Load Specifications
Bullet Manufacturer:Alaska Bullet Works
Bullet Weight:200 gr
Bullet Diameter:0.308"
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 .308 | 200gr | Alaska Bullet Works Kodiak PP SPBC bullet and 103 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 2495 | <<locked>> | 84% | 56,594 psi | 89% | 2572 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 55,405 psi | 87% | 2602 fps | 99% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,198 psi | 80% | 2635 fps | 99.6% |
| Accurate 4064 | <<locked>> | 86% | 56,724 psi | 89% | 2621 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 57,232 psi | 90% | 2730 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 56,028 psi | 88% | 2651 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 56,855 psi | 89% | 2654 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 54,752 psi | 86% | 2723 fps | 98.4% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,330 psi | 82% | 2713 fps | 96.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,057 psi | 88% | 2776 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 57,740 psi | 90% | 2677 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,418 psi | 85% | 2651 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,491 psi | 85% | 2733 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,622 psi | 87% | 2756 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 57,421 psi | 90% | 2762 fps | 98.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,908 psi | 80% | 2710 fps | 98.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,037 psi | 75% | 2651 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,858 psi | 66% | 2579 fps | 99% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,955 psi | 86% | 2835 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,869 psi | 88% | 2674 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,717 psi | 73% | 2638 fps | 97.1% |
| Bofors RP3 | <<locked>> | 86% | 54,926 psi | 86% | 2648 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,908 psi | 80% | 2710 fps | 98.1% |
| Bofors RP7 | <<locked>> | 90% | 54,447 psi | 85% | 2635 fps | 99% |
| Hodgdon H380 | <<locked>> | 86% | 55,376 psi | 87% | 2664 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 57,334 psi | 90% | 2749 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 94% | 57,522 psi | 90% | 2713 fps | 99% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 54,955 psi | 86% | 2700 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 82% | 56,637 psi | 89% | 2661 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,578 psi | 86% | 2657 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 56,869 psi | 89% | 2697 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 56,115 psi | 88% | 2772 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,419 psi | 57% | 1621 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 56,521 psi | 89% | 2648 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 55,811 psi | 87% | 2615 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 55,927 psi | 88% | 2631 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 54,824 psi | 86% | 2612 fps | 99.4% |
| IMR 4350 | <<locked>> | 94% | 55,158 psi | 86% | 2664 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,188 psi | 88% | 2661 fps | 99.4% |
| IMR 4831 | <<locked>> | 98% | 54,752 psi | 86% | 2680 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,854 psi | 88% | 2674 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 57,624 psi | 90% | 2703 fps | 97.3% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,534 psi | 84% | 2746 fps | 97.2% |
| Lovex D073.6 | <<locked>> | 82% | 56,405 psi | 88% | 2628 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,723 psi | 86% | 2579 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 56,608 psi | 89% | 2631 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,159 psi | 88% | 2657 fps | 99.9% |
| Lovex S070 | <<locked>> | 94% | 57,363 psi | 90% | 2697 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,511 psi | 67% | 2493 fps | 98.4% |
| Norma 201 | <<locked>> | 82% | 54,607 psi | 86% | 2595 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,288 psi | 87% | 2592 fps | 100% |
| Norma 203B | <<locked>> | 86% | 57,232 psi | 90% | 2684 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,898 psi | 88% | 2717 fps | 98.4% |
| Norma MRPᴾ | <<locked>> | 100% | 53,998 psi | 85% | 2792 fps | 99.5% |
| Norma URP | <<locked>> | 94% | 55,941 psi | 88% | 2717 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,273 psi | 85% | 2664 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 57,261 psi | 90% | 2812 fps | 98.1% |
| Ramshot Hunter | <<locked>> | 94% | 54,636 psi | 86% | 2720 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 49,806 psi | 78% | 2674 fps | 98.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,028 psi | 58% | 1660 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,303 psi | 87% | 2648 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,477 psi | 87% | 2717 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,332 psi | 87% | 2749 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 57,014 psi | 89% | 2753 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,738 psi | 87% | 2782 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 40,625 psi | 64% | 2592 fps | 97% |
| Rottweil R 902 | <<locked>> | 84% | 55,274 psi | 87% | 2595 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 55,085 psi | 86% | 2644 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,376 psi | 88% | 2690 fps | 97.7% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 56,608 psi | 89% | 2749 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 90% | 54,447 psi | 85% | 2635 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,159 psi | 88% | 2657 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,405 psi | 88% | 2628 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 56,608 psi | 89% | 2631 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 57,363 psi | 90% | 2697 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,492 psi | 89% | 2700 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 57,159 psi | 90% | 2661 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,389 psi | 85% | 2628 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,535 psi | 87% | 2530 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,202 psi | 88% | 2533 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,956 psi | 88% | 2612 fps | 99.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,101 psi | 88% | 2743 fps | 98.8% |
| Somchem S335 | <<locked>> | 82% | 55,143 psi | 86% | 2526 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 56,898 psi | 89% | 2644 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 55,114 psi | 86% | 2638 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 54,505 psi | 85% | 2635 fps | 96.5% |
| Somchem S365 | <<locked>> | 96% | 54,955 psi | 86% | 2717 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 57,334 psi | 90% | 2726 fps | 99.3% |
| Unknown powder | <<locked>> | 92% | 56,797 psi | 89% | 2720 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 55,680 psi | 87% | 2510 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,550 psi | 87% | 2556 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,100 psi | 86% | 2566 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 56,405 psi | 88% | 2618 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 57,261 psi | 90% | 2694 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 47,790 psi | 75% | 2572 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 84% | 54,665 psi | 86% | 2592 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 57,392 psi | 90% | 2736 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,722 psi | 84% | 2720 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 51,285 psi | 80% | 2733 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,027 psi | 85% | 2631 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 57,334 psi | 90% | 2749 fps | 99.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,323 psi | 68% | 2703 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 55,680 psi | 87% | 2694 fps | 98.5% |
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 2495 | <<locked>> | 80% | 49,864 psi | 78% | 2487 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 42,859 psi | 67% | 2402 fps | 96.8% |
| Accurate 3100 | <<locked>> | 86% | 31,850 psi | 50% | 2277 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 47,210 psi | 74% | 2493 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,650 psi | 56% | 2372 fps | 98.2% |
| ADI AR 2206H | <<locked>> | 80% | 52,576 psi | 82% | 2605 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,686 psi | 70% | 2470 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 42,308 psi | 66% | 2510 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 96% | 45,803 psi | 72% | 2598 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,820 psi | 77% | 2664 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,889 psi | 70% | 2490 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,138 psi | 75% | 2556 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,925 psi | 55% | 2379 fps | 98.3% |
| Alliant Reloder-17 | 53.7 gr | 80% | 39,450 psi | 62% | 2497 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 41,814 psi | 66% | 2503 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 92% | 39,131 psi | 61% | 2493 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,628 psi | 40% | 2159 fps | 96.1% |
| Alliant Reloder-25 | <<locked>> | 90% | 30,821 psi | 48% | 2316 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 82% | 28,935 psi | 45% | 2306 fps | 95.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 52,243 psi | 82% | 2621 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 41,191 psi | 65% | 2536 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 45,063 psi | 71% | 2500 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 39,131 psi | 61% | 2493 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 39,900 psi | 63% | 2382 fps | 96.2% |
| Hodgdon H380 | <<locked>> | 80% | 45,585 psi | 71% | 2513 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 80% | 40,756 psi | 64% | 2477 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 82% | 39,769 psi | 62% | 2415 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 96% | 48,066 psi | 75% | 2592 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 53,127 psi | 83% | 2612 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,489 psi | 51% | 2283 fps | 98.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,818 psi | 73% | 2556 fps | 100% |
| Hodgdon Superformance | <<locked>> | 80% | 36,463 psi | 57% | 2418 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 42% | 1444 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,094 psi | 74% | 2510 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,240 psi | 77% | 2526 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,787 psi | 69% | 2444 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 43,163 psi | 68% | 2421 fps | 97.6% |
| IMR 4350 | <<locked>> | 82% | 38,058 psi | 60% | 2369 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,408 psi | 65% | 2415 fps | 97.1% |
| IMR 4831 | <<locked>> | 80% | 31,212 psi | 49% | 2254 fps | 96.9% |
| IMR 4895 | <<locked>> | 80% | 49,327 psi | 77% | 2582 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 47,877 psi | 75% | 2552 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 96% | 46,847 psi | 73% | 2635 fps | 95.5% |
| Lovex D073.6 | <<locked>> | 80% | 52,576 psi | 82% | 2579 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,634 psi | 81% | 2533 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,152 psi | 74% | 2497 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,972 psi | 61% | 2369 fps | 97.8% |
| Lovex S070 | <<locked>> | 80% | 37,072 psi | 58% | 2349 fps | 96.2% |
| Lovex S071 | <<locked>> | 92% | 33,054 psi | 52% | 2303 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 51,474 psi | 81% | 2552 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,851 psi | 81% | 2546 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,485 psi | 74% | 2543 fps | 100% |
| Norma 204 | <<locked>> | 86% | 42,699 psi | 67% | 2500 fps | 95.7% |
| Norma MRP | <<locked>> | 88% | 35,781 psi | 56% | 2451 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 35,520 psi | 56% | 2365 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 80% | 47,471 psi | 74% | 2562 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 45,977 psi | 72% | 2628 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 34,534 psi | 54% | 2356 fps | 96.1% |
| Ramshot Magnum | <<locked>> | 94% | 39,755 psi | 62% | 2493 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,659 psi | 43% | 1480 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,556 psi | 71% | 2497 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,895 psi | 81% | 2664 fps | 100% |
| ReloadSwiss RS 60 | 53.7 gr | 80% | 41,916 psi | 66% | 2546 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,230 psi | 55% | 2385 fps | 97.9% |
| ReloadSwiss RS 70 | 54.5 gr | 80% | 34,461 psi | 54% | 2392 fps | 97.2% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,116 psi | 60% | 2533 fps | 96% |
| Rottweil R 902 | <<locked>> | 80% | 48,892 psi | 77% | 2507 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,511 psi | 67% | 2454 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 46,601 psi | 73% | 2539 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 90% | 40,654 psi | 64% | 2484 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 39,900 psi | 63% | 2382 fps | 96.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,972 psi | 61% | 2369 fps | 97.8% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,576 psi | 82% | 2579 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,152 psi | 74% | 2497 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,072 psi | 58% | 2349 fps | 96.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,642 psi | 68% | 2507 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 53,345 psi | 84% | 2608 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 51,068 psi | 80% | 2579 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,286 psi | 82% | 2487 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,077 psi | 69% | 2369 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,072 psi | 60% | 2316 fps | 96.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 40,263 psi | 63% | 2477 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 52,069 psi | 82% | 2487 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 53,156 psi | 83% | 2595 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,033 psi | 67% | 2454 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 47,863 psi | 75% | 2533 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 32,039 psi | 50% | 2326 fps | 99.6% |
| Somchem S385 | <<locked>> | 86% | 36,347 psi | 57% | 2369 fps | 95% |
| Unknown powder | <<locked>> | 80% | 38,421 psi | 60% | 2418 fps | 98.3% |
| Vihtavuori N133 | <<locked>> | 80% | 49,400 psi | 77% | 2428 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,139 psi | 77% | 2474 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,718 psi | 76% | 2480 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,883 psi | 58% | 2316 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,377 psi | 60% | 2392 fps | 98.7% |
| Vihtavuori N165 | <<locked>> | 94% | 39,363 psi | 62% | 2421 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 80% | 48,182 psi | 76% | 2503 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,015 psi | 61% | 2434 fps | 98.7% |
| Vihtavuori N555 | <<locked>> | 80% | 27,934 psi | 44% | 2228 fps | 96.2% |
| Vihtavuori N560 | <<locked>> | 98% | 48,022 psi | 75% | 2677 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,172 psi | 57% | 2343 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 40,756 psi | 64% | 2477 fps | 97.2% |
| Winchester StaBALL HD | <<locked>> | 82% | 24,047 psi | 38% | 2178 fps | 95.5% |
| Winchester Supreme 780 | <<locked>> | 90% | 41,887 psi | 66% | 2474 fps | 95.6% |
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 103 powders for .300 WSM loaded with the .308 | 200gr | Alaska Bullet Works Kodiak PP SPBC. Alliant Reloder-26 delivers the highest muzzle velocity at 2,835 fps; across all powders the maximum-charge window runs from 1,621 fps to 2,835 fps. Accurate 3100 gives the best case fill at 100 %, and 103 of the 103 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 200.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-19 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 .308 | 200gr | Alaska Bullet Works Kodiak PP SPBC 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.