Load Specifications
Bullet Manufacturer:Rhino Bullets
Bullet Weight:215 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:1:12.5
Load data in caliber .300 WSM with .310 | 215gr | Rhino Solid Shank bullet and 98 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, ReloadSwiss RS 70 and Ramshot Grand.
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>> | 82% | 55,796 psi | 87% | 2464 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 54,607 psi | 86% | 2503 fps | 99.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 54,520 psi | 85% | 2589 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 56,347 psi | 88% | 2520 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 56,927 psi | 89% | 2628 fps | 100% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 53,374 psi | 84% | 2671 fps | 96.3% |
| ADI AR 2208 | <<locked>> | 86% | 56,188 psi | 88% | 2552 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 57,725 psi | 90% | 2674 fps | 99.3% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 55,274 psi | 87% | 2674 fps | 98.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 35,404 psi | 55% | 2365 fps | 96.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 55,347 psi | 87% | 2664 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 57,014 psi | 89% | 2569 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 57,188 psi | 90% | 2592 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 57,493 psi | 90% | 2674 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 55,129 psi | 86% | 2648 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 56,840 psi | 89% | 2661 fps | 99.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 54,172 psi | 85% | 2671 fps | 99.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 51,169 psi | 80% | 2598 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 44,440 psi | 70% | 2543 fps | 99.8% |
| Alliant Reloder-26 | <<locked>> | 98% | 54,824 psi | 86% | 2733 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 49,661 psi | 78% | 2602 fps | 98.4% |
| Bofors RP3 | <<locked>> | 84% | 54,273 psi | 85% | 2539 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 54,172 psi | 85% | 2671 fps | 99.1% |
| Bofors RP7 | <<locked>> | 90% | 57,159 psi | 90% | 2582 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 84% | 54,694 psi | 86% | 2559 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 56,652 psi | 89% | 2648 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 92% | 56,855 psi | 89% | 2615 fps | 99.4% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 50,995 psi | 80% | 2556 fps | 96.8% |
| Hodgdon H4831 SC | <<locked>> | 98% | 54,244 psi | 85% | 2602 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 54,215 psi | 85% | 2556 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 56,246 psi | 88% | 2592 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 43,511 psi | 68% | 2579 fps | 97.9% |
| Hodgdon Superformance | <<locked>> | 90% | 55,521 psi | 87% | 2667 fps | 99.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,492 psi | 57% | 1562 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,767 psi | 87% | 2539 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 55,158 psi | 86% | 2507 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 55,216 psi | 87% | 2526 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 57,232 psi | 90% | 2556 fps | 99.8% |
| IMR 4350 | <<locked>> | 92% | 54,607 psi | 86% | 2566 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,303 psi | 87% | 2559 fps | 99.7% |
| IMR 4831 | <<locked>> | 96% | 54,723 psi | 86% | 2585 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 55,027 psi | 86% | 2566 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 57,043 psi | 89% | 2608 fps | 98% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 56,724 psi | 89% | 2707 fps | 98.5% |
| Lovex S060 | <<locked>> | 82% | 57,029 psi | 89% | 2513 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,999 psi | 88% | 2526 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,405 psi | 87% | 2552 fps | 100% |
| Lovex S070 | <<locked>> | 92% | 56,782 psi | 89% | 2595 fps | 99.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,310 psi | 71% | 2454 fps | 99.4% |
| Norma 201 | <<locked>> | 82% | 57,130 psi | 90% | 2533 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,478 psi | 89% | 2579 fps | 100% |
| Norma 204 | <<locked>> | 92% | 55,187 psi | 86% | 2615 fps | 98.9% |
| Norma MRPᴾ | <<locked>> | 100% | 57,682 psi | 90% | 2746 fps | 99.9% |
| Norma URP | <<locked>> | 92% | 55,550 psi | 87% | 2615 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 57,305 psi | 90% | 2605 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 56,826 psi | 89% | 2717 fps | 98.8% |
| Ramshot Hunter | <<locked>> | 92% | 54,128 psi | 85% | 2618 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 53,200 psi | 83% | 2641 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,159 psi | 58% | 1598 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 54,578 psi | 86% | 2546 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 54,766 psi | 86% | 2638 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 56,623 psi | 89% | 2651 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 54,984 psi | 86% | 2677 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 43,308 psi | 68% | 2572 fps | 98.8% |
| Rottweil R 902 | <<locked>> | 82% | 54,563 psi | 86% | 2490 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 54,433 psi | 85% | 2539 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 55,811 psi | 87% | 2595 fps | 98.3% |
| Rottweil R 905 | <<locked>> | 98% | 56,057 psi | 88% | 2648 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 90% | 57,159 psi | 90% | 2582 fps | 99.7% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,405 psi | 87% | 2552 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 55,999 psi | 88% | 2526 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 56,782 psi | 89% | 2595 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 55,941 psi | 88% | 2595 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 56,782 psi | 89% | 2562 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,361 psi | 87% | 2428 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,100 psi | 86% | 2513 fps | 99.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 55,579 psi | 87% | 2644 fps | 99.2% |
| Somchem S335 | <<locked>> | 82% | 57,537 psi | 90% | 2461 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 57,682 psi | 90% | 2575 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 57,392 psi | 90% | 2592 fps | 97.8% |
| Somchem S365 | <<locked>> | 94% | 54,665 psi | 86% | 2612 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 56,855 psi | 89% | 2628 fps | 99.7% |
| Unknown powder | <<locked>> | 90% | 56,014 psi | 88% | 2615 fps | 100% |
| Vihtavuori N133 | <<locked>> | 82% | 54,694 psi | 86% | 2402 fps | 100% |
| Vihtavuori N135 | <<locked>> | 82% | 54,868 psi | 86% | 2451 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 54,172 psi | 85% | 2457 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 55,941 psi | 88% | 2516 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 56,507 psi | 89% | 2585 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,662 psi | 79% | 2530 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 84% | 57,348 psi | 90% | 2526 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 56,985 psi | 89% | 2635 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 57,188 psi | 90% | 2667 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 54,491 psi | 85% | 2694 fps | 97.8% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 45,948 psi | 72% | 2549 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 57,290 psi | 90% | 2575 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 56,652 psi | 89% | 2648 fps | 99.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 46,311 psi | 73% | 2664 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 55,071 psi | 86% | 2598 fps | 99% |
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% | 52,460 psi | 82% | 2425 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,933 psi | 70% | 2356 fps | 98% |
| Accurate 3100 | <<locked>> | 82% | 29,733 psi | 47% | 2149 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 49,748 psi | 78% | 2434 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 38,000 psi | 60% | 2333 fps | 99.3% |
| Accurate MAGPRO | <<locked>> | 98% | 49,632 psi | 78% | 2615 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 46,789 psi | 73% | 2415 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 39,189 psi | 61% | 2365 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 92% | 42,351 psi | 66% | 2454 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 98% | 33,402 psi | 52% | 2313 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 51,735 psi | 81% | 2615 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,224 psi | 74% | 2434 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,531 psi | 79% | 2500 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,869 psi | 58% | 2339 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,872 psi | 66% | 2451 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 38,928 psi | 61% | 2362 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 88% | 36,564 psi | 57% | 2359 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,166 psi | 43% | 2133 fps | 97.9% |
| Alliant Reloder-25 | <<locked>> | 86% | 28,819 psi | 45% | 2188 fps | 95.1% |
| Alliant Reloder-26 | 54.7 gr | 80% | 28,805 psi | 45% | 2231 fps | 96.3% |
| Bofors RP15 | <<locked>> | 92% | 38,522 psi | 60% | 2398 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 47,601 psi | 75% | 2448 fps | 100% |
| Bofors RP5 | <<locked>> | 88% | 36,564 psi | 57% | 2359 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 41,858 psi | 66% | 2339 fps | 97.6% |
| Hodgdon H380 | <<locked>> | 80% | 48,008 psi | 75% | 2461 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 80% | 43,178 psi | 68% | 2438 fps | 98.4% |
| Hodgdon H4350 | <<locked>> | 80% | 39,421 psi | 62% | 2326 fps | 96.2% |
| Hodgdon H4831 | <<locked>> | 96% | 44,860 psi | 70% | 2454 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 44,396 psi | 70% | 2448 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,490 psi | 54% | 2244 fps | 99.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,400 psi | 77% | 2500 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 94% | 36,071 psi | 57% | 2411 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 38,638 psi | 61% | 2385 fps | 97% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,253 psi | 43% | 1391 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,284 psi | 77% | 2451 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 52,054 psi | 82% | 2467 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,122 psi | 72% | 2395 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 45,049 psi | 71% | 2372 fps | 98.6% |
| IMR 4350 | <<locked>> | 80% | 37,565 psi | 59% | 2280 fps | 96.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,381 psi | 68% | 2369 fps | 98.3% |
| IMR 4831 | <<locked>> | 80% | 33,127 psi | 52% | 2218 fps | 98.3% |
| IMR 4895 | <<locked>> | 80% | 51,851 psi | 81% | 2523 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 44,483 psi | 70% | 2411 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 92% | 43,395 psi | 68% | 2490 fps | 95.6% |
| Lovex S060 | <<locked>> | 80% | 53,809 psi | 84% | 2470 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,458 psi | 78% | 2438 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,930 psi | 64% | 2323 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 39,059 psi | 61% | 2310 fps | 97.6% |
| Lovex S071 | <<locked>> | 86% | 29,124 psi | 46% | 2133 fps | 95% |
| Norma 201 | <<locked>> | 80% | 53,867 psi | 84% | 2490 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,893 psi | 78% | 2487 fps | 100% |
| Norma 204 | <<locked>> | 82% | 39,407 psi | 62% | 2352 fps | 95.6% |
| Norma MRP | <<locked>> | 84% | 33,257 psi | 52% | 2313 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 37,681 psi | 59% | 2326 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 80% | 50,154 psi | 79% | 2510 fps | 100% |
| Ramshot Grand | 61.6 gr | 90% | 42,322 psi | 66% | 2480 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 36,419 psi | 57% | 2316 fps | 97.6% |
| Ramshot Magnum | <<locked>> | 90% | 36,535 psi | 57% | 2349 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,920 psi | 44% | 1430 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,892 psi | 75% | 2448 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,498 psi | 70% | 2493 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,594 psi | 59% | 2349 fps | 99% |
| ReloadSwiss RS 70 | 54.2 gr | 80% | 36,477 psi | 57% | 2359 fps | 98.6% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 35,259 psi | 55% | 2392 fps | 96% |
| Rottweil R 902 | <<locked>> | 80% | 51,155 psi | 80% | 2448 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,846 psi | 70% | 2402 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 43,424 psi | 68% | 2398 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 37,971 psi | 60% | 2346 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 41,858 psi | 66% | 2339 fps | 97.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,930 psi | 64% | 2323 fps | 98.8% |
| Shooters World Precision | <<locked>> | 80% | 49,458 psi | 78% | 2438 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 39,059 psi | 61% | 2310 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,905 psi | 72% | 2451 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,287 psi | 84% | 2516 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 46,122 psi | 72% | 2306 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,001 psi | 63% | 2277 fps | 97.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 37,608 psi | 59% | 2343 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 54,331 psi | 85% | 2421 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 45,266 psi | 71% | 2402 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 44,193 psi | 69% | 2388 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 34,185 psi | 54% | 2290 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 33,866 psi | 53% | 2234 fps | 95.1% |
| Unknown powder | <<locked>> | 80% | 40,669 psi | 64% | 2375 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 80% | 51,779 psi | 81% | 2365 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 51,576 psi | 81% | 2408 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,068 psi | 80% | 2418 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,827 psi | 61% | 2264 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,596 psi | 64% | 2349 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 90% | 36,680 psi | 57% | 2290 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 50,531 psi | 79% | 2441 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 41,278 psi | 65% | 2392 fps | 99.5% |
| Vihtavuori N555 | <<locked>> | 80% | 29,979 psi | 47% | 2198 fps | 97.9% |
| Vihtavuori N560 | <<locked>> | 94% | 44,715 psi | 70% | 2533 fps | 95.6% |
| Vihtavuori N565 | <<locked>> | 98% | 42,960 psi | 67% | 2497 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,014 psi | 60% | 2293 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,178 psi | 68% | 2438 fps | 98.4% |
| Winchester StaBALL HD | <<locked>> | 80% | 23,902 psi | 37% | 2113 fps | 97% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,711 psi | 61% | 2333 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 98 powders for .300 WSM loaded with the .310 | 215gr | Rhino Solid Shank. Norma MRP delivers the highest muzzle velocity at 2,746 fps; across all powders the maximum-charge window runs from 1,562 fps to 2,746 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 215.0 gr projectile in 0.31" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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 Reloder-26, ReloadSwiss RS 70, Ramshot Grand rank at the top here: for .300 WSM with the .310 | 215gr | 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.