Load Specifications
Bullet Manufacturer:Rhino Bullets
Bullet Weight:200 gr
Bullet Diameter:0.31"
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 .310 | 200gr | Rhino Solid Shank 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-26 and Hodgdon Superformance.
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% | 57,188 psi | 90% | 2582 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 55,985 psi | 88% | 2615 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,793 psi | 81% | 2648 fps | 99.6% |
| Accurate 4064 | <<locked>> | 86% | 57,580 psi | 90% | 2638 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 54,462 psi | 85% | 2697 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 56,521 psi | 89% | 2664 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 57,580 psi | 90% | 2667 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 55,303 psi | 87% | 2736 fps | 98.5% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,823 psi | 83% | 2726 fps | 97% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,869 psi | 89% | 2789 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 55,201 psi | 87% | 2730 fps | 98.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,955 psi | 86% | 2644 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 55,201 psi | 87% | 2664 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 55,216 psi | 87% | 2746 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 56,347 psi | 88% | 2769 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 54,418 psi | 85% | 2723 fps | 98.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,503 psi | 81% | 2723 fps | 98.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,631 psi | 76% | 2664 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,569 psi | 67% | 2595 fps | 99.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 55,840 psi | 88% | 2851 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 56,318 psi | 88% | 2684 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 47,239 psi | 74% | 2654 fps | 97.3% |
| Bofors RP3 | <<locked>> | 86% | 55,695 psi | 87% | 2661 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,503 psi | 81% | 2723 fps | 98.2% |
| Bofors RP7 | <<locked>> | 90% | 55,100 psi | 86% | 2648 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 86% | 56,115 psi | 88% | 2677 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 54,085 psi | 85% | 2710 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 92% | 54,926 psi | 86% | 2684 fps | 98.7% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 55,448 psi | 87% | 2710 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 82% | 57,174 psi | 90% | 2671 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 55,303 psi | 87% | 2671 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 57,609 psi | 90% | 2713 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 41,684 psi | 65% | 2621 fps | 96.4% |
| Hodgdon Superformance | <<locked>> | 92% | 56,753 psi | 89% | 2782 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,347 psi | 57% | 1624 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 57,305 psi | 90% | 2661 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 56,463 psi | 88% | 2628 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 56,449 psi | 88% | 2644 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 55,216 psi | 87% | 2625 fps | 99.4% |
| IMR 4350 | <<locked>> | 94% | 55,767 psi | 87% | 2677 fps | 99.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,811 psi | 89% | 2674 fps | 99.5% |
| IMR 4831 | <<locked>> | 98% | 55,434 psi | 87% | 2694 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 56,623 psi | 89% | 2690 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,868 psi | 86% | 2667 fps | 96.9% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 54,360 psi | 85% | 2766 fps | 97.4% |
| Lovex D073.6 | <<locked>> | 82% | 56,956 psi | 89% | 2638 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 55,216 psi | 87% | 2589 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 57,392 psi | 90% | 2644 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,782 psi | 89% | 2671 fps | 100% |
| Lovex S070 | <<locked>> | 92% | 54,505 psi | 85% | 2661 fps | 99.5% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,163 psi | 68% | 2510 fps | 98.6% |
| Norma 201 | <<locked>> | 82% | 55,143 psi | 86% | 2608 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,825 psi | 87% | 2602 fps | 100% |
| Norma 203B | <<locked>> | 84% | 54,462 psi | 85% | 2651 fps | 100% |
| Norma 204 | <<locked>> | 94% | 56,507 psi | 89% | 2730 fps | 98.6% |
| Norma MRPᴾ | <<locked>> | 100% | 54,578 psi | 86% | 2805 fps | 99.5% |
| Norma URP | <<locked>> | 94% | 56,652 psi | 89% | 2730 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,955 psi | 86% | 2677 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 54,157 psi | 85% | 2772 fps | 97.7% |
| Ramshot Hunter | <<locked>> | 94% | 55,288 psi | 87% | 2733 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,473 psi | 79% | 2690 fps | 98.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,956 psi | 58% | 1663 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,999 psi | 88% | 2664 fps | 99.8% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 56,028 psi | 88% | 2726 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,796 psi | 87% | 2759 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 54,027 psi | 85% | 2717 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 56,304 psi | 88% | 2795 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,437 psi | 65% | 2615 fps | 97.4% |
| Rottweil R 902 | <<locked>> | 84% | 55,782 psi | 87% | 2608 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 55,564 psi | 87% | 2654 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,971 psi | 89% | 2703 fps | 97.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 57,276 psi | 90% | 2762 fps | 99% |
| Rottweil R 907 | <<locked>> | 90% | 55,100 psi | 86% | 2648 fps | 99.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,782 psi | 89% | 2671 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,956 psi | 89% | 2638 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 57,392 psi | 90% | 2644 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 54,505 psi | 85% | 2661 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 57,159 psi | 90% | 2710 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 57,580 psi | 90% | 2671 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,853 psi | 86% | 2638 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 56,101 psi | 88% | 2539 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,956 psi | 89% | 2543 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 56,550 psi | 89% | 2625 fps | 99.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,782 psi | 89% | 2756 fps | 98.9% |
| Somchem S335 | <<locked>> | 82% | 55,651 psi | 87% | 2539 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 57,290 psi | 90% | 2654 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 55,622 psi | 87% | 2648 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 55,259 psi | 87% | 2651 fps | 96.7% |
| Somchem S365 | <<locked>> | 96% | 55,724 psi | 87% | 2730 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 54,273 psi | 85% | 2687 fps | 99.1% |
| Unknown powder | <<locked>> | 92% | 57,508 psi | 90% | 2736 fps | 100% |
| Vihtavuori N133 | <<locked>> | 84% | 56,275 psi | 88% | 2520 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 56,144 psi | 88% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,651 psi | 87% | 2575 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 57,145 psi | 90% | 2631 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 54,302 psi | 85% | 2657 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,312 psi | 76% | 2585 fps | 97.9% |
| Vihtavuori N540 | <<locked>> | 84% | 55,405 psi | 87% | 2605 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 54,520 psi | 85% | 2700 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 54,679 psi | 86% | 2736 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 51,808 psi | 81% | 2746 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,810 psi | 86% | 2644 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 54,085 psi | 85% | 2710 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,801 psi | 69% | 2717 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,521 psi | 89% | 2710 fps | 98.6% |
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% | 50,415 psi | 79% | 2497 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 43,236 psi | 68% | 2411 fps | 96.9% |
| Accurate 3100 | <<locked>> | 86% | 32,430 psi | 51% | 2293 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 47,776 psi | 75% | 2503 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,143 psi | 57% | 2385 fps | 98.4% |
| ADI AR 2206H | <<locked>> | 80% | 53,098 psi | 83% | 2615 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 45,179 psi | 71% | 2484 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 40,176 psi | 63% | 2470 fps | 95% |
| ADI AR 2213 | <<locked>> | 96% | 46,325 psi | 73% | 2615 fps | 95.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 49,603 psi | 78% | 2684 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 40,219 psi | 63% | 2474 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,411 psi | 71% | 2503 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,646 psi | 76% | 2569 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,331 psi | 55% | 2392 fps | 98.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,871 psi | 62% | 2510 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 39,769 psi | 62% | 2464 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 92% | 39,668 psi | 62% | 2510 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,962 psi | 41% | 2172 fps | 96.3% |
| Alliant Reloder-25 | <<locked>> | 90% | 31,096 psi | 49% | 2326 fps | 95.3% |
| Alliant Reloder-26 | 57.1 gr | 82% | 29,428 psi | 46% | 2323 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 52,707 psi | 83% | 2631 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 41,771 psi | 65% | 2549 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 45,600 psi | 71% | 2513 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 39,668 psi | 62% | 2510 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 40,350 psi | 63% | 2398 fps | 96.4% |
| Hodgdon H380 | <<locked>> | 80% | 46,093 psi | 72% | 2523 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 80% | 41,394 psi | 65% | 2493 fps | 97.4% |
| Hodgdon H4350 | <<locked>> | 82% | 40,205 psi | 63% | 2428 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 96% | 48,631 psi | 76% | 2605 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 53,693 psi | 84% | 2625 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,924 psi | 52% | 2297 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,311 psi | 74% | 2566 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 39,117 psi | 61% | 2562 fps | 95.3% |
| Hodgdon Superformance | 57.4 gr | 80% | 36,970 psi | 58% | 2431 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,079 psi | 42% | 1447 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,587 psi | 75% | 2520 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,908 psi | 78% | 2539 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,309 psi | 69% | 2457 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 43,613 psi | 68% | 2434 fps | 97.8% |
| IMR 4350 | <<locked>> | 80% | 36,071 psi | 57% | 2329 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,843 psi | 66% | 2428 fps | 97.3% |
| IMR 4831 | <<locked>> | 80% | 31,647 psi | 50% | 2267 fps | 97.2% |
| IMR 4895 | <<locked>> | 80% | 49,879 psi | 78% | 2595 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 48,414 psi | 76% | 2566 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 96% | 47,369 psi | 74% | 2648 fps | 95.8% |
| Lovex D073.6 | <<locked>> | 80% | 53,374 psi | 84% | 2592 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 52,156 psi | 82% | 2546 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,703 psi | 75% | 2510 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,407 psi | 62% | 2382 fps | 98% |
| Lovex S070 | <<locked>> | 80% | 37,507 psi | 59% | 2362 fps | 96.4% |
| Lovex S071 | <<locked>> | 90% | 31,401 psi | 49% | 2267 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 52,025 psi | 82% | 2562 fps | 100% |
| Norma 202 | <<locked>> | 80% | 52,402 psi | 82% | 2559 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,993 psi | 75% | 2556 fps | 100% |
| Norma 204 | <<locked>> | 84% | 40,350 psi | 63% | 2457 fps | 95.1% |
| Norma MRP | <<locked>> | 88% | 36,260 psi | 57% | 2464 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 35,998 psi | 56% | 2379 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 80% | 48,167 psi | 75% | 2575 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 46,702 psi | 73% | 2648 fps | 96% |
| Ramshot Hunter | <<locked>> | 80% | 34,954 psi | 55% | 2369 fps | 96.3% |
| Ramshot Magnum | <<locked>> | 92% | 37,623 psi | 59% | 2451 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 43% | 1486 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,224 psi | 72% | 2510 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 52,489 psi | 82% | 2677 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,409 psi | 66% | 2556 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,824 psi | 56% | 2402 fps | 98.1% |
| ReloadSwiss RS 70 | 55.2 gr | 80% | 34,983 psi | 55% | 2408 fps | 97.4% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 36,100 psi | 57% | 2487 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 49,400 psi | 77% | 2516 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,033 psi | 67% | 2464 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 44,280 psi | 69% | 2500 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 88% | 38,580 psi | 60% | 2444 fps | 95% |
| Rottweil R 907 | <<locked>> | 80% | 40,350 psi | 63% | 2398 fps | 96.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,407 psi | 62% | 2382 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 80% | 53,374 psi | 84% | 2592 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,703 psi | 75% | 2510 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,507 psi | 59% | 2362 fps | 96.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,135 psi | 69% | 2516 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 54,099 psi | 85% | 2621 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 51,547 psi | 81% | 2589 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,823 psi | 83% | 2497 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,599 psi | 70% | 2379 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,464 psi | 60% | 2329 fps | 96.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 40,857 psi | 64% | 2493 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 52,591 psi | 82% | 2497 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 53,577 psi | 84% | 2605 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,555 psi | 68% | 2467 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 48,370 psi | 76% | 2546 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 32,489 psi | 51% | 2339 fps | 99.7% |
| Somchem S385 | <<locked>> | 86% | 36,898 psi | 58% | 2382 fps | 95.3% |
| Unknown powder | <<locked>> | 80% | 38,885 psi | 61% | 2431 fps | 98.4% |
| Vihtavuori N133 | <<locked>> | 80% | 49,980 psi | 78% | 2441 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,763 psi | 78% | 2484 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,255 psi | 77% | 2490 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 37,362 psi | 59% | 2329 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 39,001 psi | 61% | 2408 fps | 98.8% |
| Vihtavuori N165 | <<locked>> | 92% | 37,362 psi | 59% | 2385 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 48,660 psi | 76% | 2513 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,450 psi | 62% | 2448 fps | 98.9% |
| Vihtavuori N555 | <<locked>> | 80% | 28,355 psi | 44% | 2241 fps | 96.5% |
| Vihtavuori N560 | <<locked>> | 98% | 48,588 psi | 76% | 2690 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,535 psi | 57% | 2352 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 41,394 psi | 65% | 2493 fps | 97.4% |
| Winchester StaBALL HD | <<locked>> | 82% | 24,337 psi | 38% | 2195 fps | 96% |
| Winchester Supreme 780 | <<locked>> | 88% | 39,668 psi | 62% | 2438 fps | 95% |
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 .310 | 200gr | Rhino Solid Shank. Alliant Reloder-26 delivers the highest muzzle velocity at 2,851 fps; across all powders the maximum-charge window runs from 1,624 fps to 2,851 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 200.0 gr projectile in 0.31" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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-26, Hodgdon Superformance rank at the top here: for .300 WSM with the .310 | 200gr | Rhino Solid Shank 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.