Load Specifications
Load data in caliber .300 Lapua Mag. with .308 | 150gr | Impala LWH CHP bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Winchester StaBALL HD and Ramshot Grand.
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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Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 51,880 psi | 85% | 3130 fps | 99.5% |
| Accurate 4350 | <<locked>> | 86% | 53,316 psi | 88% | 3179 fps | 100% |
| ADI AR 2208 | <<locked>> | 82% | 54,244 psi | 89% | 3136 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 53,040 psi | 87% | 3209 fps | 97.9% |
| ADI AR 2213 | <<locked>> | 96% | 54,360 psi | 89% | 3264 fps | 97% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 41,249 psi | 68% | 3035 fps | 97% |
| Alliant Reloder-16 | <<locked>> | 88% | 53,055 psi | 87% | 3232 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 54,143 psi | 89% | 3248 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 52,881 psi | 87% | 3199 fps | 97.9% |
| Alliant Reloder-22 | <<locked>> | 96% | 54,143 psi | 89% | 3268 fps | 98.3% |
| Alliant Reloder-23 | <<locked>> | 98% | 55,042 psi | 90% | 3251 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 50,981 psi | 84% | 3241 fps | 99.9% |
| Alliant Reloder-26 | <<locked>> | 92% | 51,677 psi | 85% | 3284 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 53,185 psi | 87% | 3248 fps | 98% |
| Bofors RP30ᴾ | <<locked>> | 100% | 47,268 psi | 78% | 3163 fps | 96.2% |
| Bofors RP5 | <<locked>> | 96% | 54,143 psi | 89% | 3268 fps | 98.3% |
| Bofors RP7 | <<locked>> | 84% | 52,518 psi | 86% | 3114 fps | 98.6% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 50,444 psi | 83% | 3173 fps | 97% |
| Hodgdon H414 | <<locked>> | 86% | 54,331 psi | 89% | 3222 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 84% | 53,592 psi | 88% | 3173 fps | 98.2% |
| Hodgdon H4831 | <<locked>> | 94% | 54,433 psi | 89% | 3199 fps | 96.3% |
| Hodgdon H4831 SC | <<locked>> | 94% | 53,490 psi | 88% | 3182 fps | 96.1% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 53,751 psi | 88% | 3153 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 50,067 psi | 82% | 3294 fps | 98.4% |
| Hodgdon Superformance | <<locked>> | 86% | 54,404 psi | 89% | 3255 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,101 psi | 61% | 2037 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 53,403 psi | 88% | 3146 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 84% | 53,461 psi | 88% | 3133 fps | 99% |
| IMR 4831 | <<locked>> | 88% | 53,316 psi | 88% | 3166 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 52,504 psi | 86% | 3130 fps | 96.1% |
| IMR 7828 SSC | <<locked>> | 96% | 52,214 psi | 86% | 3235 fps | 96.6% |
| Lovex S065 | <<locked>> | 86% | 54,360 psi | 89% | 3140 fps | 99.8% |
| Lovex S070 | <<locked>> | 86% | 52,576 psi | 86% | 3130 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 52,852 psi | 87% | 3146 fps | 99.6% |
| Norma 204 | <<locked>> | 88% | 53,998 psi | 89% | 3199 fps | 97.9% |
| Norma MRP | <<locked>> | 94% | 53,809 psi | 88% | 3294 fps | 99.3% |
| Norma URP | <<locked>> | 88% | 54,810 psi | 90% | 3212 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 52,504 psi | 86% | 3251 fps | 97.1% |
| Ramshot Hunter | <<locked>> | 88% | 53,519 psi | 88% | 3209 fps | 99.6% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 54,723 psi | 90% | 3251 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,811 psi | 62% | 2083 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 53,548 psi | 88% | 3241 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 52,692 psi | 87% | 3192 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 54,157 psi | 89% | 3278 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 50,575 psi | 83% | 3287 fps | 99.3% |
| Rottweil R 903 | <<locked>> | 82% | 53,737 psi | 88% | 3130 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 54,592 psi | 90% | 3176 fps | 97.1% |
| Rottweil R 905 | <<locked>> | 92% | 52,431 psi | 86% | 3189 fps | 98% |
| Rottweil R 907 | <<locked>> | 84% | 52,518 psi | 86% | 3114 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 86% | 54,360 psi | 89% | 3140 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 86% | 52,576 psi | 86% | 3130 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 54,520 psi | 90% | 3186 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 53,505 psi | 88% | 2999 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 53,766 psi | 88% | 3084 fps | 99.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 51,982 psi | 85% | 3182 fps | 97.9% |
| Somchem S355 | <<locked>> | 82% | 53,359 psi | 88% | 3123 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 52,924 psi | 87% | 3104 fps | 96% |
| Somchem S365 | <<locked>> | 90% | 54,694 psi | 90% | 3219 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 53,156 psi | 87% | 3163 fps | 98.7% |
| Vihtavuori N150 | <<locked>> | 84% | 54,360 psi | 89% | 3094 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 53,171 psi | 87% | 3146 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 52,286 psi | 86% | 3133 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 86% | 52,663 psi | 86% | 3153 fps | 99.9% |
| Vihtavuori N555 | <<locked>> | 94% | 54,563 psi | 90% | 3232 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 53,737 psi | 88% | 3278 fps | 96.6% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 53,940 psi | 89% | 3258 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 52,272 psi | 86% | 3100 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 54,549 psi | 90% | 3225 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 55,100 psi | 90% | 3392 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 52,794 psi | 87% | 3150 fps | 97.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 33,301 psi | 55% | 2723 fps | 95.1% |
| Accurate 4350 | <<locked>> | 80% | 43,758 psi | 72% | 2999 fps | 99.3% |
| ADI AR 2208 | <<locked>> | 80% | 51,082 psi | 84% | 3081 fps | 100% |
| ADI AR 2209 | <<locked>> | 86% | 44,063 psi | 72% | 3025 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 92% | 47,790 psi | 78% | 3133 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 96% | 36,608 psi | 60% | 2907 fps | 95% |
| Alliant Reloder-16 | <<locked>> | 80% | 41,336 psi | 68% | 2992 fps | 99.3% |
| Alliant Reloder-17 | <<locked>> | 80% | 47,166 psi | 77% | 3127 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 86% | 43,961 psi | 72% | 3022 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 88% | 41,974 psi | 69% | 3018 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 31,502 psi | 52% | 2746 fps | 98.1% |
| Alliant Reloder-25 | <<locked>> | 86% | 33,417 psi | 55% | 2818 fps | 95.7% |
| Alliant Reloder-26 | 74.7 gr | 80% | 34,113 psi | 56% | 2884 fps | 96.9% |
| Bofors RP15 | <<locked>> | 90% | 41,597 psi | 68% | 3009 fps | 95.1% |
| Bofors RP30 | <<locked>> | 98% | 44,411 psi | 73% | 3100 fps | 95.3% |
| Bofors RP5 | <<locked>> | 88% | 41,974 psi | 69% | 3018 fps | 95.3% |
| Bofors RP7 | <<locked>> | 80% | 46,601 psi | 77% | 2995 fps | 97.5% |
| Hodgdon H1000 | <<locked>> | 96% | 44,353 psi | 73% | 3041 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 80% | 44,947 psi | 74% | 3038 fps | 97.7% |
| Hodgdon H4350 | <<locked>> | 80% | 47,355 psi | 78% | 3048 fps | 97% |
| Hodgdon H4831 | <<locked>> | 92% | 51,111 psi | 84% | 3140 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 50,009 psi | 82% | 3117 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 39,291 psi | 65% | 2877 fps | 99.6% |
| Hodgdon Retumbo | <<locked>> | 94% | 41,466 psi | 68% | 3087 fps | 95.7% |
| Hodgdon Superformance | <<locked>> | 80% | 43,932 psi | 72% | 3051 fps | 97.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,818 psi | 46% | 1824 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 41,974 psi | 69% | 2913 fps | 96.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 47,500 psi | 78% | 3018 fps | 98.1% |
| IMR 4831 | <<locked>> | 80% | 41,655 psi | 68% | 2940 fps | 99.1% |
| IMR 4955 Enduron | <<locked>> | 90% | 49,487 psi | 81% | 3071 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 94% | 49,081 psi | 81% | 3173 fps | 95.8% |
| Lovex S065 | <<locked>> | 80% | 45,600 psi | 75% | 2972 fps | 98.8% |
| Lovex S070 | <<locked>> | 80% | 44,048 psi | 72% | 2959 fps | 97.6% |
| Lovex S071 | <<locked>> | 86% | 34,766 psi | 57% | 2762 fps | 95.7% |
| Norma 204 | <<locked>> | 82% | 44,440 psi | 73% | 3009 fps | 95.7% |
| Norma MRP | <<locked>> | 84% | 38,696 psi | 64% | 2972 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 42,728 psi | 70% | 2982 fps | 99.1% |
| Ramshot Grand | 82.6 gr | 92% | 45,876 psi | 75% | 3114 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 41,423 psi | 68% | 2963 fps | 97.6% |
| Ramshot Magnum | <<locked>> | 90% | 38,769 psi | 64% | 2920 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,514 psi | 47% | 1870 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 49,850 psi | 82% | 3179 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 43,323 psi | 71% | 3012 fps | 99.1% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 41,437 psi | 68% | 3018 fps | 98.7% |
| ReloadSwiss RS 76 | <<locked>> | 92% | 38,653 psi | 63% | 2999 fps | 95.8% |
| Rottweil R 903 | <<locked>> | 80% | 50,589 psi | 83% | 3077 fps | 100% |
| Rottweil R 904 | <<locked>> | 88% | 48,312 psi | 79% | 3058 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 86% | 43,337 psi | 71% | 3005 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 80% | 46,601 psi | 77% | 2995 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 45,600 psi | 75% | 2972 fps | 98.8% |
| Shooters World SW4350 | <<locked>> | 80% | 44,048 psi | 72% | 2959 fps | 97.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 51,155 psi | 84% | 3127 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 50,488 psi | 83% | 2953 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 44,701 psi | 73% | 2913 fps | 97.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 86% | 42,946 psi | 71% | 2999 fps | 95.7% |
| Somchem S355 | <<locked>> | 80% | 50,256 psi | 83% | 3071 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 49,777 psi | 82% | 3048 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 39,566 psi | 65% | 2940 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 39,102 psi | 64% | 2871 fps | 95.4% |
| Vihtavuori N150 | <<locked>> | 80% | 48,153 psi | 79% | 2989 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 43,932 psi | 72% | 2972 fps | 99.3% |
| Vihtavuori N165 | <<locked>> | 88% | 40,741 psi | 67% | 2900 fps | 95.5% |
| Vihtavuori N550 | <<locked>> | 80% | 43,685 psi | 72% | 2979 fps | 99.1% |
| Vihtavuori N555 | <<locked>> | 80% | 35,360 psi | 58% | 2838 fps | 98.1% |
| Vihtavuori N560 | <<locked>> | 92% | 50,343 psi | 83% | 3212 fps | 95.7% |
| Vihtavuori N565 | <<locked>> | 96% | 47,268 psi | 78% | 3127 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 42,888 psi | 70% | 2933 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 44,947 psi | 74% | 3038 fps | 97.7% |
| Winchester StaBALL HD | 71.7 gr | 80% | 28,384 psi | 47% | 2746 fps | 97.8% |
| Winchester Supreme 780 | <<locked>> | 88% | 43,178 psi | 71% | 2963 fps | 95.5% |
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 70 powders for .300 Lapua Mag. loaded with the .308 | 150gr | Impala LWH CHP. Winchester StaBALL HD delivers the highest muzzle velocity at 3,392 fps; across all powders the maximum-charge window runs from 2,037 fps to 3,392 fps. ADI AR 2225 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (420 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, Bofors RP30 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, Winchester StaBALL HD, Ramshot Grand rank at the top here: for .300 Lapua Mag. with the .308 | 150gr | Impala LWH CHP 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.