
Load Specifications
Load data in caliber 9.3 RSM with .366 | 286gr | A-Square MONO RN bullet and 108 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and ReloadSwiss RS 52.
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>> | 86% | 54,650 psi | 86% | 2395 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 56,623 psi | 89% | 2467 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 56,231 psi | 88% | 2461 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 54,621 psi | 86% | 2477 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 56,057 psi | 88% | 2464 fps | 97.2% |
| Accurate 4064 | <<locked>> | 94% | 55,782 psi | 87% | 2500 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 51,459 psi | 81% | 2526 fps | 99.4% |
| Accurate LT-30 | <<locked>> | 82% | 57,014 psi | 89% | 2382 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 57,450 psi | 90% | 2405 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 57,159 psi | 90% | 2533 fps | 100% |
| ADI AR 2208 | <<locked>> | 94% | 54,433 psi | 85% | 2484 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 88% | 56,304 psi | 88% | 2490 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 56,623 psi | 89% | 2461 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 54,462 psi | 85% | 2536 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 56,550 psi | 89% | 2644 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 54,433 psi | 85% | 2500 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 57,609 psi | 90% | 2549 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 54,505 psi | 85% | 2398 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 54,926 psi | 86% | 2526 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,285 psi | 79% | 2533 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 98% | 54,607 psi | 86% | 2615 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,694 psi | 56% | 2300 fps | 98% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 39,305 psi | 62% | 2428 fps | 96.8% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 56,159 psi | 88% | 2385 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 56,855 psi | 89% | 2549 fps | 99.8% |
| Bofors RP3 | <<locked>> | 94% | 54,563 psi | 86% | 2520 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 54,998 psi | 86% | 2490 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 86% | 54,737 psi | 86% | 2428 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 55,274 psi | 87% | 2520 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 57,363 psi | 90% | 2608 fps | 100% |
| Hodgdon H322 | <<locked>> | 84% | 57,101 psi | 89% | 2480 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 54,433 psi | 85% | 2464 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 55,811 psi | 87% | 2533 fps | 99.5% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 54,636 psi | 86% | 2572 fps | 98% |
| Hodgdon H4350 | <<locked>> | 98% | 55,825 psi | 87% | 2539 fps | 96.8% |
| Hodgdon H4895 | <<locked>> | 90% | 57,682 psi | 90% | 2543 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,340 psi | 73% | 2425 fps | 99.7% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 56,724 psi | 89% | 2575 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 55,840 psi | 88% | 2608 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,244 psi | 55% | 1483 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 55,506 psi | 87% | 2500 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 57,276 psi | 90% | 2520 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 57,377 psi | 90% | 2513 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 90% | 54,447 psi | 85% | 2454 fps | 97.7% |
| IMR 4198 | <<locked>> | 82% | 54,708 psi | 86% | 2359 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 51,561 psi | 81% | 2467 fps | 96.7% |
| IMR 4451 Enduron | <<locked>> | 98% | 57,145 psi | 90% | 2520 fps | 98.1% |
| IMR 4831ᴾ | <<locked>> | 100% | 48,805 psi | 76% | 2474 fps | 99.2% |
| IMR 4895 | <<locked>> | 92% | 56,376 psi | 88% | 2552 fps | 100% |
| IMR 8208 XBR | <<locked>> | 88% | 56,304 psi | 88% | 2490 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 56,391 psi | 88% | 2477 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 56,623 psi | 89% | 2513 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 56,768 psi | 89% | 2467 fps | 100% |
| Lovex S062 | <<locked>> | 94% | 57,130 psi | 90% | 2510 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 56,072 psi | 88% | 2513 fps | 99% |
| Lovex S070ᴾ | <<locked>> | 100% | 53,258 psi | 83% | 2493 fps | 97.8% |
| Norma 201 | <<locked>> | 90% | 55,782 psi | 87% | 2484 fps | 100% |
| Norma 202 | <<locked>> | 90% | 56,173 psi | 88% | 2484 fps | 100% |
| Norma 203B | <<locked>> | 94% | 57,595 psi | 90% | 2559 fps | 100% |
| Norma URPᴾ | <<locked>> | 100% | 50,807 psi | 80% | 2516 fps | 99.3% |
| Ramshot Big Game | <<locked>> | 92% | 54,418 psi | 85% | 2539 fps | 99.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 49,922 psi | 78% | 2513 fps | 97.9% |
| Ramshot TAC | <<locked>> | 88% | 56,608 psi | 89% | 2513 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 88% | 55,956 psi | 88% | 2526 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 86% | 57,261 psi | 90% | 2493 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,549 psi | 56% | 1516 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 55,840 psi | 88% | 2470 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 56,202 psi | 88% | 2513 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 55,071 psi | 86% | 2585 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 54,447 psi | 85% | 2615 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,039 psi | 80% | 2549 fps | 99.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 51,488 psi | 81% | 2572 fps | 99% |
| Rottweil R 901 | <<locked>> | 88% | 56,956 psi | 89% | 2464 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 56,304 psi | 88% | 2480 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 54,433 psi | 85% | 2513 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 54,998 psi | 86% | 2490 fps | 97.3% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 56,072 psi | 88% | 2513 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 90% | 56,623 psi | 89% | 2513 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 57,130 psi | 90% | 2510 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 53,258 psi | 83% | 2493 fps | 97.8% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 55,521 psi | 87% | 2448 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 56,188 psi | 88% | 2569 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 57,711 psi | 90% | 2408 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 54,911 psi | 86% | 2490 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 55,317 psi | 87% | 2507 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 57,653 psi | 90% | 2425 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 57,421 psi | 90% | 2421 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 56,652 psi | 89% | 2470 fps | 98% |
| Somchem S321 | <<locked>> | 86% | 57,667 psi | 90% | 2523 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 56,782 psi | 89% | 2425 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 54,389 psi | 85% | 2484 fps | 99.9% |
| Somchem S355 | <<locked>> | 96% | 54,795 psi | 86% | 2507 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 45,382 psi | 71% | 2474 fps | 100% |
| Vihtavuori N130 | <<locked>> | 86% | 57,580 psi | 90% | 2392 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 57,711 psi | 90% | 2408 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 55,767 psi | 87% | 2448 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 56,826 psi | 89% | 2464 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 56,260 psi | 88% | 2490 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 53,577 psi | 84% | 2513 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 88% | 56,753 psi | 89% | 2490 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 54,839 psi | 86% | 2467 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 52,431 psi | 82% | 2520 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,174 psi | 60% | 2362 fps | 97.9% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 54,114 psi | 85% | 2500 fps | 100% |
| Winchester 748 | <<locked>> | 88% | 56,507 psi | 89% | 2536 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 54,882 psi | 86% | 2575 fps | 98% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 31,778 psi | 50% | 2283 fps | 97.2% |
| Winchester StaBALL Match | <<locked>> | 90% | 55,143 psi | 86% | 2516 fps | 100% |
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% | 45,556 psi | 71% | 2280 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,487 psi | 78% | 2375 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,116 psi | 60% | 2215 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,730 psi | 70% | 2346 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 46,180 psi | 72% | 2323 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 36,013 psi | 56% | 2208 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 31,923 psi | 50% | 2188 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 53,853 psi | 84% | 2343 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 54,215 psi | 85% | 2369 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 41,756 psi | 65% | 2306 fps | 98.9% |
| ADI AR 2208 | <<locked>> | 80% | 35,665 psi | 56% | 2178 fps | 96.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,816 psi | 69% | 2313 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 80% | 43,656 psi | 68% | 2303 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 51,097 psi | 80% | 2490 fps | 100% |
| Alliant Power Pro 2000-MR | 59.9 gr | 80% | 37,739 psi | 59% | 2326 fps | 97.3% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 42,264 psi | 66% | 2316 fps | 99.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 34,983 psi | 55% | 2195 fps | 98.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 51,372 psi | 81% | 2359 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,579 psi | 59% | 2247 fps | 97.6% |
| Alliant Reloder-16 | <<locked>> | 86% | 32,909 psi | 52% | 2201 fps | 95.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 30,182 psi | 47% | 2162 fps | 96% |
| Alliant Reloder-23 | <<locked>> | 94% | 29,733 psi | 47% | 2156 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 98% | 36,709 psi | 58% | 2372 fps | 95.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 52,765 psi | 83% | 2346 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 40,770 psi | 64% | 2310 fps | 97.8% |
| Bofors RP3 | <<locked>> | 80% | 34,345 psi | 54% | 2195 fps | 98.2% |
| Bofors RP7 | <<locked>> | 92% | 45,818 psi | 72% | 2352 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,818 psi | 72% | 2306 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,279 psi | 66% | 2333 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,470 psi | 73% | 2454 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 80% | 50,183 psi | 79% | 2395 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 50,923 psi | 80% | 2418 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 35,447 psi | 56% | 2198 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 92% | 42,250 psi | 66% | 2379 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 94% | 49,313 psi | 77% | 2444 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 42,134 psi | 66% | 2316 fps | 99.3% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 28,195 psi | 44% | 2064 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,927 psi | 59% | 2290 fps | 99% |
| Hodgdon Superformance | <<locked>> | 94% | 45,324 psi | 71% | 2448 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,121 psi | 41% | 1319 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,611 psi | 64% | 2277 fps | 99% |
| IMR 3031 | <<locked>> | 80% | 41,524 psi | 65% | 2310 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,405 psi | 59% | 2205 fps | 97.6% |
| IMR 4166 Enduron | <<locked>> | 82% | 42,482 psi | 67% | 2267 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 51,547 psi | 81% | 2323 fps | 100% |
| IMR 4350 | <<locked>> | 96% | 45,556 psi | 71% | 2375 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 44,817 psi | 70% | 2339 fps | 95.6% |
| IMR 4831 | <<locked>> | 88% | 33,243 psi | 52% | 2198 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 38,479 psi | 60% | 2274 fps | 98.4% |
| IMR 8208 XBR | <<locked>> | 80% | 43,816 psi | 69% | 2313 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 80% | 49,327 psi | 77% | 2385 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,495 psi | 63% | 2287 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 42,206 psi | 66% | 2254 fps | 98.9% |
| Lovex S062 | <<locked>> | 80% | 37,217 psi | 58% | 2211 fps | 99% |
| Lovex S065 | <<locked>> | 88% | 38,957 psi | 61% | 2244 fps | 95.7% |
| Lovex S070 | <<locked>> | 92% | 41,771 psi | 65% | 2316 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 41,046 psi | 64% | 2267 fps | 99.5% |
| Norma 202 | <<locked>> | 80% | 41,162 psi | 65% | 2274 fps | 100% |
| Norma 203B | <<locked>> | 80% | 36,970 psi | 58% | 2238 fps | 98% |
| Norma URP | <<locked>> | 86% | 32,619 psi | 51% | 2192 fps | 95% |
| Ramshot Big Game | <<locked>> | 80% | 36,376 psi | 57% | 2251 fps | 97.6% |
| Ramshot Hunter | <<locked>> | 92% | 38,711 psi | 61% | 2320 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 43,627 psi | 68% | 2316 fps | 97.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,018 psi | 67% | 2336 fps | 99% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,297 psi | 74% | 2356 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,484 psi | 42% | 1352 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,095 psi | 77% | 2385 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 40,843 psi | 64% | 2280 fps | 95.4% |
| ReloadSwiss RS 52 | 58.1 gr | 80% | 39,189 psi | 61% | 2336 fps | 98% |
| ReloadSwiss RS 60 | 59 gr | 80% | 32,111 psi | 50% | 2221 fps | 99% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 33,997 psi | 53% | 2251 fps | 95.3% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 36,912 psi | 58% | 2306 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 44,918 psi | 70% | 2300 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,044 psi | 61% | 2224 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 80% | 32,401 psi | 51% | 2149 fps | 97.4% |
| Rottweil R 907 | <<locked>> | 92% | 45,818 psi | 72% | 2352 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 88% | 38,957 psi | 61% | 2244 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,495 psi | 63% | 2287 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 37,217 psi | 58% | 2211 fps | 99% |
| Shooters World SW4350 | <<locked>> | 92% | 41,771 psi | 65% | 2316 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 51,895 psi | 81% | 2402 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,431 psi | 52% | 2192 fps | 96.8% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 42,844 psi | 67% | 2221 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 41,800 psi | 66% | 2293 fps | 97.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,364 psi | 63% | 2280 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,612 psi | 67% | 2228 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,244 psi | 55% | 2113 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 43,627 psi | 68% | 2287 fps | 95.5% |
| Somchem S321 | <<locked>> | 80% | 47,123 psi | 74% | 2385 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 42,061 psi | 66% | 2228 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,510 psi | 65% | 2293 fps | 98.8% |
| Somchem S355 | <<locked>> | 80% | 33,417 psi | 52% | 2156 fps | 97.4% |
| Somchem S365 | <<locked>> | 82% | 25,686 psi | 40% | 2051 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 48,153 psi | 75% | 2280 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,844 psi | 67% | 2221 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,363 psi | 60% | 2211 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,957 psi | 61% | 2218 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,662 psi | 50% | 2100 fps | 98.2% |
| Vihtavuori N160 | <<locked>> | 86% | 34,214 psi | 54% | 2195 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 43,758 psi | 69% | 2310 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 80% | 37,536 psi | 59% | 2211 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 86% | 33,460 psi | 52% | 2195 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 94% | 31,647 psi | 50% | 2224 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 28,224 psi | 44% | 2034 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 43,279 psi | 68% | 2352 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 42,250 psi | 66% | 2379 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 98% | 29,791 psi | 47% | 2224 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,595 psi | 62% | 2283 fps | 98.9% |
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 123 powders for 9.3 RSM loaded with the .366 | 286gr | A-Square MONO RN. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,644 fps; across all powders the maximum-charge window runs from 1,483 fps to 2,644 fps. Accurate 3100 gives the best case fill at 100 %, and 123 of the 123 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 47–90 %, leaving at least 10 % headroom. Accurate 3100, Accurate 4350, ADI AR 2209 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, Alliant Power Pro 2000-MR, ReloadSwiss RS 52 rank at the top here: for 9.3 RSM with the .366 | 286gr | A-Square MONO RN they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, ADI AR 2209, Alliant Reloder-19 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.