Load Specifications
Load data in caliber 8 x 64 S with .323 | 198gr | RWS ID Classic bullet and 94 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 52,765 psi | 90% | 2510 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 51,111 psi | 87% | 2533 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 50,531 psi | 86% | 2530 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 52,750 psi | 90% | 2592 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 50,430 psi | 86% | 2569 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,110 psi | 84% | 2621 fps | 98.5% |
| ADI AR 2206H | <<locked>> | 88% | 51,909 psi | 88% | 2595 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 94% | 52,750 psi | 90% | 2592 fps | 99.3% |
| ADI Benchmark 8208 | <<locked>> | 86% | 50,981 psi | 87% | 2552 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 86% | 50,879 psi | 87% | 2536 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 52,649 psi | 90% | 2648 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 50,894 psi | 87% | 2690 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 52,199 psi | 89% | 2612 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 52,794 psi | 90% | 2516 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 52,866 psi | 90% | 2631 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 48,254 psi | 82% | 2625 fps | 98.6% |
| Alliant Reloder-17 | <<locked>> | 98% | 52,402 psi | 89% | 2720 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,258 psi | 58% | 2372 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 51,169 psi | 87% | 2605 fps | 98.8% |
| Bofors RP3 | <<locked>> | 94% | 52,417 psi | 89% | 2625 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 50,082 psi | 85% | 2497 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 49,806 psi | 85% | 2579 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 51,387 psi | 87% | 2664 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 82% | 51,532 psi | 88% | 2549 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 52,388 psi | 89% | 2575 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 50,285 psi | 86% | 2585 fps | 98.2% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 52,562 psi | 89% | 2671 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 88% | 52,417 psi | 89% | 2608 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,541 psi | 76% | 2520 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 50,778 psi | 86% | 2631 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,056 psi | 60% | 1572 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 50,357 psi | 86% | 2562 fps | 99.6% |
| IMR 3031 | <<locked>> | 88% | 51,735 psi | 88% | 2595 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 52,257 psi | 89% | 2575 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 90% | 52,794 psi | 90% | 2556 fps | 96.5% |
| IMR 4198 | <<locked>> | 82% | 52,968 psi | 90% | 2477 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 51,895 psi | 88% | 2572 fps | 96.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,673 psi | 79% | 2566 fps | 98.1% |
| IMR 4895 | <<locked>> | 90% | 50,952 psi | 87% | 2615 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 86% | 50,981 psi | 87% | 2552 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 82% | 50,807 psi | 86% | 2539 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 50,995 psi | 87% | 2575 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 51,924 psi | 88% | 2533 fps | 99.5% |
| Lovex S062 | <<locked>> | 92% | 51,808 psi | 88% | 2575 fps | 99.9% |
| Lovex S065 | <<locked>> | 98% | 50,908 psi | 87% | 2566 fps | 97.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 51,372 psi | 87% | 2592 fps | 96.5% |
| Norma 201 | <<locked>> | 88% | 50,720 psi | 86% | 2549 fps | 99.9% |
| Norma 202 | <<locked>> | 88% | 50,850 psi | 87% | 2552 fps | 100% |
| Norma 203B | <<locked>> | 92% | 52,025 psi | 89% | 2618 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 48,805 psi | 83% | 2615 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 92% | 52,257 psi | 89% | 2644 fps | 99.5% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 47,863 psi | 81% | 2602 fps | 96.5% |
| Ramshot TAC | <<locked>> | 86% | 51,271 psi | 87% | 2562 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 86% | 50,430 psi | 86% | 2579 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 84% | 52,083 psi | 89% | 2556 fps | 99.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,273 psi | 60% | 1604 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 50,720 psi | 86% | 2539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 50,981 psi | 87% | 2569 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 52,692 psi | 90% | 2690 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 52,272 psi | 89% | 2723 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,675 psi | 83% | 2641 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,574 psi | 84% | 2664 fps | 97.8% |
| Rottweil R 901 | <<locked>> | 86% | 51,866 psi | 88% | 2536 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 51,213 psi | 87% | 2546 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 96% | 52,272 psi | 89% | 2615 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 98% | 50,908 psi | 87% | 2566 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 88% | 50,995 psi | 87% | 2575 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 51,808 psi | 88% | 2575 fps | 99.9% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 51,372 psi | 87% | 2592 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 50,647 psi | 86% | 2625 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 52,968 psi | 90% | 2592 fps | 98.5% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 50,241 psi | 86% | 2569 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 52,750 psi | 90% | 2500 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 52,388 psi | 89% | 2497 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 51,126 psi | 87% | 2523 fps | 96.1% |
| Somchem S321 | <<locked>> | 84% | 52,025 psi | 89% | 2585 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 51,851 psi | 88% | 2500 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 52,315 psi | 89% | 2585 fps | 99.5% |
| Somchem S355 | <<locked>> | 96% | 52,852 psi | 90% | 2615 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,453 psi | 74% | 2566 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 84% | 52,402 psi | 89% | 2467 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 52,794 psi | 90% | 2490 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 50,270 psi | 86% | 2516 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 51,329 psi | 87% | 2533 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 50,966 psi | 87% | 2556 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 51,343 psi | 87% | 2615 fps | 98.6% |
| Vihtavuori N530 | <<locked>> | 86% | 51,561 psi | 88% | 2556 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 52,750 psi | 90% | 2572 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,256 psi | 86% | 2618 fps | 98.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,405 psi | 62% | 2441 fps | 96.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,330 psi | 89% | 2602 fps | 99.8% |
| Winchester 748 | <<locked>> | 86% | 50,778 psi | 86% | 2595 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 52,562 psi | 89% | 2671 fps | 96.6% |
| Winchester StaBALL Match | <<locked>> | 90% | 52,982 psi | 90% | 2621 fps | 99.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 43,947 psi | 75% | 2385 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,819 psi | 81% | 2484 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 36,506 psi | 62% | 2310 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,946 psi | 73% | 2444 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 34,534 psi | 59% | 2297 fps | 99.6% |
| Accurate 4350 | <<locked>> | 92% | 37,231 psi | 63% | 2415 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 40,451 psi | 69% | 2402 fps | 97.8% |
| ADI AR 2208 | <<locked>> | 80% | 34,330 psi | 58% | 2260 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 42,482 psi | 72% | 2415 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 80% | 41,887 psi | 71% | 2411 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 49,371 psi | 84% | 2598 fps | 99.6% |
| Alliant Power Pro 2000-MR | 48 gr | 80% | 36,376 psi | 62% | 2408 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,591 psi | 57% | 2280 fps | 96.9% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,559 psi | 84% | 2474 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 36,303 psi | 62% | 2339 fps | 96.2% |
| Alliant Reloder-16 | <<locked>> | 90% | 35,810 psi | 61% | 2375 fps | 95% |
| Alliant Reloder-17 | 49.6 gr | 84% | 33,011 psi | 56% | 2339 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 98% | 32,271 psi | 55% | 2323 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 39,291 psi | 67% | 2398 fps | 96.4% |
| Bofors RP3 | <<locked>> | 80% | 32,880 psi | 56% | 2277 fps | 96.8% |
| Hodgdon Benchmark | <<locked>> | 80% | 44,454 psi | 76% | 2408 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,683 psi | 69% | 2428 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,599 psi | 76% | 2552 fps | 98.3% |
| Hodgdon H322 | <<locked>> | 80% | 48,370 psi | 82% | 2503 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,994 psi | 83% | 2526 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 38,711 psi | 66% | 2379 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 96% | 46,180 psi | 79% | 2569 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 40,741 psi | 69% | 2411 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 32,532 psi | 55% | 2277 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,593 psi | 62% | 2379 fps | 97.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 44% | 1401 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 39,073 psi | 67% | 2365 fps | 98% |
| IMR 3031 | <<locked>> | 80% | 39,798 psi | 68% | 2411 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,969 psi | 61% | 2290 fps | 96.1% |
| IMR 4166 Enduron | <<locked>> | 86% | 46,586 psi | 79% | 2457 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 49,995 psi | 85% | 2438 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 48,907 psi | 83% | 2526 fps | 95.5% |
| IMR 4831 | <<locked>> | 92% | 36,143 psi | 62% | 2372 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 37,130 psi | 63% | 2365 fps | 97.1% |
| IMR 8208 XBR | <<locked>> | 80% | 42,482 psi | 72% | 2415 fps | 99.1% |
| Lovex D073.5 | <<locked>> | 80% | 47,500 psi | 81% | 2490 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 38,870 psi | 66% | 2382 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 40,799 psi | 69% | 2346 fps | 97.9% |
| Lovex S062 | <<locked>> | 80% | 35,766 psi | 61% | 2297 fps | 97.9% |
| Lovex S065 | <<locked>> | 92% | 42,467 psi | 72% | 2425 fps | 95.6% |
| Lovex S070 | <<locked>> | 96% | 45,455 psi | 77% | 2497 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 39,639 psi | 67% | 2359 fps | 98.7% |
| Norma 202 | <<locked>> | 80% | 39,639 psi | 67% | 2372 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 35,665 psi | 61% | 2326 fps | 96.6% |
| Norma URP | <<locked>> | 92% | 37,681 psi | 64% | 2411 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 34,983 psi | 60% | 2333 fps | 96% |
| Ramshot Hunter | <<locked>> | 98% | 45,049 psi | 77% | 2552 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 42,264 psi | 72% | 2411 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,336 psi | 70% | 2428 fps | 98% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,832 psi | 78% | 2457 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,353 psi | 45% | 1437 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,427 psi | 81% | 2490 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 44,715 psi | 76% | 2464 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 37,376 psi | 64% | 2421 fps | 96.5% |
| ReloadSwiss RS 60 | 47.3 gr | 80% | 30,980 psi | 53% | 2297 fps | 97.6% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 37,202 psi | 63% | 2428 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,582 psi | 69% | 2493 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 43,453 psi | 74% | 2405 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 37,623 psi | 64% | 2316 fps | 98.3% |
| Rottweil R 903 | <<locked>> | 80% | 31,082 psi | 53% | 2228 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 92% | 42,467 psi | 72% | 2425 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,870 psi | 66% | 2382 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 35,766 psi | 61% | 2297 fps | 97.9% |
| Shooters World SW4350 | <<locked>> | 96% | 45,455 psi | 77% | 2497 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 32,039 psi | 55% | 2270 fps | 95% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 40,219 psi | 68% | 2382 fps | 95.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,798 psi | 66% | 2369 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 41,147 psi | 70% | 2326 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,910 psi | 58% | 2201 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 47,950 psi | 82% | 2474 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 45,542 psi | 78% | 2484 fps | 99.6% |
| Somchem S335 | <<locked>> | 80% | 40,727 psi | 69% | 2329 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 40,045 psi | 68% | 2385 fps | 97.6% |
| Somchem S355 | <<locked>> | 80% | 32,140 psi | 55% | 2238 fps | 95.9% |
| Somchem S365 | <<locked>> | 86% | 28,007 psi | 48% | 2218 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 46,557 psi | 79% | 2388 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,321 psi | 70% | 2323 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,753 psi | 63% | 2306 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,623 psi | 64% | 2316 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 30,487 psi | 52% | 2182 fps | 96.8% |
| Vihtavuori N160 | <<locked>> | 90% | 37,246 psi | 63% | 2369 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 42,206 psi | 72% | 2405 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 36,013 psi | 61% | 2300 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 92% | 38,783 psi | 66% | 2418 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 98% | 34,185 psi | 58% | 2392 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 31,009 psi | 53% | 2201 fps | 95.1% |
| Winchester 748 | <<locked>> | 80% | 41,553 psi | 71% | 2448 fps | 99.6% |
| Winchester 760 | <<locked>> | 96% | 46,180 psi | 79% | 2569 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 38,043 psi | 65% | 2372 fps | 97.8% |
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 106 powders for 8 x 64 S loaded with the .323 | 198gr | RWS ID Classic. ReloadSwiss RS 60 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 106 of the 106 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 198.0 gr projectile in 0.323" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, Alliant Reloder-16 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 Power Pro 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for 8 x 64 S with the .323 | 198gr | RWS ID Classic they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-19, Alliant Reloder-26 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.