Load Specifications
Bullet Manufacturer:Prvi Partizan
Bullet Weight:182 gr
Bullet Diameter:0.311"
Bullet Length:<<locked>>
Caliber:.300 WSM load data
Case Length (l3):2.09"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:81.3 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:12.5
Load data in caliber .300 WSM with .311 | 182gr | Prvi Partizan FMJ BT bullet and 105 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.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 56,971 psi | 89% | 2671 fps | 100% |
| Accurate 2495 | <<locked>> | 82% | 55,361 psi | 87% | 2710 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,231 psi | 88% | 2756 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 55,912 psi | 88% | 2723 fps | 98.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,021 psi | 74% | 2687 fps | 98.4% |
| Accurate 4064 | <<locked>> | 88% | 56,521 psi | 89% | 2753 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 56,753 psi | 89% | 2851 fps | 100% |
| ADI AR 2206H | <<locked>> | 84% | 56,188 psi | 88% | 2785 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 57,305 psi | 90% | 2789 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 54,563 psi | 86% | 2838 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 82% | 54,984 psi | 86% | 2730 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 56,550 psi | 89% | 2700 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 56,202 psi | 88% | 2907 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 54,201 psi | 85% | 2831 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 57,653 psi | 90% | 2808 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 54,679 psi | 86% | 2782 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 57,595 psi | 90% | 2907 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 55,376 psi | 87% | 2887 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 53,432 psi | 84% | 2822 fps | 97.4% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 47,050 psi | 74% | 2759 fps | 96.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,324 psi | 69% | 2710 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,059 psi | 61% | 2621 fps | 97.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 50,372 psi | 79% | 2890 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 56,014 psi | 88% | 2802 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 54,926 psi | 86% | 2776 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 47,050 psi | 74% | 2759 fps | 96.1% |
| Bofors RP7 | <<locked>> | 92% | 54,752 psi | 86% | 2756 fps | 98.4% |
| Hodgdon Benchmark | <<locked>> | 82% | 56,405 psi | 88% | 2710 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 54,766 psi | 86% | 2762 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 55,521 psi | 87% | 2789 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 92% | 57,232 psi | 90% | 2874 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 96% | 57,537 psi | 90% | 2835 fps | 98.3% |
| Hodgdon H4895 | <<locked>> | 84% | 56,811 psi | 89% | 2792 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 57,667 psi | 90% | 2828 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 56,782 psi | 89% | 2831 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 56,101 psi | 88% | 2890 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,071 psi | 57% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 56,782 psi | 89% | 2779 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 55,927 psi | 88% | 2753 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 55,912 psi | 88% | 2759 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 90% | 55,129 psi | 86% | 2736 fps | 98.8% |
| IMR 4350 | <<locked>> | 96% | 55,143 psi | 86% | 2782 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 92% | 56,217 psi | 88% | 2782 fps | 98.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 54,317 psi | 85% | 2802 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 56,043 psi | 88% | 2808 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 54,984 psi | 86% | 2730 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 56,231 psi | 88% | 2756 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,230 psi | 87% | 2710 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 56,666 psi | 89% | 2762 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 55,999 psi | 88% | 2776 fps | 99.6% |
| Lovex S070 | <<locked>> | 96% | 57,305 psi | 90% | 2818 fps | 99.2% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,117 psi | 61% | 2543 fps | 96.6% |
| Norma 201 | <<locked>> | 84% | 54,868 psi | 86% | 2726 fps | 100% |
| Norma 202 | <<locked>> | 84% | 55,535 psi | 87% | 2726 fps | 100% |
| Norma 203B | <<locked>> | 88% | 57,406 psi | 90% | 2818 fps | 100% |
| Norma 204 | <<locked>> | 96% | 55,956 psi | 88% | 2835 fps | 97.6% |
| Norma MRPᴾ | <<locked>> | 100% | 49,661 psi | 78% | 2841 fps | 98.1% |
| Norma URP | <<locked>> | 96% | 55,666 psi | 87% | 2838 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 54,418 psi | 85% | 2792 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,040 psi | 83% | 2858 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 96% | 54,433 psi | 85% | 2841 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,021 psi | 72% | 2717 fps | 96.3% |
| Ramshot TAC | <<locked>> | 82% | 54,926 psi | 86% | 2753 fps | 99.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,882 psi | 86% | 2769 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,608 psi | 57% | 1736 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 55,724 psi | 87% | 2776 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 55,434 psi | 87% | 2848 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 54,926 psi | 86% | 2877 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 56,507 psi | 89% | 2877 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 55,535 psi | 87% | 2907 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 82% | 55,738 psi | 87% | 2703 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 55,550 psi | 87% | 2730 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 54,781 psi | 86% | 2769 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 56,275 psi | 88% | 2805 fps | 96.6% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 52,431 psi | 82% | 2805 fps | 97.3% |
| Rottweil R 907 | <<locked>> | 92% | 54,752 psi | 86% | 2756 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 94% | 55,999 psi | 88% | 2776 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 84% | 56,231 psi | 88% | 2756 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 56,666 psi | 89% | 2762 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 57,305 psi | 90% | 2818 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 56,608 psi | 89% | 2831 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 57,392 psi | 90% | 2789 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 54,694 psi | 86% | 2759 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 55,927 psi | 88% | 2661 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,565 psi | 89% | 2661 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 56,202 psi | 88% | 2733 fps | 98.9% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 51,938 psi | 81% | 2802 fps | 97.2% |
| Somchem S335 | <<locked>> | 84% | 55,535 psi | 87% | 2661 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 57,014 psi | 89% | 2776 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 54,984 psi | 86% | 2766 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 54,157 psi | 85% | 2841 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 53,171 psi | 83% | 2785 fps | 98.2% |
| Unknown powder | <<locked>> | 94% | 56,608 psi | 89% | 2848 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 86% | 56,014 psi | 88% | 2641 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 55,680 psi | 87% | 2690 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,303 psi | 87% | 2697 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 56,304 psi | 88% | 2743 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 57,000 psi | 89% | 2815 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 54,998 psi | 86% | 2723 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 57,392 psi | 90% | 2864 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,603 psi | 78% | 2789 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 54,201 psi | 85% | 2756 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 57,232 psi | 90% | 2874 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,813 psi | 62% | 2746 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 55,463 psi | 87% | 2808 fps | 97.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 53,693 psi | 84% | 2628 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 52,083 psi | 82% | 2667 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,446 psi | 82% | 2707 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 43,105 psi | 68% | 2513 fps | 95.7% |
| Accurate 3100 | <<locked>> | 92% | 35,926 psi | 56% | 2474 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 44,077 psi | 69% | 2569 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,837 psi | 51% | 2418 fps | 96.4% |
| ADI AR 2206H | <<locked>> | 80% | 49,559 psi | 78% | 2684 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 42,134 psi | 66% | 2539 fps | 99.1% |
| ADI AR 2209 | <<locked>> | 94% | 44,846 psi | 70% | 2667 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,634 psi | 81% | 2684 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 52,881 psi | 83% | 2654 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,701 psi | 72% | 2736 fps | 99.6% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 44,933 psi | 70% | 2671 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,279 psi | 66% | 2566 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,150 psi | 71% | 2628 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,837 psi | 51% | 2431 fps | 96.5% |
| Alliant Reloder-17 | 54.2 gr | 80% | 36,593 psi | 57% | 2549 fps | 99.1% |
| Alliant Reloder-19 | <<locked>> | 94% | 44,367 psi | 70% | 2661 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 98% | 44,063 psi | 69% | 2703 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,948 psi | 42% | 2293 fps | 95.4% |
| Alliant Reloder-25 | <<locked>> | 96% | 34,447 psi | 54% | 2510 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 88% | 32,793 psi | 51% | 2513 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,950 psi | 77% | 2694 fps | 99.7% |
| Bofors RP3 | <<locked>> | 80% | 42,250 psi | 66% | 2572 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 44,063 psi | 69% | 2703 fps | 95.3% |
| Bofors RP7 | <<locked>> | 82% | 40,016 psi | 63% | 2493 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 53,026 psi | 83% | 2664 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,126 psi | 80% | 2710 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,685 psi | 67% | 2575 fps | 98.5% |
| Hodgdon H414 | <<locked>> | 80% | 38,000 psi | 60% | 2533 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 88% | 44,889 psi | 70% | 2625 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 50,053 psi | 78% | 2690 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,197 psi | 47% | 2333 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,340 psi | 73% | 2671 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 41,989 psi | 66% | 2644 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,832 psi | 42% | 1512 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 44,411 psi | 70% | 2582 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 46,137 psi | 72% | 2612 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 41,292 psi | 65% | 2516 fps | 99.1% |
| IMR 4166 Enduron | <<locked>> | 80% | 40,857 psi | 64% | 2487 fps | 95.9% |
| IMR 4350 | <<locked>> | 86% | 40,451 psi | 63% | 2526 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,030 psi | 61% | 2474 fps | 95.2% |
| IMR 4831 | <<locked>> | 82% | 30,777 psi | 48% | 2349 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 46,282 psi | 73% | 2654 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 80% | 51,634 psi | 81% | 2684 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,400 psi | 77% | 2661 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,994 psi | 77% | 2615 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,411 psi | 70% | 2572 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,579 psi | 57% | 2428 fps | 96.1% |
| Lovex S070 | <<locked>> | 82% | 36,985 psi | 58% | 2454 fps | 95% |
| Lovex S071 | <<locked>> | 96% | 34,461 psi | 54% | 2441 fps | 95% |
| Norma 201 | <<locked>> | 80% | 48,588 psi | 76% | 2631 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,110 psi | 77% | 2635 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,498 psi | 70% | 2615 fps | 99.7% |
| Norma 204 | <<locked>> | 90% | 45,730 psi | 72% | 2667 fps | 95.3% |
| Norma MRP | <<locked>> | 94% | 40,596 psi | 64% | 2664 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 32,924 psi | 52% | 2415 fps | 96.2% |
| Ramshot Big Game | <<locked>> | 80% | 44,469 psi | 70% | 2635 fps | 99.7% |
| Ramshot Grand | <<locked>> | 98% | 49,516 psi | 78% | 2795 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 84% | 36,680 psi | 57% | 2513 fps | 95.6% |
| Ramshot Magnum | <<locked>> | 98% | 42,699 psi | 67% | 2651 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 51,430 psi | 81% | 2700 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 51,314 psi | 80% | 2717 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,383 psi | 43% | 1552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,004 psi | 67% | 2562 fps | 97.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,298 psi | 76% | 2736 fps | 99.8% |
| ReloadSwiss RS 60 | 54.2 gr | 80% | 38,928 psi | 61% | 2608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,561 psi | 51% | 2431 fps | 95.8% |
| ReloadSwiss RS 70 | 56.5 gr | 82% | 34,548 psi | 54% | 2493 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 52,591 psi | 82% | 2657 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,122 psi | 72% | 2585 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,610 psi | 62% | 2516 fps | 99.5% |
| Rottweil R 904 | <<locked>> | 96% | 49,705 psi | 78% | 2700 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 94% | 43,062 psi | 67% | 2641 fps | 95% |
| Rottweil R 907 | <<locked>> | 82% | 40,016 psi | 63% | 2493 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,579 psi | 57% | 2428 fps | 96.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,400 psi | 77% | 2661 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,411 psi | 70% | 2572 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,985 psi | 58% | 2454 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,698 psi | 64% | 2569 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,285 psi | 79% | 2684 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,008 psi | 75% | 2654 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,617 psi | 78% | 2572 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,626 psi | 65% | 2448 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 38,101 psi | 60% | 2421 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 45,600 psi | 71% | 2690 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 49,298 psi | 77% | 2575 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,792 psi | 78% | 2671 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,321 psi | 63% | 2523 fps | 99.5% |
| Somchem S365 | <<locked>> | 80% | 29,602 psi | 46% | 2372 fps | 98.4% |
| Somchem S385 | <<locked>> | 92% | 41,031 psi | 64% | 2572 fps | 95.4% |
| Unknown powder | <<locked>> | 80% | 35,752 psi | 56% | 2470 fps | 96.5% |
| Vihtavuori N133 | <<locked>> | 80% | 46,818 psi | 73% | 2516 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,122 psi | 72% | 2556 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,847 psi | 72% | 2562 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,548 psi | 54% | 2379 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 35,839 psi | 56% | 2451 fps | 97.1% |
| Vihtavuori N540 | <<locked>> | 80% | 45,542 psi | 71% | 2585 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,289 psi | 57% | 2487 fps | 97.2% |
| Vihtavuori N555 | <<locked>> | 84% | 29,167 psi | 46% | 2365 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,794 psi | 53% | 2392 fps | 98.6% |
| Winchester 760 | <<locked>> | 80% | 38,000 psi | 60% | 2533 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 88% | 26,963 psi | 42% | 2372 fps | 96% |
| Winchester Supreme 780 | <<locked>> | 94% | 44,947 psi | 70% | 2638 fps | 95.2% |
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 105 powders for .300 WSM loaded with the .311 | 182gr | Prvi Partizan FMJ BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,907 fps; across all powders the maximum-charge window runs from 1,696 fps to 2,907 fps. Accurate 3100 gives the best case fill at 100 %, and 105 of the 105 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 182.0 gr projectile in 0.311" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Power Pro Varmint 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 .300 WSM with the .311 | 182gr | Prvi Partizan FMJ BT 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.