
Load Specifications
Load data in caliber .308 Win. Ackley Improved with .308 | 155gr | Brenneke TAG bullet and 86 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon CFE223, Alliant Power Pro 1200-R 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 1680 | <<locked>> | 82% | 53,867 psi | 89% | 2644 fps | 100% |
| Accurate 2015 | <<locked>> | 94% | 52,750 psi | 88% | 2707 fps | 100% |
| Accurate 2200 | <<locked>> | 86% | 54,360 psi | 90% | 2795 fps | 97.5% |
| Accurate 2230 | <<locked>> | 84% | 51,039 psi | 85% | 2746 fps | 97.3% |
| Accurate 2460 | <<locked>> | 90% | 51,416 psi | 85% | 2726 fps | 99.9% |
| Accurate 2495ᴾ | <<locked>> | 100% | 51,358 psi | 85% | 2749 fps | 100% |
| Accurate 2520 | <<locked>> | 94% | 52,156 psi | 87% | 2776 fps | 99.8% |
| Accurate 4064ᴾ | <<locked>> | 100% | 47,572 psi | 79% | 2730 fps | 99.9% |
| Accurate LT-30 | <<locked>> | 86% | 51,605 psi | 86% | 2628 fps | 100% |
| Accurate LT-32 | <<locked>> | 86% | 52,040 psi | 86% | 2644 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 96% | 52,040 psi | 86% | 2776 fps | 98% |
| ADI AR 2207 | <<locked>> | 84% | 52,257 psi | 87% | 2651 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 49,879 psi | 83% | 2713 fps | 96.8% |
| ADI AR 2219 | <<locked>> | 88% | 53,925 psi | 90% | 2779 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 94% | 51,634 psi | 86% | 2740 fps | 98.9% |
| Alliant AR-Comp | <<locked>> | 96% | 53,229 psi | 88% | 2782 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 90% | 52,373 psi | 87% | 2835 fps | 98.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 98% | 51,605 psi | 86% | 2858 fps | 96.8% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 47,935 psi | 80% | 2730 fps | 98.1% |
| Alliant Reloder-10x | <<locked>> | 90% | 53,287 psi | 89% | 2726 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 52,156 psi | 87% | 2799 fps | 97.5% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 42,525 psi | 71% | 2697 fps | 96% |
| Alliant Reloder-7 | <<locked>> | 84% | 53,142 psi | 88% | 2664 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 53,359 psi | 89% | 2664 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 51,634 psi | 86% | 2782 fps | 96.8% |
| Bofors RP3ᴾ | <<locked>> | 100% | 47,282 psi | 79% | 2733 fps | 98.1% |
| Hodgdon Benchmark | <<locked>> | 94% | 54,273 psi | 90% | 2733 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 96% | 53,069 psi | 88% | 2815 fps | 99.4% |
| Hodgdon CFE223 | <<locked>> | 92% | 51,547 psi | 86% | 2844 fps | 97.4% |
| Hodgdon H322 | <<locked>> | 90% | 52,446 psi | 87% | 2759 fps | 100% |
| Hodgdon H335 | <<locked>> | 90% | 53,417 psi | 89% | 2779 fps | 100% |
| Hodgdon H4198 | <<locked>> | 84% | 53,592 psi | 89% | 2674 fps | 100% |
| Hodgdon H4895 | <<locked>> | 96% | 52,373 psi | 87% | 2785 fps | 98.5% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 53,766 psi | 89% | 2858 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,315 psi | 55% | 1644 fps | 100% |
| Hodgdon VARGET | <<locked>> | 98% | 54,012 psi | 90% | 2789 fps | 98.6% |
| IMR 3031 | <<locked>> | 98% | 53,693 psi | 89% | 2828 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 52,518 psi | 87% | 2749 fps | 97.5% |
| IMR 4198 | <<locked>> | 90% | 54,346 psi | 90% | 2690 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 53,388 psi | 89% | 2831 fps | 98.3% |
| IMR 8208 XBR | <<locked>> | 94% | 51,634 psi | 86% | 2740 fps | 98.9% |
| Lovex D073.4 | <<locked>> | 84% | 51,721 psi | 86% | 2740 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 90% | 51,213 psi | 85% | 2726 fps | 99.4% |
| Lovex D073.6 | <<locked>> | 98% | 53,374 psi | 89% | 2802 fps | 99.9% |
| Lovex S060 | <<locked>> | 96% | 53,055 psi | 88% | 2713 fps | 98.1% |
| Lovex S062ᴾ | <<locked>> | 100% | 51,184 psi | 85% | 2749 fps | 98.9% |
| Norma 200 | <<locked>> | 86% | 52,997 psi | 88% | 2700 fps | 100% |
| Norma 201 | <<locked>> | 98% | 53,737 psi | 89% | 2772 fps | 99.2% |
| Norma 202 | <<locked>> | 98% | 53,882 psi | 90% | 2785 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 51,140 psi | 85% | 2785 fps | 97.9% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 52,025 psi | 86% | 2808 fps | 97.7% |
| Ramshot Wild Boar | <<locked>> | 96% | 54,360 psi | 90% | 2815 fps | 98.3% |
| Ramshot X-Terminator | <<locked>> | 92% | 53,621 psi | 89% | 2743 fps | 98% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,330 psi | 55% | 1683 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 51,793 psi | 86% | 2736 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 98% | 51,663 psi | 86% | 2858 fps | 97.5% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 45,556 psi | 76% | 2772 fps | 99.1% |
| Rottweil R 901 | <<locked>> | 94% | 51,314 psi | 85% | 2717 fps | 99.9% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 54,041 psi | 90% | 2766 fps | 99.2% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 43,903 psi | 73% | 2664 fps | 97.1% |
| Shooters World AR Plus | <<locked>> | 84% | 51,721 psi | 86% | 2740 fps | 99.7% |
| Shooters World Match Rifle | <<locked>> | 98% | 53,374 psi | 89% | 2802 fps | 99.9% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 51,184 psi | 85% | 2749 fps | 98.9% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 52,098 psi | 87% | 2703 fps | 98.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 52,895 psi | 88% | 2411 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 54,389 psi | 90% | 2785 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 46,818 psi | 78% | 2733 fps | 96.8% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 54,201 psi | 90% | 2740 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 96% | 53,330 psi | 89% | 2762 fps | 96.1% |
| SNPE Vectan SP 9 | <<locked>> | 98% | 53,766 psi | 89% | 2795 fps | 98.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 53,563 psi | 89% | 2690 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 49,342 psi | 82% | 2638 fps | 100% |
| Somchem S321 | <<locked>> | 92% | 52,910 psi | 88% | 2779 fps | 99.2% |
| Somchem S335 | <<locked>> | 96% | 52,127 psi | 87% | 2687 fps | 100% |
| Somchem S341 | <<locked>> | 96% | 52,910 psi | 88% | 2766 fps | 97.9% |
| Somchem S355ᴾ | <<locked>> | 100% | 45,295 psi | 75% | 2674 fps | 97.2% |
| Vihtavuori N120 | <<locked>> | 84% | 52,272 psi | 87% | 2605 fps | 100% |
| Vihtavuori N130 | <<locked>> | 92% | 53,374 psi | 89% | 2671 fps | 100% |
| Vihtavuori N133 | <<locked>> | 96% | 53,142 psi | 88% | 2684 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 52,286 psi | 87% | 2746 fps | 100% |
| Vihtavuori N140 | <<locked>> | 98% | 51,198 psi | 85% | 2717 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 43,671 psi | 73% | 2618 fps | 98.1% |
| Vihtavuori N530 | <<locked>> | 94% | 52,243 psi | 87% | 2740 fps | 99% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 52,910 psi | 88% | 2762 fps | 99.9% |
| Winchester 748 | <<locked>> | 96% | 54,201 psi | 90% | 2835 fps | 99.7% |
| Winchester StaBALL Match | <<locked>> | 98% | 53,084 psi | 88% | 2802 fps | 98.6% |
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 1680 | <<locked>> | 80% | 50,343 psi | 84% | 2598 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 33,721 psi | 56% | 2385 fps | 99.4% |
| Accurate 2200 | <<locked>> | 80% | 44,324 psi | 74% | 2625 fps | 95.3% |
| Accurate 2230 | <<locked>> | 80% | 43,888 psi | 73% | 2625 fps | 95.7% |
| Accurate 2460 | <<locked>> | 80% | 36,274 psi | 60% | 2461 fps | 97.9% |
| Accurate 2495 | <<locked>> | 80% | 25,788 psi | 43% | 2257 fps | 97.7% |
| Accurate 2520 | <<locked>> | 80% | 31,836 psi | 53% | 2402 fps | 96.1% |
| Accurate 4064 | <<locked>> | 82% | 26,165 psi | 43% | 2277 fps | 95.1% |
| Accurate LT-30 | <<locked>> | 80% | 42,902 psi | 71% | 2490 fps | 99.8% |
| Accurate LT-32 | <<locked>> | 80% | 43,294 psi | 72% | 2500 fps | 98.9% |
| ADI AR 2206H | <<locked>> | 88% | 40,219 psi | 67% | 2566 fps | 95.3% |
| ADI AR 2207 | <<locked>> | 80% | 46,006 psi | 76% | 2566 fps | 100% |
| ADI AR 2208 | <<locked>> | 96% | 43,845 psi | 73% | 2612 fps | 95.4% |
| ADI AR 2219 | <<locked>> | 80% | 41,162 psi | 68% | 2575 fps | 99.6% |
| ADI Benchmark 8208 | <<locked>> | 82% | 35,244 psi | 59% | 2434 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 31,009 psi | 52% | 2405 fps | 100% |
| Alliant Power Pro 1200-R | 37.5 gr | 80% | 37,376 psi | 62% | 2556 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 45,005 psi | 75% | 2736 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 36,985 psi | 61% | 2526 fps | 95.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 38,769 psi | 64% | 2493 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 43,018 psi | 71% | 2641 fps | 95.5% |
| Alliant Reloder-17 | <<locked>> | 98% | 39,740 psi | 66% | 2638 fps | 95% |
| Alliant Reloder-7 | <<locked>> | 80% | 46,949 psi | 78% | 2575 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 41,278 psi | 69% | 2477 fps | 99.7% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 45,223 psi | 75% | 2674 fps | 95.3% |
| Bofors RP3 | <<locked>> | 92% | 35,868 psi | 60% | 2520 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 35,447 psi | 59% | 2395 fps | 95.9% |
| Hodgdon BL-C2 | <<locked>> | 82% | 32,576 psi | 54% | 2434 fps | 95% |
| Hodgdon CFE223 | 45 gr | 88% | 44,672 psi | 74% | 2723 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 80% | 37,449 psi | 62% | 2503 fps | 99.1% |
| Hodgdon H335 | <<locked>> | 80% | 37,884 psi | 63% | 2516 fps | 98.4% |
| Hodgdon H4198 | <<locked>> | 80% | 47,355 psi | 79% | 2579 fps | 99.9% |
| Hodgdon H4895 | <<locked>> | 86% | 38,014 psi | 63% | 2526 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 36,071 psi | 60% | 2530 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,714 psi | 41% | 1473 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 39,421 psi | 65% | 2536 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 29,689 psi | 49% | 2382 fps | 98% |
| IMR 4064 | <<locked>> | 94% | 43,279 psi | 72% | 2595 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 40,379 psi | 67% | 2480 fps | 100% |
| IMR 4895 | <<locked>> | 92% | 41,365 psi | 69% | 2625 fps | 95.8% |
| IMR 8208 XBR | <<locked>> | 82% | 35,244 psi | 59% | 2434 fps | 95.1% |
| Lovex D073.4 | <<locked>> | 80% | 44,527 psi | 74% | 2625 fps | 98.9% |
| Lovex D073.5 | <<locked>> | 80% | 36,129 psi | 60% | 2461 fps | 96.6% |
| Lovex D073.6 | <<locked>> | 82% | 30,661 psi | 51% | 2385 fps | 95.6% |
| Lovex S060 | <<locked>> | 88% | 41,742 psi | 69% | 2520 fps | 95.7% |
| Lovex S062 | <<locked>> | 88% | 35,012 psi | 58% | 2451 fps | 95.3% |
| Norma 200 | <<locked>> | 80% | 43,656 psi | 73% | 2559 fps | 100% |
| Norma 201 | <<locked>> | 84% | 34,548 psi | 57% | 2421 fps | 95% |
| Norma 202 | <<locked>> | 80% | 30,110 psi | 50% | 2339 fps | 96.2% |
| Norma 203B | <<locked>> | 92% | 39,624 psi | 66% | 2582 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 94% | 42,482 psi | 71% | 2644 fps | 95.5% |
| Ramshot Wild Boar | <<locked>> | 88% | 41,495 psi | 69% | 2598 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 41,234 psi | 69% | 2533 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,598 psi | 41% | 1503 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 37,231 psi | 62% | 2480 fps | 97.3% |
| ReloadSwiss RS 52 | 44.6 gr | 92% | 42,105 psi | 70% | 2687 fps | 95.1% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 35,027 psi | 58% | 2539 fps | 96% |
| Rottweil R 901 | <<locked>> | 80% | 33,620 psi | 56% | 2388 fps | 97.1% |
| Rottweil R 902 | <<locked>> | 86% | 34,766 psi | 58% | 2421 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 96% | 38,479 psi | 64% | 2566 fps | 95.7% |
| Shooters World AR Plus | <<locked>> | 80% | 44,527 psi | 74% | 2625 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 30,661 psi | 51% | 2385 fps | 95.6% |
| Shooters World Precision | <<locked>> | 88% | 35,012 psi | 58% | 2451 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 39,436 psi | 66% | 2487 fps | 96.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 47,413 psi | 79% | 2343 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 41,481 psi | 69% | 2579 fps | 99% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 40,930 psi | 68% | 2621 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 39,552 psi | 66% | 2507 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 49,719 psi | 83% | 2707 fps | 95.3% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 41,350 psi | 69% | 2585 fps | 95.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 32,358 psi | 54% | 2313 fps | 96.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 26,121 psi | 43% | 2175 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 34,882 psi | 58% | 2451 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 31,575 psi | 52% | 2316 fps | 97.5% |
| Somchem S341 | <<locked>> | 88% | 39,943 psi | 66% | 2546 fps | 95% |
| Somchem S355 | <<locked>> | 94% | 37,550 psi | 62% | 2526 fps | 95.1% |
| Vihtavuori N120 | <<locked>> | 80% | 46,079 psi | 77% | 2520 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 36,970 psi | 61% | 2411 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 32,271 psi | 54% | 2326 fps | 99% |
| Vihtavuori N135 | <<locked>> | 80% | 27,137 psi | 45% | 2280 fps | 98% |
| Vihtavuori N140 | <<locked>> | 80% | 28,413 psi | 47% | 2277 fps | 95.9% |
| Vihtavuori N150 | <<locked>> | 92% | 33,518 psi | 56% | 2418 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 82% | 34,954 psi | 58% | 2428 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 82% | 29,124 psi | 48% | 2310 fps | 95.5% |
| Winchester 748 | <<locked>> | 82% | 33,634 psi | 56% | 2457 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 88% | 37,652 psi | 63% | 2530 fps | 95.2% |
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 86 powders for .308 Win. Ackley Improved loaded with the .308 | 155gr | Brenneke TAG. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,858 fps; across all powders the maximum-charge window runs from 1,644 fps to 2,858 fps. Accurate 2495 gives the best case fill at 100 %, and 86 of the 86 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 155.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, 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. Hodgdon CFE223, Alliant Power Pro 1200-R, ReloadSwiss RS 52 rank at the top here: for .308 Win. Ackley Improved with the .308 | 155gr | Brenneke TAG 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.