Load Specifications
Load data in caliber .308 Norma Mag. with .308 | 180gr | Alaska Bullet Works Kodiak SP SPBC bullet and 101 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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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 2495 | <<locked>> | 84% | 57,217 psi | 90% | 2743 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 54,810 psi | 86% | 2759 fps | 98.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,069 psi | 82% | 2799 fps | 99.4% |
| Accurate 4064 | <<locked>> | 86% | 57,566 psi | 90% | 2799 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 54,491 psi | 85% | 2854 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 56,565 psi | 89% | 2828 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 57,667 psi | 90% | 2831 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 55,347 psi | 87% | 2890 fps | 98% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 53,142 psi | 83% | 2884 fps | 96.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,942 psi | 89% | 2953 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,911 psi | 86% | 2805 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 55,216 psi | 87% | 2825 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 55,230 psi | 87% | 2907 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 56,579 psi | 89% | 2933 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 54,650 psi | 86% | 2877 fps | 98% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,837 psi | 81% | 2881 fps | 97.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,921 psi | 77% | 2818 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,627 psi | 67% | 2736 fps | 98.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 56,173 psi | 88% | 3012 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 56,550 psi | 89% | 2848 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 47,630 psi | 75% | 2805 fps | 96.6% |
| Bofors RP3 | <<locked>> | 86% | 55,608 psi | 87% | 2818 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,837 psi | 81% | 2881 fps | 97.7% |
| Bofors RP7 | <<locked>> | 90% | 55,071 psi | 86% | 2802 fps | 98.7% |
| Hodgdon H380 | <<locked>> | 86% | 56,159 psi | 88% | 2838 fps | 100% |
| Hodgdon H414 | <<locked>> | 92% | 56,739 psi | 89% | 2904 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 90% | 56,637 psi | 89% | 2864 fps | 98.5% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 56,913 psi | 89% | 2887 fps | 96.4% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 55,811 psi | 87% | 2871 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 82% | 57,174 psi | 90% | 2835 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 55,448 psi | 87% | 2831 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 57,406 psi | 90% | 2871 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 57,000 psi | 89% | 2943 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,332 psi | 57% | 1742 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 54,636 psi | 86% | 2785 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 57,087 psi | 89% | 2812 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 56,463 psi | 88% | 2802 fps | 99.2% |
| IMR 4350 | <<locked>> | 94% | 55,854 psi | 88% | 2835 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,710 psi | 89% | 2831 fps | 99.2% |
| IMR 4831 | <<locked>> | 94% | 54,955 psi | 86% | 2844 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 56,652 psi | 89% | 2854 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,911 psi | 86% | 2822 fps | 96.3% |
| Lovex D073.6 | <<locked>> | 82% | 56,869 psi | 89% | 2799 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 55,303 psi | 87% | 2749 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 57,188 psi | 90% | 2805 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,797 psi | 89% | 2828 fps | 99.8% |
| Lovex S070 | <<locked>> | 92% | 54,607 psi | 86% | 2815 fps | 99.2% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,279 psi | 68% | 2651 fps | 98% |
| Norma 201 | <<locked>> | 82% | 55,187 psi | 86% | 2769 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,840 psi | 88% | 2766 fps | 100% |
| Norma 203B | <<locked>> | 84% | 54,505 psi | 85% | 2812 fps | 100% |
| Norma 204 | <<locked>> | 94% | 56,913 psi | 89% | 2890 fps | 98.1% |
| Norma MRPᴾ | <<locked>> | 100% | 55,056 psi | 86% | 2966 fps | 99.2% |
| Norma URP | <<locked>> | 94% | 56,840 psi | 89% | 2890 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 55,027 psi | 86% | 2838 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 50,836 psi | 80% | 2867 fps | 96.2% |
| Ramshot Hunter | <<locked>> | 94% | 55,637 psi | 87% | 2894 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 45,136 psi | 71% | 2740 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,057 psi | 58% | 1785 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 56,057 psi | 88% | 2822 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,970 psi | 88% | 2890 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 56,014 psi | 88% | 2927 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 54,230 psi | 85% | 2877 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 56,565 psi | 89% | 2959 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,611 psi | 65% | 2749 fps | 96.5% |
| Rottweil R 902 | <<locked>> | 84% | 55,956 psi | 88% | 2772 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 55,695 psi | 87% | 2815 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 57,130 psi | 90% | 2861 fps | 97.3% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 57,595 psi | 90% | 2923 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 90% | 55,071 psi | 86% | 2802 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,797 psi | 89% | 2828 fps | 99.8% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,869 psi | 89% | 2799 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 57,188 psi | 90% | 2805 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 54,607 psi | 86% | 2815 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 57,334 psi | 90% | 2874 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,810 psi | 86% | 2799 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,985 psi | 88% | 2700 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,855 psi | 89% | 2700 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 56,507 psi | 89% | 2782 fps | 99.2% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 57,087 psi | 89% | 2917 fps | 98.5% |
| Somchem S335 | <<locked>> | 82% | 55,680 psi | 87% | 2697 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 57,566 psi | 90% | 2818 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 55,622 psi | 87% | 2808 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 55,434 psi | 87% | 2802 fps | 96.1% |
| Somchem S365 | <<locked>> | 96% | 55,811 psi | 87% | 2890 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 54,665 psi | 86% | 2844 fps | 98.7% |
| Vihtavuori N133 | <<locked>> | 82% | 56,449 psi | 88% | 2680 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 56,246 psi | 88% | 2730 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 56,376 psi | 88% | 2743 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 57,058 psi | 89% | 2785 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 55,361 psi | 87% | 2831 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,256 psi | 79% | 2762 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 84% | 54,737 psi | 86% | 2743 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 54,462 psi | 85% | 2838 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 54,940 psi | 86% | 2897 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 55,492 psi | 87% | 2953 fps | 96.6% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,940 psi | 86% | 2802 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 57,000 psi | 89% | 2907 fps | 99.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,121 psi | 69% | 2871 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 54,998 psi | 86% | 2805 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 54,679 psi | 86% | 2838 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 2495 | <<locked>> | 80% | 50,212 psi | 79% | 2651 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 48,153 psi | 75% | 2651 fps | 97.4% |
| Accurate 3100 | <<locked>> | 88% | 34,708 psi | 54% | 2470 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 47,543 psi | 75% | 2654 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,187 psi | 57% | 2520 fps | 97.7% |
| ADI AR 2206H | <<locked>> | 80% | 53,098 psi | 83% | 2776 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 45,063 psi | 71% | 2628 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 90% | 42,699 psi | 67% | 2661 fps | 95% |
| ADI AR 2213 | <<locked>> | 98% | 49,777 psi | 78% | 2822 fps | 95.4% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 49,487 psi | 78% | 2838 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,382 psi | 71% | 2654 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,660 psi | 76% | 2723 fps | 99.9% |
| Alliant Reloder-16 | 54.8 gr | 80% | 35,389 psi | 55% | 2530 fps | 97.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,900 psi | 63% | 2651 fps | 99.8% |
| Alliant Reloder-19 | <<locked>> | 90% | 42,366 psi | 66% | 2657 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 94% | 42,424 psi | 66% | 2703 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,860 psi | 41% | 2283 fps | 95.1% |
| Alliant Reloder-25 | <<locked>> | 92% | 33,156 psi | 52% | 2507 fps | 95.2% |
| Alliant Reloder-26 | 63.5 gr | 84% | 31,531 psi | 49% | 2507 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 52,692 psi | 83% | 2789 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 44,628 psi | 70% | 2746 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 45,759 psi | 72% | 2664 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 42,424 psi | 66% | 2703 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 40,306 psi | 63% | 2536 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 46,137 psi | 72% | 2674 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 80% | 38,043 psi | 60% | 2562 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 80% | 41,118 psi | 64% | 2585 fps | 95% |
| Hodgdon H4831 | <<locked>> | 98% | 53,258 psi | 83% | 2831 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 98% | 52,228 psi | 82% | 2812 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 53,722 psi | 84% | 2785 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,837 psi | 51% | 2425 fps | 98.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 50,299 psi | 79% | 2769 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 39,711 psi | 62% | 2631 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,209 psi | 43% | 1558 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 51,314 psi | 80% | 2736 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,398 psi | 74% | 2661 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,632 psi | 78% | 2690 fps | 98.3% |
| IMR 4350 | <<locked>> | 82% | 38,508 psi | 60% | 2520 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,800 psi | 66% | 2566 fps | 96.5% |
| IMR 4831 | <<locked>> | 80% | 34,795 psi | 55% | 2474 fps | 97.4% |
| IMR 4895 | <<locked>> | 80% | 49,922 psi | 78% | 2749 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 51,590 psi | 81% | 2766 fps | 95.5% |
| Lovex D073.6 | <<locked>> | 80% | 53,359 psi | 84% | 2749 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,967 psi | 81% | 2700 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,558 psi | 75% | 2661 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,233 psi | 61% | 2520 fps | 97.3% |
| Lovex S070 | <<locked>> | 80% | 37,463 psi | 59% | 2497 fps | 95.6% |
| Lovex S071 | <<locked>> | 92% | 33,562 psi | 53% | 2444 fps | 95% |
| Norma 201 | <<locked>> | 80% | 51,793 psi | 81% | 2720 fps | 100% |
| Norma 202 | <<locked>> | 80% | 52,388 psi | 82% | 2717 fps | 100% |
| Norma 203B | <<locked>> | 80% | 48,022 psi | 75% | 2710 fps | 100% |
| Norma 204 | <<locked>> | 86% | 43,410 psi | 68% | 2657 fps | 95.1% |
| Norma MRP | <<locked>> | 90% | 38,885 psi | 61% | 2657 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 35,940 psi | 56% | 2513 fps | 97.6% |
| Ramshot Big Game | <<locked>> | 80% | 48,051 psi | 75% | 2726 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 47,239 psi | 74% | 2799 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 34,896 psi | 55% | 2497 fps | 95.4% |
| Ramshot Magnum | <<locked>> | 98% | 41,945 psi | 66% | 2674 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,572 psi | 43% | 1594 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,122 psi | 72% | 2657 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 52,402 psi | 82% | 2838 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,395 psi | 66% | 2707 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,853 psi | 56% | 2536 fps | 97.3% |
| ReloadSwiss RS 70 | 59.9 gr | 80% | 34,896 psi | 55% | 2536 fps | 96.5% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,885 psi | 61% | 2684 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 49,371 psi | 77% | 2671 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,931 psi | 67% | 2612 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 92% | 47,326 psi | 74% | 2700 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 92% | 44,150 psi | 69% | 2697 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 40,306 psi | 63% | 2536 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,233 psi | 61% | 2520 fps | 97.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 53,359 psi | 84% | 2749 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,558 psi | 75% | 2661 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,463 psi | 59% | 2497 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,106 psi | 69% | 2664 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 51,532 psi | 81% | 2746 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,707 psi | 83% | 2654 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,483 psi | 70% | 2526 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,493 psi | 60% | 2464 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 43,729 psi | 69% | 2690 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 52,373 psi | 82% | 2651 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 53,563 psi | 84% | 2762 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,337 psi | 68% | 2608 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 51,851 psi | 81% | 2746 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 32,547 psi | 51% | 2474 fps | 99.3% |
| Somchem S385 | <<locked>> | 88% | 39,465 psi | 62% | 2572 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 53,214 psi | 83% | 2638 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,603 psi | 78% | 2638 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,690 psi | 78% | 2651 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,336 psi | 65% | 2543 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,463 psi | 59% | 2516 fps | 97.9% |
| Vihtavuori N165 | <<locked>> | 94% | 41,278 psi | 65% | 2598 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 80% | 48,095 psi | 75% | 2648 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,912 psi | 58% | 2516 fps | 97.6% |
| Vihtavuori N555 | <<locked>> | 80% | 28,340 psi | 44% | 2362 fps | 95.4% |
| Vihtavuori N560 | <<locked>> | 98% | 51,750 psi | 81% | 2890 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,535 psi | 57% | 2484 fps | 99.4% |
| Winchester 760 | <<locked>> | 80% | 38,203 psi | 60% | 2566 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 84% | 25,991 psi | 41% | 2365 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 51,445 psi | 81% | 2753 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 44,411 psi | 70% | 2664 fps | 95.6% |
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 109 powders for .308 Norma Mag. loaded with the .308 | 180gr | Alaska Bullet Works Kodiak SP SPBC. Alliant Reloder-26 delivers the highest muzzle velocity at 3,012 fps; across all powders the maximum-charge window runs from 1,742 fps to 3,012 fps. Accurate 3100 gives the best case fill at 100 %, and 109 of the 109 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:13.0 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 | 180gr | Alaska Bullet Works Kodiak SP SPBC they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2225, Baschieri & Pellagri 109, Bofors RP30 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.