Load Specifications
Load data in caliber .300 Win. Mag. with .308 | 150gr | Berger Target FB bullet and 93 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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.
A valid access license is required to use the Personalized Load Calculator.
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% | 53,751 psi | 86% | 2969 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 55,492 psi | 89% | 3022 fps | 97.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 48,573 psi | 78% | 2986 fps | 97.8% |
| Accurate 4064 | <<locked>> | 86% | 54,041 psi | 87% | 3022 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 54,317 psi | 87% | 3110 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 53,490 psi | 86% | 3045 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 88% | 54,708 psi | 88% | 3051 fps | 99.9% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 55,898 psi | 90% | 3150 fps | 96.7% |
| ADI Benchmark 8208 | <<locked>> | 82% | 55,680 psi | 89% | 3048 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 53,374 psi | 86% | 3169 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,042 psi | 88% | 3074 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 55,448 psi | 89% | 3097 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 96% | 55,288 psi | 89% | 3176 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 52,678 psi | 84% | 3146 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 54,882 psi | 88% | 3133 fps | 96.7% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 45,484 psi | 73% | 3009 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,074 psi | 64% | 2900 fps | 96.2% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 52,011 psi | 83% | 3202 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 53,316 psi | 85% | 3058 fps | 99.6% |
| Bofors RP3 | <<locked>> | 88% | 55,869 psi | 90% | 3091 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 55,448 psi | 89% | 3061 fps | 97.7% |
| Hodgdon BL-C2 | <<locked>> | 82% | 55,535 psi | 89% | 3077 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 52,895 psi | 85% | 3045 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 92% | 53,156 psi | 85% | 3104 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 90% | 53,505 psi | 86% | 3068 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 82% | 54,085 psi | 87% | 3058 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 55,259 psi | 89% | 3094 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 53,954 psi | 87% | 3091 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 53,490 psi | 86% | 3136 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,911 psi | 58% | 1929 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,187 psi | 88% | 3061 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 54,418 psi | 87% | 3041 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 54,085 psi | 87% | 3031 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 84% | 53,505 psi | 86% | 3005 fps | 97.8% |
| IMR 4350 | <<locked>> | 96% | 56,376 psi | 90% | 3094 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 90% | 53,867 psi | 86% | 3038 fps | 97.8% |
| IMR 4831 | <<locked>> | 96% | 54,969 psi | 88% | 3107 fps | 99.8% |
| IMR 4895 | <<locked>> | 84% | 53,388 psi | 86% | 3071 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 55,680 psi | 89% | 3048 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 53,650 psi | 86% | 3022 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,985 psi | 90% | 3025 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 54,085 psi | 87% | 3028 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 53,664 psi | 86% | 3035 fps | 98.9% |
| Lovex S070 | <<locked>> | 94% | 54,897 psi | 88% | 3074 fps | 98.3% |
| Norma 201 | <<locked>> | 84% | 55,579 psi | 89% | 3041 fps | 100% |
| Norma 202 | <<locked>> | 84% | 56,391 psi | 90% | 3045 fps | 100% |
| Norma 203B | <<locked>> | 86% | 54,737 psi | 88% | 3084 fps | 100% |
| Norma 204 | <<locked>> | 94% | 53,519 psi | 86% | 3084 fps | 96.1% |
| Norma MRPᴾ | <<locked>> | 100% | 51,387 psi | 82% | 3153 fps | 97.5% |
| Norma URP | <<locked>> | 94% | 53,301 psi | 85% | 3097 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 86% | 55,376 psi | 89% | 3107 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 55,651 psi | 89% | 3153 fps | 98.9% |
| Ramshot TAC | <<locked>> | 82% | 55,811 psi | 89% | 3068 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 82% | 55,782 psi | 89% | 3084 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,521 psi | 59% | 1972 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 53,026 psi | 85% | 3025 fps | 98.3% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 56,376 psi | 90% | 3169 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 56,086 psi | 90% | 3202 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 54,114 psi | 87% | 3133 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 53,156 psi | 85% | 3163 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 86% | 56,333 psi | 90% | 3045 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 55,970 psi | 90% | 3087 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 53,896 psi | 86% | 3117 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 92% | 55,448 psi | 89% | 3061 fps | 97.7% |
| Shooters World Long Rifle | <<locked>> | 92% | 53,664 psi | 86% | 3035 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 53,650 psi | 86% | 3022 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 54,085 psi | 87% | 3028 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 54,897 psi | 88% | 3074 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 54,041 psi | 87% | 3094 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 54,621 psi | 88% | 3045 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 55,506 psi | 89% | 3071 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 53,243 psi | 85% | 2927 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 53,954 psi | 87% | 2927 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 53,635 psi | 86% | 2982 fps | 97.8% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 53,403 psi | 86% | 3110 fps | 96.5% |
| Somchem S335 | <<locked>> | 84% | 56,217 psi | 90% | 2972 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 54,288 psi | 87% | 3035 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 55,840 psi | 90% | 3077 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 55,695 psi | 89% | 3159 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 54,665 psi | 88% | 3091 fps | 97.5% |
| Vihtavuori N133 | <<locked>> | 82% | 53,664 psi | 86% | 2910 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 56,434 psi | 90% | 3005 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 53,432 psi | 86% | 2969 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 53,925 psi | 86% | 3005 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 55,434 psi | 89% | 3094 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 82% | 56,260 psi | 90% | 3048 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 55,100 psi | 88% | 3015 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 54,694 psi | 88% | 3097 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 50,923 psi | 82% | 3094 fps | 99.7% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 55,419 psi | 89% | 3064 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 53,388 psi | 86% | 3107 fps | 97.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,031 psi | 66% | 3038 fps | 99.9% |
| Winchester StaBALL Match | <<locked>> | 84% | 55,419 psi | 89% | 3077 fps | 100% |
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% | 47,297 psi | 76% | 2867 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 45,571 psi | 73% | 2841 fps | 95.2% |
| Accurate 3100 | <<locked>> | 94% | 39,291 psi | 63% | 2799 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 44,730 psi | 72% | 2864 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,446 psi | 54% | 2677 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 50,241 psi | 81% | 2989 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 80% | 42,627 psi | 68% | 2825 fps | 98.4% |
| ADI AR 2209 | <<locked>> | 96% | 49,023 psi | 79% | 3022 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,286 psi | 84% | 2992 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,354 psi | 74% | 3035 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,757 psi | 69% | 2851 fps | 99.5% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,788 psi | 73% | 2923 fps | 99.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,170 psi | 53% | 2690 fps | 95.1% |
| Alliant Reloder-17 | 63.3 gr | 80% | 37,246 psi | 60% | 2825 fps | 98.4% |
| Alliant Reloder-19 | <<locked>> | 96% | 48,269 psi | 77% | 3012 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 88% | 31,140 psi | 50% | 2654 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 98% | 37,623 psi | 60% | 2838 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 90% | 36,129 psi | 58% | 2848 fps | 95.6% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,893 psi | 80% | 2999 fps | 99.3% |
| Bofors RP3 | <<locked>> | 80% | 42,757 psi | 69% | 2858 fps | 99.5% |
| Bofors RP7 | <<locked>> | 86% | 46,021 psi | 74% | 2887 fps | 95.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,851 psi | 83% | 3018 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,381 psi | 70% | 2864 fps | 97.7% |
| Hodgdon H414 | <<locked>> | 86% | 43,555 psi | 70% | 2917 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 86% | 46,934 psi | 75% | 2943 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 50,749 psi | 81% | 3002 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,647 psi | 49% | 2585 fps | 96% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,181 psi | 76% | 2976 fps | 99.9% |
| Hodgdon Superformance | 73.6 gr | 88% | 46,151 psi | 74% | 2999 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,760 psi | 43% | 1722 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 48,573 psi | 78% | 2946 fps | 99.8% |
| IMR 3031 | <<locked>> | 80% | 50,894 psi | 82% | 2986 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,802 psi | 72% | 2864 fps | 99% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,239 psi | 76% | 2890 fps | 96.5% |
| IMR 4350 | <<locked>> | 90% | 46,673 psi | 75% | 2920 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 44,686 psi | 72% | 2864 fps | 95.7% |
| IMR 4831 | <<locked>> | 82% | 34,621 psi | 56% | 2694 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 46,963 psi | 75% | 2956 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 80% | 52,286 psi | 84% | 2992 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,082 psi | 80% | 2966 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,414 psi | 79% | 2913 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 44,860 psi | 72% | 2864 fps | 99.8% |
| Lovex S065 | <<locked>> | 82% | 39,349 psi | 63% | 2749 fps | 95.7% |
| Lovex S070 | <<locked>> | 86% | 42,641 psi | 68% | 2841 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 49,182 psi | 79% | 2936 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,647 psi | 80% | 2940 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,194 psi | 72% | 2910 fps | 99.3% |
| Norma 204 | <<locked>> | 92% | 49,879 psi | 80% | 3022 fps | 95.2% |
| Norma MRP | <<locked>> | 96% | 44,628 psi | 72% | 3015 fps | 95.7% |
| Norma URP | <<locked>> | 82% | 35,853 psi | 57% | 2740 fps | 95.9% |
| Ramshot Big Game | <<locked>> | 80% | 45,136 psi | 72% | 2927 fps | 99.2% |
| Ramshot Hunter | <<locked>> | 86% | 39,798 psi | 64% | 2841 fps | 95.4% |
| Ramshot TAC | <<locked>> | 80% | 52,315 psi | 84% | 3005 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 80% | 52,199 psi | 84% | 3025 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,180 psi | 44% | 1765 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,569 psi | 70% | 2844 fps | 96.2% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,892 psi | 78% | 3041 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 39,610 psi | 64% | 2897 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 35,491 psi | 57% | 2753 fps | 95.5% |
| ReloadSwiss RS 70 | 67.5 gr | 84% | 37,492 psi | 60% | 2822 fps | 95.6% |
| Rottweil R 902 | <<locked>> | 80% | 46,731 psi | 75% | 2884 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 40,219 psi | 64% | 2799 fps | 99% |
| Rottweil R 905 | <<locked>> | 98% | 50,372 psi | 81% | 3051 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 86% | 46,021 psi | 74% | 2887 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 82% | 39,349 psi | 63% | 2749 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,082 psi | 80% | 2966 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,860 psi | 72% | 2864 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 86% | 42,641 psi | 68% | 2841 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,249 psi | 66% | 2851 fps | 98.6% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,039 psi | 82% | 2986 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,602 psi | 78% | 2953 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,096 psi | 80% | 2874 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,090 psi | 67% | 2730 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 44,005 psi | 71% | 2805 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 49,893 psi | 80% | 3048 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 49,893 psi | 80% | 2877 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 50,763 psi | 81% | 2976 fps | 99.8% |
| Somchem S355 | <<locked>> | 80% | 40,886 psi | 66% | 2805 fps | 99% |
| Somchem S365 | <<locked>> | 80% | 30,052 psi | 48% | 2625 fps | 97.3% |
| Somchem S385 | <<locked>> | 94% | 44,802 psi | 72% | 2910 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 50,546 psi | 81% | 2864 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,659 psi | 75% | 2858 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,978 psi | 75% | 2864 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,885 psi | 62% | 2730 fps | 99.5% |
| Vihtavuori N160 | <<locked>> | 80% | 34,940 psi | 56% | 2684 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 52,518 psi | 84% | 2989 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,484 psi | 73% | 2858 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,476 psi | 55% | 2680 fps | 95% |
| Vihtavuori N555 | <<locked>> | 86% | 31,821 psi | 51% | 2674 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,461 psi | 55% | 2654 fps | 97.7% |
| Winchester 760 | <<locked>> | 86% | 43,729 psi | 70% | 2920 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 90% | 29,385 psi | 47% | 2677 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 48,602 psi | 78% | 2963 fps | 99.9% |
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 93 powders for .300 Win. Mag. loaded with the .308 | 150gr | Berger Target FB. Alliant Reloder-26 delivers the highest muzzle velocity at 3,202 fps; across all powders the maximum-charge window runs from 1,929 fps to 3,202 fps. Accurate 3100 gives the best case fill at 100 %, and 93 of the 93 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.308" calls for a 1:14.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-19 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .300 Win. Mag. with the .308 | 150gr | Berger Target FB 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.