
Load Specifications
Load data in caliber .308 Norma Mag. with .308 | 181gr | RWS H-Mantel bullet and 100 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-26 and Alliant Reloder-16.
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 2495 | <<locked>> | 82% | 54,563 psi | 86% | 2707 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 55,956 psi | 88% | 2776 fps | 98.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 53,476 psi | 84% | 2818 fps | 99.6% |
| Accurate 4064 | <<locked>> | 84% | 54,940 psi | 86% | 2759 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 55,782 psi | 87% | 2871 fps | 100% |
| Accurate High Country | <<locked>> | 98% | 54,534 psi | 85% | 2956 fps | 97.3% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 55,535 psi | 87% | 2956 fps | 96.1% |
| ADI AR 2206H | <<locked>> | 82% | 57,348 psi | 90% | 2835 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 55,201 psi | 87% | 2792 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 56,739 psi | 89% | 2910 fps | 98.4% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 54,143 psi | 85% | 2897 fps | 96.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 54,172 psi | 85% | 2910 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 55,927 psi | 88% | 2815 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 55,999 psi | 88% | 2835 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,260 psi | 88% | 2920 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 53,998 psi | 85% | 2894 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 55,767 psi | 87% | 2897 fps | 98.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 52,968 psi | 83% | 2894 fps | 98% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,053 psi | 78% | 2835 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,700 psi | 68% | 2759 fps | 99% |
| Alliant Reloder-26 | <<locked>> | 98% | 53,650 psi | 84% | 2969 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 57,537 psi | 90% | 2858 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 48,646 psi | 76% | 2822 fps | 97% |
| Bofors RP3 | <<locked>> | 86% | 56,666 psi | 89% | 2831 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 52,968 psi | 83% | 2894 fps | 98% |
| Bofors RP7 | <<locked>> | 90% | 55,985 psi | 88% | 2815 fps | 99% |
| Hodgdon H380 | <<locked>> | 86% | 57,145 psi | 90% | 2848 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 54,215 psi | 85% | 2864 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 90% | 57,580 psi | 90% | 2877 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 98% | 54,505 psi | 85% | 2848 fps | 96.2% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 56,840 psi | 89% | 2884 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 56,753 psi | 89% | 2844 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 54,665 psi | 86% | 2828 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 54,215 psi | 85% | 2897 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,303 psi | 57% | 1742 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,434 psi | 87% | 2792 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 54,621 psi | 86% | 2776 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 57,145 psi | 90% | 2808 fps | 99.4% |
| IMR 4350 | <<locked>> | 94% | 56,927 psi | 89% | 2848 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 88% | 54,462 psi | 85% | 2792 fps | 99.1% |
| IMR 4831 | <<locked>> | 94% | 55,912 psi | 88% | 2854 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 57,479 psi | 90% | 2864 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 56,173 psi | 88% | 2838 fps | 96.7% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 51,706 psi | 81% | 2871 fps | 96.3% |
| Lovex S060 | <<locked>> | 82% | 56,057 psi | 88% | 2759 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 54,752 psi | 86% | 2769 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 57,711 psi | 90% | 2838 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 55,550 psi | 87% | 2828 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 44,411 psi | 70% | 2671 fps | 98.4% |
| Norma 201 | <<locked>> | 82% | 56,014 psi | 88% | 2776 fps | 100% |
| Norma 202 | <<locked>> | 82% | 56,898 psi | 89% | 2776 fps | 100% |
| Norma 203B | <<locked>> | 84% | 55,288 psi | 87% | 2822 fps | 100% |
| Norma 204 | <<locked>> | 92% | 54,201 psi | 85% | 2848 fps | 97.8% |
| Norma MRPᴾ | <<locked>> | 100% | 56,507 psi | 89% | 2982 fps | 99.5% |
| Norma URP | <<locked>> | 92% | 54,230 psi | 85% | 2851 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 56,304 psi | 88% | 2851 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 51,779 psi | 81% | 2884 fps | 96.7% |
| Ramshot Hunter | <<locked>> | 94% | 56,811 psi | 89% | 2907 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,253 psi | 72% | 2759 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,043 psi | 58% | 1785 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 56,942 psi | 89% | 2831 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 57,174 psi | 90% | 2904 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 57,392 psi | 90% | 2936 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 55,477 psi | 87% | 2887 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 53,853 psi | 84% | 2913 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,612 psi | 67% | 2776 fps | 97.2% |
| Rottweil R 902 | <<locked>> | 84% | 56,811 psi | 89% | 2779 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 56,753 psi | 89% | 2828 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 54,665 psi | 86% | 2822 fps | 97% |
| Rottweil R 905 | <<locked>> | 98% | 55,071 psi | 86% | 2884 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 90% | 55,985 psi | 88% | 2815 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 92% | 57,711 psi | 90% | 2838 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 54,752 psi | 86% | 2769 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 55,550 psi | 87% | 2828 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 54,853 psi | 86% | 2838 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 55,767 psi | 87% | 2808 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 56,811 psi | 89% | 2707 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 54,302 psi | 85% | 2667 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 57,609 psi | 90% | 2795 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 54,592 psi | 86% | 2877 fps | 98.2% |
| Somchem S335 | <<locked>> | 82% | 56,478 psi | 89% | 2703 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 56,637 psi | 89% | 2822 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 56,623 psi | 89% | 2818 fps | 96.5% |
| Somchem S365 | <<locked>> | 96% | 57,188 psi | 90% | 2904 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 55,782 psi | 87% | 2861 fps | 99% |
| Vihtavuori N133 | <<locked>> | 82% | 57,290 psi | 90% | 2687 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 57,188 psi | 90% | 2740 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 57,421 psi | 90% | 2756 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 54,491 psi | 85% | 2749 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 56,608 psi | 89% | 2848 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 51,547 psi | 81% | 2779 fps | 98% |
| Vihtavuori N540 | <<locked>> | 84% | 55,637 psi | 87% | 2753 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 55,637 psi | 87% | 2851 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 56,202 psi | 88% | 2910 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 56,840 psi | 89% | 2976 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 56,260 psi | 88% | 2815 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 54,476 psi | 85% | 2867 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,266 psi | 71% | 2890 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 55,999 psi | 88% | 2815 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 55,999 psi | 88% | 2854 fps | 98.2% |
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 2495 | <<locked>> | 80% | 51,358 psi | 80% | 2661 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 49,066 psi | 77% | 2667 fps | 97.7% |
| Accurate 3100 | <<locked>> | 86% | 33,243 psi | 52% | 2434 fps | 95.1% |
| Accurate 4064 | <<locked>> | 80% | 48,675 psi | 76% | 2667 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,956 psi | 58% | 2533 fps | 98.1% |
| Accurate High Country | <<locked>> | 94% | 47,384 psi | 74% | 2831 fps | 95.6% |
| Accurate MAGPRO | <<locked>> | 98% | 51,517 psi | 81% | 2887 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 53,940 psi | 85% | 2785 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 45,788 psi | 72% | 2638 fps | 99.8% |
| ADI AR 2209 | <<locked>> | 90% | 43,671 psi | 68% | 2680 fps | 95.5% |
| ADI AR 2213 | <<locked>> | 96% | 47,572 psi | 75% | 2779 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 50,488 psi | 79% | 2851 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 46,383 psi | 73% | 2667 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,472 psi | 78% | 2733 fps | 100% |
| Alliant Reloder-16 | 55.6 gr | 80% | 36,056 psi | 56% | 2543 fps | 98.2% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,843 psi | 64% | 2667 fps | 99.9% |
| Alliant Reloder-19 | <<locked>> | 90% | 43,192 psi | 68% | 2674 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 94% | 43,439 psi | 68% | 2723 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,498 psi | 42% | 2300 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,924 psi | 53% | 2526 fps | 95.8% |
| Alliant Reloder-26 | 64.4 gr | 84% | 32,213 psi | 50% | 2526 fps | 96.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 53,664 psi | 84% | 2802 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 42,844 psi | 67% | 2710 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 46,601 psi | 73% | 2677 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 43,439 psi | 68% | 2723 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 41,002 psi | 64% | 2549 fps | 96% |
| Hodgdon H380 | <<locked>> | 80% | 46,905 psi | 74% | 2684 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 80% | 38,928 psi | 61% | 2579 fps | 96% |
| Hodgdon H4350 | <<locked>> | 80% | 41,814 psi | 66% | 2598 fps | 95.4% |
| Hodgdon H4831 | <<locked>> | 96% | 50,836 psi | 80% | 2789 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 96% | 49,908 psi | 78% | 2772 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,533 psi | 53% | 2438 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,126 psi | 80% | 2776 fps | 100% |
| Hodgdon Superformance | <<locked>> | 80% | 37,811 psi | 59% | 2585 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,122 psi | 43% | 1558 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 52,098 psi | 82% | 2743 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 48,167 psi | 75% | 2674 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,546 psi | 79% | 2703 fps | 98.6% |
| IMR 4350 | <<locked>> | 82% | 39,175 psi | 61% | 2533 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,438 psi | 67% | 2579 fps | 96.9% |
| IMR 4831 | <<locked>> | 80% | 35,520 psi | 56% | 2487 fps | 97.7% |
| IMR 4895 | <<locked>> | 80% | 50,734 psi | 80% | 2759 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 49,429 psi | 77% | 2726 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 98% | 48,225 psi | 76% | 2808 fps | 95.4% |
| Lovex S060 | <<locked>> | 80% | 52,721 psi | 83% | 2710 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 48,356 psi | 76% | 2671 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,089 psi | 63% | 2533 fps | 97.6% |
| Lovex S070 | <<locked>> | 80% | 38,276 psi | 60% | 2510 fps | 96% |
| Lovex S071 | <<locked>> | 92% | 34,374 psi | 54% | 2461 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 52,866 psi | 83% | 2733 fps | 100% |
| Norma 202 | <<locked>> | 80% | 53,461 psi | 84% | 2726 fps | 100% |
| Norma 203B | <<locked>> | 80% | 48,820 psi | 77% | 2720 fps | 100% |
| Norma 204 | <<locked>> | 86% | 44,280 psi | 69% | 2674 fps | 95.6% |
| Norma MRP | <<locked>> | 88% | 37,217 psi | 58% | 2615 fps | 95.2% |
| Norma URP | <<locked>> | 80% | 36,811 psi | 58% | 2530 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 80% | 49,037 psi | 77% | 2740 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 48,428 psi | 76% | 2822 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 35,694 psi | 56% | 2513 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 96% | 40,030 psi | 63% | 2635 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,673 psi | 43% | 1594 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 47,021 psi | 74% | 2671 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 53,548 psi | 84% | 2851 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,381 psi | 68% | 2720 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,622 psi | 57% | 2549 fps | 97.7% |
| ReloadSwiss RS 70 | 60.8 gr | 80% | 35,621 psi | 56% | 2552 fps | 97% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 39,755 psi | 62% | 2707 fps | 96% |
| Rottweil R 902 | <<locked>> | 80% | 50,183 psi | 79% | 2684 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,947 psi | 69% | 2625 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 48,167 psi | 75% | 2713 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 90% | 42,221 psi | 66% | 2654 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 80% | 41,002 psi | 64% | 2549 fps | 96% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,089 psi | 63% | 2533 fps | 97.6% |
| Shooters World Precision | <<locked>> | 80% | 48,356 psi | 76% | 2671 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,276 psi | 60% | 2510 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 45,063 psi | 71% | 2677 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,489 psi | 82% | 2759 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 53,534 psi | 84% | 2661 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,252 psi | 71% | 2533 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,102 psi | 61% | 2474 fps | 96.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 41,829 psi | 66% | 2651 fps | 95.3% |
| Somchem S335 | <<locked>> | 80% | 53,388 psi | 84% | 2664 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 44,338 psi | 69% | 2625 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 53,040 psi | 83% | 2766 fps | 95.8% |
| Somchem S365 | <<locked>> | 80% | 33,272 psi | 52% | 2487 fps | 99.5% |
| Somchem S385 | <<locked>> | 88% | 40,277 psi | 63% | 2585 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 80% | 54,070 psi | 85% | 2648 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 50,502 psi | 79% | 2648 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,705 psi | 79% | 2664 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 42,264 psi | 66% | 2556 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,159 psi | 60% | 2526 fps | 98.2% |
| Vihtavuori N165 | <<locked>> | 92% | 39,639 psi | 62% | 2566 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 48,849 psi | 77% | 2654 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,565 psi | 59% | 2530 fps | 97.9% |
| Vihtavuori N555 | <<locked>> | 80% | 29,066 psi | 46% | 2375 fps | 95.9% |
| Vihtavuori N560 | <<locked>> | 96% | 49,545 psi | 78% | 2848 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,260 psi | 58% | 2500 fps | 99.6% |
| Winchester 760 | <<locked>> | 80% | 38,928 psi | 61% | 2579 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 82% | 24,874 psi | 39% | 2320 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 52,402 psi | 82% | 2762 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 42,482 psi | 67% | 2625 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 107 powders for .308 Norma Mag. loaded with the .308 | 181gr | RWS H-Mantel. Norma MRP delivers the highest muzzle velocity at 2,982 fps; across all powders the maximum-charge window runs from 1,742 fps to 2,982 fps. Accurate 3100 gives the best case fill at 100 %, and 107 of the 107 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 181.0 gr projectile in 0.308" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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. ReloadSwiss RS 70, Alliant Reloder-26, Alliant Reloder-16 rank at the top here: for .308 Norma Mag. with the .308 | 181gr | RWS H-Mantel they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, ADI AR 2225, Baschieri & Pellagri 109 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.