Load Specifications
Bullet Manufacturer:Sellier & Bellot
Bullet Weight:180 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:1:13.0
Load data in caliber .300 WSM with .311 | 180gr | Sellier & Bellot FMJ bullet and 107 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, ReloadSwiss RS 70 and Alliant Reloder-16.
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% | 57,334 psi | 90% | 2697 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 57,043 psi | 89% | 2730 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,666 psi | 89% | 2782 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 56,347 psi | 88% | 2753 fps | 98.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,630 psi | 75% | 2717 fps | 98.5% |
| Accurate 4064 | <<locked>> | 88% | 57,261 psi | 90% | 2782 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 57,595 psi | 90% | 2884 fps | 100% |
| ADI AR 2206H | <<locked>> | 84% | 56,652 psi | 89% | 2812 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 57,682 psi | 90% | 2815 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 55,143 psi | 86% | 2867 fps | 97.5% |
| ADI Benchmark 8208 | <<locked>> | 82% | 55,448 psi | 87% | 2759 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 56,942 psi | 89% | 2726 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 56,811 psi | 89% | 2940 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 54,853 psi | 86% | 2861 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 54,752 psi | 86% | 2789 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 55,056 psi | 86% | 2808 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 54,781 psi | 86% | 2887 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 55,840 psi | 88% | 2913 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 54,027 psi | 85% | 2854 fps | 97.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 47,805 psi | 75% | 2795 fps | 96.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,933 psi | 70% | 2743 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,494 psi | 62% | 2651 fps | 97.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 51,097 psi | 80% | 2923 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 56,521 psi | 89% | 2831 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 55,564 psi | 87% | 2808 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 47,805 psi | 75% | 2795 fps | 96.3% |
| Bofors RP7 | <<locked>> | 92% | 55,245 psi | 87% | 2785 fps | 98.4% |
| Hodgdon Benchmark | <<locked>> | 82% | 56,898 psi | 89% | 2740 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 55,114 psi | 86% | 2789 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 56,115 psi | 88% | 2822 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 90% | 54,099 psi | 85% | 2848 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 94% | 54,520 psi | 85% | 2812 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 84% | 57,246 psi | 90% | 2822 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 54,752 psi | 86% | 2808 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 57,421 psi | 90% | 2861 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 56,565 psi | 89% | 2920 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,085 psi | 57% | 1716 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 57,188 psi | 90% | 2805 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 56,260 psi | 88% | 2779 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 56,579 psi | 89% | 2789 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 90% | 55,477 psi | 87% | 2766 fps | 98.9% |
| IMR 4350 | <<locked>> | 96% | 55,825 psi | 87% | 2815 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 92% | 56,724 psi | 89% | 2812 fps | 99% |
| IMR 4831ᴾ | <<locked>> | 100% | 54,810 psi | 86% | 2831 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 56,478 psi | 89% | 2838 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 54,810 psi | 86% | 2795 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 82% | 55,448 psi | 87% | 2759 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 56,913 psi | 89% | 2785 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,695 psi | 87% | 2740 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 57,392 psi | 90% | 2795 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 56,492 psi | 89% | 2805 fps | 99.7% |
| Lovex S070 | <<locked>> | 96% | 57,711 psi | 90% | 2844 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,740 psi | 62% | 2572 fps | 96.8% |
| Norma 201 | <<locked>> | 84% | 55,361 psi | 87% | 2756 fps | 100% |
| Norma 202 | <<locked>> | 84% | 56,028 psi | 88% | 2753 fps | 100% |
| Norma 203B | <<locked>> | 86% | 54,317 psi | 85% | 2795 fps | 100% |
| Norma 204 | <<locked>> | 96% | 56,594 psi | 89% | 2867 fps | 97.7% |
| Norma MRPᴾ | <<locked>> | 100% | 50,386 psi | 79% | 2877 fps | 98.3% |
| Norma URP | <<locked>> | 96% | 56,130 psi | 88% | 2867 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 54,955 psi | 86% | 2822 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 53,708 psi | 84% | 2890 fps | 96.3% |
| Ramshot Hunter | <<locked>> | 96% | 55,071 psi | 86% | 2871 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,557 psi | 73% | 2746 fps | 96.5% |
| Ramshot TAC | <<locked>> | 82% | 55,492 psi | 87% | 2785 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 55,506 psi | 87% | 2802 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,608 psi | 57% | 1755 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 56,275 psi | 88% | 2805 fps | 99.3% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 55,854 psi | 88% | 2874 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 55,695 psi | 87% | 2910 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 57,232 psi | 90% | 2907 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 56,072 psi | 88% | 2936 fps | 100% |
| Rottweil R 901 | <<locked>> | 82% | 56,347 psi | 88% | 2733 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 56,014 psi | 88% | 2756 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 55,419 psi | 87% | 2799 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 56,898 psi | 89% | 2838 fps | 96.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 53,040 psi | 83% | 2838 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 92% | 55,245 psi | 87% | 2785 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 94% | 56,492 psi | 89% | 2805 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 84% | 56,913 psi | 89% | 2785 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 57,392 psi | 90% | 2795 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 57,711 psi | 90% | 2844 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 57,145 psi | 90% | 2858 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 54,201 psi | 85% | 2766 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 55,027 psi | 86% | 2785 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 56,463 psi | 88% | 2690 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,971 psi | 89% | 2690 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 56,637 psi | 89% | 2762 fps | 99% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 52,591 psi | 82% | 2831 fps | 97.4% |
| Somchem S335 | <<locked>> | 84% | 56,014 psi | 88% | 2687 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 57,595 psi | 90% | 2805 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 55,622 psi | 87% | 2795 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 54,955 psi | 86% | 2871 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 53,998 psi | 85% | 2818 fps | 98.3% |
| Unknown powder | <<locked>> | 94% | 57,116 psi | 90% | 2877 fps | 99.9% |
| Vihtavuori N133 | <<locked>> | 86% | 56,275 psi | 88% | 2667 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 55,941 psi | 88% | 2713 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,753 psi | 87% | 2723 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 56,884 psi | 89% | 2772 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 53,925 psi | 85% | 2792 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 44,759 psi | 70% | 2651 fps | 96% |
| Vihtavuori N540 | <<locked>> | 86% | 55,376 psi | 87% | 2749 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 54,346 psi | 85% | 2841 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 50,038 psi | 78% | 2815 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 54,752 psi | 86% | 2785 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 54,099 psi | 85% | 2848 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 40,451 psi | 63% | 2779 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 56,217 psi | 88% | 2841 fps | 97.7% |
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% | 54,070 psi | 85% | 2654 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,949 psi | 74% | 2592 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,953 psi | 83% | 2733 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 40,828 psi | 64% | 2487 fps | 95% |
| Accurate 3100 | <<locked>> | 92% | 36,419 psi | 57% | 2503 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 44,425 psi | 70% | 2595 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,301 psi | 52% | 2444 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 80% | 50,067 psi | 78% | 2713 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 42,424 psi | 66% | 2566 fps | 99.2% |
| ADI AR 2209 | <<locked>> | 94% | 45,513 psi | 71% | 2700 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,127 psi | 82% | 2713 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 53,548 psi | 84% | 2684 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,093 psi | 72% | 2762 fps | 99.7% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 45,295 psi | 71% | 2697 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,598 psi | 67% | 2592 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,629 psi | 72% | 2657 fps | 99.6% |
| Alliant Reloder-16 | 51.3 gr | 80% | 33,069 psi | 52% | 2457 fps | 96.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 36,956 psi | 58% | 2575 fps | 99.2% |
| Alliant Reloder-19 | <<locked>> | 94% | 44,788 psi | 70% | 2690 fps | 95.3% |
| Alliant Reloder-22 | <<locked>> | 98% | 44,599 psi | 70% | 2736 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 84% | 27,253 psi | 43% | 2320 fps | 95.5% |
| Alliant Reloder-25 | <<locked>> | 96% | 34,911 psi | 55% | 2539 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 88% | 33,315 psi | 52% | 2546 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,559 psi | 78% | 2723 fps | 99.7% |
| Bofors RP3 | <<locked>> | 80% | 42,511 psi | 67% | 2598 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 44,599 psi | 70% | 2736 fps | 95.5% |
| Bofors RP7 | <<locked>> | 82% | 40,437 psi | 63% | 2523 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 53,563 psi | 84% | 2690 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,547 psi | 81% | 2736 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,134 psi | 68% | 2605 fps | 98.6% |
| Hodgdon H414 | <<locked>> | 80% | 38,406 psi | 60% | 2559 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 86% | 42,699 psi | 67% | 2605 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 50,575 psi | 79% | 2720 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,632 psi | 48% | 2359 fps | 97.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 44,106 psi | 69% | 2654 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 39,610 psi | 62% | 2612 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,803 psi | 42% | 1529 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 44,918 psi | 70% | 2615 fps | 99.9% |
| IMR 3031 | <<locked>> | 80% | 46,572 psi | 73% | 2638 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 41,843 psi | 66% | 2546 fps | 99.2% |
| IMR 4166 Enduron | <<locked>> | 80% | 41,162 psi | 65% | 2510 fps | 96% |
| IMR 4350 | <<locked>> | 86% | 40,799 psi | 64% | 2552 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,276 psi | 62% | 2497 fps | 95.3% |
| IMR 4831 | <<locked>> | 82% | 31,198 psi | 49% | 2379 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 46,789 psi | 73% | 2684 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 98% | 51,532 psi | 81% | 2746 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 52,127 psi | 82% | 2713 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,893 psi | 78% | 2687 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,255 psi | 77% | 2641 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,686 psi | 70% | 2598 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,825 psi | 58% | 2451 fps | 96.2% |
| Lovex S070 | <<locked>> | 82% | 37,376 psi | 59% | 2484 fps | 95.1% |
| Lovex S071 | <<locked>> | 96% | 34,925 psi | 55% | 2470 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 48,878 psi | 77% | 2657 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,400 psi | 77% | 2661 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,005 psi | 71% | 2644 fps | 99.8% |
| Norma 204 | <<locked>> | 90% | 46,137 psi | 72% | 2694 fps | 95.4% |
| Norma MRP | <<locked>> | 92% | 38,421 psi | 60% | 2635 fps | 95% |
| Norma URP | <<locked>> | 80% | 33,388 psi | 52% | 2444 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 80% | 44,860 psi | 70% | 2661 fps | 99.7% |
| Ramshot Grand | <<locked>> | 98% | 49,937 psi | 78% | 2825 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 84% | 36,985 psi | 58% | 2536 fps | 95.7% |
| Ramshot Magnum | <<locked>> | 98% | 43,294 psi | 68% | 2684 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 52,040 psi | 82% | 2730 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 51,967 psi | 81% | 2749 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,354 psi | 43% | 1568 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,381 psi | 68% | 2589 fps | 97.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,805 psi | 76% | 2766 fps | 99.8% |
| ReloadSwiss RS 60 | 55.2 gr | 80% | 39,305 psi | 62% | 2638 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,909 psi | 52% | 2461 fps | 96% |
| ReloadSwiss RS 70 | 57.5 gr | 82% | 34,780 psi | 55% | 2516 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 52,924 psi | 83% | 2687 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,673 psi | 73% | 2615 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,118 psi | 63% | 2546 fps | 99.6% |
| Rottweil R 904 | <<locked>> | 96% | 50,125 psi | 79% | 2730 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 94% | 43,540 psi | 68% | 2671 fps | 95.2% |
| Rottweil R 907 | <<locked>> | 82% | 40,437 psi | 63% | 2523 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,825 psi | 58% | 2451 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,893 psi | 78% | 2687 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,686 psi | 70% | 2598 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 37,376 psi | 59% | 2484 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,104 psi | 64% | 2595 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,647 psi | 79% | 2710 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,443 psi | 76% | 2684 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,937 psi | 78% | 2598 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,974 psi | 66% | 2474 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 38,493 psi | 60% | 2448 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 43,120 psi | 68% | 2664 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 49,588 psi | 78% | 2598 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 50,444 psi | 79% | 2700 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,625 psi | 64% | 2546 fps | 99.5% |
| Somchem S365 | <<locked>> | 80% | 30,023 psi | 47% | 2402 fps | 98.5% |
| Somchem S385 | <<locked>> | 92% | 41,437 psi | 65% | 2602 fps | 95.5% |
| Unknown powder | <<locked>> | 80% | 36,172 psi | 57% | 2500 fps | 96.6% |
| Vihtavuori N133 | <<locked>> | 80% | 47,239 psi | 74% | 2543 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,528 psi | 73% | 2582 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,151 psi | 72% | 2585 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,838 psi | 55% | 2402 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 36,216 psi | 57% | 2474 fps | 97.2% |
| Vihtavuori N165 | <<locked>> | 98% | 41,974 psi | 66% | 2598 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 45,774 psi | 72% | 2608 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,651 psi | 57% | 2516 fps | 97.3% |
| Vihtavuori N555 | <<locked>> | 84% | 29,544 psi | 46% | 2392 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,214 psi | 54% | 2421 fps | 98.7% |
| Winchester 760 | <<locked>> | 80% | 38,406 psi | 60% | 2559 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 88% | 27,282 psi | 43% | 2402 fps | 96.3% |
| Winchester Supreme 780 | <<locked>> | 94% | 45,484 psi | 71% | 2667 fps | 95.4% |
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 107 powders for .300 WSM loaded with the .311 | 180gr | Sellier & Bellot FMJ. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,940 fps; across all powders the maximum-charge window runs from 1,716 fps to 2,940 fps. Accurate 3100 gives the best case fill at 100 %, and 107 of the 107 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 180.0 gr projectile in 0.311" calls for a 1:13.0 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 60, ReloadSwiss RS 70, Alliant Reloder-16 rank at the top here: for .300 WSM with the .311 | 180gr | Sellier & Bellot FMJ 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.