Load Specifications
Load data in caliber .308 Win. Ackley Improved with .308 | 148gr | Hasler ARIETE bullet and 82 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 Winchester 748.
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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 84% | 54,433 psi | 90% | 2700 fps | 100% |
| Accurate 2015 | <<locked>> | 96% | 52,547 psi | 87% | 2756 fps | 100% |
| Accurate 2200 | <<locked>> | 86% | 50,981 psi | 85% | 2782 fps | 96.1% |
| Accurate 2230 | <<locked>> | 86% | 51,227 psi | 85% | 2792 fps | 96.6% |
| Accurate 2460 | <<locked>> | 92% | 51,256 psi | 85% | 2772 fps | 99.6% |
| Accurate 2495ᴾ | <<locked>> | 100% | 47,079 psi | 78% | 2743 fps | 100% |
| Accurate 2520 | <<locked>> | 96% | 51,982 psi | 86% | 2818 fps | 99.5% |
| Accurate 4064ᴾ | <<locked>> | 100% | 43,714 psi | 73% | 2713 fps | 99.3% |
| Accurate LT-30 | <<locked>> | 88% | 52,127 psi | 87% | 2680 fps | 100% |
| Accurate LT-32 | <<locked>> | 88% | 52,605 psi | 87% | 2694 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 98% | 51,721 psi | 86% | 2812 fps | 97.2% |
| ADI AR 2207 | <<locked>> | 86% | 52,359 psi | 87% | 2707 fps | 100% |
| ADI AR 2219 | <<locked>> | 90% | 54,230 psi | 90% | 2835 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 96% | 51,605 psi | 86% | 2782 fps | 98.3% |
| Alliant AR-Comp | <<locked>> | 98% | 52,808 psi | 88% | 2831 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 92% | 52,417 psi | 87% | 2884 fps | 98% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 44,353 psi | 74% | 2713 fps | 96.7% |
| Alliant Reloder-10x | <<locked>> | 92% | 53,055 psi | 88% | 2776 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 48,588 psi | 81% | 2782 fps | 96% |
| Alliant Reloder-7 | <<locked>> | 86% | 53,447 psi | 89% | 2720 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 90% | 53,954 psi | 90% | 2717 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 98% | 51,517 psi | 86% | 2818 fps | 95.8% |
| Bofors RP3ᴾ | <<locked>> | 100% | 43,656 psi | 73% | 2713 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 94% | 51,256 psi | 85% | 2730 fps | 98.7% |
| Hodgdon BL-C2 | <<locked>> | 98% | 52,649 psi | 87% | 2854 fps | 99% |
| Hodgdon CFE223 | <<locked>> | 94% | 51,576 psi | 86% | 2887 fps | 96.6% |
| Hodgdon H322 | <<locked>> | 92% | 52,272 psi | 87% | 2805 fps | 100% |
| Hodgdon H335 | <<locked>> | 92% | 53,447 psi | 89% | 2828 fps | 99.8% |
| Hodgdon H4198 | <<locked>> | 86% | 54,085 psi | 90% | 2726 fps | 100% |
| Hodgdon H4895 | <<locked>> | 98% | 52,011 psi | 86% | 2825 fps | 97.8% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 50,256 psi | 83% | 2844 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,895 psi | 55% | 1667 fps | 100% |
| Hodgdon VARGETᴾ | <<locked>> | 100% | 54,186 psi | 90% | 2835 fps | 98% |
| IMR 3031ᴾ | <<locked>> | 100% | 53,316 psi | 89% | 2877 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 49,023 psi | 81% | 2736 fps | 96.1% |
| IMR 4198 | <<locked>> | 92% | 54,288 psi | 90% | 2743 fps | 100% |
| IMR 4227 | <<locked>> | 82% | 53,795 psi | 89% | 2667 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 49,690 psi | 83% | 2818 fps | 97% |
| IMR 8208 XBR | <<locked>> | 96% | 51,605 psi | 86% | 2782 fps | 98.3% |
| Lovex D073.4 | <<locked>> | 86% | 51,488 psi | 86% | 2782 fps | 99.3% |
| Lovex D073.5 | <<locked>> | 92% | 51,097 psi | 85% | 2772 fps | 98.9% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 52,837 psi | 88% | 2844 fps | 99.6% |
| Lovex S053 | <<locked>> | 82% | 52,417 psi | 87% | 2612 fps | 100% |
| Lovex S060 | <<locked>> | 98% | 53,301 psi | 89% | 2756 fps | 97.4% |
| Lovex S062ᴾ | <<locked>> | 100% | 47,659 psi | 79% | 2736 fps | 97.8% |
| Norma 200 | <<locked>> | 88% | 53,055 psi | 88% | 2753 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 53,417 psi | 89% | 2812 fps | 98.6% |
| Norma 202ᴾ | <<locked>> | 100% | 53,853 psi | 89% | 2835 fps | 99.9% |
| Norma 203Bᴾ | <<locked>> | 100% | 47,587 psi | 79% | 2772 fps | 96.4% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 48,443 psi | 80% | 2789 fps | 96.1% |
| Ramshot Wild Boar | <<locked>> | 96% | 50,894 psi | 85% | 2802 fps | 97% |
| Ramshot X-Terminator | <<locked>> | 94% | 53,853 psi | 89% | 2789 fps | 97.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,866 psi | 55% | 1706 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 82% | 54,099 psi | 90% | 2707 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 51,793 psi | 86% | 2782 fps | 99.3% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 51,242 psi | 85% | 2894 fps | 96.5% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 42,728 psi | 71% | 2749 fps | 97.7% |
| Rottweil R 901 | <<locked>> | 98% | 54,462 psi | 90% | 2812 fps | 99.8% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 50,430 psi | 84% | 2756 fps | 98.2% |
| Shooters World AR Plus | <<locked>> | 86% | 51,488 psi | 86% | 2782 fps | 99.3% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 52,837 psi | 88% | 2844 fps | 99.6% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 47,659 psi | 79% | 2736 fps | 97.8% |
| Shooters World Tactical Rifle | <<locked>> | 90% | 52,286 psi | 87% | 2749 fps | 98% |
| SNPE Vectan BA6 1/2 | <<locked>> | 86% | 53,287 psi | 89% | 2467 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 51,053 psi | 85% | 2785 fps | 99.7% |
| SNPE Vectan SP 3 | <<locked>> | 92% | 54,360 psi | 90% | 2792 fps | 100% |
| SNPE Vectan SP 9ᴾ | <<locked>> | 100% | 53,534 psi | 89% | 2835 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 53,751 psi | 89% | 2736 fps | 99.8% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 45,963 psi | 76% | 2631 fps | 99.7% |
| Somchem S321 | <<locked>> | 94% | 52,924 psi | 88% | 2825 fps | 98.8% |
| Somchem S335 | <<locked>> | 98% | 51,837 psi | 86% | 2730 fps | 99.9% |
| Somchem S341 | <<locked>> | 98% | 52,678 psi | 88% | 2802 fps | 97.2% |
| Vihtavuori N120 | <<locked>> | 86% | 52,417 psi | 87% | 2657 fps | 100% |
| Vihtavuori N130 | <<locked>> | 94% | 53,359 psi | 89% | 2720 fps | 100% |
| Vihtavuori N133 | <<locked>> | 98% | 53,127 psi | 88% | 2730 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 48,211 psi | 80% | 2743 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 50,807 psi | 84% | 2759 fps | 99.8% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 40,466 psi | 67% | 2598 fps | 96.6% |
| Vihtavuori N530 | <<locked>> | 96% | 52,359 psi | 87% | 2785 fps | 98.4% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 49,110 psi | 82% | 2753 fps | 99.5% |
| Winchester 748 | <<locked>> | 98% | 53,809 psi | 89% | 2877 fps | 99.3% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 52,808 psi | 88% | 2841 fps | 97.9% |
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% | 47,703 psi | 79% | 2605 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 31,502 psi | 52% | 2379 fps | 98.5% |
| Accurate 2200 | <<locked>> | 84% | 47,747 psi | 79% | 2726 fps | 95.3% |
| Accurate 2230 | <<locked>> | 84% | 47,616 psi | 79% | 2733 fps | 95.8% |
| Accurate 2460 | <<locked>> | 80% | 33,721 psi | 56% | 2451 fps | 96.4% |
| Accurate 2495 | <<locked>> | 80% | 23,656 psi | 39% | 2238 fps | 96% |
| Accurate 2520 | <<locked>> | 82% | 31,488 psi | 52% | 2434 fps | 95.1% |
| Accurate 4064 | <<locked>> | 88% | 29,501 psi | 49% | 2415 fps | 95.8% |
| Accurate LT-30 | <<locked>> | 80% | 40,495 psi | 67% | 2487 fps | 99.2% |
| Accurate LT-32 | <<locked>> | 80% | 40,857 psi | 68% | 2497 fps | 97.8% |
| ADI AR 2206H | <<locked>> | 92% | 42,859 psi | 71% | 2657 fps | 95.2% |
| ADI AR 2207 | <<locked>> | 80% | 43,308 psi | 72% | 2575 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 38,450 psi | 64% | 2569 fps | 98.8% |
| ADI Benchmark 8208 | <<locked>> | 86% | 37,492 psi | 62% | 2523 fps | 95% |
| Alliant AR-Comp | <<locked>> | 80% | 28,935 psi | 48% | 2398 fps | 99.6% |
| Alliant Power Pro 1200-R | 38.4 gr | 84% | 39,958 psi | 66% | 2657 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 38,986 psi | 65% | 2612 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 36,347 psi | 60% | 2493 fps | 99.8% |
| Alliant Reloder-15 | <<locked>> | 98% | 45,571 psi | 76% | 2730 fps | 95.2% |
| Alliant Reloder-7 | <<locked>> | 80% | 44,440 psi | 74% | 2585 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 39,044 psi | 65% | 2480 fps | 99.2% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 48,080 psi | 80% | 2762 fps | 95% |
| Bofors RP3 | <<locked>> | 96% | 38,116 psi | 63% | 2608 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 82% | 35,476 psi | 59% | 2434 fps | 95% |
| Hodgdon BL-C2 | <<locked>> | 88% | 37,318 psi | 62% | 2582 fps | 95.8% |
| Hodgdon CFE223 | 45.9 gr | 92% | 48,095 psi | 80% | 2825 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 80% | 34,940 psi | 58% | 2493 fps | 98% |
| Hodgdon H335 | <<locked>> | 80% | 35,433 psi | 59% | 2507 fps | 97.2% |
| Hodgdon H4198 | <<locked>> | 80% | 44,715 psi | 74% | 2579 fps | 99.4% |
| Hodgdon H4895 | <<locked>> | 90% | 40,379 psi | 67% | 2618 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 41,162 psi | 68% | 2677 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,149 psi | 40% | 1486 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 41,785 psi | 69% | 2625 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 27,528 psi | 46% | 2362 fps | 96.2% |
| IMR 4064 | <<locked>> | 98% | 46,006 psi | 76% | 2684 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 38,014 psi | 63% | 2484 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 50,749 psi | 84% | 2625 fps | 100% |
| IMR 4895 | <<locked>> | 96% | 43,743 psi | 73% | 2713 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 86% | 37,492 psi | 62% | 2523 fps | 95% |
| Lovex D073.4 | <<locked>> | 80% | 41,640 psi | 69% | 2615 fps | 97.9% |
| Lovex D073.5 | <<locked>> | 82% | 35,940 psi | 60% | 2497 fps | 95.7% |
| Lovex D073.6 | <<locked>> | 86% | 32,343 psi | 54% | 2467 fps | 95.4% |
| Lovex S053 | <<locked>> | 80% | 49,487 psi | 82% | 2572 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 44,353 psi | 74% | 2608 fps | 95.5% |
| Lovex S062 | <<locked>> | 92% | 36,869 psi | 61% | 2533 fps | 95% |
| Norma 200 | <<locked>> | 80% | 41,031 psi | 68% | 2566 fps | 100% |
| Norma 201 | <<locked>> | 90% | 39,088 psi | 65% | 2562 fps | 95.7% |
| Norma 202 | <<locked>> | 82% | 30,023 psi | 50% | 2379 fps | 95.3% |
| Norma 203B | <<locked>> | 98% | 44,672 psi | 74% | 2720 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 98% | 45,223 psi | 75% | 2733 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 92% | 44,251 psi | 74% | 2690 fps | 95.4% |
| Ramshot X-Terminator | <<locked>> | 88% | 44,295 psi | 74% | 2631 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,250 psi | 40% | 1526 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 50,778 psi | 84% | 2661 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 34,867 psi | 58% | 2467 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 98% | 47,950 psi | 80% | 2838 fps | 95.8% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 37,202 psi | 62% | 2625 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 31,502 psi | 52% | 2379 fps | 95.5% |
| Rottweil R 902 | <<locked>> | 92% | 39,349 psi | 65% | 2559 fps | 95.7% |
| Shooters World AR Plus | <<locked>> | 80% | 41,640 psi | 69% | 2615 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 86% | 32,343 psi | 54% | 2467 fps | 95.4% |
| Shooters World Precision | <<locked>> | 92% | 36,869 psi | 61% | 2533 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 39,595 psi | 66% | 2530 fps | 95.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 45,310 psi | 75% | 2362 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 38,899 psi | 65% | 2572 fps | 98% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 37,101 psi | 62% | 2503 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 44,092 psi | 73% | 2677 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 30,443 psi | 51% | 2306 fps | 95.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 84% | 27,760 psi | 46% | 2257 fps | 95.5% |
| Somchem S321 | <<locked>> | 84% | 37,289 psi | 62% | 2546 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 29,689 psi | 49% | 2310 fps | 96.1% |
| Somchem S341 | <<locked>> | 94% | 46,108 psi | 77% | 2700 fps | 95.8% |
| Vihtavuori N120 | <<locked>> | 80% | 43,439 psi | 72% | 2533 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 34,766 psi | 58% | 2411 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 80% | 30,269 psi | 50% | 2323 fps | 98% |
| Vihtavuori N135 | <<locked>> | 80% | 25,193 psi | 42% | 2264 fps | 96.5% |
| Vihtavuori N140 | <<locked>> | 82% | 28,427 psi | 47% | 2320 fps | 95% |
| Vihtavuori N150 | <<locked>> | 96% | 35,462 psi | 59% | 2497 fps | 95% |
| Vihtavuori N530 | <<locked>> | 86% | 37,536 psi | 62% | 2523 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 86% | 31,067 psi | 52% | 2402 fps | 95.5% |
| Winchester 748 | 41.2 gr | 86% | 35,940 psi | 60% | 2549 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 92% | 40,393 psi | 67% | 2625 fps | 95.1% |
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 82 powders for .308 Win. Ackley Improved loaded with the .308 | 148gr | Hasler ARIETE. ReloadSwiss RS 52 delivers the highest muzzle velocity at 2,894 fps; across all powders the maximum-charge window runs from 1,667 fps to 2,894 fps. Accurate 2495 gives the best case fill at 100 %, and 82 of the 82 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 148.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, 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. Hodgdon CFE223, Alliant Power Pro 1200-R, Winchester 748 rank at the top here: for .308 Win. Ackley Improved with the .308 | 148gr | Hasler ARIETE 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.