Load Specifications
Load data in caliber 8 x 65 R with .323 | 200gr | Nosler Custom Competition bullet and 95 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 Reloder-17 and ReloadSwiss RS 70.
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.
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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 48,573 psi | 86% | 2444 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 49,792 psi | 88% | 2510 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 49,980 psi | 88% | 2559 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 49,980 psi | 88% | 2559 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 50,473 psi | 89% | 2507 fps | 96.2% |
| Accurate 4064 | <<locked>> | 90% | 49,850 psi | 88% | 2552 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 48,573 psi | 86% | 2618 fps | 99.2% |
| ADI AR 2206H | <<locked>> | 86% | 50,662 psi | 90% | 2579 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 90% | 48,675 psi | 86% | 2533 fps | 99.4% |
| ADI Benchmark 8208 | <<locked>> | 84% | 49,937 psi | 88% | 2536 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 50,140 psi | 89% | 2513 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 49,734 psi | 88% | 2680 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 51,184 psi | 90% | 2598 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 48,689 psi | 86% | 2569 fps | 99.5% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,749 psi | 90% | 2674 fps | 99.6% |
| Alliant Reloder-17 | <<locked>> | 94% | 48,080 psi | 85% | 2657 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,969 psi | 64% | 2428 fps | 98.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 39,798 psi | 70% | 2569 fps | 97.1% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 50,270 psi | 89% | 2592 fps | 99.4% |
| Bofors RP3 | <<locked>> | 90% | 48,269 psi | 85% | 2566 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 49,008 psi | 87% | 2533 fps | 96.3% |
| Hodgdon Benchmark | <<locked>> | 82% | 48,820 psi | 86% | 2477 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 48,849 psi | 86% | 2562 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 50,198 psi | 89% | 2648 fps | 99.7% |
| Hodgdon H322 | <<locked>> | 82% | 49,922 psi | 88% | 2520 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 49,342 psi | 87% | 2572 fps | 98.9% |
| Hodgdon H414 | <<locked>> | 94% | 49,995 psi | 88% | 2638 fps | 97.3% |
| Hodgdon H4350 | <<locked>> | 98% | 51,024 psi | 90% | 2602 fps | 96% |
| Hodgdon H4895 | <<locked>> | 86% | 51,111 psi | 90% | 2589 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,818 psi | 83% | 2559 fps | 99.8% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 49,980 psi | 88% | 2618 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 49,095 psi | 87% | 2644 fps | 96.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,302 psi | 62% | 1568 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,501 psi | 86% | 2533 fps | 99.9% |
| IMR 3031 | <<locked>> | 88% | 49,530 psi | 88% | 2556 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 50,401 psi | 89% | 2549 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 92% | 50,299 psi | 89% | 2523 fps | 97.1% |
| IMR 4350 | <<locked>> | 98% | 48,892 psi | 86% | 2556 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 94% | 50,778 psi | 90% | 2562 fps | 97.1% |
| IMR 4831ᴾ | <<locked>> | 100% | 43,801 psi | 77% | 2523 fps | 98.5% |
| IMR 4895 | <<locked>> | 88% | 49,908 psi | 88% | 2598 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 84% | 49,937 psi | 88% | 2536 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 49,980 psi | 88% | 2559 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 50,705 psi | 90% | 2513 fps | 99.8% |
| Lovex S062 | <<locked>> | 90% | 50,937 psi | 90% | 2562 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 49,966 psi | 88% | 2559 fps | 98.3% |
| Lovex S070 | <<locked>> | 98% | 50,604 psi | 89% | 2589 fps | 97.5% |
| Norma 201 | <<locked>> | 86% | 49,705 psi | 88% | 2530 fps | 100% |
| Norma 202 | <<locked>> | 86% | 50,140 psi | 89% | 2536 fps | 100% |
| Norma 203B | <<locked>> | 88% | 47,906 psi | 85% | 2556 fps | 99.7% |
| Norma URP | <<locked>> | 98% | 48,196 psi | 85% | 2608 fps | 99.1% |
| Ramshot Big Game | <<locked>> | 88% | 47,892 psi | 85% | 2579 fps | 99.6% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,372 psi | 89% | 2654 fps | 98.1% |
| Ramshot TAC | <<locked>> | 84% | 50,140 psi | 89% | 2552 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 84% | 49,414 psi | 87% | 2566 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 82% | 50,850 psi | 90% | 2536 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,578 psi | 63% | 1604 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 50,038 psi | 88% | 2559 fps | 97.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 48,515 psi | 86% | 2625 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 48,182 psi | 85% | 2661 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 48,182 psi | 85% | 2638 fps | 99% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 48,486 psi | 86% | 2657 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 84% | 50,879 psi | 90% | 2516 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 50,169 psi | 89% | 2530 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 48,167 psi | 85% | 2556 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 94% | 49,008 psi | 87% | 2533 fps | 96.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 49,966 psi | 88% | 2559 fps | 98.3% |
| Shooters World Match Rifle | <<locked>> | 86% | 49,980 psi | 88% | 2559 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 50,937 psi | 90% | 2562 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 50,604 psi | 89% | 2589 fps | 97.5% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 49,676 psi | 88% | 2612 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 48,211 psi | 85% | 2526 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 49,197 psi | 87% | 2556 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 48,399 psi | 86% | 2434 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 48,066 psi | 85% | 2434 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 50,183 psi | 89% | 2513 fps | 97% |
| Somchem S321 | <<locked>> | 82% | 50,836 psi | 90% | 2566 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 50,691 psi | 90% | 2477 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 47,964 psi | 85% | 2523 fps | 99.6% |
| Somchem S355 | <<locked>> | 92% | 49,023 psi | 87% | 2559 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 45,919 psi | 81% | 2612 fps | 100% |
| Unknown powder | <<locked>> | 96% | 49,458 psi | 87% | 2618 fps | 98.8% |
| Vihtavuori N133 | <<locked>> | 84% | 48,559 psi | 86% | 2425 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 49,574 psi | 88% | 2500 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 50,430 psi | 89% | 2516 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 49,995 psi | 88% | 2539 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 50,676 psi | 90% | 2608 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 84% | 50,183 psi | 89% | 2533 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 48,675 psi | 86% | 2513 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 49,792 psi | 88% | 2615 fps | 99.1% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,609 psi | 68% | 2497 fps | 98.1% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 51,169 psi | 90% | 2592 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 50,299 psi | 89% | 2585 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 49,995 psi | 88% | 2638 fps | 97.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 32,053 psi | 57% | 2415 fps | 97.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 45,818 psi | 81% | 2408 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,522 psi | 68% | 2343 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 43,439 psi | 77% | 2461 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 43,439 psi | 77% | 2461 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 47,253 psi | 84% | 2457 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 36,434 psi | 64% | 2336 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 32,082 psi | 57% | 2310 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 42,047 psi | 74% | 2434 fps | 99% |
| ADI AR 2208 | <<locked>> | 80% | 35,810 psi | 63% | 2300 fps | 97% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,092 psi | 78% | 2444 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 44,048 psi | 78% | 2431 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 38,000 psi | 67% | 2457 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,244 psi | 62% | 2320 fps | 98.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,869 psi | 67% | 2375 fps | 97.8% |
| Alliant Reloder-16 | <<locked>> | 86% | 33,083 psi | 58% | 2326 fps | 95.4% |
| Alliant Reloder-17 | 46.5 gr | 80% | 30,371 psi | 54% | 2287 fps | 96.2% |
| Alliant Reloder-23 | <<locked>> | 94% | 29,994 psi | 53% | 2280 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 96% | 34,679 psi | 61% | 2448 fps | 95.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,104 psi | 73% | 2438 fps | 98% |
| Bofors RP3 | <<locked>> | 80% | 34,679 psi | 61% | 2323 fps | 98.4% |
| Bofors RP7 | <<locked>> | 92% | 46,050 psi | 81% | 2484 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,919 psi | 81% | 2431 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,583 psi | 75% | 2464 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,847 psi | 83% | 2592 fps | 99.4% |
| Hodgdon H322 | <<locked>> | 80% | 46,818 psi | 83% | 2477 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 35,679 psi | 63% | 2326 fps | 95.8% |
| Hodgdon H414 | <<locked>> | 88% | 40,872 psi | 72% | 2480 fps | 95% |
| Hodgdon H4350 | <<locked>> | 96% | 47,964 psi | 85% | 2552 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 42,409 psi | 75% | 2448 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 28,398 psi | 50% | 2182 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,143 psi | 64% | 2375 fps | 98.7% |
| Hodgdon Superformance | <<locked>> | 94% | 45,614 psi | 81% | 2582 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,150 psi | 46% | 1398 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,913 psi | 67% | 2346 fps | 98.6% |
| IMR 3031 | <<locked>> | 80% | 38,348 psi | 68% | 2382 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,244 psi | 62% | 2280 fps | 97.1% |
| IMR 4166 Enduron | <<locked>> | 86% | 42,090 psi | 74% | 2385 fps | 95.1% |
| IMR 4350 | <<locked>> | 96% | 45,977 psi | 81% | 2507 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 88% | 42,583 psi | 75% | 2425 fps | 95.1% |
| IMR 4831 | <<locked>> | 90% | 32,082 psi | 57% | 2290 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 38,783 psi | 69% | 2405 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 80% | 44,092 psi | 78% | 2444 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 40,973 psi | 72% | 2418 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 42,409 psi | 75% | 2379 fps | 99% |
| Lovex S062 | <<locked>> | 80% | 37,420 psi | 66% | 2333 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 36,927 psi | 65% | 2326 fps | 95.2% |
| Lovex S070 | <<locked>> | 92% | 42,018 psi | 74% | 2444 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 41,379 psi | 73% | 2395 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 41,510 psi | 73% | 2402 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,260 psi | 66% | 2365 fps | 98.1% |
| Norma URP | <<locked>> | 86% | 32,822 psi | 58% | 2313 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 36,637 psi | 65% | 2375 fps | 97.8% |
| Ramshot Hunter | <<locked>> | 92% | 38,972 psi | 69% | 2451 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 44,034 psi | 78% | 2448 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,439 psi | 77% | 2470 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,601 psi | 84% | 2487 fps | 99.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,469 psi | 47% | 1434 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 41,162 psi | 73% | 2408 fps | 95.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,479 psi | 70% | 2470 fps | 98.2% |
| ReloadSwiss RS 60 | 46.5 gr | 80% | 32,358 psi | 57% | 2349 fps | 99.2% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 34,360 psi | 61% | 2379 fps | 95.6% |
| ReloadSwiss RS 70 | 53.1 gr | 90% | 37,231 psi | 66% | 2438 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 45,208 psi | 80% | 2431 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,233 psi | 69% | 2349 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 80% | 32,576 psi | 58% | 2270 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 92% | 46,050 psi | 81% | 2484 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 86% | 36,927 psi | 65% | 2326 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,973 psi | 72% | 2418 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 37,420 psi | 66% | 2333 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 92% | 42,018 psi | 74% | 2444 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,721 psi | 60% | 2320 fps | 97% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,032 psi | 74% | 2421 fps | 97.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,683 psi | 72% | 2408 fps | 98.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,757 psi | 76% | 2349 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,418 psi | 63% | 2231 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 41,278 psi | 73% | 2372 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 47,543 psi | 84% | 2516 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 42,438 psi | 75% | 2356 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,872 psi | 74% | 2421 fps | 98.9% |
| Somchem S355 | <<locked>> | 80% | 33,707 psi | 60% | 2280 fps | 97.6% |
| Somchem S365 | <<locked>> | 82% | 25,933 psi | 46% | 2169 fps | 95.8% |
| Unknown powder | <<locked>> | 86% | 35,795 psi | 63% | 2365 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 80% | 42,989 psi | 76% | 2343 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,537 psi | 68% | 2333 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,160 psi | 69% | 2343 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,850 psi | 56% | 2221 fps | 98.3% |
| Vihtavuori N160 | <<locked>> | 86% | 34,316 psi | 61% | 2316 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 44,164 psi | 78% | 2441 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 80% | 37,753 psi | 67% | 2336 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 33,736 psi | 60% | 2320 fps | 95.3% |
| Vihtavuori N555 | <<locked>> | 92% | 30,052 psi | 53% | 2303 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 28,456 psi | 50% | 2149 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 46,920 psi | 83% | 2536 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 40,872 psi | 72% | 2480 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 96% | 28,297 psi | 50% | 2297 fps | 95.1% |
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 95 powders for 8 x 65 R loaded with the .323 | 200gr | Nosler Custom Competition. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,680 fps; across all powders the maximum-charge window runs from 1,568 fps to 2,680 fps. Alliant Reloder-16 gives the best case fill at 100 %, and 95 of the 95 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.323" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26 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 Reloder-17, ReloadSwiss RS 70 rank at the top here: for 8 x 65 R with the .323 | 200gr | Nosler Custom Competition 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.