Load Specifications
Bullet Manufacturer:Rhino Bullets
Bullet Weight:200 gr
Bullet Diameter:0.31"
Bullet Length:<<locked>>
Caliber:.300 RCM load data
Case Length (l3):2.09"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:75 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:13.0
Load data in caliber .300 RCM with .310 | 200gr | Rhino Solid Shank 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 70, Hodgdon Superformance and Alliant Reloder-17.
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% | 56,260 psi | 88% | 2493 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 55,782 psi | 87% | 2526 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 56,913 psi | 89% | 2585 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 57,682 psi | 90% | 2589 fps | 98.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 46,209 psi | 72% | 2520 fps | 98.6% |
| Accurate 4064 | <<locked>> | 88% | 55,724 psi | 87% | 2572 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 55,767 psi | 87% | 2671 fps | 100% |
| ADI AR 2206H | <<locked>> | 84% | 55,521 psi | 87% | 2602 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 56,623 psi | 89% | 2608 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 53,766 psi | 84% | 2657 fps | 97.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 54,259 psi | 85% | 2549 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 55,912 psi | 88% | 2523 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 55,492 psi | 87% | 2723 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 57,043 psi | 89% | 2628 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 57,246 psi | 90% | 2644 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 56,666 psi | 89% | 2720 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 54,201 psi | 85% | 2697 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,663 psi | 83% | 2644 fps | 97.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 46,166 psi | 72% | 2585 fps | 96.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 43,584 psi | 68% | 2539 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,392 psi | 60% | 2457 fps | 97.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 49,211 psi | 77% | 2707 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 55,143 psi | 86% | 2618 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 54,099 psi | 85% | 2595 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 46,166 psi | 72% | 2585 fps | 96.4% |
| Bofors RP7 | <<locked>> | 94% | 57,217 psi | 90% | 2625 fps | 98.9% |
| Hodgdon Benchmark | <<locked>> | 82% | 55,825 psi | 87% | 2530 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 57,537 psi | 90% | 2628 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 54,868 psi | 86% | 2612 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 94% | 54,737 psi | 86% | 2667 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 92% | 55,201 psi | 87% | 2635 fps | 98.2% |
| Hodgdon H4895 | <<locked>> | 84% | 56,101 psi | 88% | 2612 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 56,884 psi | 89% | 2648 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 55,825 psi | 87% | 2644 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 54,781 psi | 86% | 2703 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,911 psi | 56% | 1572 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 57,203 psi | 90% | 2612 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 56,376 psi | 88% | 2585 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 55,999 psi | 88% | 2589 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 55,738 psi | 87% | 2575 fps | 99.1% |
| IMR 4350 | <<locked>> | 96% | 54,244 psi | 85% | 2605 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 92% | 55,506 psi | 87% | 2602 fps | 99% |
| IMR 4831 | <<locked>> | 98% | 56,130 psi | 88% | 2657 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 55,361 psi | 87% | 2628 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 53,505 psi | 84% | 2592 fps | 95.8% |
| IMR 8208 XBR | <<locked>> | 82% | 54,259 psi | 85% | 2549 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 55,608 psi | 87% | 2579 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 54,839 psi | 86% | 2533 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 55,956 psi | 88% | 2582 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 55,405 psi | 87% | 2602 fps | 99.7% |
| Lovex S070 | <<locked>> | 96% | 56,333 psi | 88% | 2635 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,377 psi | 60% | 2382 fps | 96.9% |
| Norma 201 | <<locked>> | 84% | 54,201 psi | 85% | 2549 fps | 100% |
| Norma 202 | <<locked>> | 84% | 54,897 psi | 86% | 2546 fps | 100% |
| Norma 203B | <<locked>> | 88% | 56,449 psi | 88% | 2635 fps | 100% |
| Norma 204 | <<locked>> | 96% | 55,027 psi | 86% | 2654 fps | 97.7% |
| Norma MRPᴾ | <<locked>> | 100% | 48,704 psi | 76% | 2664 fps | 98.3% |
| Norma URP | <<locked>> | 96% | 54,578 psi | 86% | 2654 fps | 100% |
| Ramshot Big Game | <<locked>> | 88% | 57,319 psi | 90% | 2661 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 57,029 psi | 89% | 2707 fps | 99.7% |
| Ramshot TAC | <<locked>> | 82% | 54,433 psi | 85% | 2579 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,186 psi | 85% | 2592 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,535 psi | 57% | 1611 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 54,839 psi | 86% | 2595 fps | 99.4% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 54,534 psi | 85% | 2661 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 53,998 psi | 85% | 2694 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 55,434 psi | 87% | 2690 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 54,491 psi | 85% | 2720 fps | 100% |
| Rottweil R 901 | <<locked>> | 82% | 55,187 psi | 86% | 2523 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 54,984 psi | 86% | 2552 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 57,638 psi | 90% | 2635 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 55,274 psi | 87% | 2625 fps | 96.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 51,416 psi | 81% | 2628 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 94% | 57,217 psi | 90% | 2625 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 94% | 55,405 psi | 87% | 2602 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 84% | 55,608 psi | 87% | 2579 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 55,956 psi | 88% | 2582 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 56,333 psi | 88% | 2635 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 55,521 psi | 87% | 2644 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 56,753 psi | 89% | 2608 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 57,348 psi | 90% | 2625 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 55,405 psi | 87% | 2484 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,072 psi | 88% | 2487 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 55,419 psi | 87% | 2559 fps | 99% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 50,966 psi | 80% | 2621 fps | 97.4% |
| Somchem S335 | <<locked>> | 84% | 54,911 psi | 86% | 2484 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 56,202 psi | 88% | 2595 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 57,609 psi | 90% | 2631 fps | 100% |
| Somchem S361ᴾ | <<locked>> | 100% | 57,377 psi | 90% | 2625 fps | 96.3% |
| Somchem S365ᴾ | <<locked>> | 100% | 56,898 psi | 89% | 2703 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 52,257 psi | 82% | 2608 fps | 98.3% |
| Vihtavuori N133 | <<locked>> | 84% | 55,811 psi | 87% | 2467 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 54,781 psi | 86% | 2510 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,317 psi | 87% | 2526 fps | 100% |
| Vihtavuori N150 | <<locked>> | 92% | 55,579 psi | 87% | 2562 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 56,971 psi | 89% | 2648 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 45,092 psi | 71% | 2484 fps | 96.5% |
| Vihtavuori N530 | <<locked>> | 82% | 54,926 psi | 86% | 2552 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 57,072 psi | 89% | 2572 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 56,202 psi | 88% | 2661 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 48,443 psi | 76% | 2608 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 56,942 psi | 89% | 2625 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 55,129 psi | 86% | 2598 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 55,027 psi | 86% | 2674 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,131 psi | 61% | 2575 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 86% | 57,464 psi | 90% | 2631 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 48,907 psi | 77% | 2549 fps | 96.6% |
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 2015 | <<locked>> | 80% | 52,982 psi | 83% | 2451 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 45,847 psi | 72% | 2398 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 53,316 psi | 84% | 2539 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 44,469 psi | 70% | 2388 fps | 96.5% |
| Accurate 3100 | <<locked>> | 90% | 32,866 psi | 52% | 2267 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 43,410 psi | 68% | 2402 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,416 psi | 51% | 2267 fps | 96.8% |
| ADI AR 2206H | <<locked>> | 80% | 49,095 psi | 77% | 2510 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 41,698 psi | 65% | 2375 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 94% | 44,367 psi | 70% | 2500 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,213 psi | 80% | 2510 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 52,199 psi | 82% | 2477 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 44,962 psi | 70% | 2559 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,698 psi | 65% | 2398 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,730 psi | 70% | 2461 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,329 psi | 51% | 2274 fps | 96.9% |
| Alliant Reloder-17 | 49.2 gr | 80% | 36,245 psi | 57% | 2392 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 94% | 43,656 psi | 68% | 2493 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 98% | 43,236 psi | 68% | 2533 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,556 psi | 42% | 2149 fps | 95.9% |
| Alliant Reloder-25 | <<locked>> | 96% | 33,837 psi | 53% | 2352 fps | 95.7% |
| Alliant Reloder-26 | <<locked>> | 86% | 30,240 psi | 47% | 2306 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,356 psi | 76% | 2520 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 41,684 psi | 65% | 2408 fps | 99.9% |
| Bofors RP5 | <<locked>> | 98% | 43,236 psi | 68% | 2533 fps | 95.6% |
| Bofors RP7 | <<locked>> | 82% | 39,508 psi | 62% | 2333 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 52,460 psi | 82% | 2487 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 50,401 psi | 79% | 2533 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,264 psi | 66% | 2411 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 82% | 36,898 psi | 58% | 2359 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 84% | 42,714 psi | 67% | 2428 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 49,647 psi | 78% | 2520 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 29,805 psi | 47% | 2182 fps | 97.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,658 psi | 72% | 2497 fps | 100% |
| Hodgdon Superformance | 54.6 gr | 84% | 38,696 psi | 61% | 2421 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,890 psi | 42% | 1404 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 47,413 psi | 74% | 2474 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 49,806 psi | 78% | 2500 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,845 psi | 69% | 2405 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 46,108 psi | 72% | 2428 fps | 97.6% |
| IMR 4350 | <<locked>> | 86% | 39,856 psi | 62% | 2365 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 38,624 psi | 61% | 2316 fps | 95.6% |
| IMR 4831 | <<locked>> | 80% | 31,459 psi | 49% | 2228 fps | 96.5% |
| IMR 4895 | <<locked>> | 80% | 45,876 psi | 72% | 2487 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 98% | 50,169 psi | 79% | 2539 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 51,213 psi | 80% | 2510 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 48,733 psi | 76% | 2487 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,573 psi | 76% | 2444 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 43,918 psi | 69% | 2405 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,042 psi | 56% | 2270 fps | 96.4% |
| Lovex S070 | <<locked>> | 82% | 36,550 psi | 57% | 2300 fps | 95.4% |
| Lovex S071 | <<locked>> | 96% | 33,808 psi | 53% | 2287 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 47,906 psi | 75% | 2457 fps | 100% |
| Norma 202 | <<locked>> | 80% | 48,501 psi | 76% | 2461 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,106 psi | 69% | 2448 fps | 99.8% |
| Norma 204 | <<locked>> | 90% | 44,860 psi | 70% | 2493 fps | 95.6% |
| Norma MRP | <<locked>> | 92% | 37,231 psi | 58% | 2441 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 32,663 psi | 51% | 2267 fps | 96.7% |
| Ramshot Big Game | <<locked>> | 80% | 43,743 psi | 69% | 2464 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 33,823 psi | 53% | 2300 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 50,894 psi | 80% | 2526 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 50,865 psi | 80% | 2543 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,311 psi | 43% | 1437 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,366 psi | 66% | 2395 fps | 97.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 47,645 psi | 75% | 2559 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 38,580 psi | 60% | 2448 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,010 psi | 50% | 2280 fps | 96.2% |
| ReloadSwiss RS 70 | 49.9 gr | 80% | 31,734 psi | 50% | 2277 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 52,083 psi | 82% | 2484 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 45,818 psi | 72% | 2418 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,305 psi | 62% | 2359 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 96% | 48,747 psi | 76% | 2526 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 94% | 42,235 psi | 66% | 2474 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 82% | 39,508 psi | 62% | 2333 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,042 psi | 56% | 2270 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 48,733 psi | 76% | 2487 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 43,918 psi | 69% | 2405 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 36,550 psi | 57% | 2300 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,132 psi | 63% | 2405 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 49,647 psi | 78% | 2510 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,456 psi | 74% | 2484 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,095 psi | 77% | 2402 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,176 psi | 65% | 2287 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 37,594 psi | 59% | 2267 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 41,843 psi | 66% | 2467 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 48,660 psi | 76% | 2402 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,197 psi | 77% | 2497 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 39,726 psi | 62% | 2356 fps | 99.6% |
| Somchem S361 | <<locked>> | 98% | 53,548 psi | 84% | 2569 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 29,240 psi | 46% | 2224 fps | 98.7% |
| Somchem S385 | <<locked>> | 92% | 40,379 psi | 63% | 2411 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 80% | 49,559 psi | 78% | 2388 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 45,571 psi | 71% | 2388 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,093 psi | 72% | 2402 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,029 psi | 60% | 2300 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 34,011 psi | 53% | 2267 fps | 97.1% |
| Vihtavuori N165 | <<locked>> | 98% | 42,235 psi | 66% | 2434 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 51,416 psi | 81% | 2507 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 44,295 psi | 69% | 2398 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 33,446 psi | 52% | 2267 fps | 96.7% |
| Vihtavuori N555 | <<locked>> | 82% | 26,948 psi | 42% | 2169 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,373 psi | 52% | 2241 fps | 98.8% |
| Winchester 748 | <<locked>> | 80% | 51,634 psi | 81% | 2552 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 36,898 psi | 58% | 2359 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 86% | 24,947 psi | 39% | 2169 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 47,123 psi | 74% | 2487 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 42,714 psi | 67% | 2444 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 107 powders for .300 RCM loaded with the .310 | 200gr | Rhino Solid Shank. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,723 fps; across all powders the maximum-charge window runs from 1,572 fps to 2,723 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 56–90 %, 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 2209, 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .300 RCM 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.