Load Specifications
Load data in caliber .30-06 Spring. with .308 | 185gr | Reichenberg HDB Universal bullet and 97 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 Alliant Power Pro 2000-MR.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 50,923 psi | 87% | 2477 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 52,547 psi | 89% | 2543 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 51,779 psi | 88% | 2533 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 50,778 psi | 86% | 2552 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 52,446 psi | 89% | 2536 fps | 96.3% |
| Accurate 4064 | <<locked>> | 92% | 51,938 psi | 88% | 2579 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 51,314 psi | 87% | 2648 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 50,038 psi | 85% | 2562 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 92% | 51,213 psi | 87% | 2566 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 86% | 52,547 psi | 89% | 2569 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 52,837 psi | 90% | 2546 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 52,837 psi | 90% | 2720 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 50,633 psi | 86% | 2582 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 51,459 psi | 88% | 2605 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,125 psi | 85% | 2654 fps | 99.4% |
| Alliant Reloder-17 | <<locked>> | 96% | 51,126 psi | 87% | 2690 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,418 psi | 60% | 2402 fps | 97.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 39,059 psi | 66% | 2536 fps | 96.5% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 49,632 psi | 84% | 2575 fps | 99.1% |
| Bofors RP3 | <<locked>> | 92% | 50,923 psi | 87% | 2595 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 51,474 psi | 88% | 2562 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 84% | 51,430 psi | 88% | 2513 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 51,416 psi | 88% | 2592 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 49,951 psi | 85% | 2635 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 92% | 52,156 psi | 89% | 2605 fps | 99% |
| Hodgdon H414 | <<locked>> | 98% | 51,314 psi | 87% | 2648 fps | 97.2% |
| Hodgdon H4350 | <<locked>> | 96% | 52,431 psi | 89% | 2615 fps | 96% |
| Hodgdon H4895 | <<locked>> | 86% | 50,517 psi | 86% | 2572 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,340 psi | 79% | 2543 fps | 99.7% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 52,982 psi | 90% | 2651 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 52,170 psi | 89% | 2677 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,012 psi | 60% | 1575 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,098 psi | 89% | 2579 fps | 99.9% |
| IMR 3031 | <<locked>> | 86% | 50,270 psi | 86% | 2562 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 50,807 psi | 86% | 2549 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 88% | 51,082 psi | 87% | 2530 fps | 96.9% |
| IMR 4350ᴾ | <<locked>> | 100% | 51,576 psi | 88% | 2585 fps | 96.5% |
| IMR 4451 Enduron | <<locked>> | 94% | 50,459 psi | 86% | 2549 fps | 96.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 48,950 psi | 83% | 2595 fps | 99.1% |
| IMR 4895 | <<locked>> | 90% | 52,750 psi | 90% | 2631 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 86% | 52,547 psi | 89% | 2569 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 52,402 psi | 89% | 2552 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 52,533 psi | 89% | 2589 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 50,328 psi | 86% | 2503 fps | 99.7% |
| Lovex S062 | <<locked>> | 90% | 50,343 psi | 86% | 2549 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 52,533 psi | 89% | 2585 fps | 98.4% |
| Lovex S070ᴾ | <<locked>> | 100% | 53,156 psi | 90% | 2615 fps | 97.6% |
| Norma 201 | <<locked>> | 88% | 52,112 psi | 89% | 2562 fps | 100% |
| Norma 202 | <<locked>> | 88% | 52,504 psi | 89% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 90% | 50,633 psi | 86% | 2592 fps | 99.8% |
| Norma URPᴾ | <<locked>> | 100% | 50,836 psi | 87% | 2638 fps | 99.2% |
| Ramshot Big Game | <<locked>> | 90% | 50,850 psi | 87% | 2615 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,096 psi | 85% | 2635 fps | 97.8% |
| Ramshot TAC | <<locked>> | 86% | 52,852 psi | 90% | 2585 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 86% | 52,373 psi | 89% | 2602 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 50,401 psi | 86% | 2526 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,230 psi | 60% | 1608 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 52,286 psi | 89% | 2552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 52,663 psi | 90% | 2589 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 51,285 psi | 87% | 2657 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 51,068 psi | 87% | 2694 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,213 psi | 87% | 2671 fps | 99.1% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 51,663 psi | 88% | 2697 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 86% | 52,852 psi | 90% | 2543 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 52,649 psi | 90% | 2559 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 50,792 psi | 86% | 2589 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 96% | 51,474 psi | 88% | 2562 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 98% | 52,533 psi | 89% | 2585 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 88% | 52,533 psi | 89% | 2589 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 50,343 psi | 86% | 2549 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 53,156 psi | 90% | 2615 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 52,489 psi | 89% | 2644 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 51,053 psi | 87% | 2559 fps | 98.8% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 51,750 psi | 88% | 2585 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 50,676 psi | 86% | 2464 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 50,850 psi | 87% | 2467 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 53,142 psi | 90% | 2546 fps | 97.3% |
| Somchem S321 | <<locked>> | 82% | 50,082 psi | 85% | 2549 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 49,908 psi | 85% | 2464 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 50,589 psi | 86% | 2552 fps | 99.7% |
| Somchem S355 | <<locked>> | 94% | 51,300 psi | 87% | 2585 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 45,324 psi | 77% | 2592 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 50,618 psi | 86% | 2434 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 50,923 psi | 87% | 2454 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 52,156 psi | 89% | 2530 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 49,908 psi | 85% | 2503 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 52,692 psi | 90% | 2569 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 50,067 psi | 85% | 2589 fps | 99% |
| Vihtavuori N530 | <<locked>> | 86% | 52,968 psi | 90% | 2566 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 51,227 psi | 87% | 2543 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 52,663 psi | 90% | 2644 fps | 99.2% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,029 psi | 65% | 2470 fps | 97.6% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 50,778 psi | 86% | 2572 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 52,707 psi | 90% | 2612 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 51,590 psi | 88% | 2651 fps | 97.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 31,488 psi | 54% | 2379 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 88% | 51,692 psi | 88% | 2595 fps | 99.9% |
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% | 45,020 psi | 77% | 2395 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,168 psi | 84% | 2497 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 37,072 psi | 63% | 2316 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,338 psi | 75% | 2461 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 48,805 psi | 83% | 2480 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 35,070 psi | 60% | 2306 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 33,533 psi | 57% | 2333 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 41,292 psi | 70% | 2415 fps | 98.6% |
| ADI AR 2208 | <<locked>> | 80% | 35,259 psi | 60% | 2280 fps | 96.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,424 psi | 74% | 2428 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 80% | 43,149 psi | 73% | 2418 fps | 100% |
| Alliant Power Pro 2000-MR | 45.5 gr | 80% | 37,376 psi | 64% | 2434 fps | 96.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 34,403 psi | 59% | 2297 fps | 97.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,072 psi | 63% | 2352 fps | 97.2% |
| Alliant Reloder-16 | <<locked>> | 88% | 34,577 psi | 59% | 2352 fps | 95.6% |
| Alliant Reloder-17 | 44.8 gr | 80% | 29,617 psi | 50% | 2254 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 96% | 31,285 psi | 53% | 2303 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 98% | 36,477 psi | 62% | 2477 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 40,538 psi | 69% | 2421 fps | 97.5% |
| Bofors RP3 | <<locked>> | 80% | 33,765 psi | 57% | 2297 fps | 97.8% |
| Bofors RP7 | <<locked>> | 92% | 45,382 psi | 77% | 2464 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,455 psi | 77% | 2421 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 41,829 psi | 71% | 2444 fps | 99.7% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,354 psi | 79% | 2575 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 80% | 34,925 psi | 59% | 2303 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 94% | 44,846 psi | 76% | 2543 fps | 95.7% |
| Hodgdon H4350 | <<locked>> | 94% | 49,414 psi | 84% | 2566 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 41,669 psi | 71% | 2428 fps | 99.1% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 29,443 psi | 50% | 2201 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,550 psi | 64% | 2398 fps | 98.7% |
| Hodgdon Superformance | <<locked>> | 94% | 45,310 psi | 77% | 2566 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,976 psi | 44% | 1404 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,190 psi | 68% | 2385 fps | 98.8% |
| IMR 3031 | <<locked>> | 80% | 41,162 psi | 70% | 2428 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 36,970 psi | 63% | 2313 fps | 97.2% |
| IMR 4166 Enduron | <<locked>> | 84% | 44,875 psi | 76% | 2428 fps | 95.5% |
| IMR 4350 | <<locked>> | 96% | 45,498 psi | 77% | 2490 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 44,628 psi | 76% | 2454 fps | 95.3% |
| IMR 4831 | <<locked>> | 88% | 32,706 psi | 56% | 2297 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 37,971 psi | 65% | 2382 fps | 98% |
| IMR 8208 XBR | <<locked>> | 80% | 43,424 psi | 74% | 2428 fps | 99.6% |
| Lovex D073.5 | <<locked>> | 80% | 48,747 psi | 83% | 2500 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 39,914 psi | 68% | 2395 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 41,901 psi | 71% | 2365 fps | 98.7% |
| Lovex S062 | <<locked>> | 80% | 36,680 psi | 62% | 2316 fps | 98.7% |
| Lovex S065 | <<locked>> | 88% | 38,537 psi | 66% | 2352 fps | 95.3% |
| Lovex S070 | <<locked>> | 94% | 44,106 psi | 75% | 2474 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 40,379 psi | 69% | 2372 fps | 99.3% |
| Norma 202 | <<locked>> | 80% | 40,640 psi | 69% | 2385 fps | 100% |
| Norma 203B | <<locked>> | 80% | 36,434 psi | 62% | 2343 fps | 97.6% |
| Norma URP | <<locked>> | 88% | 34,316 psi | 58% | 2339 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 35,940 psi | 61% | 2352 fps | 97.2% |
| Ramshot Hunter | <<locked>> | 94% | 40,886 psi | 70% | 2474 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 43,453 psi | 74% | 2431 fps | 96.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 42,815 psi | 73% | 2451 fps | 98.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 46,992 psi | 80% | 2474 fps | 99.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,266 psi | 45% | 1440 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 48,950 psi | 83% | 2507 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 40,582 psi | 69% | 2388 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 38,653 psi | 66% | 2444 fps | 97.6% |
| ReloadSwiss RS 60 | 44.8 gr | 80% | 31,589 psi | 54% | 2320 fps | 98.7% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 36,085 psi | 61% | 2405 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 39,117 psi | 67% | 2467 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 44,135 psi | 75% | 2415 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 38,392 psi | 65% | 2329 fps | 99% |
| Rottweil R 903 | <<locked>> | 80% | 31,778 psi | 54% | 2244 fps | 96.9% |
| Rottweil R 907 | <<locked>> | 92% | 45,382 psi | 77% | 2464 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 88% | 38,537 psi | 66% | 2352 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 39,914 psi | 68% | 2395 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 36,680 psi | 62% | 2316 fps | 98.7% |
| Shooters World SW4350 | <<locked>> | 94% | 44,106 psi | 75% | 2474 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 32,880 psi | 56% | 2290 fps | 96.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 41,278 psi | 70% | 2402 fps | 96.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 39,871 psi | 68% | 2388 fps | 98.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,032 psi | 72% | 2336 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 34,708 psi | 59% | 2215 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 43,192 psi | 74% | 2395 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 46,876 psi | 80% | 2500 fps | 99.9% |
| Somchem S335 | <<locked>> | 80% | 41,539 psi | 71% | 2339 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,278 psi | 70% | 2405 fps | 98.5% |
| Somchem S355 | <<locked>> | 80% | 32,779 psi | 56% | 2254 fps | 96.9% |
| Somchem S365 | <<locked>> | 84% | 26,745 psi | 46% | 2185 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 47,659 psi | 81% | 2395 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,337 psi | 72% | 2333 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 37,695 psi | 64% | 2316 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,595 psi | 66% | 2329 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,198 psi | 53% | 2198 fps | 97.8% |
| Vihtavuori N160 | <<locked>> | 86% | 33,620 psi | 57% | 2290 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 43,511 psi | 74% | 2425 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 80% | 37,086 psi | 63% | 2316 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 88% | 35,215 psi | 60% | 2343 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 94% | 31,082 psi | 53% | 2320 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 29,631 psi | 50% | 2175 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 42,772 psi | 73% | 2464 fps | 99.9% |
| Winchester 760 | <<locked>> | 92% | 42,192 psi | 72% | 2493 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 98% | 29,515 psi | 50% | 2320 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,349 psi | 67% | 2395 fps | 98.7% |
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 97 powders for .30-06 Spring. loaded with the .308 | 185gr | Reichenberg HDB Universal. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,720 fps; across all powders the maximum-charge window runs from 1,575 fps to 2,720 fps. Accurate 4350 gives the best case fill at 100 %, and 97 of the 97 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 185.0 gr projectile in 0.308" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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, Alliant Power Pro 2000-MR rank at the top here: for .30-06 Spring. with the .308 | 185gr | Reichenberg HDB Universal 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.