Load Specifications
Load data in caliber .308 Norma Mag. with .308 | 168gr | Norma Diamond 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-17 and ReloadSwiss RS 60.
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% | 55,579 psi | 87% | 2825 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 57,232 psi | 90% | 2894 fps | 98.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,459 psi | 79% | 2867 fps | 98.8% |
| Accurate 4064 | <<locked>> | 86% | 56,072 psi | 88% | 2884 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 56,579 psi | 89% | 2986 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 55,288 psi | 87% | 3068 fps | 96.7% |
| ADI AR 2206H | <<locked>> | 82% | 55,085 psi | 86% | 2907 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 56,318 psi | 88% | 2913 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 57,595 psi | 90% | 3022 fps | 97.9% |
| ADI Benchmark 8208 | <<locked>> | 82% | 57,276 psi | 90% | 2904 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 55,361 psi | 87% | 3038 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 82% | 55,883 psi | 88% | 2920 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 56,927 psi | 89% | 2936 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 57,246 psi | 90% | 2959 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 57,101 psi | 89% | 3038 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 54,926 psi | 86% | 3015 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 56,681 psi | 89% | 3009 fps | 97.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,241 psi | 79% | 2946 fps | 96.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,297 psi | 74% | 2887 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,394 psi | 65% | 2795 fps | 97.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,215 psi | 85% | 3084 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 54,984 psi | 86% | 2923 fps | 100% |
| Bofors RP3 | <<locked>> | 86% | 54,230 psi | 85% | 2900 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,241 psi | 79% | 2946 fps | 96.7% |
| Bofors RP7 | <<locked>> | 92% | 57,261 psi | 90% | 2933 fps | 98.6% |
| Hodgdon BL-C2 | <<locked>> | 82% | 57,435 psi | 90% | 2936 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 54,839 psi | 86% | 2917 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 92% | 55,230 psi | 87% | 2979 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 90% | 55,143 psi | 86% | 2936 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 82% | 55,738 psi | 87% | 2917 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 57,551 psi | 90% | 2959 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 55,970 psi | 88% | 2956 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 55,463 psi | 87% | 3018 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,114 psi | 57% | 1811 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 56,884 psi | 89% | 2920 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 56,260 psi | 88% | 2894 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 55,825 psi | 87% | 2897 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,201 psi | 87% | 2877 fps | 98.7% |
| IMR 4350 | <<locked>> | 94% | 54,505 psi | 85% | 2910 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 90% | 55,448 psi | 87% | 2907 fps | 98.7% |
| IMR 4831 | <<locked>> | 96% | 56,956 psi | 89% | 2976 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,274 psi | 87% | 2936 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 57,101 psi | 89% | 2946 fps | 96.1% |
| IMR 8208 XBR | <<locked>> | 82% | 57,276 psi | 90% | 2904 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 55,405 psi | 87% | 2881 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 57,435 psi | 90% | 2881 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 55,854 psi | 88% | 2890 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 55,419 psi | 87% | 2904 fps | 99.5% |
| Lovex S070 | <<locked>> | 94% | 56,521 psi | 89% | 2943 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,916 psi | 66% | 2713 fps | 97.1% |
| Norma 201 | <<locked>> | 84% | 57,246 psi | 90% | 2900 fps | 100% |
| Norma 202 | <<locked>> | 82% | 54,679 psi | 86% | 2851 fps | 100% |
| Norma 203B | <<locked>> | 86% | 56,521 psi | 89% | 2943 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,259 psi | 87% | 2959 fps | 97.3% |
| Norma MRPᴾ | <<locked>> | 100% | 53,403 psi | 84% | 3035 fps | 98.6% |
| Norma URP | <<locked>> | 94% | 55,085 psi | 86% | 2966 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 86% | 57,537 psi | 90% | 2976 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 57,711 psi | 90% | 3022 fps | 99.6% |
| Ramshot TAC | <<locked>> | 82% | 57,638 psi | 90% | 2936 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 57,682 psi | 90% | 2946 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,796 psi | 58% | 1854 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 54,737 psi | 86% | 2897 fps | 99.1% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 54,404 psi | 85% | 2972 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,520 psi | 85% | 3009 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 56,246 psi | 88% | 3005 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 54,955 psi | 86% | 3035 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 84% | 54,592 psi | 86% | 2854 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,375 psi | 85% | 2897 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 55,883 psi | 88% | 2936 fps | 96.4% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 55,999 psi | 88% | 2995 fps | 97.8% |
| Rottweil R 907 | <<locked>> | 92% | 57,261 psi | 90% | 2933 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 92% | 55,419 psi | 87% | 2904 fps | 99.5% |
| Shooters World Match Rifle | <<locked>> | 82% | 55,405 psi | 87% | 2881 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 55,854 psi | 88% | 2890 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 56,521 psi | 89% | 2943 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 55,767 psi | 87% | 2953 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 56,318 psi | 88% | 2913 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 57,058 psi | 89% | 2930 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 54,824 psi | 86% | 2785 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 55,593 psi | 87% | 2785 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,303 psi | 87% | 2858 fps | 98.7% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 55,506 psi | 87% | 2989 fps | 97.7% |
| Somchem S335 | <<locked>> | 82% | 54,418 psi | 85% | 2782 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 55,941 psi | 88% | 2897 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,389 psi | 85% | 2890 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 54,288 psi | 85% | 2972 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 56,666 psi | 89% | 2969 fps | 98.6% |
| Vihtavuori N133 | <<locked>> | 82% | 55,303 psi | 87% | 2769 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 54,824 psi | 86% | 2815 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,129 psi | 86% | 2828 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 55,680 psi | 87% | 2867 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 57,566 psi | 90% | 2963 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,805 psi | 76% | 2828 fps | 96.8% |
| Vihtavuori N540 | <<locked>> | 86% | 56,927 psi | 89% | 2874 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 56,652 psi | 89% | 2969 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,011 psi | 83% | 2969 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 57,493 psi | 90% | 2933 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 55,230 psi | 87% | 2979 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,801 psi | 67% | 2936 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 57,421 psi | 90% | 2940 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,243 psi | 83% | 2907 fps | 97% |
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% | 48,921 psi | 77% | 2730 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,065 psi | 74% | 2723 fps | 96.5% |
| Accurate 3100 | <<locked>> | 90% | 35,853 psi | 56% | 2582 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 46,311 psi | 73% | 2733 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 34,954 psi | 55% | 2579 fps | 96.7% |
| Accurate High Country | <<locked>> | 98% | 51,503 psi | 81% | 3002 fps | 95.8% |
| ADI AR 2206H | <<locked>> | 80% | 51,851 psi | 81% | 2854 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,019 psi | 69% | 2703 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 94% | 47,355 psi | 74% | 2844 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 53,896 psi | 84% | 2854 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,051 psi | 75% | 2910 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 52,533 psi | 82% | 2867 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,208 psi | 69% | 2726 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,369 psi | 74% | 2795 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,432 psi | 54% | 2589 fps | 96.8% |
| Alliant Reloder-17 | 60.6 gr | 80% | 38,754 psi | 61% | 2717 fps | 99.3% |
| Alliant Reloder-19 | <<locked>> | 94% | 46,862 psi | 73% | 2835 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 96% | 44,048 psi | 69% | 2825 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 84% | 28,427 psi | 45% | 2441 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 96% | 36,622 psi | 57% | 2677 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 86% | 32,764 psi | 51% | 2621 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,547 psi | 81% | 2867 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 44,411 psi | 70% | 2740 fps | 99.9% |
| Bofors RP5 | <<locked>> | 96% | 44,048 psi | 69% | 2825 fps | 95% |
| Bofors RP7 | <<locked>> | 82% | 41,872 psi | 66% | 2654 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 53,563 psi | 84% | 2881 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 44,831 psi | 70% | 2743 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 82% | 39,581 psi | 62% | 2684 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 84% | 45,498 psi | 71% | 2766 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 52,388 psi | 82% | 2864 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,894 psi | 50% | 2487 fps | 97.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 48,747 psi | 76% | 2841 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 41,568 psi | 65% | 2756 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,064 psi | 42% | 1621 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,082 psi | 78% | 2815 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 52,721 psi | 83% | 2844 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,296 psi | 73% | 2740 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,472 psi | 76% | 2762 fps | 97.6% |
| IMR 4350 | <<locked>> | 86% | 42,511 psi | 67% | 2690 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 40,770 psi | 64% | 2635 fps | 95.5% |
| IMR 4831 | <<locked>> | 80% | 33,707 psi | 53% | 2533 fps | 96.4% |
| IMR 4895 | <<locked>> | 80% | 48,588 psi | 76% | 2825 fps | 99.9% |
| IMR 4955 Enduron | <<locked>> | 98% | 53,693 psi | 84% | 2894 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 80% | 53,896 psi | 84% | 2854 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 51,822 psi | 81% | 2831 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 50,937 psi | 80% | 2782 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 46,441 psi | 73% | 2736 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,261 psi | 60% | 2582 fps | 96.4% |
| Lovex S070 | <<locked>> | 82% | 38,928 psi | 61% | 2615 fps | 95.3% |
| Lovex S071 | <<locked>> | 96% | 36,898 psi | 58% | 2608 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 50,647 psi | 79% | 2799 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,155 psi | 80% | 2799 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,746 psi | 73% | 2782 fps | 99.8% |
| Norma 204 | <<locked>> | 90% | 48,211 psi | 76% | 2841 fps | 95.8% |
| Norma MRP | <<locked>> | 92% | 40,393 psi | 63% | 2779 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 34,824 psi | 55% | 2572 fps | 96.5% |
| Ramshot Big Game | <<locked>> | 80% | 46,702 psi | 73% | 2799 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 36,143 psi | 57% | 2612 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 53,896 psi | 84% | 2874 fps | 99.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 53,853 psi | 84% | 2890 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,398 psi | 43% | 1657 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,034 psi | 71% | 2726 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 50,981 psi | 80% | 2917 fps | 99.9% |
| ReloadSwiss RS 60 | 60.6 gr | 80% | 41,176 psi | 65% | 2779 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,548 psi | 54% | 2589 fps | 96.2% |
| ReloadSwiss RS 70 | 61.5 gr | 80% | 33,881 psi | 53% | 2589 fps | 95.2% |
| Rottweil R 902 | <<locked>> | 80% | 48,240 psi | 76% | 2753 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,727 psi | 65% | 2680 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 96% | 52,214 psi | 82% | 2877 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 94% | 45,861 psi | 72% | 2818 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 82% | 41,872 psi | 66% | 2654 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,261 psi | 60% | 2582 fps | 96.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 51,822 psi | 81% | 2831 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,441 psi | 73% | 2736 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 38,928 psi | 61% | 2615 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,960 psi | 67% | 2733 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 52,692 psi | 83% | 2854 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,343 psi | 79% | 2825 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,474 psi | 81% | 2736 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,366 psi | 68% | 2602 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 39,900 psi | 63% | 2579 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 45,440 psi | 71% | 2812 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 51,256 psi | 80% | 2736 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,446 psi | 82% | 2844 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 42,264 psi | 66% | 2684 fps | 99.6% |
| Somchem S365 | <<locked>> | 80% | 31,473 psi | 49% | 2533 fps | 98.7% |
| Somchem S385 | <<locked>> | 90% | 40,799 psi | 64% | 2684 fps | 95% |
| Vihtavuori N133 | <<locked>> | 80% | 51,996 psi | 81% | 2720 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,254 psi | 76% | 2720 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,486 psi | 76% | 2733 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,234 psi | 63% | 2612 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 36,332 psi | 57% | 2575 fps | 97% |
| Vihtavuori N165 | <<locked>> | 96% | 42,728 psi | 67% | 2713 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 46,862 psi | 73% | 2723 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,737 psi | 56% | 2575 fps | 96.6% |
| Vihtavuori N555 | <<locked>> | 82% | 29,254 psi | 46% | 2467 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,665 psi | 56% | 2549 fps | 98.8% |
| Winchester 760 | <<locked>> | 82% | 39,581 psi | 62% | 2684 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 86% | 26,847 psi | 42% | 2467 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,154 psi | 79% | 2831 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 46,238 psi | 72% | 2785 fps | 95.4% |
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 115 powders for .308 Norma Mag. loaded with the .308 | 168gr | Norma Diamond. Alliant Reloder-26 delivers the highest muzzle velocity at 3,084 fps; across all powders the maximum-charge window runs from 1,811 fps to 3,084 fps. Accurate 3100 gives the best case fill at 100 %, and 115 of the 115 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.308" calls for a 1:13.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, Accurate MAGPRO 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-17, ReloadSwiss RS 60 rank at the top here: for .308 Norma Mag. with the .308 | 168gr | Norma Diamond they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, Hodgdon H1000, Hodgdon Retumbo 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.