Load Specifications
Load data in caliber .300 Win. Mag. with .308 | 150gr | Winchester Powerpoint 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 60, Alliant Reloder-16 and ReloadSwiss RS 70.
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% | 55,550 psi | 89% | 2999 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 54,882 psi | 88% | 3009 fps | 97.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,473 psi | 81% | 3025 fps | 98.3% |
| Accurate 4064 | <<locked>> | 86% | 55,796 psi | 89% | 3054 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 56,318 psi | 90% | 3150 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 82% | 54,853 psi | 88% | 3077 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 56,159 psi | 90% | 3084 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 53,838 psi | 86% | 3123 fps | 96.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 55,129 psi | 88% | 3205 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 53,998 psi | 87% | 3123 fps | 96.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,214 psi | 85% | 3051 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 53,606 psi | 86% | 3074 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 53,417 psi | 86% | 3153 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 54,824 psi | 88% | 3182 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,229 psi | 85% | 3114 fps | 96.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,343 psi | 81% | 3104 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,268 psi | 76% | 3045 fps | 99.9% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,437 psi | 66% | 2943 fps | 96.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,288 psi | 87% | 3248 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 54,955 psi | 88% | 3094 fps | 99.8% |
| Bofors RP3 | <<locked>> | 86% | 54,128 psi | 87% | 3071 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,343 psi | 81% | 3104 fps | 96% |
| Bofors RP7 | <<locked>> | 90% | 53,563 psi | 86% | 3038 fps | 97.5% |
| Hodgdon H380 | <<locked>> | 86% | 54,578 psi | 88% | 3081 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 88% | 52,663 psi | 84% | 3100 fps | 97.9% |
| Hodgdon H4350 | <<locked>> | 92% | 53,243 psi | 85% | 3071 fps | 96.8% |
| Hodgdon H4895 | <<locked>> | 82% | 55,492 psi | 89% | 3087 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 53,824 psi | 86% | 3077 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 55,709 psi | 89% | 3127 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 55,434 psi | 89% | 3179 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,129 psi | 58% | 1946 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 55,550 psi | 89% | 3074 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 54,636 psi | 88% | 3048 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 54,969 psi | 88% | 3054 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 53,998 psi | 87% | 3025 fps | 98.1% |
| IMR 4350 | <<locked>> | 94% | 54,360 psi | 87% | 3071 fps | 97.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 55,361 psi | 89% | 3074 fps | 98.2% |
| IMR 4831 | <<locked>> | 98% | 53,954 psi | 87% | 3094 fps | 99.7% |
| IMR 4895 | <<locked>> | 84% | 54,998 psi | 88% | 3104 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 55,317 psi | 89% | 3051 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 53,940 psi | 86% | 3002 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 55,651 psi | 89% | 3061 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 55,172 psi | 88% | 3068 fps | 99.2% |
| Lovex S070 | <<locked>> | 92% | 53,055 psi | 85% | 3051 fps | 98.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,829 psi | 67% | 2858 fps | 96.4% |
| Norma 201 | <<locked>> | 82% | 53,592 psi | 86% | 3018 fps | 100% |
| Norma 202 | <<locked>> | 82% | 54,360 psi | 87% | 3022 fps | 100% |
| Norma 203B | <<locked>> | 86% | 56,246 psi | 90% | 3114 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,114 psi | 88% | 3120 fps | 96.7% |
| Norma MRPᴾ | <<locked>> | 100% | 53,359 psi | 86% | 3196 fps | 98.1% |
| Norma URP | <<locked>> | 94% | 55,187 psi | 88% | 3136 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 84% | 53,374 psi | 86% | 3081 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 53,882 psi | 86% | 3130 fps | 98.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 49,313 psi | 79% | 3054 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,738 psi | 59% | 1988 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 54,549 psi | 87% | 3061 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 54,259 psi | 87% | 3143 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,157 psi | 87% | 3179 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 56,159 psi | 90% | 3169 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 54,926 psi | 88% | 3202 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 84% | 54,230 psi | 87% | 3022 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 53,983 psi | 87% | 3061 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 55,796 psi | 89% | 3156 fps | 97.2% |
| Rottweil R 907 | <<locked>> | 90% | 53,563 psi | 86% | 3038 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 92% | 55,172 psi | 88% | 3068 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 82% | 55,317 psi | 89% | 3051 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 55,651 psi | 89% | 3061 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,055 psi | 85% | 3051 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 55,651 psi | 89% | 3123 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 56,275 psi | 90% | 3081 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 53,388 psi | 86% | 3045 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 54,679 psi | 88% | 2956 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 55,477 psi | 89% | 2956 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,027 psi | 88% | 3015 fps | 98.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 55,303 psi | 89% | 3150 fps | 97.1% |
| Somchem S335 | <<locked>> | 82% | 54,186 psi | 87% | 2949 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 55,912 psi | 90% | 3068 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,128 psi | 87% | 3058 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 54,041 psi | 87% | 3140 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,026 psi | 85% | 3071 fps | 97.4% |
| Unknown powder | <<locked>> | 92% | 55,840 psi | 90% | 3143 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 84% | 54,520 psi | 87% | 2933 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 54,404 psi | 87% | 2982 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 54,157 psi | 87% | 2989 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 55,608 psi | 89% | 3041 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 56,420 psi | 90% | 3110 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 84% | 53,882 psi | 86% | 3015 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 53,214 psi | 85% | 3100 fps | 99.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 52,997 psi | 85% | 3133 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,432 psi | 86% | 3041 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 52,663 psi | 84% | 3100 fps | 97.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,641 psi | 68% | 3084 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 55,143 psi | 88% | 3097 fps | 96.8% |
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% | 48,602 psi | 78% | 2894 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 44,976 psi | 72% | 2828 fps | 95.3% |
| Accurate 3100 | <<locked>> | 92% | 38,276 psi | 61% | 2779 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 46,021 psi | 74% | 2894 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 34,737 psi | 56% | 2717 fps | 95.8% |
| ADI AR 2206H | <<locked>> | 80% | 51,619 psi | 83% | 3022 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 43,685 psi | 70% | 2854 fps | 98.8% |
| ADI AR 2209 | <<locked>> | 96% | 50,488 psi | 81% | 3061 fps | 95.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 47,848 psi | 77% | 3074 fps | 99.4% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 50,488 psi | 81% | 3058 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,121 psi | 71% | 2884 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,137 psi | 76% | 2956 fps | 99.4% |
| Alliant Reloder-16 | 60.5 gr | 80% | 34,142 psi | 55% | 2723 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 38,537 psi | 62% | 2864 fps | 98.8% |
| Alliant Reloder-19 | <<locked>> | 96% | 49,806 psi | 80% | 3051 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 98% | 47,007 psi | 75% | 3038 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 86% | 30,226 psi | 48% | 2631 fps | 95.7% |
| Alliant Reloder-25 | <<locked>> | 98% | 38,827 psi | 62% | 2877 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 88% | 34,983 psi | 56% | 2822 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,271 psi | 82% | 3031 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 44,106 psi | 71% | 2890 fps | 99.7% |
| Bofors RP5 | <<locked>> | 98% | 47,007 psi | 75% | 3038 fps | 95.1% |
| Bofors RP7 | <<locked>> | 84% | 44,498 psi | 71% | 2864 fps | 95.4% |
| Hodgdon H380 | <<locked>> | 80% | 44,657 psi | 72% | 2897 fps | 98.1% |
| Hodgdon H414 | <<locked>> | 82% | 42,873 psi | 69% | 2910 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 88% | 47,079 psi | 75% | 2956 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 52,156 psi | 84% | 3035 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,604 psi | 51% | 2615 fps | 96.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 48,559 psi | 78% | 3005 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 44,512 psi | 71% | 2969 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,861 psi | 43% | 1736 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,079 psi | 74% | 2907 fps | 99.7% |
| IMR 3031 | <<locked>> | 80% | 48,138 psi | 77% | 2946 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 42,931 psi | 69% | 2835 fps | 98.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,279 psi | 68% | 2795 fps | 95.3% |
| IMR 4350 | <<locked>> | 88% | 45,063 psi | 72% | 2897 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 82% | 43,250 psi | 69% | 2841 fps | 95.5% |
| IMR 4831 | <<locked>> | 84% | 34,577 psi | 55% | 2697 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 48,356 psi | 78% | 2989 fps | 99.7% |
| Lovex D073.6 | <<locked>> | 80% | 51,735 psi | 83% | 2995 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 50,749 psi | 81% | 2946 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 46,224 psi | 74% | 2897 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 38,058 psi | 61% | 2726 fps | 95.5% |
| Lovex S070 | <<locked>> | 84% | 41,292 psi | 66% | 2818 fps | 95.3% |
| Lovex S071 | <<locked>> | 98% | 39,117 psi | 63% | 2799 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 50,401 psi | 81% | 2966 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,082 psi | 82% | 2969 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,514 psi | 75% | 2943 fps | 99.6% |
| Norma 204 | <<locked>> | 92% | 51,474 psi | 83% | 3058 fps | 95.8% |
| Norma MRP | <<locked>> | 94% | 43,221 psi | 69% | 2989 fps | 95.5% |
| Norma URP | <<locked>> | 80% | 34,722 psi | 56% | 2713 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 46,557 psi | 75% | 2959 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 84% | 38,537 psi | 62% | 2815 fps | 95.1% |
| Ramshot Magnum | <<locked>> | 98% | 45,643 psi | 73% | 2982 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,456 psi | 44% | 1781 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 44,860 psi | 72% | 2881 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 50,633 psi | 81% | 3077 fps | 99.7% |
| ReloadSwiss RS 60 | 65.2 gr | 80% | 40,959 psi | 66% | 2933 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,345 psi | 55% | 2726 fps | 95.2% |
| ReloadSwiss RS 70 | 67.9 gr | 82% | 36,260 psi | 58% | 2795 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 47,906 psi | 77% | 2913 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,597 psi | 67% | 2831 fps | 99.3% |
| Rottweil R 905 | <<locked>> | 96% | 48,776 psi | 78% | 3031 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 84% | 44,498 psi | 71% | 2864 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,058 psi | 61% | 2726 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 51,735 psi | 83% | 2995 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,224 psi | 74% | 2897 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 84% | 41,292 psi | 66% | 2818 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,656 psi | 68% | 2887 fps | 99% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 52,489 psi | 84% | 3018 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,082 psi | 80% | 2986 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,343 psi | 82% | 2904 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,221 psi | 69% | 2759 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 42,496 psi | 68% | 2782 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 48,327 psi | 77% | 3022 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 51,039 psi | 82% | 2900 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,170 psi | 84% | 3009 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 41,989 psi | 67% | 2835 fps | 99.2% |
| Somchem S365 | <<locked>> | 80% | 31,154 psi | 50% | 2661 fps | 97.8% |
| Somchem S385 | <<locked>> | 92% | 43,526 psi | 70% | 2890 fps | 95% |
| Unknown powder | <<locked>> | 80% | 37,536 psi | 60% | 2776 fps | 95.9% |
| Vihtavuori N133 | <<locked>> | 80% | 48,501 psi | 78% | 2841 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,037 psi | 77% | 2884 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,587 psi | 76% | 2884 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,056 psi | 58% | 2674 fps | 99.1% |
| Vihtavuori N160 | <<locked>> | 80% | 37,492 psi | 60% | 2749 fps | 96.6% |
| Vihtavuori N540 | <<locked>> | 80% | 47,311 psi | 76% | 2907 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,087 psi | 61% | 2792 fps | 96.6% |
| Vihtavuori N555 | <<locked>> | 86% | 33,170 psi | 53% | 2713 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,491 psi | 57% | 2687 fps | 98.2% |
| Winchester 760 | <<locked>> | 82% | 42,873 psi | 69% | 2910 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 88% | 28,558 psi | 46% | 2654 fps | 95.4% |
| Winchester Supreme 780 | <<locked>> | 94% | 47,630 psi | 76% | 2963 fps | 95% |
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 | Winchester Powerpoint. Alliant Reloder-26 delivers the highest muzzle velocity at 3,248 fps; across all powders the maximum-charge window runs from 1,946 fps to 3,248 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 1:16.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-22, Alliant Reloder-23 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 60, Alliant Reloder-16, ReloadSwiss RS 70 rank at the top here: for .300 Win. Mag. with the .308 | 150gr | Winchester Powerpoint 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.