Load Specifications
Bullet:.338 | 225gr | Brenneke TOG
Bullet Manufacturer:Brenneke
Bullet Weight:225 gr
Bullet Diameter:0.338"
Bullet Length:<<locked>>
Case Length (l3):2.724"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:124.89 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:27"
Max. allowed Pressure:69,618 psi
Recommended Twist Rate:1:15.0
Load data in caliber .338 Lapua Mag. Ackley Improved with .338 | 225gr | Brenneke TOG bullet and 165 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Vihtavuori N560 and ReloadSwiss RS 76.
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: 27"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 60,495 psi | 87% | 2986 fps | 100% |
| Accurate 3100 | <<locked>> | 94% | 60,350 psi | 87% | 2982 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 61,496 psi | 88% | 3012 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 61,322 psi | 88% | 3009 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 62,540 psi | 90% | 3163 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 62,178 psi | 89% | 3156 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 59,292 psi | 85% | 3104 fps | 99.5% |
| Accurate MAGPRO | <<locked>> | 92% | 59,161 psi | 85% | 3100 fps | 99.4% |
| ADI APS 450 | <<locked>> | 82% | 61,177 psi | 88% | 2320 fps | 100% |
| ADI APS 450 | <<locked>> | 82% | 61,090 psi | 88% | 2316 fps | 100% |
| ADI AR 2208 | <<locked>> | 82% | 61,105 psi | 88% | 2956 fps | 100% |
| ADI AR 2208 | <<locked>> | 82% | 60,916 psi | 88% | 2953 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 62,250 psi | 89% | 3084 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 62,120 psi | 89% | 3081 fps | 100% |
| ADI AR 2213 | <<locked>> | 94% | 60,234 psi | 87% | 3100 fps | 99.9% |
| ADI AR 2213 | <<locked>> | 94% | 60,118 psi | 86% | 3097 fps | 99.9% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 54,317 psi | 78% | 3002 fps | 99.7% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 54,186 psi | 78% | 2999 fps | 99.7% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 48,863 psi | 70% | 2969 fps | 100% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 48,617 psi | 70% | 2963 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 62,453 psi | 90% | 3081 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 62,091 psi | 89% | 3074 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 62,830 psi | 90% | 2976 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 62,395 psi | 90% | 3068 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 62,178 psi | 89% | 3061 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 59,698 psi | 86% | 3025 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 59,480 psi | 85% | 3018 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 61,685 psi | 89% | 3071 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 61,366 psi | 88% | 3064 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 94% | 60,394 psi | 87% | 3091 fps | 100% |
| Alliant Reloder-22 | <<locked>> | 94% | 60,220 psi | 87% | 3087 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 96% | 61,830 psi | 89% | 3041 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 96% | 61,656 psi | 89% | 3038 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 61,743 psi | 89% | 3114 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 61,366 psi | 88% | 3110 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 58,958 psi | 85% | 3091 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 58,581 psi | 84% | 3087 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 51,140 psi | 73% | 3025 fps | 97% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 50,923 psi | 73% | 3018 fps | 96.9% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 61,105 psi | 88% | 3054 fps | 98.6% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 60,872 psi | 87% | 3048 fps | 98.6% |
| Bofors RP15 | <<locked>> | 96% | 59,495 psi | 85% | 3077 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 59,146 psi | 85% | 3071 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 57,464 psi | 83% | 3077 fps | 99.9% |
| Bofors RP30ᴾ | <<locked>> | 100% | 57,145 psi | 82% | 3071 fps | 99.9% |
| Bofors RP5 | <<locked>> | 94% | 60,394 psi | 87% | 3091 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 60,220 psi | 87% | 3087 fps | 100% |
| Bofors RP7 | <<locked>> | 86% | 62,917 psi | 90% | 3012 fps | 100% |
| Bofors RP7 | <<locked>> | 86% | 62,743 psi | 90% | 3009 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 59,959 psi | 86% | 3087 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 59,872 psi | 86% | 3084 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 62,946 psi | 90% | 3071 fps | 100% |
| Hodgdon H414 | <<locked>> | 86% | 62,787 psi | 90% | 3068 fps | 100% |
| Hodgdon H4350 | <<locked>> | 84% | 61,308 psi | 88% | 3028 fps | 100% |
| Hodgdon H4350 | <<locked>> | 84% | 61,148 psi | 88% | 3025 fps | 100% |
| Hodgdon H4831 | <<locked>> | 92% | 59,843 psi | 86% | 3031 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 92% | 59,698 psi | 86% | 3028 fps | 99.6% |
| Hodgdon H4831 SC | <<locked>> | 94% | 62,671 psi | 90% | 3071 fps | 99.8% |
| Hodgdon H4831 SC | <<locked>> | 94% | 62,540 psi | 90% | 3068 fps | 99.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 62,642 psi | 90% | 2979 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 62,236 psi | 89% | 2972 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 60,669 psi | 87% | 3209 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 60,292 psi | 87% | 3205 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 60,031 psi | 86% | 3061 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 59,901 psi | 86% | 3058 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,362 psi | 54% | 1864 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,391 psi | 54% | 1864 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 61,192 psi | 88% | 3002 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 60,872 psi | 87% | 2995 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 84% | 60,524 psi | 87% | 2979 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 84% | 60,365 psi | 87% | 2976 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 61,699 psi | 89% | 3002 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 61,308 psi | 88% | 2995 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 60,263 psi | 87% | 3009 fps | 99.7% |
| IMR 4955 Enduron | <<locked>> | 92% | 60,147 psi | 86% | 3005 fps | 99.7% |
| IMR 7828 SSC | <<locked>> | 96% | 62,366 psi | 90% | 3136 fps | 100% |
| IMR 7828 SSC | <<locked>> | 96% | 62,221 psi | 89% | 3133 fps | 100% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 44,425 psi | 64% | 2877 fps | 98.5% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 44,164 psi | 63% | 2874 fps | 98.4% |
| Lovex S065 | <<locked>> | 86% | 61,380 psi | 88% | 2972 fps | 100% |
| Lovex S065 | <<locked>> | 86% | 61,221 psi | 88% | 2969 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 59,669 psi | 86% | 2976 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 59,509 psi | 85% | 2972 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 61,641 psi | 89% | 3002 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 61,467 psi | 88% | 2999 fps | 100% |
| Norma 204 | <<locked>> | 88% | 62,874 psi | 90% | 3068 fps | 100% |
| Norma 204 | <<locked>> | 88% | 62,511 psi | 90% | 3064 fps | 100% |
| Norma 217ᴾ | <<locked>> | 100% | 44,831 psi | 64% | 2907 fps | 99.8% |
| Norma 217ᴾ | <<locked>> | 100% | 44,527 psi | 64% | 2897 fps | 99.8% |
| Norma MRP | <<locked>> | 92% | 60,698 psi | 87% | 3114 fps | 100% |
| Norma MRP | <<locked>> | 92% | 60,336 psi | 87% | 3107 fps | 100% |
| Norma URP | <<locked>> | 86% | 59,422 psi | 85% | 2992 fps | 100% |
| Norma URP | <<locked>> | 86% | 59,248 psi | 85% | 2989 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 59,553 psi | 86% | 3104 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 59,219 psi | 85% | 3097 fps | 100% |
| Ramshot Hunter | <<locked>> | 88% | 62,410 psi | 90% | 3058 fps | 100% |
| Ramshot Hunter | <<locked>> | 88% | 62,076 psi | 89% | 3054 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 62,453 psi | 90% | 3087 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 62,091 psi | 89% | 3081 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,261 psi | 55% | 1909 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,261 psi | 55% | 1906 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 61,612 psi | 89% | 3038 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 61,453 psi | 88% | 3035 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 60,307 psi | 87% | 3074 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 59,959 psi | 86% | 3068 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 62,163 psi | 89% | 3205 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 61,830 psi | 89% | 3202 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 56,753 psi | 82% | 3104 fps | 99.4% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 56,449 psi | 81% | 3100 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 82% | 60,814 psi | 87% | 2946 fps | 100% |
| Rottweil R 903 | <<locked>> | 82% | 60,800 psi | 87% | 2946 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 59,292 psi | 85% | 2995 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 92% | 62,787 psi | 90% | 3045 fps | 99.9% |
| Rottweil R 905 | <<locked>> | 92% | 61,351 psi | 88% | 3061 fps | 100% |
| Rottweil R 905 | <<locked>> | 92% | 61,163 psi | 88% | 3058 fps | 100% |
| Rottweil R 907 | <<locked>> | 86% | 62,917 psi | 90% | 3012 fps | 100% |
| Rottweil R 907 | <<locked>> | 86% | 62,743 psi | 90% | 3009 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 86% | 61,380 psi | 88% | 2972 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 86% | 61,221 psi | 88% | 2969 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 59,669 psi | 86% | 2976 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 59,509 psi | 85% | 2972 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 62,613 psi | 90% | 3009 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 62,439 psi | 90% | 3005 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 59,872 psi | 86% | 2802 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 59,669 psi | 86% | 2799 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 60,655 psi | 87% | 2930 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 60,524 psi | 87% | 2927 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 60,916 psi | 88% | 3058 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 60,713 psi | 87% | 3054 fps | 100% |
| Somchem S355 | <<locked>> | 82% | 60,249 psi | 87% | 2940 fps | 100% |
| Somchem S355 | <<locked>> | 82% | 60,060 psi | 86% | 2936 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 60,916 psi | 88% | 2986 fps | 99.6% |
| Somchem S361 | <<locked>> | 90% | 60,800 psi | 87% | 2982 fps | 99.6% |
| Somchem S365 | <<locked>> | 88% | 60,640 psi | 87% | 2992 fps | 100% |
| Somchem S365 | <<locked>> | 88% | 60,278 psi | 87% | 2989 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 61,873 psi | 89% | 3028 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 61,554 psi | 88% | 3022 fps | 100% |
| Vihtavuori N150 | <<locked>> | 84% | 61,670 psi | 89% | 2907 fps | 100% |
| Vihtavuori N150 | <<locked>> | 84% | 61,496 psi | 88% | 2904 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 61,221 psi | 88% | 2979 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 61,046 psi | 88% | 2979 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 61,525 psi | 88% | 3009 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 61,192 psi | 88% | 3002 fps | 100% |
| Vihtavuori N170ᴾ | <<locked>> | 100% | 60,510 psi | 87% | 3031 fps | 97% |
| Vihtavuori N170ᴾ | <<locked>> | 100% | 60,220 psi | 87% | 3025 fps | 96.9% |
| Vihtavuori N550 | <<locked>> | 86% | 60,336 psi | 87% | 2989 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 60,162 psi | 86% | 2986 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 60,147 psi | 86% | 3018 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 59,959 psi | 86% | 3018 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 60,191 psi | 86% | 3114 fps | 99.8% |
| Vihtavuori N560 | <<locked>> | 92% | 59,886 psi | 86% | 3110 fps | 99.7% |
| Vihtavuori N565 | <<locked>> | 98% | 60,408 psi | 87% | 3097 fps | 99.8% |
| Vihtavuori N565 | <<locked>> | 98% | 60,089 psi | 86% | 3091 fps | 99.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 57,566 psi | 83% | 3107 fps | 99.2% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 57,246 psi | 82% | 3100 fps | 99.1% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 54,375 psi | 78% | 3100 fps | 97.3% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 54,085 psi | 78% | 3094 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 61,003 psi | 88% | 2933 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 60,669 psi | 87% | 2927 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 59,146 psi | 85% | 3022 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 62,961 psi | 90% | 3071 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 61,395 psi | 88% | 3140 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 61,003 psi | 88% | 3136 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 61,931 psi | 89% | 3028 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 61,786 psi | 89% | 3025 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 27"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 37,855 psi | 54% | 2612 fps | 99.3% |
| Accurate 3100 | <<locked>> | 80% | 37,681 psi | 54% | 2608 fps | 99.2% |
| Accurate 4350 | <<locked>> | 80% | 50,328 psi | 72% | 2854 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 50,125 psi | 72% | 2851 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 41,104 psi | 59% | 2785 fps | 97.3% |
| Accurate High Country | <<locked>> | 80% | 40,930 psi | 59% | 2782 fps | 97.3% |
| Accurate MAGPRO | <<locked>> | 80% | 38,783 psi | 56% | 2723 fps | 95.2% |
| Accurate MAGPRO | <<locked>> | 80% | 38,638 psi | 56% | 2720 fps | 95.1% |
| ADI APS 450 | <<locked>> | 80% | 59,219 psi | 85% | 2290 fps | 100% |
| ADI APS 450 | <<locked>> | 80% | 59,117 psi | 85% | 2287 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 57,450 psi | 83% | 2907 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 57,276 psi | 82% | 2904 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 41,785 psi | 60% | 2740 fps | 98.3% |
| ADI AR 2209 | <<locked>> | 80% | 41,611 psi | 60% | 2736 fps | 98.3% |
| ADI AR 2213 | <<locked>> | 80% | 37,333 psi | 54% | 2674 fps | 95.9% |
| ADI AR 2213 | <<locked>> | 80% | 37,188 psi | 53% | 2667 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 88% | 36,216 psi | 52% | 2641 fps | 95.8% |
| ADI AR 2217 | <<locked>> | 88% | 36,100 psi | 52% | 2638 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 84% | 28,877 psi | 41% | 2490 fps | 95.7% |
| ADI AR 2225 | <<locked>> | 84% | 28,674 psi | 41% | 2484 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 42,235 psi | 61% | 2743 fps | 98.4% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 42,061 psi | 60% | 2740 fps | 98.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 59,088 psi | 85% | 2927 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 48,008 psi | 69% | 2858 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 47,819 psi | 69% | 2854 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 55,738 psi | 80% | 2972 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 55,550 psi | 80% | 2966 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,843 psi | 60% | 2736 fps | 98.3% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,698 psi | 60% | 2733 fps | 98.3% |
| Alliant Reloder-22 | <<locked>> | 80% | 37,710 psi | 54% | 2684 fps | 97.4% |
| Alliant Reloder-22 | <<locked>> | 80% | 37,550 psi | 54% | 2677 fps | 97.4% |
| Alliant Reloder-23 | <<locked>> | 80% | 36,448 psi | 52% | 2638 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 80% | 36,260 psi | 52% | 2631 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 31,531 psi | 45% | 2562 fps | 98.6% |
| Alliant Reloder-25 | <<locked>> | 80% | 31,401 psi | 45% | 2556 fps | 98.5% |
| Alliant Reloder-26 | <<locked>> | 80% | 40,408 psi | 58% | 2792 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 80% | 40,248 psi | 58% | 2785 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 96% | 44,179 psi | 63% | 2890 fps | 95% |
| Alliant Reloder-33 | <<locked>> | 98% | 47,282 psi | 68% | 2953 fps | 95.9% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 44,715 psi | 64% | 2766 fps | 95.1% |
| Baschieri & Pellagri 109 | <<locked>> | 86% | 44,628 psi | 64% | 2762 fps | 95% |
| Bofors RP15 | <<locked>> | 80% | 35,070 psi | 50% | 2618 fps | 96.4% |
| Bofors RP15 | <<locked>> | 80% | 34,911 psi | 50% | 2612 fps | 96.3% |
| Bofors RP30 | <<locked>> | 84% | 33,257 psi | 48% | 2602 fps | 95% |
| Bofors RP30 | <<locked>> | 86% | 35,418 psi | 51% | 2657 fps | 95.9% |
| Bofors RP5 | <<locked>> | 80% | 37,710 psi | 54% | 2684 fps | 97.4% |
| Bofors RP5 | <<locked>> | 80% | 37,550 psi | 54% | 2677 fps | 97.4% |
| Bofors RP7 | <<locked>> | 80% | 52,214 psi | 75% | 2854 fps | 99.9% |
| Bofors RP7 | <<locked>> | 80% | 52,025 psi | 75% | 2851 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 84% | 34,476 psi | 50% | 2602 fps | 95.8% |
| Hodgdon H1000 | <<locked>> | 84% | 34,360 psi | 49% | 2598 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 51,677 psi | 74% | 2907 fps | 100% |
| Hodgdon H414 | <<locked>> | 80% | 51,503 psi | 74% | 2904 fps | 100% |
| Hodgdon H4350 | <<locked>> | 80% | 54,027 psi | 78% | 2920 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 80% | 53,838 psi | 77% | 2917 fps | 99.9% |
| Hodgdon H4831 | <<locked>> | 80% | 39,856 psi | 57% | 2677 fps | 96% |
| Hodgdon H4831 | <<locked>> | 80% | 39,697 psi | 57% | 2674 fps | 96% |
| Hodgdon H4831 SC | <<locked>> | 80% | 39,102 psi | 56% | 2661 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 80% | 38,957 psi | 56% | 2657 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 45,208 psi | 65% | 2733 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 45,179 psi | 65% | 2733 fps | 100% |
| Hodgdon Retumbo | 86.3 gr | 80% | 30,734 psi | 44% | 2579 fps | 95.2% |
| Hodgdon Retumbo | 86.3 gr | 80% | 30,603 psi | 44% | 2575 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 51,822 psi | 74% | 2940 fps | 100% |
| Hodgdon Superformance | <<locked>> | 80% | 51,648 psi | 74% | 2936 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,963 psi | 40% | 1667 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,949 psi | 40% | 1667 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 47,543 psi | 68% | 2789 fps | 99.7% |
| IMR 4350 | <<locked>> | 80% | 47,384 psi | 68% | 2785 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 53,417 psi | 77% | 2874 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 80% | 53,243 psi | 76% | 2871 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 47,572 psi | 68% | 2795 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 47,398 psi | 68% | 2792 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 41,336 psi | 59% | 2677 fps | 96.7% |
| IMR 4955 Enduron | <<locked>> | 80% | 41,191 psi | 59% | 2671 fps | 96.6% |
| IMR 7828 SSC | <<locked>> | 80% | 35,955 psi | 52% | 2651 fps | 95.4% |
| IMR 7828 SSC | <<locked>> | 80% | 35,810 psi | 51% | 2644 fps | 95.3% |
| IMR 8133 Enduron | <<locked>> | 92% | 33,881 psi | 49% | 2638 fps | 95.1% |
| IMR 8133 Enduron | <<locked>> | 92% | 33,750 psi | 48% | 2631 fps | 95% |
| Lovex S065 | <<locked>> | 80% | 51,082 psi | 73% | 2825 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 50,937 psi | 73% | 2818 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 49,443 psi | 71% | 2822 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 49,269 psi | 71% | 2815 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 32,590 psi | 47% | 2490 fps | 98.1% |
| Lovex S071 | <<locked>> | 80% | 32,445 psi | 47% | 2487 fps | 98% |
| Norma 204 | <<locked>> | 80% | 47,964 psi | 69% | 2838 fps | 99.2% |
| Norma 204 | <<locked>> | 80% | 47,805 psi | 69% | 2831 fps | 99.2% |
| Norma 217 | <<locked>> | 88% | 29,689 psi | 43% | 2543 fps | 95.6% |
| Norma 217 | <<locked>> | 88% | 29,588 psi | 43% | 2539 fps | 95.5% |
| Norma MRP | <<locked>> | 80% | 39,668 psi | 57% | 2753 fps | 99% |
| Norma MRP | <<locked>> | 80% | 39,494 psi | 57% | 2749 fps | 99% |
| Norma URP | <<locked>> | 80% | 48,936 psi | 70% | 2838 fps | 100% |
| Norma URP | <<locked>> | 80% | 48,762 psi | 70% | 2835 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 35,650 psi | 51% | 2657 fps | 95.8% |
| Ramshot Grand | <<locked>> | 80% | 35,404 psi | 51% | 2648 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 47,906 psi | 69% | 2841 fps | 100% |
| Ramshot Hunter | <<locked>> | 80% | 47,747 psi | 69% | 2838 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 31,792 psi | 46% | 2536 fps | 96.3% |
| Ramshot Magnum | <<locked>> | 80% | 31,662 psi | 45% | 2530 fps | 96.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,689 psi | 41% | 1709 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,674 psi | 41% | 1706 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 50,314 psi | 72% | 2877 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 50,140 psi | 72% | 2874 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 48,530 psi | 70% | 2900 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 48,356 psi | 69% | 2897 fps | 100% |
| ReloadSwiss RS 76 | 92.4 gr | 80% | 29,805 psi | 43% | 2552 fps | 96.1% |
| ReloadSwiss RS 76 | 92.4 gr | 80% | 29,689 psi | 43% | 2546 fps | 96% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 38,711 psi | 56% | 2769 fps | 95.5% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 38,566 psi | 55% | 2762 fps | 95.4% |
| Rottweil R 903 | <<locked>> | 80% | 57,087 psi | 82% | 2897 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 56,884 psi | 82% | 2894 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 42,902 psi | 62% | 2713 fps | 97.6% |
| Rottweil R 904 | <<locked>> | 80% | 42,743 psi | 61% | 2710 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 80% | 41,220 psi | 59% | 2723 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 80% | 41,046 psi | 59% | 2717 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 80% | 52,214 psi | 75% | 2854 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 80% | 52,025 psi | 75% | 2851 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 51,082 psi | 73% | 2825 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,937 psi | 73% | 2818 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 49,443 psi | 71% | 2822 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 49,269 psi | 71% | 2815 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 58,682 psi | 84% | 2956 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 58,508 psi | 84% | 2953 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 56,391 psi | 81% | 2759 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 56,188 psi | 81% | 2756 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,908 psi | 72% | 2772 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,777 psi | 72% | 2769 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 40,872 psi | 59% | 2717 fps | 98.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 40,712 psi | 58% | 2713 fps | 98.2% |
| Somchem S355 | <<locked>> | 80% | 56,637 psi | 81% | 2890 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 56,434 psi | 81% | 2887 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 43,787 psi | 63% | 2703 fps | 97.1% |
| Somchem S361 | <<locked>> | 80% | 43,642 psi | 63% | 2700 fps | 97.1% |
| Somchem S365 | <<locked>> | 80% | 46,325 psi | 67% | 2792 fps | 100% |
| Somchem S365 | <<locked>> | 80% | 46,122 psi | 66% | 2789 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 41,771 psi | 60% | 2700 fps | 99% |
| Somchem S385 | <<locked>> | 80% | 41,611 psi | 60% | 2697 fps | 99% |
| Vihtavuori N150 | <<locked>> | 80% | 54,244 psi | 78% | 2812 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 54,056 psi | 78% | 2808 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 50,459 psi | 72% | 2828 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 50,285 psi | 72% | 2825 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 36,332 psi | 52% | 2575 fps | 97.5% |
| Vihtavuori N165 | <<locked>> | 80% | 36,187 psi | 52% | 2572 fps | 97.4% |
| Vihtavuori N170 | <<locked>> | 96% | 52,794 psi | 76% | 2913 fps | 95.4% |
| Vihtavuori N170 | <<locked>> | 96% | 52,504 psi | 75% | 2904 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 49,705 psi | 71% | 2835 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 49,530 psi | 71% | 2828 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 40,785 psi | 59% | 2713 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 40,596 psi | 58% | 2710 fps | 100% |
| Vihtavuori N560 | 89.6 gr | 80% | 39,653 psi | 57% | 2743 fps | 96.2% |
| Vihtavuori N560 | 89.6 gr | 80% | 39,508 psi | 57% | 2740 fps | 96.1% |
| Vihtavuori N565 | <<locked>> | 84% | 37,492 psi | 54% | 2677 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 84% | 37,347 psi | 54% | 2677 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 90% | 40,219 psi | 58% | 2789 fps | 95.4% |
| Vihtavuori N568 | <<locked>> | 90% | 39,958 psi | 57% | 2782 fps | 95.3% |
| Vihtavuori N570 | <<locked>> | 96% | 47,079 psi | 68% | 2966 fps | 95.5% |
| Vihtavuori N570 | <<locked>> | 96% | 46,804 psi | 67% | 2959 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 49,588 psi | 71% | 2779 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 49,443 psi | 71% | 2779 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 51,837 psi | 74% | 2910 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 51,663 psi | 74% | 2907 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 33,083 psi | 48% | 2677 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 32,880 psi | 47% | 2674 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,203 psi | 55% | 2625 fps | 97.5% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,058 psi | 55% | 2621 fps | 97.4% |
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 165 powders for .338 Lapua Mag. Ackley Improved loaded with the .338 | 225gr | Brenneke TOG. Hodgdon Retumbo delivers the highest muzzle velocity at 3,209 fps; across all powders the maximum-charge window runs from 1,864 fps to 3,209 fps. ADI AR 2217 gives the best case fill at 100 %, and 165 of the 165 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (480 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 225.0 gr projectile in 0.338" calls for a 1:15.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2217, ADI AR 2225 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. Hodgdon Retumbo, Vihtavuori N560, ReloadSwiss RS 76 rank at the top here: for .338 Lapua Mag. Ackley Improved with the .338 | 225gr | Brenneke TOG 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.