Load Specifications
Load data in caliber .30-06 Ackley Improved with .308 | 200gr | NorthFork Bonded Core bullet and 98 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, 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.
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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% | 55,564 psi | 89% | 2448 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 54,172 psi | 87% | 2474 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 55,811 psi | 89% | 2533 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 53,243 psi | 85% | 2480 fps | 97.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 40,973 psi | 66% | 2392 fps | 96.7% |
| Accurate 4064 | <<locked>> | 90% | 54,302 psi | 87% | 2520 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 53,548 psi | 86% | 2598 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 86% | 54,418 psi | 87% | 2546 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 55,448 psi | 89% | 2546 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 84% | 53,708 psi | 86% | 2503 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 54,578 psi | 88% | 2474 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 53,940 psi | 86% | 2657 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 55,608 psi | 89% | 2569 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 56,086 psi | 90% | 2589 fps | 100% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 54,940 psi | 88% | 2651 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 96% | 56,231 psi | 90% | 2684 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 39,218 psi | 63% | 2418 fps | 99.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 43,830 psi | 70% | 2569 fps | 98.8% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 54,288 psi | 87% | 2566 fps | 99.9% |
| Bofors RP3 | <<locked>> | 92% | 56,057 psi | 90% | 2582 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 56,188 psi | 90% | 2559 fps | 98.1% |
| Hodgdon Benchmark | <<locked>> | 84% | 55,390 psi | 89% | 2484 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 52,750 psi | 85% | 2530 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 54,766 psi | 88% | 2621 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 53,679 psi | 86% | 2552 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 96% | 52,924 psi | 85% | 2598 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 94% | 53,751 psi | 86% | 2562 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 86% | 55,013 psi | 88% | 2556 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 51,024 psi | 82% | 2533 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 54,259 psi | 87% | 2585 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 53,447 psi | 86% | 2631 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,621 psi | 57% | 1529 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 56,362 psi | 90% | 2559 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 55,259 psi | 89% | 2536 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 55,129 psi | 88% | 2533 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 55,013 psi | 88% | 2516 fps | 98.4% |
| IMR 4350ᴾ | <<locked>> | 100% | 56,260 psi | 90% | 2582 fps | 98.2% |
| IMR 4451 Enduron | <<locked>> | 94% | 54,766 psi | 88% | 2543 fps | 98.3% |
| IMR 4831ᴾ | <<locked>> | 100% | 54,288 psi | 87% | 2595 fps | 99.9% |
| IMR 4895 | <<locked>> | 88% | 53,954 psi | 87% | 2569 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 53,708 psi | 86% | 2503 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 54,389 psi | 87% | 2526 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 54,201 psi | 87% | 2480 fps | 100% |
| Lovex S062 | <<locked>> | 90% | 54,926 psi | 88% | 2530 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 53,940 psi | 86% | 2533 fps | 99.2% |
| Lovex S070 | <<locked>> | 98% | 54,969 psi | 88% | 2569 fps | 98.6% |
| Norma 201 | <<locked>> | 86% | 53,258 psi | 85% | 2497 fps | 100% |
| Norma 202 | <<locked>> | 86% | 53,925 psi | 86% | 2497 fps | 100% |
| Norma 203B | <<locked>> | 90% | 55,259 psi | 89% | 2575 fps | 100% |
| Norma 204 | <<locked>> | 98% | 53,490 psi | 86% | 2582 fps | 96.5% |
| Norma MRPᴾ | <<locked>> | 100% | 43,903 psi | 70% | 2530 fps | 96.2% |
| Norma URPᴾ | <<locked>> | 100% | 56,159 psi | 90% | 2635 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 90% | 55,869 psi | 90% | 2602 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 55,071 psi | 88% | 2638 fps | 99.2% |
| Ramshot TAC | <<locked>> | 84% | 53,679 psi | 86% | 2523 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 84% | 53,417 psi | 86% | 2539 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 54,404 psi | 87% | 2507 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,260 psi | 58% | 1568 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 53,954 psi | 87% | 2536 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 53,142 psi | 85% | 2602 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 56,144 psi | 90% | 2684 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 53,330 psi | 86% | 2625 fps | 99.7% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 52,939 psi | 85% | 2648 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 84% | 54,491 psi | 87% | 2477 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 53,824 psi | 86% | 2497 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 55,898 psi | 90% | 2575 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 56,188 psi | 90% | 2559 fps | 98.1% |
| Shooters World Long Rifle | <<locked>> | 96% | 53,940 psi | 86% | 2533 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 86% | 54,389 psi | 87% | 2526 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 54,926 psi | 88% | 2530 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 54,969 psi | 88% | 2569 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 54,056 psi | 87% | 2585 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 55,666 psi | 89% | 2549 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 56,434 psi | 90% | 2569 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 54,839 psi | 88% | 2438 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 55,056 psi | 88% | 2438 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 54,331 psi | 87% | 2493 fps | 98.3% |
| Somchem S321 | <<locked>> | 82% | 54,795 psi | 88% | 2533 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 54,143 psi | 87% | 2438 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 55,405 psi | 89% | 2543 fps | 100% |
| Somchem S355 | <<locked>> | 94% | 56,362 psi | 90% | 2572 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 50,575 psi | 81% | 2589 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 47,065 psi | 75% | 2484 fps | 96.5% |
| Vihtavuori N130 | <<locked>> | 82% | 54,766 psi | 88% | 2402 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 55,100 psi | 88% | 2425 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 53,534 psi | 86% | 2461 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 54,331 psi | 87% | 2477 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 54,157 psi | 87% | 2507 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 55,187 psi | 88% | 2585 fps | 99.8% |
| Vihtavuori N530 | <<locked>> | 84% | 54,128 psi | 87% | 2503 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 55,999 psi | 90% | 2523 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 54,302 psi | 87% | 2592 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 43,134 psi | 69% | 2490 fps | 99.2% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 55,637 psi | 89% | 2566 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 53,969 psi | 87% | 2546 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 53,272 psi | 85% | 2602 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 35,172 psi | 56% | 2431 fps | 99.4% |
| Winchester StaBALL Match | <<locked>> | 88% | 56,304 psi | 90% | 2575 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% | 49,095 psi | 79% | 2365 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 41,945 psi | 67% | 2310 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 48,965 psi | 79% | 2448 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 43,801 psi | 70% | 2333 fps | 95.3% |
| Accurate 3100 | <<locked>> | 96% | 35,621 psi | 57% | 2290 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 39,682 psi | 64% | 2310 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 31,038 psi | 50% | 2201 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 45,266 psi | 73% | 2408 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 38,435 psi | 62% | 2274 fps | 98.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 47,326 psi | 76% | 2411 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 47,819 psi | 77% | 2392 fps | 100% |
| Alliant Power Pro 2000-MR | 46 gr | 80% | 41,104 psi | 66% | 2441 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 38,174 psi | 61% | 2297 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 40,973 psi | 66% | 2352 fps | 98.8% |
| Alliant Reloder-16 | <<locked>> | 82% | 31,560 psi | 51% | 2211 fps | 95.5% |
| Alliant Reloder-17 | 45.3 gr | 80% | 32,895 psi | 53% | 2274 fps | 97.9% |
| Alliant Reloder-23 | <<locked>> | 88% | 27,325 psi | 44% | 2133 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 92% | 33,141 psi | 53% | 2336 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 44,425 psi | 71% | 2415 fps | 99% |
| Bofors RP3 | <<locked>> | 80% | 37,898 psi | 61% | 2303 fps | 99.3% |
| Bofors RP7 | <<locked>> | 88% | 43,787 psi | 70% | 2369 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 48,907 psi | 78% | 2395 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 46,137 psi | 74% | 2434 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 51,010 psi | 82% | 2569 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 80% | 38,522 psi | 62% | 2303 fps | 97.2% |
| Hodgdon H414 | <<locked>> | 88% | 40,828 psi | 65% | 2398 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 88% | 44,425 psi | 71% | 2415 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 45,672 psi | 73% | 2418 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 27,209 psi | 44% | 2077 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 41,597 psi | 67% | 2395 fps | 99.8% |
| Hodgdon Superformance | 53.9 gr | 90% | 43,236 psi | 69% | 2464 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,629 psi | 43% | 1365 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 43,903 psi | 70% | 2375 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 45,629 psi | 73% | 2408 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 40,364 psi | 65% | 2303 fps | 98.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,815 psi | 69% | 2323 fps | 96% |
| IMR 4350 | <<locked>> | 92% | 43,932 psi | 70% | 2395 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 84% | 40,306 psi | 65% | 2306 fps | 95.2% |
| IMR 4831 | <<locked>> | 82% | 30,226 psi | 48% | 2165 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 41,959 psi | 67% | 2382 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 80% | 47,326 psi | 76% | 2411 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 44,411 psi | 71% | 2388 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 45,136 psi | 72% | 2349 fps | 99.6% |
| Lovex S062 | <<locked>> | 80% | 40,335 psi | 65% | 2306 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 35,288 psi | 57% | 2215 fps | 95.2% |
| Lovex S070 | <<locked>> | 88% | 40,263 psi | 65% | 2333 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 44,483 psi | 71% | 2365 fps | 100% |
| Norma 202 | <<locked>> | 80% | 44,701 psi | 72% | 2369 fps | 100% |
| Norma 203B | <<locked>> | 80% | 40,321 psi | 65% | 2343 fps | 99.1% |
| Norma 204 | <<locked>> | 96% | 49,777 psi | 80% | 2526 fps | 95.7% |
| Norma MRP | <<locked>> | 98% | 40,915 psi | 66% | 2470 fps | 95.2% |
| Norma URP | <<locked>> | 82% | 31,546 psi | 51% | 2205 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 39,769 psi | 64% | 2356 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 88% | 37,391 psi | 60% | 2336 fps | 95.4% |
| Ramshot TAC | <<locked>> | 80% | 47,224 psi | 76% | 2425 fps | 98.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 46,833 psi | 75% | 2441 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 50,879 psi | 82% | 2454 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,818 psi | 43% | 1394 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 38,957 psi | 62% | 2287 fps | 95.6% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 43,149 psi | 69% | 2448 fps | 99.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 35,012 psi | 56% | 2333 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 32,909 psi | 53% | 2264 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 35,433 psi | 57% | 2323 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 48,283 psi | 77% | 2392 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,395 psi | 68% | 2323 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 35,563 psi | 57% | 2251 fps | 98.7% |
| Rottweil R 907 | <<locked>> | 88% | 43,787 psi | 70% | 2369 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 82% | 35,288 psi | 57% | 2215 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 44,411 psi | 71% | 2388 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 40,335 psi | 65% | 2306 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 88% | 40,263 psi | 65% | 2333 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 36,463 psi | 58% | 2297 fps | 98.3% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 45,629 psi | 73% | 2405 fps | 98.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 43,685 psi | 70% | 2382 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 45,832 psi | 73% | 2316 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,189 psi | 61% | 2201 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 39,160 psi | 63% | 2257 fps | 95% |
| Somchem S321 | <<locked>> | 80% | 51,169 psi | 82% | 2484 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 45,397 psi | 73% | 2320 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 45,252 psi | 73% | 2398 fps | 99.6% |
| Somchem S355 | <<locked>> | 80% | 36,550 psi | 59% | 2260 fps | 98.7% |
| Somchem S365 | <<locked>> | 80% | 26,542 psi | 43% | 2113 fps | 96.8% |
| Somchem S385 | <<locked>> | 96% | 41,321 psi | 66% | 2388 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 51,663 psi | 83% | 2365 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 46,180 psi | 74% | 2310 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 41,916 psi | 67% | 2303 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,221 psi | 68% | 2310 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,577 psi | 55% | 2198 fps | 99.2% |
| Vihtavuori N160 | <<locked>> | 82% | 32,953 psi | 53% | 2208 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 47,500 psi | 76% | 2408 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 40,596 psi | 65% | 2303 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 32,445 psi | 52% | 2211 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 88% | 29,196 psi | 47% | 2198 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 30,676 psi | 49% | 2139 fps | 97.1% |
| Winchester 748 | <<locked>> | 80% | 47,079 psi | 75% | 2451 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 40,828 psi | 65% | 2398 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 92% | 27,267 psi | 44% | 2198 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 43,337 psi | 69% | 2388 fps | 99.7% |
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 98 powders for .30-06 Ackley Improved loaded with the .308 | 200gr | NorthFork Bonded Core. Alliant Reloder-17 delivers the highest muzzle velocity at 2,684 fps; across all powders the maximum-charge window runs from 1,529 fps to 2,684 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, 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. Alliant Power Pro 2000-MR, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .30-06 Ackley Improved with the .308 | 200gr | NorthFork Bonded Core 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.