Load Specifications
Load data in caliber .308 Win. Ackley Improved with .308 | 180gr | Sako Hammerhead bullet and 92 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 LEVERevolution.
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>> | 90% | 54,462 psi | 90% | 2523 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 52,895 psi | 88% | 2546 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 51,416 psi | 85% | 2536 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 54,360 psi | 90% | 2602 fps | 100% |
| Accurate 4064 | <<locked>> | 98% | 54,157 psi | 90% | 2612 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 43,076 psi | 72% | 2516 fps | 96.7% |
| Accurate LT-30 | <<locked>> | 82% | 51,372 psi | 85% | 2431 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 51,764 psi | 86% | 2451 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 53,417 psi | 89% | 2605 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 98% | 54,273 psi | 90% | 2598 fps | 99% |
| ADI AR 2219 | <<locked>> | 82% | 51,329 psi | 85% | 2539 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 52,997 psi | 88% | 2566 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 90% | 52,315 psi | 87% | 2552 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 54,346 psi | 90% | 2661 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 52,446 psi | 87% | 2697 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 53,287 psi | 89% | 2618 fps | 99.8% |
| Alliant Reloder-10x | <<locked>> | 84% | 51,416 psi | 85% | 2490 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 54,259 psi | 90% | 2638 fps | 99.2% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 43,613 psi | 72% | 2520 fps | 96.8% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 50,241 psi | 83% | 2667 fps | 99.4% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 53,519 psi | 89% | 2474 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 52,881 psi | 88% | 2615 fps | 98.6% |
| Bofors RP3 | <<locked>> | 98% | 53,301 psi | 89% | 2628 fps | 99.8% |
| Hodgdon Benchmark | <<locked>> | 88% | 52,098 psi | 87% | 2513 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 90% | 51,155 psi | 85% | 2592 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 88% | 53,011 psi | 88% | 2677 fps | 99.1% |
| Hodgdon H322 | <<locked>> | 86% | 53,476 psi | 89% | 2566 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 54,375 psi | 90% | 2592 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 51,808 psi | 86% | 2589 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 92% | 53,824 psi | 89% | 2615 fps | 99.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 39,798 psi | 66% | 2418 fps | 97.5% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 52,011 psi | 86% | 2638 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,389 psi | 57% | 1539 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 52,127 psi | 87% | 2572 fps | 99.5% |
| IMR 3031 | <<locked>> | 92% | 52,663 psi | 87% | 2602 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 53,925 psi | 90% | 2585 fps | 99.1% |
| IMR 4198 | <<locked>> | 84% | 51,880 psi | 86% | 2454 fps | 100% |
| IMR 4451 Enduronᴾ | <<locked>> | 100% | 53,461 psi | 89% | 2575 fps | 95.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 41,481 psi | 69% | 2470 fps | 96.4% |
| IMR 4895 | <<locked>> | 94% | 51,996 psi | 86% | 2618 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 90% | 52,997 psi | 88% | 2566 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 86% | 52,750 psi | 88% | 2556 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 52,011 psi | 86% | 2582 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 53,838 psi | 89% | 2539 fps | 99.4% |
| Lovex S062 | <<locked>> | 96% | 53,229 psi | 88% | 2582 fps | 99.9% |
| Lovex S065ᴾ | <<locked>> | 100% | 49,052 psi | 81% | 2523 fps | 96.4% |
| Norma 200 | <<locked>> | 82% | 54,389 psi | 90% | 2503 fps | 100% |
| Norma 201 | <<locked>> | 92% | 52,315 psi | 87% | 2559 fps | 99.8% |
| Norma 202 | <<locked>> | 92% | 52,431 psi | 87% | 2562 fps | 100% |
| Norma 203B | <<locked>> | 96% | 53,301 psi | 89% | 2625 fps | 99.4% |
| Norma URPᴾ | <<locked>> | 100% | 43,685 psi | 73% | 2516 fps | 96.7% |
| Ramshot Big Game | <<locked>> | 96% | 53,722 psi | 89% | 2651 fps | 99.3% |
| Ramshot TAC | <<locked>> | 90% | 53,403 psi | 89% | 2575 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 90% | 52,330 psi | 87% | 2595 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 88% | 54,186 psi | 90% | 2569 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,635 psi | 58% | 1575 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 52,765 psi | 88% | 2556 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 52,489 psi | 87% | 2572 fps | 96.4% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 53,838 psi | 89% | 2697 fps | 99.2% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 53,708 psi | 89% | 2726 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 43,004 psi | 71% | 2530 fps | 96.2% |
| Rottweil R 901 | <<locked>> | 90% | 53,258 psi | 88% | 2546 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 52,663 psi | 87% | 2552 fps | 99.8% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 53,142 psi | 88% | 2618 fps | 99.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 49,052 psi | 81% | 2523 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 92% | 52,011 psi | 86% | 2582 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 53,229 psi | 88% | 2582 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 52,504 psi | 87% | 2523 fps | 99.7% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 51,692 psi | 86% | 2549 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 51,459 psi | 85% | 2625 fps | 99.2% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 52,344 psi | 87% | 2510 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 51,343 psi | 85% | 2552 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 51,692 psi | 86% | 2575 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 54,418 psi | 90% | 2507 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 53,780 psi | 89% | 2503 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 53,998 psi | 90% | 2602 fps | 99.9% |
| Somchem S335 | <<locked>> | 92% | 53,592 psi | 89% | 2510 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 54,114 psi | 90% | 2595 fps | 99.3% |
| Somchem S355ᴾ | <<locked>> | 100% | 53,983 psi | 90% | 2618 fps | 99.6% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,682 psi | 64% | 2464 fps | 98.6% |
| Vihtavuori N130 | <<locked>> | 88% | 54,273 psi | 90% | 2480 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 54,259 psi | 90% | 2497 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 51,271 psi | 85% | 2526 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 52,982 psi | 88% | 2546 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 52,141 psi | 87% | 2559 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 46,064 psi | 77% | 2516 fps | 97.1% |
| Vihtavuori N530 | <<locked>> | 90% | 53,272 psi | 89% | 2566 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 94% | 50,966 psi | 85% | 2539 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 44,846 psi | 75% | 2520 fps | 96.7% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 47,384 psi | 79% | 2510 fps | 99% |
| Winchester 748 | <<locked>> | 90% | 52,098 psi | 87% | 2605 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 92% | 51,314 psi | 85% | 2585 fps | 99.5% |
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% | 40,103 psi | 67% | 2320 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 43,279 psi | 72% | 2405 fps | 99.9% |
| Accurate 2495 | <<locked>> | 80% | 32,474 psi | 54% | 2234 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 38,624 psi | 64% | 2362 fps | 99.3% |
| Accurate 4064 | <<locked>> | 80% | 30,748 psi | 51% | 2215 fps | 98.6% |
| Accurate 4350 | <<locked>> | 96% | 37,434 psi | 62% | 2411 fps | 95.1% |
| Accurate LT-30 | <<locked>> | 80% | 48,385 psi | 80% | 2388 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,776 psi | 81% | 2408 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 36,637 psi | 61% | 2313 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 84% | 35,578 psi | 59% | 2277 fps | 95% |
| ADI AR 2219 | <<locked>> | 80% | 48,254 psi | 80% | 2497 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,638 psi | 64% | 2333 fps | 98% |
| Alliant AR-Comp | <<locked>> | 80% | 37,420 psi | 62% | 2339 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,527 psi | 74% | 2507 fps | 98.7% |
| Alliant Power Pro 2000-MR | 42.3 gr | 84% | 37,695 psi | 63% | 2421 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,168 psi | 50% | 2195 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 45,498 psi | 76% | 2408 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 34,954 psi | 58% | 2300 fps | 95% |
| Alliant Reloder-16 | <<locked>> | 96% | 38,783 psi | 64% | 2425 fps | 95.2% |
| Alliant Reloder-17 | <<locked>> | 88% | 33,866 psi | 56% | 2346 fps | 95.3% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 47,224 psi | 78% | 2392 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 37,898 psi | 63% | 2359 fps | 95.3% |
| Bofors RP3 | <<locked>> | 82% | 31,430 psi | 52% | 2241 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,973 psi | 68% | 2333 fps | 98.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,593 psi | 61% | 2343 fps | 98.1% |
| Hodgdon CFE223 | <<locked>> | 80% | 40,045 psi | 67% | 2457 fps | 96.6% |
| Hodgdon H322 | <<locked>> | 80% | 44,092 psi | 73% | 2431 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 44,599 psi | 74% | 2451 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 39,784 psi | 66% | 2392 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 36,898 psi | 61% | 2326 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 33,214 psi | 55% | 2280 fps | 95.2% |
| Hodgdon LEVERevolution | 39.5 gr | 80% | 32,953 psi | 55% | 2290 fps | 96.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,469 psi | 42% | 1371 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,607 psi | 59% | 2287 fps | 96.4% |
| IMR 3031 | <<locked>> | 80% | 35,839 psi | 60% | 2336 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 34,853 psi | 58% | 2254 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 46,151 psi | 77% | 2375 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 50,415 psi | 84% | 2530 fps | 95% |
| IMR 4831 | <<locked>> | 98% | 38,754 psi | 64% | 2418 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 33,373 psi | 55% | 2277 fps | 95.2% |
| IMR 8208 XBR | <<locked>> | 80% | 38,638 psi | 64% | 2333 fps | 98% |
| Lovex D073.5 | <<locked>> | 80% | 43,134 psi | 72% | 2411 fps | 99.4% |
| Lovex D073.6 | <<locked>> | 80% | 34,911 psi | 58% | 2300 fps | 98.7% |
| Lovex S060 | <<locked>> | 80% | 37,652 psi | 63% | 2270 fps | 96.5% |
| Lovex S062 | <<locked>> | 80% | 32,474 psi | 54% | 2218 fps | 96.4% |
| Lovex S065 | <<locked>> | 96% | 43,323 psi | 72% | 2428 fps | 95% |
| Norma 200 | <<locked>> | 80% | 51,213 psi | 85% | 2464 fps | 100% |
| Norma 201 | <<locked>> | 80% | 36,013 psi | 60% | 2280 fps | 97.5% |
| Norma 202 | <<locked>> | 80% | 35,969 psi | 60% | 2293 fps | 99.3% |
| Norma 203B | <<locked>> | 82% | 34,287 psi | 57% | 2290 fps | 95.5% |
| Norma URP | <<locked>> | 96% | 38,435 psi | 64% | 2415 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 84% | 36,013 psi | 60% | 2346 fps | 95.7% |
| Ramshot TAC | <<locked>> | 84% | 43,874 psi | 73% | 2425 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,492 psi | 62% | 2343 fps | 96.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 42,003 psi | 70% | 2375 fps | 97.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,802 psi | 43% | 1407 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,540 psi | 72% | 2415 fps | 99.7% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 49,124 psi | 82% | 2520 fps | 95.6% |
| ReloadSwiss RS 52 | 40 gr | 82% | 35,795 psi | 59% | 2379 fps | 95.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 28,079 psi | 47% | 2198 fps | 95.2% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 40,480 psi | 67% | 2484 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 39,682 psi | 66% | 2329 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 80% | 34,374 psi | 57% | 2238 fps | 96.9% |
| Rottweil R 903 | <<locked>> | 84% | 31,560 psi | 52% | 2238 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 96% | 43,323 psi | 72% | 2428 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,911 psi | 58% | 2300 fps | 98.7% |
| Shooters World Precision | <<locked>> | 80% | 32,474 psi | 54% | 2218 fps | 96.4% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,948 psi | 76% | 2428 fps | 99% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,457 psi | 81% | 2503 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 35,201 psi | 58% | 2333 fps | 95.5% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 46,195 psi | 77% | 2425 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 41,713 psi | 69% | 2395 fps | 95.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,360 psi | 59% | 2290 fps | 95.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,855 psi | 63% | 2254 fps | 99.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,966 psi | 51% | 2133 fps | 99% |
| Somchem S321 | <<locked>> | 80% | 41,278 psi | 69% | 2402 fps | 98.8% |
| Somchem S335 | <<locked>> | 80% | 37,217 psi | 62% | 2257 fps | 99.8% |
| Somchem S341 | <<locked>> | 80% | 36,114 psi | 60% | 2297 fps | 95.9% |
| Somchem S355 | <<locked>> | 84% | 32,895 psi | 55% | 2251 fps | 95.6% |
| Somchem S365 | <<locked>> | 92% | 30,284 psi | 50% | 2267 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 42,960 psi | 71% | 2326 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,913 psi | 63% | 2257 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,083 psi | 55% | 2238 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 33,982 psi | 56% | 2238 fps | 99.2% |
| Vihtavuori N150 | <<locked>> | 82% | 29,269 psi | 49% | 2149 fps | 95.7% |
| Vihtavuori N160 | <<locked>> | 96% | 40,509 psi | 67% | 2421 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 38,421 psi | 64% | 2326 fps | 98% |
| Vihtavuori N540 | <<locked>> | 80% | 32,547 psi | 54% | 2221 fps | 98.5% |
| Vihtavuori N550 | <<locked>> | 96% | 39,494 psi | 66% | 2421 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 34,200 psi | 57% | 2260 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 37,333 psi | 62% | 2362 fps | 98.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,360 psi | 57% | 2287 fps | 96.2% |
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 92 powders for .308 Win. Ackley Improved loaded with the .308 | 180gr | Sako Hammerhead. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,726 fps; across all powders the maximum-charge window runs from 1,539 fps to 2,726 fps. Accurate 4350 gives the best case fill at 100 %, and 92 of the 92 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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 LEVERevolution rank at the top here: for .308 Win. Ackley Improved with the .308 | 180gr | Sako Hammerhead 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.