,724 psi | 87% | 3025 fps | 98.5% |
| Bofors RP3 | <<locked>> | 98% | 56,318 psi | 88% | 3041 fps | 99.8% |
| Hodgdon Benchmark | <<locked>> | 90% | 57,203 psi | 90% | 2959 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 57,580 psi | 90% | 3051 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 88% | 55,883 psi | 88% | 3094 fps | 99% |
| Hodgdon H322 | <<locked>> | 86% | 55,753 psi | 87% | 2976 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 56,942 psi | 89% | 3002 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 54,404 psi | 85% | 2995 fps | 97.7% |
| Hodgdon H4895 | <<locked>> | 92% | 56,159 psi | 88% | 3025 fps | 99.6% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 41,829 psi | 66% | 2795 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 55,172 psi | 86% | 3054 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,519 psi | 54% | 1818 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 54,273 psi | 85% | 2976 fps | 99.4% |
| IMR 3031 | <<locked>> | 92% | 55,492 psi | 87% | 3018 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 56,231 psi | 88% | 2989 fps | 99% |
| IMR 4166 Enduron | <<locked>> | 94% | 57,014 psi | 89% | 2966 fps | 95.9% |
| IMR 4198 | <<locked>> | 86% | 56,913 psi | 89% | 2897 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 43,816 psi | 69% | 2848 fps | 96.1% |
| IMR 4895 | <<locked>> | 94% | 54,592 psi | 86% | 3028 fps | 99.2% |
| IMR 8208 XBR | <<locked>> | 90% | 54,984 psi | 86% | 2969 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 86% | 55,085 psi | 86% | 2956 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 54,650 psi | 86% | 2989 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 56,014 psi | 88% | 2946 fps | 99.3% |
| Lovex S062 | <<locked>> | 96% | 55,361 psi | 87% | 2986 fps | 99.8% |
| Lovex S065ᴾ | <<locked>> | 100% | 51,140 psi | 80% | 2910 fps | 96.2% |
| Norma 200 | <<locked>> | 82% | 55,999 psi | 88% | 2904 fps | 100% |
| Norma 201 | <<locked>> | 92% | 54,172 psi | 85% | 2956 fps | 99.7% |
| Norma 202 | <<locked>> | 92% | 54,665 psi | 86% | 2966 fps | 100% |
| Norma 203B | <<locked>> | 96% | 55,854 psi | 88% | 3035 fps | 99.3% |
| Norma URPᴾ | <<locked>> | 100% | 45,861 psi | 72% | 2900 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 96% | 56,710 psi | 89% | 3061 fps | 99.3% |
| Ramshot TAC | <<locked>> | 90% | 55,753 psi | 87% | 2979 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 90% | 54,737 psi | 86% | 2999 fps | 99.1% |
| Ramshot X-Terminator | <<locked>> | 88% | 56,536 psi | 89% | 2972 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,708 psi | 54% | 1857 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 54,766 psi | 86% | 2956 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 55,013 psi | 86% | 2972 fps | 96.2% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 57,043 psi | 89% | 3117 fps | 99.1% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 56,782 psi | 89% | 3153 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 45,803 psi | 72% | 2923 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 90% | 55,100 psi | 86% | 2946 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 54,491 psi | 85% | 2949 fps | 99.7% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 55,912 psi | 88% | 3025 fps | 99.6% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 51,140 psi | 80% | 2910 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 92% | 54,650 psi | 86% | 2989 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 55,361 psi | 87% | 2986 fps | 99.8% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 54,781 psi | 86% | 2927 fps | 99.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 56,347 psi | 88% | 2618 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 57,537 psi | 90% | 3005 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 54,534 psi | 85% | 3038 fps | 99.1% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 57,464 psi | 90% | 2959 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 57,479 psi | 90% | 3009 fps | 98% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 54,230 psi | 85% | 2982 fps | 99.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 56,449 psi | 88% | 2907 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 56,130 psi | 88% | 2900 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 56,492 psi | 89% | 3009 fps | 99.9% |
| Somchem S335 | <<locked>> | 92% | 55,448 psi | 87% | 2904 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 56,985 psi | 89% | 3005 fps | 99.3% |
| Somchem S355ᴾ | <<locked>> | 100% | 56,507 psi | 89% | 3025 fps | 99.6% |
| Somchem S365ᴾ | <<locked>> | 100% | 40,814 psi | 64% | 2844 fps | 98.4% |
| Vihtavuori N130 | <<locked>> | 88% | 56,405 psi | 88% | 2881 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 56,434 psi | 88% | 2897 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 57,203 psi | 90% | 2976 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 55,172 psi | 86% | 2943 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 54,766 psi | 86% | 2956 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 48,428 psi | 76% | 2907 fps | 96.9% |
| Vihtavuori N530 | <<locked>> | 90% | 55,535 psi | 87% | 2969 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 96% | 57,145 psi | 90% | 2989 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 47,587 psi | 75% | 2910 fps | 96.5% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 49,850 psi | 78% | 2897 fps | 98.9% |
| Winchester 748 | <<locked>> | 90% | 54,781 psi | 86% | 3015 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 92% | 53,896 psi | 84% | 2989 fps | 99.4% |
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% | 41,147 psi | 64% | 2680 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 52,924 psi | 83% | 2963 fps | 98.2% |
| Accurate 2460 | <<locked>> | 80% | 44,817 psi | 70% | 2782 fps | 99.8% |
| Accurate 2495 | <<locked>> | 80% | 33,141 psi | 52% | 2562 fps | 99.8% |
| Accurate 2520 | <<locked>> | 80% | 39,958 psi | 63% | 2723 fps | 99% |
| Accurate 4064 | <<locked>> | 80% | 31,401 psi | 49% | 2539 fps | 97.8% |
| Accurate 4350 | <<locked>> | 98% | 42,482 psi | 67% | 2841 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 49,821 psi | 78% | 2776 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 50,198 psi | 79% | 2799 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 80% | 37,898 psi | 59% | 2671 fps | 95.6% |
| ADI AR 2208 | <<locked>> | 86% | 38,957 psi | 61% | 2677 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 50,067 psi | 78% | 2890 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,001 psi | 63% | 2697 fps | 97.6% |
| Alliant AR-Comp | <<locked>> | 80% | 38,754 psi | 61% | 2703 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 46,325 psi | 73% | 2900 fps | 98.4% |
| Alliant Power Pro 2000-MR | 59.9 gr | 86% | 41,887 psi | 66% | 2858 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 33,301 psi | 52% | 2582 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 46,702 psi | 73% | 2789 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 38,551 psi | 60% | 2707 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 98% | 43,120 psi | 68% | 2858 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 90% | 37,811 psi | 59% | 2766 fps | 95.9% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 48,834 psi | 77% | 2766 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 42,380 psi | 66% | 2785 fps | 95.7% |
| Bofors RP3 | <<locked>> | 84% | 34,867 psi | 55% | 2635 fps | 95.8% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,076 psi | 66% | 2697 fps | 98.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 38,043 psi | 60% | 2700 fps | 97.7% |
| Hodgdon CFE223 | <<locked>> | 80% | 41,901 psi | 66% | 2838 fps | 96.2% |
| Hodgdon H322 | <<locked>> | 80% | 45,629 psi | 72% | 2815 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 46,282 psi | 73% | 2831 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 90% | 44,382 psi | 70% | 2818 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 38,159 psi | 60% | 2687 fps | 96.3% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 36,840 psi | 58% | 2684 fps | 95.6% |
| Hodgdon LEVERevolution | 54.7 gr | 80% | 34,084 psi | 53% | 2635 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,396 psi | 40% | 1621 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 36,811 psi | 58% | 2638 fps | 95.8% |
| IMR 3031 | <<locked>> | 80% | 37,028 psi | 58% | 2694 fps | 99.8% |
| IMR 4064 | <<locked>> | 84% | 38,464 psi | 60% | 2661 fps | 95.2% |
| IMR 4166 Enduron | <<locked>> | 92% | 53,592 psi | 84% | 2910 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 47,398 psi | 74% | 2759 fps | 100% |
| IMR 4831 | <<locked>> | 98% | 40,901 psi | 64% | 2789 fps | 95.2% |
| IMR 4895 | <<locked>> | 82% | 36,941 psi | 58% | 2680 fps | 95.4% |
| IMR 8208 XBR | <<locked>> | 80% | 40,001 psi | 63% | 2697 fps | 97.6% |
| Lovex D073.5 | <<locked>> | 80% | 44,628 psi | 70% | 2782 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 80% | 35,926 psi | 56% | 2644 fps | 98.1% |
| Lovex S060 | <<locked>> | 80% | 38,551 psi | 60% | 2621 fps | 95.9% |
| Lovex S062 | <<locked>> | 80% | 33,228 psi | 52% | 2549 fps | 95.5% |
| Lovex S065 | <<locked>> | 98% | 48,008 psi | 75% | 2854 fps | 95.4% |
| Norma 200 | <<locked>> | 80% | 52,475 psi | 82% | 2854 fps | 100% |
| Norma 201 | <<locked>> | 80% | 36,883 psi | 58% | 2625 fps | 96.8% |
| Norma 202 | <<locked>> | 80% | 37,072 psi | 58% | 2644 fps | 98.9% |
| Norma 203B | <<locked>> | 84% | 37,855 psi | 59% | 2694 fps | 95.6% |
| Norma URP | <<locked>> | 98% | 42,902 psi | 67% | 2841 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 84% | 37,565 psi | 59% | 2703 fps | 95.2% |
| Ramshot TAC | <<locked>> | 84% | 45,701 psi | 72% | 2802 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 38,856 psi | 61% | 2700 fps | 95.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 43,381 psi | 68% | 2743 fps | 97% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,657 psi | 40% | 1660 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 44,933 psi | 70% | 2792 fps | 99.4% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 51,605 psi | 81% | 2917 fps | 95.4% |
| ReloadSwiss RS 52 | 56.8 gr | 84% | 40,132 psi | 63% | 2808 fps | 95.6% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 30,806 psi | 48% | 2585 fps | 95.4% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 42,627 psi | 67% | 2861 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 40,393 psi | 63% | 2687 fps | 99.2% |
| Rottweil R 902 | <<locked>> | 80% | 35,099 psi | 55% | 2575 fps | 96.2% |
| Rottweil R 903 | <<locked>> | 86% | 34,954 psi | 55% | 2628 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 98% | 48,008 psi | 75% | 2854 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 35,926 psi | 56% | 2644 fps | 98.1% |
| Shooters World Precision | <<locked>> | 80% | 33,228 psi | 52% | 2549 fps | 95.5% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 47,630 psi | 75% | 2808 fps | 98.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 53,679 psi | 84% | 2585 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 50,227 psi | 79% | 2894 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 39,117 psi | 61% | 2746 fps | 95.8% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 47,543 psi | 75% | 2808 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 43,410 psi | 68% | 2766 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 36,492 psi | 57% | 2638 fps | 95% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 38,696 psi | 61% | 2605 fps | 99.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 31,691 psi | 50% | 2457 fps | 98.5% |
| Somchem S321 | <<locked>> | 80% | 42,757 psi | 67% | 2769 fps | 98.4% |
| Somchem S335 | <<locked>> | 80% | 38,116 psi | 60% | 2605 fps | 99.5% |
| Somchem S341 | <<locked>> | 80% | 37,405 psi | 59% | 2648 fps | 95.3% |
| Somchem S355 | <<locked>> | 86% | 36,143 psi | 57% | 2644 fps | 95.6% |
| Somchem S365 | <<locked>> | 94% | 33,504 psi | 53% | 2664 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 44,005 psi | 69% | 2694 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 38,870 psi | 61% | 2612 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,997 psi | 53% | 2575 fps | 99.8% |
| Vihtavuori N140 | <<locked>> | 80% | 35,099 psi | 55% | 2582 fps | 98.8% |
| Vihtavuori N150 | <<locked>> | 84% | 32,198 psi | 50% | 2523 fps | 95.8% |
| Vihtavuori N160 | <<locked>> | 96% | 42,424 psi | 66% | 2792 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 39,726 psi | 62% | 2684 fps | 97.6% |
| Vihtavuori N540 | <<locked>> | 80% | 33,663 psi | 53% | 2559 fps | 98% |
| Vihtavuori N550 | <<locked>> | 98% | 44,382 psi | 70% | 2848 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 35,549 psi | 56% | 2605 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 38,783 psi | 61% | 2726 fps | 98.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 35,549 psi | 56% | 2631 fps | 95.5% |
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.
This overview compares 94 powders for .325 WSM loaded with the .323 | 160gr | Fox Classic Hunter. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,153 fps; across all powders the maximum-charge window runs from 1,818 fps to 3,153 fps. Accurate 4350 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.323" calls for a 1:13.0 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 52, Hodgdon LEVERevolution rank at the top here: for .325 WSM with the .323 | 160gr | Fox Classic Hunter 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.