
Load Specifications
Load data in caliber .308 Win. Ackley Improved with .308 | 160gr | MRR Green Long Range 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 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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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% | 51,430 psi | 85% | 2536 fps | 100% |
| Accurate 2015 | <<locked>> | 96% | 53,098 psi | 88% | 2635 fps | 100% |
| Accurate 2200 | <<locked>> | 86% | 51,445 psi | 85% | 2664 fps | 96.7% |
| Accurate 2230 | <<locked>> | 86% | 51,503 psi | 86% | 2671 fps | 97.1% |
| Accurate 2460 | <<locked>> | 92% | 51,837 psi | 86% | 2654 fps | 99.8% |
| Accurate 2495ᴾ | <<locked>> | 100% | 47,819 psi | 79% | 2628 fps | 100% |
| Accurate 2520 | <<locked>> | 96% | 52,634 psi | 87% | 2703 fps | 99.8% |
| Accurate 4064ᴾ | <<locked>> | 100% | 44,367 psi | 74% | 2605 fps | 99.6% |
| Accurate LT-30 | <<locked>> | 88% | 52,344 psi | 87% | 2556 fps | 100% |
| Accurate LT-32 | <<locked>> | 88% | 52,750 psi | 88% | 2572 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 98% | 52,388 psi | 87% | 2697 fps | 97.8% |
| ADI AR 2207 | <<locked>> | 86% | 52,605 psi | 87% | 2582 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 47,181 psi | 78% | 2589 fps | 95.9% |
| ADI AR 2219 | <<locked>> | 88% | 51,227 psi | 85% | 2661 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 96% | 52,083 psi | 87% | 2664 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 98% | 53,316 psi | 89% | 2707 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 92% | 53,040 psi | 88% | 2762 fps | 98.5% |
| Alliant Power Pro 2000-MRᴾ | <<locked>> | 100% | 52,272 psi | 87% | 2779 fps | 96.5% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 44,686 psi | 74% | 2602 fps | 97.3% |
| Alliant Reloder-10x | <<locked>> | 92% | 53,534 psi | 89% | 2651 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 49,037 psi | 81% | 2667 fps | 96.6% |
| Alliant Reloder-7 | <<locked>> | 86% | 54,273 psi | 90% | 2602 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 50,821 psi | 84% | 2552 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 98% | 52,025 psi | 86% | 2703 fps | 96.5% |
| Bofors RP3ᴾ | <<locked>> | 100% | 44,222 psi | 73% | 2605 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 94% | 51,793 psi | 86% | 2615 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 98% | 53,156 psi | 88% | 2736 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 94% | 51,895 psi | 86% | 2766 fps | 97.2% |
| Hodgdon H322 | <<locked>> | 92% | 52,823 psi | 88% | 2684 fps | 100% |
| Hodgdon H335 | <<locked>> | 92% | 54,114 psi | 90% | 2710 fps | 100% |
| Hodgdon H4198 | <<locked>> | 84% | 51,358 psi | 85% | 2559 fps | 100% |
| Hodgdon H4895 | <<locked>> | 98% | 52,678 psi | 88% | 2710 fps | 98.3% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 50,749 psi | 84% | 2730 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,025 psi | 55% | 1578 fps | 100% |
| Hodgdon VARGET | <<locked>> | 98% | 51,111 psi | 85% | 2664 fps | 98% |
| IMR 3031ᴾ | <<locked>> | 100% | 53,983 psi | 90% | 2756 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 49,632 psi | 82% | 2621 fps | 96.7% |
| IMR 4198 | <<locked>> | 90% | 51,895 psi | 86% | 2582 fps | 100% |
| IMR 4227 | <<locked>> | 82% | 54,273 psi | 90% | 2543 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 50,154 psi | 83% | 2700 fps | 97.5% |
| IMR 8208 XBR | <<locked>> | 96% | 52,083 psi | 87% | 2664 fps | 98.7% |
| Lovex D073.4 | <<locked>> | 86% | 52,083 psi | 87% | 2664 fps | 99.6% |
| Lovex D073.5 | <<locked>> | 92% | 51,895 psi | 86% | 2657 fps | 99.3% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 53,679 psi | 89% | 2726 fps | 99.8% |
| Lovex S053 | <<locked>> | 82% | 53,127 psi | 88% | 2490 fps | 100% |
| Lovex S060 | <<locked>> | 98% | 53,708 psi | 89% | 2638 fps | 97.9% |
| Lovex S062ᴾ | <<locked>> | 100% | 48,225 psi | 80% | 2621 fps | 98.3% |
| Norma 200 | <<locked>> | 88% | 53,476 psi | 89% | 2628 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 54,085 psi | 90% | 2697 fps | 99% |
| Norma 202ᴾ | <<locked>> | 100% | 54,172 psi | 90% | 2710 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 48,037 psi | 80% | 2654 fps | 97% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 49,081 psi | 82% | 2680 fps | 96.8% |
| Ramshot Wild Boar | <<locked>> | 96% | 51,227 psi | 85% | 2687 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 94% | 54,331 psi | 90% | 2671 fps | 97.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,069 psi | 55% | 1617 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 52,083 psi | 87% | 2661 fps | 99.5% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 51,619 psi | 86% | 2772 fps | 97.1% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 43,163 psi | 72% | 2644 fps | 98.3% |
| Rottweil R 901 | <<locked>> | 96% | 51,619 psi | 86% | 2641 fps | 99.8% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 50,981 psi | 85% | 2641 fps | 98.6% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 41,118 psi | 68% | 2543 fps | 96.2% |
| Shooters World AR Plus | <<locked>> | 86% | 52,083 psi | 87% | 2664 fps | 99.6% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 53,679 psi | 89% | 2726 fps | 99.8% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 48,225 psi | 80% | 2621 fps | 98.3% |
| Shooters World Tactical Rifle | <<locked>> | 90% | 52,736 psi | 88% | 2631 fps | 98.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 86% | 53,722 psi | 89% | 2346 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 51,387 psi | 85% | 2664 fps | 99.8% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 51,648 psi | 86% | 2625 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 98% | 54,201 psi | 90% | 2690 fps | 95.9% |
| SNPE Vectan SP 9ᴾ | <<locked>> | 100% | 53,940 psi | 90% | 2717 fps | 98% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 54,389 psi | 90% | 2618 fps | 99.9% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 46,630 psi | 77% | 2520 fps | 99.9% |
| Somchem S321 | <<locked>> | 94% | 53,142 psi | 88% | 2700 fps | 99.1% |
| Somchem S335 | <<locked>> | 98% | 52,272 psi | 87% | 2612 fps | 100% |
| Somchem S341 | <<locked>> | 98% | 53,301 psi | 89% | 2687 fps | 97.7% |
| Somchem S355ᴾ | <<locked>> | 100% | 42,583 psi | 71% | 2552 fps | 96.3% |
| Vihtavuori N120 | <<locked>> | 86% | 52,663 psi | 87% | 2533 fps | 100% |
| Vihtavuori N130 | <<locked>> | 94% | 53,940 psi | 90% | 2602 fps | 100% |
| Vihtavuori N133 | <<locked>> | 98% | 53,751 psi | 89% | 2612 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 48,994 psi | 81% | 2628 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 51,547 psi | 86% | 2644 fps | 99.9% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 41,104 psi | 68% | 2497 fps | 97.3% |
| Vihtavuori N530 | <<locked>> | 96% | 52,968 psi | 88% | 2667 fps | 98.9% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 49,705 psi | 83% | 2638 fps | 99.7% |
| Winchester 748 | <<locked>> | 98% | 54,143 psi | 90% | 2753 fps | 99.5% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 53,447 psi | 89% | 2726 fps | 98.4% |
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 1680 | <<locked>> | 80% | 48,138 psi | 80% | 2490 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 32,010 psi | 53% | 2280 fps | 99% |
| Accurate 2200 | <<locked>> | 82% | 45,223 psi | 75% | 2559 fps | 95.3% |
| Accurate 2230 | <<locked>> | 82% | 44,831 psi | 74% | 2562 fps | 95.6% |
| Accurate 2460 | <<locked>> | 80% | 34,185 psi | 57% | 2349 fps | 97.1% |
| Accurate 2495 | <<locked>> | 80% | 24,004 psi | 40% | 2149 fps | 96.8% |
| Accurate 2520 | <<locked>> | 80% | 29,646 psi | 49% | 2283 fps | 95% |
| Accurate 4064 | <<locked>> | 86% | 28,050 psi | 47% | 2270 fps | 95.8% |
| Accurate LT-30 | <<locked>> | 80% | 41,031 psi | 68% | 2379 fps | 99.5% |
| Accurate LT-32 | <<locked>> | 80% | 41,408 psi | 69% | 2388 fps | 98.3% |
| ADI AR 2206H | <<locked>> | 90% | 40,524 psi | 67% | 2497 fps | 95.1% |
| ADI AR 2207 | <<locked>> | 80% | 43,758 psi | 73% | 2457 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 44,193 psi | 73% | 2539 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 38,856 psi | 65% | 2461 fps | 99.2% |
| ADI Benchmark 8208 | <<locked>> | 84% | 35,592 psi | 59% | 2372 fps | 95% |
| Alliant AR-Comp | <<locked>> | 80% | 29,211 psi | 49% | 2293 fps | 99.9% |
| Alliant Power Pro 1200-R | 35.5 gr | 82% | 37,724 psi | 63% | 2490 fps | 95.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 98% | 48,559 psi | 81% | 2717 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 37,028 psi | 62% | 2457 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 36,825 psi | 61% | 2388 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 43,207 psi | 72% | 2569 fps | 95.2% |
| Alliant Reloder-7 | <<locked>> | 80% | 44,773 psi | 74% | 2467 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 39,334 psi | 65% | 2372 fps | 99.4% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 48,791 psi | 81% | 2651 fps | 95.8% |
| Bofors RP3 | <<locked>> | 94% | 36,013 psi | 60% | 2451 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 33,620 psi | 56% | 2283 fps | 95% |
| Hodgdon BL-C2 | <<locked>> | 86% | 35,143 psi | 58% | 2425 fps | 95.7% |
| Hodgdon CFE223 | 42.5 gr | 90% | 45,165 psi | 75% | 2651 fps | 95.6% |
| Hodgdon H322 | <<locked>> | 80% | 35,389 psi | 59% | 2388 fps | 98.5% |
| Hodgdon H335 | <<locked>> | 80% | 35,708 psi | 59% | 2402 fps | 97.7% |
| Hodgdon H4198 | <<locked>> | 80% | 45,281 psi | 75% | 2467 fps | 99.6% |
| Hodgdon H4895 | <<locked>> | 88% | 38,101 psi | 63% | 2457 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 38,798 psi | 64% | 2513 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,366 psi | 40% | 1411 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 39,798 psi | 66% | 2470 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 27,992 psi | 47% | 2270 fps | 97.1% |
| IMR 4064 | <<locked>> | 96% | 43,685 psi | 73% | 2526 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 38,464 psi | 64% | 2375 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 51,039 psi | 85% | 2500 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 41,321 psi | 69% | 2549 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 84% | 35,592 psi | 59% | 2372 fps | 95% |
| Lovex D073.4 | <<locked>> | 80% | 42,293 psi | 70% | 2510 fps | 98.4% |
| Lovex D073.5 | <<locked>> | 80% | 33,968 psi | 56% | 2346 fps | 95.7% |
| Lovex D073.6 | <<locked>> | 84% | 30,574 psi | 51% | 2320 fps | 95.4% |
| Lovex S053 | <<locked>> | 80% | 50,053 psi | 83% | 2451 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 42,090 psi | 70% | 2451 fps | 95.4% |
| Lovex S062 | <<locked>> | 90% | 34,983 psi | 58% | 2379 fps | 95% |
| Norma 200 | <<locked>> | 80% | 41,452 psi | 69% | 2451 fps | 100% |
| Norma 201 | <<locked>> | 88% | 36,956 psi | 61% | 2405 fps | 95.6% |
| Norma 202 | <<locked>> | 80% | 28,442 psi | 47% | 2234 fps | 95.3% |
| Norma 203B | <<locked>> | 96% | 42,337 psi | 70% | 2559 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 96% | 42,757 psi | 71% | 2572 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 90% | 42,003 psi | 70% | 2533 fps | 95.4% |
| Ramshot X-Terminator | <<locked>> | 86% | 41,800 psi | 69% | 2470 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,265 psi | 40% | 1444 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 35,128 psi | 58% | 2362 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 45,382 psi | 75% | 2671 fps | 95.7% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 35,215 psi | 59% | 2467 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 31,705 psi | 53% | 2274 fps | 96.2% |
| Rottweil R 902 | <<locked>> | 90% | 37,275 psi | 62% | 2405 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 98% | 38,290 psi | 64% | 2487 fps | 95.3% |
| Shooters World AR Plus | <<locked>> | 80% | 42,293 psi | 70% | 2510 fps | 98.4% |
| Shooters World Match Rifle | <<locked>> | 84% | 30,574 psi | 51% | 2320 fps | 95.4% |
| Shooters World Precision | <<locked>> | 90% | 34,983 psi | 58% | 2379 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 37,318 psi | 62% | 2372 fps | 95.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 45,614 psi | 76% | 2247 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 39,204 psi | 65% | 2461 fps | 98.4% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 37,579 psi | 62% | 2398 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 96% | 50,183 psi | 83% | 2631 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 41,800 psi | 69% | 2520 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 30,821 psi | 51% | 2208 fps | 96.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 26,411 psi | 44% | 2119 fps | 95.5% |
| Somchem S321 | <<locked>> | 82% | 35,186 psi | 58% | 2388 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 29,994 psi | 50% | 2211 fps | 96.8% |
| Somchem S341 | <<locked>> | 92% | 43,279 psi | 72% | 2533 fps | 95.6% |
| Somchem S355 | <<locked>> | 98% | 39,798 psi | 66% | 2500 fps | 95.5% |
| Vihtavuori N120 | <<locked>> | 80% | 43,888 psi | 73% | 2415 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 35,215 psi | 59% | 2306 fps | 99.8% |
| Vihtavuori N133 | <<locked>> | 80% | 30,661 psi | 51% | 2224 fps | 98.5% |
| Vihtavuori N135 | <<locked>> | 80% | 25,585 psi | 43% | 2175 fps | 97.3% |
| Vihtavuori N140 | <<locked>> | 82% | 28,660 psi | 48% | 2221 fps | 95.7% |
| Vihtavuori N150 | <<locked>> | 94% | 33,692 psi | 56% | 2349 fps | 95% |
| Vihtavuori N530 | <<locked>> | 84% | 35,389 psi | 59% | 2365 fps | 95% |
| Vihtavuori N540 | <<locked>> | 84% | 29,399 psi | 49% | 2254 fps | 95.4% |
| Winchester 748 | 38.1 gr | 84% | 33,910 psi | 56% | 2392 fps | 95.5% |
| Winchester StaBALL Match | <<locked>> | 92% | 40,567 psi | 67% | 2516 fps | 95.8% |
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 | 160gr | MRR Green Long Range. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,779 fps; across all powders the maximum-charge window runs from 1,578 fps to 2,779 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 160.0 gr projectile in 0.308" calls for a 1:10.5 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, Winchester 748 rank at the top here: for .308 Win. Ackley Improved with the .308 | 160gr | MRR Green Long Range 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.