Load Specifications
Load data in caliber .308 Win. Ackley Improved with .311 | 174gr | Prvi Partizan FMJ BT 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, Hodgdon CFE223 and ReloadSwiss RS 52.
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>> | 92% | 54,273 psi | 90% | 2549 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 51,430 psi | 85% | 2582 fps | 98% |
| Accurate 2230 | <<locked>> | 82% | 51,851 psi | 86% | 2592 fps | 98.4% |
| Accurate 2460 | <<locked>> | 88% | 52,765 psi | 88% | 2572 fps | 100% |
| Accurate 2495 | <<locked>> | 98% | 54,012 psi | 90% | 2602 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 53,867 psi | 89% | 2625 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 53,490 psi | 89% | 2635 fps | 100% |
| Accurate LT-30 | <<locked>> | 84% | 52,069 psi | 87% | 2464 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 52,489 psi | 87% | 2484 fps | 100% |
| ADI AR 2206H | <<locked>> | 94% | 53,040 psi | 88% | 2621 fps | 98.9% |
| ADI AR 2207 | <<locked>> | 82% | 52,924 psi | 88% | 2480 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 53,954 psi | 90% | 2615 fps | 98.5% |
| ADI AR 2219 | <<locked>> | 84% | 51,372 psi | 85% | 2569 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 52,707 psi | 88% | 2585 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 92% | 51,343 psi | 85% | 2572 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 53,954 psi | 90% | 2684 fps | 99.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 52,504 psi | 87% | 2713 fps | 98.2% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 52,620 psi | 87% | 2635 fps | 99.4% |
| Alliant Reloder-10x | <<locked>> | 88% | 54,259 psi | 90% | 2559 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 98% | 53,621 psi | 89% | 2651 fps | 98.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 46,775 psi | 78% | 2625 fps | 98.4% |
| Alliant Reloder-7 | <<locked>> | 82% | 54,273 psi | 90% | 2503 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 86% | 54,070 psi | 90% | 2507 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 52,765 psi | 88% | 2635 fps | 98% |
| Bofors RP3ᴾ | <<locked>> | 100% | 52,591 psi | 87% | 2644 fps | 99.5% |
| Hodgdon Benchmark | <<locked>> | 90% | 52,127 psi | 87% | 2536 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 94% | 54,447 psi | 90% | 2661 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 90% | 52,634 psi | 87% | 2694 fps | 98.6% |
| Hodgdon H322 | <<locked>> | 88% | 53,650 psi | 89% | 2598 fps | 100% |
| Hodgdon H335 | <<locked>> | 88% | 54,433 psi | 90% | 2618 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 51,314 psi | 85% | 2605 fps | 97.1% |
| Hodgdon H4198 | <<locked>> | 82% | 53,867 psi | 89% | 2507 fps | 100% |
| Hodgdon H4895 | <<locked>> | 94% | 53,461 psi | 89% | 2635 fps | 99.3% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 51,764 psi | 86% | 2657 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,055 psi | 57% | 1542 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 51,895 psi | 86% | 2592 fps | 99.1% |
| IMR 3031 | <<locked>> | 94% | 52,257 psi | 87% | 2628 fps | 100% |
| IMR 4064 | <<locked>> | 98% | 53,388 psi | 89% | 2598 fps | 98.6% |
| IMR 4198 | <<locked>> | 86% | 51,822 psi | 86% | 2480 fps | 100% |
| IMR 4895 | <<locked>> | 96% | 51,532 psi | 86% | 2635 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 92% | 52,707 psi | 88% | 2585 fps | 99.6% |
| Lovex D073.4 | <<locked>> | 82% | 52,591 psi | 87% | 2575 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 52,649 psi | 87% | 2579 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 94% | 51,488 psi | 86% | 2602 fps | 100% |
| Lovex S060 | <<locked>> | 94% | 54,143 psi | 90% | 2566 fps | 99% |
| Lovex S062 | <<locked>> | 98% | 52,489 psi | 87% | 2598 fps | 99.6% |
| Norma 200 | <<locked>> | 84% | 54,288 psi | 90% | 2533 fps | 100% |
| Norma 201 | <<locked>> | 94% | 51,953 psi | 86% | 2575 fps | 99.5% |
| Norma 202 | <<locked>> | 94% | 52,025 psi | 86% | 2585 fps | 100% |
| Norma 203B | <<locked>> | 98% | 52,620 psi | 87% | 2638 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 98% | 53,026 psi | 88% | 2661 fps | 98.8% |
| Ramshot TAC | <<locked>> | 92% | 53,447 psi | 89% | 2595 fps | 96.7% |
| Ramshot Wild Boar | <<locked>> | 92% | 52,185 psi | 87% | 2615 fps | 98.8% |
| Ramshot X-Terminator | <<locked>> | 90% | 54,462 psi | 90% | 2592 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,258 psi | 57% | 1581 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 52,736 psi | 88% | 2579 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 53,301 psi | 89% | 2713 fps | 98.6% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 49,966 psi | 83% | 2694 fps | 100% |
| Rottweil R 901 | <<locked>> | 92% | 53,011 psi | 88% | 2569 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 52,286 psi | 87% | 2572 fps | 99.5% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 49,139 psi | 82% | 2585 fps | 98.9% |
| Shooters World AR Plus | <<locked>> | 82% | 52,591 psi | 87% | 2575 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 94% | 51,488 psi | 86% | 2602 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 52,489 psi | 87% | 2598 fps | 99.6% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 52,692 psi | 88% | 2549 fps | 99.3% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 53,243 psi | 88% | 2247 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 51,924 psi | 86% | 2579 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 51,024 psi | 85% | 2641 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 52,243 psi | 87% | 2536 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 51,169 psi | 85% | 2569 fps | 96.9% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 51,430 psi | 85% | 2595 fps | 98.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 51,198 psi | 85% | 2490 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 53,679 psi | 89% | 2526 fps | 100% |
| Somchem S321 | <<locked>> | 90% | 53,809 psi | 89% | 2625 fps | 99.8% |
| Somchem S335 | <<locked>> | 94% | 53,301 psi | 89% | 2533 fps | 100% |
| Somchem S341 | <<locked>> | 94% | 54,041 psi | 90% | 2618 fps | 98.9% |
| Somchem S355ᴾ | <<locked>> | 100% | 50,140 psi | 83% | 2589 fps | 98.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 35,839 psi | 60% | 2418 fps | 97% |
| Vihtavuori N120 | <<locked>> | 82% | 52,881 psi | 88% | 2434 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 51,314 psi | 85% | 2470 fps | 100% |
| Vihtavuori N133 | <<locked>> | 94% | 54,273 psi | 90% | 2523 fps | 100% |
| Vihtavuori N135 | <<locked>> | 98% | 53,882 psi | 90% | 2589 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 52,692 psi | 88% | 2566 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 48,414 psi | 80% | 2533 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 92% | 53,403 psi | 89% | 2589 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 98% | 53,998 psi | 90% | 2605 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 44,150 psi | 73% | 2470 fps | 97.7% |
| Winchester 748 | <<locked>> | 92% | 51,953 psi | 86% | 2631 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 96% | 54,317 psi | 90% | 2651 fps | 99.4% |
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% | 37,536 psi | 62% | 2300 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 48,211 psi | 80% | 2530 fps | 97.4% |
| Accurate 2230 | <<locked>> | 80% | 48,573 psi | 81% | 2543 fps | 97.9% |
| Accurate 2460 | <<locked>> | 80% | 40,466 psi | 67% | 2382 fps | 99.4% |
| Accurate 2495 | <<locked>> | 80% | 29,950 psi | 50% | 2208 fps | 99.5% |
| Accurate 2520 | <<locked>> | 80% | 35,621 psi | 59% | 2329 fps | 98.3% |
| Accurate 4064 | <<locked>> | 80% | 28,384 psi | 47% | 2185 fps | 97.3% |
| Accurate LT-30 | <<locked>> | 80% | 45,977 psi | 76% | 2379 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 46,340 psi | 77% | 2392 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 36,637 psi | 61% | 2336 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 50,024 psi | 83% | 2444 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 39,856 psi | 66% | 2382 fps | 95.5% |
| ADI AR 2219 | <<locked>> | 80% | 44,846 psi | 75% | 2470 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 36,390 psi | 60% | 2306 fps | 96.7% |
| Alliant AR-Comp | <<locked>> | 80% | 34,693 psi | 58% | 2320 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 41,626 psi | 69% | 2480 fps | 97.6% |
| Alliant Power Pro 2000-MR | 42.6 gr | 88% | 40,219 psi | 67% | 2490 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 33,779 psi | 56% | 2303 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 42,656 psi | 71% | 2392 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 39,291 psi | 65% | 2411 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 92% | 36,085 psi | 60% | 2411 fps | 95.2% |
| Alliant Reloder-7 | <<locked>> | 80% | 51,039 psi | 85% | 2461 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 44,570 psi | 74% | 2375 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 40,553 psi | 67% | 2431 fps | 95.3% |
| Bofors RP3 | <<locked>> | 86% | 33,054 psi | 55% | 2303 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 38,537 psi | 64% | 2310 fps | 97.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 33,837 psi | 56% | 2310 fps | 96.7% |
| Hodgdon CFE223 | 40.6 gr | 82% | 39,958 psi | 66% | 2474 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 80% | 41,118 psi | 68% | 2411 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 80% | 41,597 psi | 69% | 2425 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 94% | 44,831 psi | 74% | 2500 fps | 95.6% |
| Hodgdon H4198 | <<locked>> | 80% | 50,589 psi | 84% | 2461 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 34,606 psi | 57% | 2300 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 32,721 psi | 54% | 2303 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,411 psi | 42% | 1381 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 35,433 psi | 59% | 2303 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 33,011 psi | 55% | 2306 fps | 99.5% |
| IMR 4064 | <<locked>> | 88% | 39,276 psi | 65% | 2365 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 43,642 psi | 73% | 2365 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 35,418 psi | 59% | 2346 fps | 95.2% |
| IMR 8208 XBR | <<locked>> | 80% | 36,390 psi | 60% | 2306 fps | 96.7% |
| Lovex D073.4 | <<locked>> | 80% | 49,313 psi | 82% | 2530 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 80% | 40,132 psi | 67% | 2382 fps | 98.6% |
| Lovex D073.6 | <<locked>> | 80% | 32,271 psi | 54% | 2270 fps | 97.4% |
| Lovex S060 | <<locked>> | 80% | 35,578 psi | 59% | 2244 fps | 95% |
| Lovex S062 | <<locked>> | 82% | 32,271 psi | 54% | 2234 fps | 95.5% |
| Norma 200 | <<locked>> | 80% | 48,225 psi | 80% | 2454 fps | 100% |
| Norma 201 | <<locked>> | 80% | 33,808 psi | 56% | 2254 fps | 96.1% |
| Norma 202 | <<locked>> | 80% | 33,620 psi | 56% | 2270 fps | 98.4% |
| Norma 203B | <<locked>> | 86% | 36,172 psi | 60% | 2352 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 88% | 38,290 psi | 64% | 2411 fps | 95.6% |
| Ramshot TAC | <<locked>> | 88% | 46,862 psi | 78% | 2493 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 82% | 37,318 psi | 62% | 2362 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 80% | 39,378 psi | 65% | 2346 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,440 psi | 42% | 1411 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 40,828 psi | 68% | 2392 fps | 99% |
| ReloadSwiss RS 52 | 40.4 gr | 86% | 38,159 psi | 63% | 2451 fps | 95.2% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 29,689 psi | 49% | 2257 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 37,202 psi | 62% | 2306 fps | 98.9% |
| Rottweil R 902 | <<locked>> | 80% | 32,184 psi | 53% | 2211 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 88% | 33,199 psi | 55% | 2297 fps | 95.2% |
| Shooters World AR Plus | <<locked>> | 80% | 49,313 psi | 82% | 2530 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 80% | 32,271 psi | 54% | 2270 fps | 97.4% |
| Shooters World Precision | <<locked>> | 82% | 32,271 psi | 54% | 2234 fps | 95.5% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 43,004 psi | 71% | 2398 fps | 98% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 50,328 psi | 84% | 2215 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 45,295 psi | 75% | 2480 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 37,101 psi | 62% | 2392 fps | 95.3% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 43,308 psi | 72% | 2405 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 44,469 psi | 74% | 2464 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 37,405 psi | 62% | 2352 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 35,563 psi | 59% | 2234 fps | 98.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 28,950 psi | 48% | 2110 fps | 97.9% |
| Somchem S321 | <<locked>> | 80% | 38,493 psi | 64% | 2372 fps | 97.7% |
| Somchem S335 | <<locked>> | 80% | 34,998 psi | 58% | 2238 fps | 99.2% |
| Somchem S341 | <<locked>> | 82% | 35,969 psi | 60% | 2316 fps | 95% |
| Somchem S355 | <<locked>> | 88% | 34,418 psi | 57% | 2306 fps | 95.3% |
| Somchem S365 | <<locked>> | 96% | 31,705 psi | 53% | 2320 fps | 95.3% |
| Vihtavuori N120 | <<locked>> | 80% | 49,995 psi | 83% | 2398 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 40,451 psi | 67% | 2313 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 35,563 psi | 59% | 2241 fps | 99.9% |
| Vihtavuori N135 | <<locked>> | 80% | 30,647 psi | 51% | 2211 fps | 99.6% |
| Vihtavuori N140 | <<locked>> | 80% | 31,778 psi | 53% | 2215 fps | 98.2% |
| Vihtavuori N150 | <<locked>> | 86% | 30,864 psi | 51% | 2208 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 36,158 psi | 60% | 2303 fps | 96.8% |
| Vihtavuori N540 | <<locked>> | 80% | 30,313 psi | 50% | 2195 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 36,419 psi | 61% | 2323 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 34,809 psi | 58% | 2333 fps | 97.3% |
| Winchester StaBALL Match | <<locked>> | 82% | 34,142 psi | 57% | 2303 fps | 95.3% |
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 89 powders for .308 Win. Ackley Improved loaded with the .311 | 174gr | Prvi Partizan FMJ BT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,713 fps; across all powders the maximum-charge window runs from 1,542 fps to 2,713 fps. Accurate 4064 gives the best case fill at 100 %, and 89 of the 89 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 174.0 gr projectile in 0.311" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 4064, ADI AR 2208, Alliant Reloder- TS 15.5 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 CFE223, ReloadSwiss RS 52 rank at the top here: for .308 Win. Ackley Improved with the .311 | 174gr | Prvi Partizan FMJ BT 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.