Load Specifications
Load data in caliber .308 Norma Mag. with .308 | 180gr | Winchester Silvertip bullet and 90 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Accurate High Country and Norma MRP.
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>> | 82% | 57,217 psi | 90% | 2759 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 54,462 psi | 85% | 2779 fps | 98.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 56,782 psi | 89% | 2884 fps | 99.9% |
| Accurate 4064 | <<locked>> | 84% | 57,740 psi | 90% | 2818 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 55,085 psi | 86% | 2877 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 54,128 psi | 85% | 2969 fps | 97.5% |
| Accurate MAGPRO | <<locked>> | 98% | 54,998 psi | 86% | 2969 fps | 96.3% |
| ADI AR 2208 | <<locked>> | 86% | 57,493 psi | 90% | 2848 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 55,883 psi | 88% | 2923 fps | 98.5% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 57,217 psi | 90% | 2976 fps | 97.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 57,232 psi | 90% | 2976 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 54,882 psi | 86% | 2822 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 54,940 psi | 86% | 2841 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 55,782 psi | 87% | 2933 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 57,101 psi | 89% | 2956 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 55,317 psi | 87% | 2910 fps | 98.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 56,362 psi | 88% | 2972 fps | 98.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 53,229 psi | 83% | 2897 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 46,325 psi | 73% | 2831 fps | 99.6% |
| Alliant Reloder-26 | <<locked>> | 98% | 57,580 psi | 90% | 3041 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 51,750 psi | 81% | 2894 fps | 97.9% |
| Bofors RP3 | <<locked>> | 84% | 55,709 psi | 87% | 2835 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 56,362 psi | 88% | 2972 fps | 98.8% |
| Bofors RP7 | <<locked>> | 88% | 54,955 psi | 86% | 2825 fps | 99% |
| Hodgdon H380 | <<locked>> | 84% | 56,014 psi | 88% | 2854 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 57,000 psi | 89% | 2927 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 88% | 56,681 psi | 89% | 2887 fps | 98.8% |
| Hodgdon H4831 | <<locked>> | 98% | 57,493 psi | 90% | 2920 fps | 97.1% |
| Hodgdon H4831 SC | <<locked>> | 98% | 56,246 psi | 88% | 2900 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 56,188 psi | 88% | 2858 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 57,421 psi | 90% | 2890 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 45,339 psi | 71% | 2864 fps | 97.3% |
| Hodgdon Superformance | <<locked>> | 90% | 57,479 psi | 90% | 2969 fps | 99.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,521 psi | 57% | 1772 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 57,696 psi | 90% | 2848 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 56,884 psi | 89% | 2831 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 55,970 psi | 88% | 2818 fps | 99.4% |
| IMR 4350 | <<locked>> | 92% | 56,130 psi | 88% | 2861 fps | 99.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 56,710 psi | 89% | 2854 fps | 99.4% |
| IMR 4831 | <<locked>> | 92% | 55,347 psi | 87% | 2867 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 56,376 psi | 88% | 2867 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 55,245 psi | 87% | 2851 fps | 96.9% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 54,621 psi | 86% | 2946 fps | 97.3% |
| Lovex S062 | <<locked>> | 84% | 57,116 psi | 90% | 2822 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 56,855 psi | 89% | 2851 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 54,723 psi | 86% | 2838 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 47,166 psi | 74% | 2736 fps | 99% |
| Norma 203B | <<locked>> | 82% | 54,230 psi | 85% | 2825 fps | 100% |
| Norma 204 | <<locked>> | 92% | 56,971 psi | 89% | 2913 fps | 98.5% |
| Norma MRP | <<locked>> | 98% | 56,101 psi | 88% | 2999 fps | 99.6% |
| Norma URP | <<locked>> | 92% | 57,188 psi | 90% | 2913 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 55,201 psi | 87% | 2858 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 55,172 psi | 86% | 2966 fps | 97.8% |
| Ramshot Hunter | <<locked>> | 92% | 55,999 psi | 88% | 2917 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 49,182 psi | 77% | 2835 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,246 psi | 58% | 1814 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 55,927 psi | 88% | 2841 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 56,492 psi | 89% | 2943 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 54,897 psi | 86% | 2900 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 57,130 psi | 90% | 2986 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 45,324 psi | 71% | 2858 fps | 98.3% |
| Rottweil R 902 | <<locked>> | 82% | 55,550 psi | 87% | 2785 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 56,043 psi | 88% | 2835 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 57,595 psi | 90% | 2894 fps | 97.8% |
| Rottweil R 905 | <<locked>> | 96% | 54,505 psi | 85% | 2894 fps | 98.5% |
| Rottweil R 907 | <<locked>> | 88% | 54,955 psi | 86% | 2825 fps | 99% |
| Shooters World Long Rifle | <<locked>> | 90% | 56,855 psi | 89% | 2851 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 57,116 psi | 90% | 2822 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 54,723 psi | 86% | 2838 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 57,566 psi | 90% | 2894 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 56,507 psi | 89% | 2717 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 56,449 psi | 88% | 2802 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 57,740 psi | 90% | 2949 fps | 98.9% |
| Somchem S355 | <<locked>> | 86% | 55,680 psi | 87% | 2828 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 55,666 psi | 87% | 2831 fps | 96.7% |
| Somchem S365 | <<locked>> | 94% | 56,884 psi | 89% | 2917 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 55,288 psi | 87% | 2874 fps | 99.1% |
| Vihtavuori N135 | <<locked>> | 82% | 56,086 psi | 88% | 2743 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 56,289 psi | 88% | 2759 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 57,000 psi | 89% | 2802 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 55,767 psi | 87% | 2858 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 54,491 psi | 85% | 2848 fps | 98.7% |
| Vihtavuori N540 | <<locked>> | 82% | 54,418 psi | 85% | 2756 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 54,723 psi | 86% | 2858 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 55,825 psi | 87% | 2923 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 56,275 psi | 88% | 2986 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 55,216 psi | 87% | 2822 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 57,246 psi | 90% | 2930 fps | 99.6% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 48,704 psi | 76% | 2963 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 55,390 psi | 87% | 2867 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 2495 | <<locked>> | 80% | 53,592 psi | 84% | 2710 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 51,169 psi | 80% | 2726 fps | 98.3% |
| Accurate 3100 | <<locked>> | 84% | 33,040 psi | 52% | 2444 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 50,807 psi | 80% | 2720 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 39,015 psi | 61% | 2595 fps | 98.7% |
| Accurate High Country | 72.2 gr | 92% | 47,137 psi | 74% | 2844 fps | 95.8% |
| Accurate MAGPRO | <<locked>> | 96% | 51,213 psi | 80% | 2904 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 47,776 psi | 75% | 2697 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 42,975 psi | 67% | 2690 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 94% | 46,731 psi | 73% | 2789 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 53,301 psi | 84% | 2917 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,501 psi | 76% | 2720 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 51,561 psi | 81% | 2789 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 37,927 psi | 59% | 2605 fps | 98.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,134 psi | 68% | 2730 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 42,772 psi | 67% | 2684 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 90% | 40,335 psi | 63% | 2677 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,818 psi | 44% | 2359 fps | 96.7% |
| Alliant Reloder-25 | <<locked>> | 88% | 31,560 psi | 49% | 2480 fps | 95% |
| Alliant Reloder-26 | 64.7 gr | 80% | 29,849 psi | 47% | 2470 fps | 95.1% |
| Bofors RP15 | <<locked>> | 94% | 42,496 psi | 67% | 2720 fps | 95.6% |
| Bofors RP3 | <<locked>> | 80% | 48,907 psi | 77% | 2733 fps | 100% |
| Bofors RP5 | <<locked>> | 90% | 40,335 psi | 63% | 2677 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 42,830 psi | 67% | 2608 fps | 96.8% |
| Hodgdon H380 | <<locked>> | 80% | 49,269 psi | 77% | 2746 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 40,901 psi | 64% | 2641 fps | 96.9% |
| Hodgdon H4350 | <<locked>> | 80% | 43,830 psi | 69% | 2661 fps | 96.3% |
| Hodgdon H4831 | <<locked>> | 94% | 50,125 psi | 79% | 2799 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 94% | 49,008 psi | 77% | 2779 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,491 psi | 56% | 2500 fps | 99.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 53,679 psi | 84% | 2835 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 39,885 psi | 63% | 2733 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 39,929 psi | 63% | 2651 fps | 96.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,412 psi | 43% | 1585 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 54,157 psi | 85% | 2799 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,270 psi | 79% | 2730 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 52,373 psi | 82% | 2759 fps | 99% |
| IMR 4350 | <<locked>> | 80% | 38,450 psi | 60% | 2536 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,193 psi | 69% | 2638 fps | 97.6% |
| IMR 4831 | <<locked>> | 80% | 37,594 psi | 59% | 2549 fps | 98.5% |
| IMR 4895 | <<locked>> | 80% | 52,910 psi | 83% | 2815 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 48,747 psi | 76% | 2740 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 96% | 47,819 psi | 75% | 2825 fps | 95.7% |
| Lovex S062 | <<locked>> | 80% | 50,531 psi | 79% | 2726 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,756 psi | 65% | 2589 fps | 98.2% |
| Lovex S070 | <<locked>> | 80% | 40,089 psi | 63% | 2569 fps | 96.8% |
| Lovex S071 | <<locked>> | 90% | 34,258 psi | 54% | 2470 fps | 95.7% |
| Norma 203B | <<locked>> | 80% | 50,923 psi | 80% | 2776 fps | 100% |
| Norma 204 | <<locked>> | 84% | 43,482 psi | 68% | 2677 fps | 95.6% |
| Norma MRP | 67.5 gr | 86% | 36,956 psi | 58% | 2628 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 38,783 psi | 61% | 2589 fps | 98.6% |
| Ramshot Big Game | <<locked>> | 80% | 51,605 psi | 81% | 2802 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 44,469 psi | 70% | 2769 fps | 95% |
| Ramshot Hunter | <<locked>> | 80% | 37,565 psi | 59% | 2575 fps | 96.7% |
| Ramshot Magnum | <<locked>> | 94% | 39,639 psi | 62% | 2648 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,949 psi | 44% | 1624 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,153 psi | 77% | 2730 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 45,788 psi | 72% | 2779 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 38,769 psi | 61% | 2612 fps | 98.4% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,594 psi | 59% | 2621 fps | 97.9% |
| ReloadSwiss RS 76 | <<locked>> | 94% | 36,637 psi | 57% | 2651 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 52,373 psi | 82% | 2736 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 46,093 psi | 72% | 2680 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 47,485 psi | 74% | 2723 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 88% | 41,916 psi | 66% | 2667 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 42,830 psi | 67% | 2608 fps | 96.8% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,756 psi | 65% | 2589 fps | 98.2% |
| Shooters World Precision | <<locked>> | 80% | 50,531 psi | 79% | 2726 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,089 psi | 63% | 2569 fps | 96.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 47,181 psi | 74% | 2733 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,152 psi | 74% | 2585 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 40,973 psi | 64% | 2536 fps | 96.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 41,539 psi | 65% | 2661 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 46,195 psi | 72% | 2677 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 48,747 psi | 76% | 2717 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 35,230 psi | 55% | 2546 fps | 99.8% |
| Somchem S385 | <<locked>> | 84% | 37,202 psi | 58% | 2536 fps | 95% |
| Vihtavuori N135 | <<locked>> | 80% | 52,794 psi | 83% | 2700 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 52,837 psi | 83% | 2713 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 44,208 psi | 69% | 2608 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,074 psi | 63% | 2585 fps | 98.8% |
| Vihtavuori N165 | <<locked>> | 90% | 39,247 psi | 62% | 2572 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 51,155 psi | 80% | 2710 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,682 psi | 62% | 2592 fps | 98.6% |
| Vihtavuori N555 | <<locked>> | 80% | 30,922 psi | 48% | 2438 fps | 96.9% |
| Vihtavuori N560 | <<locked>> | 94% | 48,936 psi | 77% | 2861 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,146 psi | 61% | 2556 fps | 99.9% |
| Winchester 760 | <<locked>> | 80% | 41,104 psi | 64% | 2644 fps | 96.9% |
| Winchester StaBALL HD | <<locked>> | 80% | 24,627 psi | 39% | 2329 fps | 95.3% |
| Winchester Supreme 780 | <<locked>> | 90% | 41,829 psi | 66% | 2631 fps | 95.3% |
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 98 powders for .308 Norma Mag. loaded with the .308 | 180gr | Winchester Silvertip. Alliant Reloder-26 delivers the highest muzzle velocity at 3,041 fps; across all powders the maximum-charge window runs from 1,772 fps to 3,041 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, ADI AR 2217 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. Alliant Reloder-26, Accurate High Country, Norma MRP rank at the top here: for .308 Norma Mag. with the .308 | 180gr | Winchester Silvertip they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, 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.