Load Specifications
Load data in caliber .308 Win. with .311 | 123gr | Lehigh Defense Controlled Chaos bullet and 52 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon H322, Shooters World AR Plus and Lovex D073.4.
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>> | 86% | 51,372 psi | 85% | 2887 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 51,329 psi | 85% | 2969 fps | 99.8% |
| Accurate 2460 | <<locked>> | 98% | 53,940 psi | 90% | 3031 fps | 98.6% |
| Accurate 2495ᴾ | <<locked>> | 100% | 39,421 psi | 65% | 2835 fps | 98.9% |
| Accurate 2520ᴾ | <<locked>> | 100% | 50,328 psi | 84% | 3015 fps | 97.7% |
| Accurate LT-30 | <<locked>> | 92% | 52,011 psi | 86% | 2894 fps | 99.3% |
| Accurate LT-32 | <<locked>> | 92% | 52,518 psi | 87% | 2907 fps | 97.9% |
| ADI AR 2207 | <<locked>> | 90% | 51,547 psi | 86% | 2946 fps | 100% |
| ADI AR 2219 | <<locked>> | 94% | 53,214 psi | 88% | 3051 fps | 99.3% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 50,908 psi | 85% | 2979 fps | 95.9% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 47,514 psi | 79% | 3002 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 98% | 54,447 psi | 90% | 3143 fps | 96.1% |
| Alliant Reloder-10x | <<locked>> | 96% | 51,982 psi | 86% | 3002 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 90% | 53,345 psi | 89% | 2956 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 53,925 psi | 90% | 2936 fps | 99.6% |
| Hodgdon Benchmarkᴾ | <<locked>> | 100% | 54,215 psi | 90% | 2989 fps | 97.2% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 47,877 psi | 80% | 2992 fps | 96% |
| Hodgdon H322 | <<locked>> | 96% | 51,314 psi | 85% | 3022 fps | 99.1% |
| Hodgdon H335 | <<locked>> | 96% | 52,649 psi | 87% | 3041 fps | 98.6% |
| Hodgdon H4198 | <<locked>> | 90% | 54,302 psi | 90% | 2953 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,111 psi | 53% | 1804 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 44,933 psi | 75% | 2976 fps | 98.9% |
| IMR 4198 | <<locked>> | 96% | 53,592 psi | 89% | 2979 fps | 100% |
| IMR 4227 | <<locked>> | 86% | 54,288 psi | 90% | 2913 fps | 100% |
| IMR 8208 XBRᴾ | <<locked>> | 100% | 50,908 psi | 85% | 2979 fps | 95.9% |
| Lovex D073.4 | <<locked>> | 90% | 51,314 psi | 85% | 2999 fps | 97.6% |
| Lovex D073.5 | <<locked>> | 98% | 54,244 psi | 90% | 3031 fps | 97.5% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 44,251 psi | 74% | 2923 fps | 96.4% |
| Lovex S053 | <<locked>> | 86% | 52,837 psi | 88% | 2861 fps | 100% |
| Norma 200 | <<locked>> | 92% | 52,431 psi | 87% | 2989 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 45,890 psi | 76% | 2927 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,981 psi | 53% | 1847 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 86% | 54,114 psi | 90% | 2949 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 54,433 psi | 90% | 3045 fps | 98% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 50,285 psi | 84% | 2969 fps | 98.1% |
| Shooters World AR Plus | <<locked>> | 90% | 51,314 psi | 85% | 2999 fps | 97.6% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 44,251 psi | 74% | 2923 fps | 96.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 53,447 psi | 89% | 2703 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 54,114 psi | 90% | 3058 fps | 98.7% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 53,098 psi | 88% | 3012 fps | 99.7% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 49,850 psi | 83% | 2890 fps | 98% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 39,813 psi | 66% | 2723 fps | 97% |
| Somchem S321 | <<locked>> | 98% | 51,880 psi | 86% | 3022 fps | 96.5% |
| Somchem S335ᴾ | <<locked>> | 100% | 48,109 psi | 80% | 2887 fps | 98.6% |
| Vihtavuori N120 | <<locked>> | 90% | 51,663 psi | 86% | 2897 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 52,924 psi | 88% | 2949 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 48,863 psi | 81% | 2894 fps | 99.6% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 40,727 psi | 68% | 2844 fps | 99% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 43,642 psi | 73% | 2854 fps | 97.3% |
| Vihtavuori N530ᴾ | <<locked>> | 100% | 51,677 psi | 86% | 2986 fps | 96.1% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 42,018 psi | 70% | 2838 fps | 96.4% |
| Winchester 748ᴾ | <<locked>> | 100% | 49,356 psi | 82% | 3018 fps | 96.6% |
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% | 42,235 psi | 70% | 2730 fps | 99.5% |
| Accurate 2015 | <<locked>> | 82% | 29,080 psi | 48% | 2507 fps | 95.3% |
| Accurate 2460 | <<locked>> | 88% | 38,159 psi | 63% | 2746 fps | 95.2% |
| Accurate 2495 | <<locked>> | 90% | 28,094 psi | 47% | 2562 fps | 95.5% |
| Accurate 2520 | <<locked>> | 94% | 40,886 psi | 68% | 2844 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 36,114 psi | 60% | 2592 fps | 96.2% |
| Accurate LT-32 | <<locked>> | 84% | 41,423 psi | 69% | 2703 fps | 95.5% |
| ADI AR 2207 | <<locked>> | 80% | 37,840 psi | 63% | 2710 fps | 100% |
| ADI AR 2219 | <<locked>> | 82% | 35,781 psi | 59% | 2710 fps | 95.8% |
| ADI Benchmark 8208 | <<locked>> | 98% | 47,761 psi | 79% | 2927 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 25,266 psi | 42% | 2464 fps | 96.1% |
| Alliant Power Pro 1200-R | <<locked>> | 96% | 50,937 psi | 85% | 3084 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 31,662 psi | 53% | 2595 fps | 97.5% |
| Alliant Reloder-7 | <<locked>> | 80% | 39,378 psi | 65% | 2710 fps | 99.5% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 34,360 psi | 57% | 2572 fps | 96% |
| Hodgdon Benchmark | <<locked>> | 94% | 45,165 psi | 75% | 2828 fps | 95.2% |
| Hodgdon BL-C2 | <<locked>> | 98% | 44,527 psi | 74% | 2930 fps | 95.1% |
| Hodgdon H322 | 37.8 gr | 84% | 34,780 psi | 58% | 2687 fps | 95.4% |
| Hodgdon H335 | <<locked>> | 86% | 37,594 psi | 62% | 2753 fps | 95.2% |
| Hodgdon H4198 | <<locked>> | 80% | 39,827 psi | 66% | 2687 fps | 96.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,467 psi | 39% | 1611 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 32,938 psi | 55% | 2700 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 33,547 psi | 56% | 2595 fps | 98.8% |
| IMR 4227 | <<locked>> | 80% | 45,266 psi | 75% | 2772 fps | 100% |
| IMR 8208 XBR | <<locked>> | 98% | 47,761 psi | 79% | 2927 fps | 95.1% |
| Lovex D073.4 | 40.6 gr | 84% | 41,408 psi | 69% | 2818 fps | 95.3% |
| Lovex D073.5 | <<locked>> | 92% | 43,932 psi | 73% | 2858 fps | 95.3% |
| Lovex D073.6 | <<locked>> | 98% | 41,365 psi | 69% | 2867 fps | 95.7% |
| Lovex S053 | <<locked>> | 80% | 44,237 psi | 73% | 2726 fps | 100% |
| Norma 200 | <<locked>> | 80% | 35,940 psi | 60% | 2680 fps | 99.1% |
| Norma 202 | <<locked>> | 94% | 38,072 psi | 63% | 2769 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,511 psi | 39% | 1654 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 45,005 psi | 75% | 2805 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 42,221 psi | 70% | 2825 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 92% | 39,726 psi | 66% | 2766 fps | 95.7% |
| Shooters World AR Plus | 40.6 gr | 84% | 41,408 psi | 69% | 2818 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 98% | 41,365 psi | 69% | 2867 fps | 95.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 41,089 psi | 68% | 2523 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 38,435 psi | 64% | 2766 fps | 95.4% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 32,300 psi | 54% | 2595 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 38,899 psi | 65% | 2687 fps | 95.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 35,288 psi | 59% | 2625 fps | 95.6% |
| Somchem S321 | <<locked>> | 96% | 48,689 psi | 81% | 2969 fps | 95.8% |
| Somchem S335 | <<locked>> | 90% | 35,520 psi | 59% | 2638 fps | 95.6% |
| Vihtavuori N120 | <<locked>> | 80% | 38,014 psi | 63% | 2671 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 30,574 psi | 51% | 2507 fps | 96.9% |
| Vihtavuori N133 | <<locked>> | 84% | 30,023 psi | 50% | 2500 fps | 95.5% |
| Vihtavuori N135 | <<locked>> | 88% | 28,065 psi | 47% | 2533 fps | 95% |
| Vihtavuori N140 | <<locked>> | 94% | 36,114 psi | 60% | 2697 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 98% | 48,008 psi | 80% | 2923 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 98% | 39,465 psi | 66% | 2785 fps | 95.6% |
| Winchester 748 | <<locked>> | 98% | 45,948 psi | 76% | 2956 fps | 95.7% |
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 52 powders for .308 Win. loaded with the .311 | 123gr | Lehigh Defense Controlled Chaos. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 3,143 fps; across all powders the maximum-charge window runs from 1,804 fps to 3,143 fps. Accurate 2015 gives the best case fill at 100 %, and 52 of the 52 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 123.0 gr projectile in 0.311" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2495, Accurate 2520 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 H322, Shooters World AR Plus, Lovex D073.4 rank at the top here: for .308 Win. with the .311 | 123gr | Lehigh Defense Controlled Chaos 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.