
Load Specifications
Load data in caliber .308 Win. Ackley Improved with .308 | 168gr | Hammer HHT bullet and 89 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 52 and Hodgdon CFE223.
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>> | 92% | 52,736 psi | 88% | 2595 fps | 100% |
| Accurate 2200 | <<locked>> | 84% | 53,679 psi | 89% | 2680 fps | 98.2% |
| Accurate 2230 | <<locked>> | 84% | 54,462 psi | 90% | 2694 fps | 98.6% |
| Accurate 2460 | <<locked>> | 88% | 51,271 psi | 85% | 2618 fps | 100% |
| Accurate 2495 | <<locked>> | 98% | 51,953 psi | 86% | 2644 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 52,272 psi | 87% | 2667 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 51,503 psi | 86% | 2674 fps | 100% |
| Accurate LT-30 | <<locked>> | 86% | 54,186 psi | 90% | 2556 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 51,387 psi | 85% | 2533 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 94% | 51,851 psi | 86% | 2667 fps | 98.7% |
| ADI AR 2207 | <<locked>> | 82% | 51,808 psi | 86% | 2533 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 52,721 psi | 88% | 2657 fps | 98.2% |
| ADI AR 2219 | <<locked>> | 86% | 53,911 psi | 90% | 2667 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 51,605 psi | 86% | 2635 fps | 99.4% |
| Alliant AR-Comp | <<locked>> | 94% | 53,693 psi | 89% | 2667 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 52,547 psi | 87% | 2730 fps | 99.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 51,445 psi | 85% | 2762 fps | 97.8% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 51,126 psi | 85% | 2674 fps | 99.2% |
| Alliant Reloder-10x | <<locked>> | 88% | 53,113 psi | 88% | 2608 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 98% | 52,504 psi | 87% | 2700 fps | 98.4% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 45,542 psi | 76% | 2664 fps | 98% |
| Alliant Reloder-7 | <<locked>> | 82% | 52,982 psi | 88% | 2549 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 86% | 52,837 psi | 88% | 2552 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 51,300 psi | 85% | 2677 fps | 97.6% |
| Bofors RP3ᴾ | <<locked>> | 100% | 51,111 psi | 85% | 2687 fps | 99.3% |
| Hodgdon Benchmark | <<locked>> | 92% | 54,070 psi | 90% | 2625 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 94% | 53,185 psi | 88% | 2710 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 90% | 51,256 psi | 85% | 2740 fps | 98.2% |
| Hodgdon H322 | <<locked>> | 88% | 52,402 psi | 87% | 2648 fps | 100% |
| Hodgdon H335 | <<locked>> | 88% | 53,229 psi | 88% | 2667 fps | 100% |
| Hodgdon H380ᴾ | <<locked>> | 100% | 53,359 psi | 89% | 2697 fps | 97.3% |
| Hodgdon H4198 | <<locked>> | 82% | 52,881 psi | 88% | 2556 fps | 100% |
| Hodgdon H4895 | <<locked>> | 94% | 52,214 psi | 87% | 2680 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 98% | 53,853 psi | 89% | 2756 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,663 psi | 56% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 96% | 54,012 psi | 90% | 2687 fps | 99.2% |
| IMR 3031 | <<locked>> | 96% | 54,128 psi | 90% | 2720 fps | 100% |
| IMR 4064 | <<locked>> | 98% | 52,156 psi | 87% | 2644 fps | 98.3% |
| IMR 4198 | <<locked>> | 88% | 54,215 psi | 90% | 2575 fps | 100% |
| IMR 4895 | <<locked>> | 98% | 53,766 psi | 89% | 2733 fps | 99% |
| IMR 8208 XBR | <<locked>> | 92% | 51,605 psi | 86% | 2635 fps | 99.4% |
| Lovex D073.4 | <<locked>> | 82% | 51,068 psi | 85% | 2621 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 88% | 51,140 psi | 85% | 2621 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 96% | 53,577 psi | 89% | 2697 fps | 100% |
| Lovex S060 | <<locked>> | 94% | 52,779 psi | 88% | 2608 fps | 98.7% |
| Lovex S062ᴾ | <<locked>> | 100% | 54,331 psi | 90% | 2687 fps | 99.7% |
| Norma 200 | <<locked>> | 84% | 52,881 psi | 88% | 2582 fps | 100% |
| Norma 201 | <<locked>> | 96% | 53,795 psi | 89% | 2667 fps | 99.6% |
| Norma 202 | <<locked>> | 96% | 54,056 psi | 90% | 2677 fps | 100% |
| Norma 203B | <<locked>> | 98% | 51,547 psi | 86% | 2690 fps | 98.7% |
| Ramshot Big Game | <<locked>> | 98% | 52,098 psi | 87% | 2710 fps | 98.5% |
| Ramshot TAC | <<locked>> | 92% | 52,141 psi | 87% | 2638 fps | 96.3% |
| Ramshot Wild Boar | <<locked>> | 94% | 54,375 psi | 90% | 2710 fps | 98.9% |
| Ramshot X-Terminator | <<locked>> | 90% | 53,272 psi | 89% | 2638 fps | 98.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,765 psi | 56% | 1617 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 51,430 psi | 85% | 2625 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 51,851 psi | 86% | 2756 fps | 98.3% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 48,762 psi | 81% | 2736 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 92% | 51,358 psi | 85% | 2612 fps | 100% |
| Rottweil R 902 | <<locked>> | 98% | 53,780 psi | 89% | 2657 fps | 99.6% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 47,427 psi | 79% | 2625 fps | 98.6% |
| Shooters World AR Plus | <<locked>> | 82% | 51,068 psi | 85% | 2621 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 96% | 53,577 psi | 89% | 2697 fps | 100% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 54,331 psi | 90% | 2687 fps | 99.7% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 51,634 psi | 86% | 2595 fps | 99.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 52,054 psi | 86% | 2297 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 86% | 54,099 psi | 90% | 2674 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 49,835 psi | 83% | 2687 fps | 98.3% |
| SNPE Vectan SP 3 | <<locked>> | 88% | 54,302 psi | 90% | 2628 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 53,243 psi | 88% | 2661 fps | 97.1% |
| SNPE Vectan SP 9 | <<locked>> | 96% | 53,635 psi | 89% | 2690 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 94% | 53,243 psi | 88% | 2582 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 52,547 psi | 87% | 2575 fps | 100% |
| Somchem S321 | <<locked>> | 90% | 52,388 psi | 87% | 2667 fps | 99.6% |
| Somchem S335 | <<locked>> | 94% | 51,779 psi | 86% | 2575 fps | 100% |
| Somchem S341 | <<locked>> | 94% | 52,547 psi | 87% | 2661 fps | 98.6% |
| Somchem S355ᴾ | <<locked>> | 100% | 48,660 psi | 81% | 2628 fps | 98.6% |
| Somchem S365ᴾ | <<locked>> | 100% | 34,737 psi | 58% | 2451 fps | 96.4% |
| Vihtavuori N120 | <<locked>> | 82% | 51,808 psi | 86% | 2484 fps | 100% |
| Vihtavuori N130 | <<locked>> | 90% | 53,403 psi | 89% | 2562 fps | 100% |
| Vihtavuori N133 | <<locked>> | 94% | 52,953 psi | 88% | 2572 fps | 100% |
| Vihtavuori N135 | <<locked>> | 98% | 52,562 psi | 87% | 2638 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 51,416 psi | 85% | 2615 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 46,934 psi | 78% | 2569 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 92% | 51,851 psi | 86% | 2631 fps | 99.4% |
| Vihtavuori N540 | <<locked>> | 98% | 52,866 psi | 88% | 2657 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 43,192 psi | 72% | 2510 fps | 97.3% |
| Winchester 748 | <<locked>> | 94% | 54,302 psi | 90% | 2726 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 96% | 53,171 psi | 88% | 2700 fps | 99.2% |
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% | 35,940 psi | 60% | 2333 fps | 99.9% |
| Accurate 2200 | <<locked>> | 80% | 46,949 psi | 78% | 2572 fps | 97% |
| Accurate 2230 | <<locked>> | 80% | 47,224 psi | 78% | 2585 fps | 97.5% |
| Accurate 2460 | <<locked>> | 80% | 38,798 psi | 64% | 2415 fps | 99.1% |
| Accurate 2495 | <<locked>> | 80% | 28,181 psi | 47% | 2228 fps | 99.1% |
| Accurate 2520 | <<locked>> | 80% | 34,272 psi | 57% | 2362 fps | 97.8% |
| Accurate 4064 | <<locked>> | 80% | 26,745 psi | 44% | 2201 fps | 96.4% |
| Accurate LT-30 | <<locked>> | 80% | 45,078 psi | 75% | 2425 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 45,440 psi | 75% | 2441 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 84% | 37,637 psi | 63% | 2418 fps | 95.6% |
| ADI AR 2207 | <<locked>> | 80% | 48,602 psi | 81% | 2490 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 38,783 psi | 64% | 2421 fps | 95% |
| ADI AR 2219 | <<locked>> | 80% | 43,845 psi | 73% | 2520 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 35,230 psi | 59% | 2343 fps | 96.2% |
| Alliant AR-Comp | <<locked>> | 80% | 33,243 psi | 55% | 2352 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 40,321 psi | 67% | 2520 fps | 97.1% |
| Alliant Power Pro 2000-MR | 44.8 gr | 90% | 41,916 psi | 70% | 2585 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 32,605 psi | 54% | 2336 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 41,481 psi | 69% | 2438 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 38,000 psi | 63% | 2448 fps | 95.1% |
| Alliant Reloder-17 | <<locked>> | 94% | 37,376 psi | 62% | 2500 fps | 95.5% |
| Alliant Reloder-7 | <<locked>> | 80% | 49,472 psi | 82% | 2503 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 43,598 psi | 72% | 2421 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 41,945 psi | 70% | 2516 fps | 95.5% |
| Bofors RP3 | <<locked>> | 88% | 33,794 psi | 56% | 2379 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 37,463 psi | 62% | 2349 fps | 97.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 32,634 psi | 54% | 2343 fps | 96.1% |
| Hodgdon CFE223 | 41.8 gr | 82% | 38,943 psi | 65% | 2516 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 80% | 39,943 psi | 66% | 2451 fps | 99.8% |
| Hodgdon H335 | <<locked>> | 80% | 40,422 psi | 67% | 2467 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 94% | 43,758 psi | 73% | 2543 fps | 95.2% |
| Hodgdon H4198 | <<locked>> | 80% | 49,705 psi | 83% | 2513 fps | 100% |
| Hodgdon H4895 | <<locked>> | 82% | 35,549 psi | 59% | 2382 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 33,866 psi | 56% | 2388 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,947 psi | 41% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 34,534 psi | 57% | 2343 fps | 95% |
| IMR 3031 | <<locked>> | 80% | 31,821 psi | 53% | 2343 fps | 99.2% |
| IMR 4064 | <<locked>> | 88% | 38,203 psi | 63% | 2405 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 42,598 psi | 71% | 2411 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 36,492 psi | 61% | 2428 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 80% | 35,230 psi | 59% | 2343 fps | 96.2% |
| Lovex D073.4 | <<locked>> | 80% | 47,529 psi | 79% | 2569 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 80% | 38,682 psi | 64% | 2415 fps | 98.1% |
| Lovex D073.6 | <<locked>> | 80% | 30,763 psi | 51% | 2293 fps | 96.7% |
| Lovex S060 | <<locked>> | 82% | 36,767 psi | 61% | 2329 fps | 95.2% |
| Lovex S062 | <<locked>> | 84% | 33,025 psi | 55% | 2313 fps | 95.6% |
| Norma 200 | <<locked>> | 80% | 46,644 psi | 77% | 2497 fps | 100% |
| Norma 201 | <<locked>> | 80% | 32,445 psi | 54% | 2283 fps | 95.4% |
| Norma 202 | <<locked>> | 80% | 32,401 psi | 54% | 2303 fps | 97.9% |
| Norma 203B | <<locked>> | 88% | 37,231 psi | 62% | 2438 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 88% | 37,188 psi | 62% | 2448 fps | 95% |
| Ramshot TAC | <<locked>> | 90% | 48,805 psi | 81% | 2585 fps | 95.6% |
| Ramshot Wild Boar | <<locked>> | 82% | 36,143 psi | 60% | 2398 fps | 95% |
| Ramshot X-Terminator | <<locked>> | 80% | 38,319 psi | 64% | 2385 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,903 psi | 41% | 1444 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,581 psi | 66% | 2431 fps | 98.6% |
| ReloadSwiss RS 52 | 42.4 gr | 88% | 39,262 psi | 65% | 2533 fps | 95.4% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 30,574 psi | 51% | 2339 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 35,708 psi | 59% | 2339 fps | 98.4% |
| Rottweil R 902 | <<locked>> | 82% | 32,692 psi | 54% | 2280 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 90% | 33,953 psi | 56% | 2375 fps | 95.2% |
| Shooters World AR Plus | <<locked>> | 80% | 47,529 psi | 79% | 2569 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,763 psi | 51% | 2293 fps | 96.7% |
| Shooters World Precision | <<locked>> | 84% | 33,025 psi | 55% | 2313 fps | 95.6% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 41,930 psi | 70% | 2441 fps | 97.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 49,617 psi | 82% | 2267 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 44,121 psi | 73% | 2523 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 38,508 psi | 64% | 2484 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 42,003 psi | 70% | 2448 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 46,296 psi | 77% | 2556 fps | 95.6% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 36,245 psi | 60% | 2388 fps | 95% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,287 psi | 57% | 2264 fps | 98.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,731 psi | 46% | 2136 fps | 97.3% |
| Somchem S321 | <<locked>> | 80% | 37,246 psi | 62% | 2408 fps | 97.2% |
| Somchem S335 | <<locked>> | 80% | 33,779 psi | 56% | 2274 fps | 98.8% |
| Somchem S341 | <<locked>> | 84% | 37,289 psi | 62% | 2402 fps | 95.2% |
| Somchem S355 | <<locked>> | 90% | 35,302 psi | 59% | 2385 fps | 95.4% |
| Somchem S365 | <<locked>> | 98% | 32,474 psi | 54% | 2395 fps | 95.4% |
| Vihtavuori N120 | <<locked>> | 80% | 48,646 psi | 81% | 2444 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 39,102 psi | 65% | 2349 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 34,287 psi | 57% | 2274 fps | 99.8% |
| Vihtavuori N135 | <<locked>> | 80% | 29,196 psi | 49% | 2238 fps | 99.2% |
| Vihtavuori N140 | <<locked>> | 80% | 30,589 psi | 51% | 2244 fps | 97.7% |
| Vihtavuori N150 | <<locked>> | 88% | 31,676 psi | 53% | 2287 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 34,925 psi | 58% | 2336 fps | 96.2% |
| Vihtavuori N540 | <<locked>> | 80% | 29,254 psi | 49% | 2228 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 37,594 psi | 62% | 2402 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 33,504 psi | 56% | 2362 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 84% | 35,346 psi | 59% | 2388 fps | 95.5% |
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 112 powders for .308 Win. Ackley Improved loaded with the .308 | 168gr | Hammer HHT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,762 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,762 fps. Accurate 4064 gives the best case fill at 100 %, and 112 of the 112 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.308" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 4064, Accurate 4350, ADI AR 2208 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 52, Hodgdon CFE223 rank at the top here: for .308 Win. Ackley Improved with the .308 | 168gr | Hammer HHT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Accurate 4350, Alliant Reloder-16 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.