Load Specifications
Load data in caliber .338 Lapua Mag. with .338 | 230gr | Norma ORYX bullet and 71 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, Accurate High Country and Winchester StaBALL HD.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 51,735 psi | 85% | 2726 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 53,026 psi | 87% | 2759 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 53,011 psi | 87% | 2864 fps | 98.6% |
| Accurate MAGPRO | <<locked>> | 92% | 53,882 psi | 88% | 2867 fps | 97.7% |
| ADI AR 2209 | <<locked>> | 90% | 53,780 psi | 88% | 2812 fps | 99.3% |
| ADI AR 2213 | <<locked>> | 92% | 51,503 psi | 85% | 2812 fps | 98.1% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 49,472 psi | 81% | 2769 fps | 98.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 44,135 psi | 72% | 2733 fps | 99.4% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 53,911 psi | 89% | 2808 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 86% | 53,853 psi | 88% | 2812 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,795 psi | 90% | 2822 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 53,272 psi | 87% | 2799 fps | 99.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 51,619 psi | 85% | 2808 fps | 99.1% |
| Alliant Reloder-23 | <<locked>> | 94% | 52,866 psi | 87% | 2792 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 98% | 52,156 psi | 86% | 2844 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 52,881 psi | 87% | 2871 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 54,215 psi | 89% | 2851 fps | 99.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 51,576 psi | 85% | 2838 fps | 98.7% |
| Bofors RP5 | <<locked>> | 92% | 51,619 psi | 85% | 2808 fps | 99.1% |
| Bofors RP7 | <<locked>> | 82% | 51,953 psi | 85% | 2707 fps | 99.5% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 54,534 psi | 90% | 2858 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 84% | 54,607 psi | 90% | 2808 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 53,708 psi | 88% | 2769 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 92% | 55,100 psi | 90% | 2812 fps | 98.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 53,998 psi | 89% | 2795 fps | 98% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 54,259 psi | 89% | 2740 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 54,563 psi | 90% | 2966 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 84% | 54,882 psi | 90% | 2844 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,057 psi | 61% | 1755 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 53,548 psi | 88% | 2746 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 53,316 psi | 88% | 2726 fps | 99.8% |
| IMR 4831 | <<locked>> | 86% | 53,417 psi | 88% | 2753 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 52,779 psi | 87% | 2743 fps | 97.9% |
| IMR 7828 SSC | <<locked>> | 94% | 53,069 psi | 87% | 2848 fps | 98.5% |
| Lovex S065 | <<locked>> | 84% | 54,070 psi | 89% | 2730 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 52,286 psi | 86% | 2726 fps | 99.8% |
| Lovex S071 | <<locked>> | 98% | 53,011 psi | 87% | 2746 fps | 100% |
| Norma 204 | <<locked>> | 86% | 54,346 psi | 89% | 2799 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 39,639 psi | 65% | 2654 fps | 97.9% |
| Norma MRP | <<locked>> | 92% | 54,940 psi | 90% | 2887 fps | 99.9% |
| Norma URP | <<locked>> | 86% | 55,013 psi | 90% | 2792 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 53,621 psi | 88% | 2867 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 86% | 53,896 psi | 88% | 2799 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 51,750 psi | 85% | 2799 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,971 psi | 62% | 1798 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 52,924 psi | 87% | 2779 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 54,882 psi | 90% | 2861 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 51,387 psi | 84% | 2900 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 50,096 psi | 82% | 2844 fps | 97.1% |
| Rottweil R 904 | <<locked>> | 90% | 54,969 psi | 90% | 2782 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 90% | 52,881 psi | 87% | 2789 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 82% | 51,953 psi | 85% | 2707 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 84% | 54,070 psi | 89% | 2730 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 52,286 psi | 86% | 2726 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 53,098 psi | 87% | 2684 fps | 99.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 52,460 psi | 86% | 2785 fps | 99.2% |
| Somchem S361 | <<locked>> | 88% | 52,866 psi | 87% | 2720 fps | 97.7% |
| Somchem S365 | <<locked>> | 86% | 51,924 psi | 85% | 2746 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 53,345 psi | 88% | 2762 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 82% | 53,954 psi | 89% | 2677 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 53,301 psi | 88% | 2736 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 52,939 psi | 87% | 2746 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 84% | 52,388 psi | 86% | 2736 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,984 psi | 90% | 2815 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,781 psi | 90% | 2881 fps | 98.4% |
| Vihtavuori N565 | <<locked>> | 98% | 54,694 psi | 90% | 2861 fps | 98.5% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 51,242 psi | 84% | 2851 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 52,533 psi | 86% | 2694 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,781 psi | 90% | 2812 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 96% | 54,041 psi | 89% | 2917 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 53,156 psi | 87% | 2759 fps | 99.2% |
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 3100 | <<locked>> | 80% | 34,447 psi | 57% | 2402 fps | 97.4% |
| Accurate 4350 | <<locked>> | 80% | 46,166 psi | 76% | 2648 fps | 100% |
| Accurate High Country | 83.9 gr | 82% | 40,074 psi | 66% | 2618 fps | 95.4% |
| Accurate MAGPRO | <<locked>> | 86% | 43,497 psi | 71% | 2680 fps | 95% |
| ADI AR 2209 | <<locked>> | 80% | 38,493 psi | 63% | 2526 fps | 95.9% |
| ADI AR 2213 | <<locked>> | 86% | 42,018 psi | 69% | 2631 fps | 95.7% |
| ADI AR 2217 | <<locked>> | 94% | 40,509 psi | 67% | 2595 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 90% | 31,894 psi | 52% | 2434 fps | 95.2% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,841 psi | 64% | 2526 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 44,222 psi | 73% | 2657 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 51,140 psi | 84% | 2769 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,493 psi | 63% | 2523 fps | 96% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,825 psi | 60% | 2523 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 33,054 psi | 54% | 2431 fps | 99.6% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,834 psi | 47% | 2339 fps | 95.6% |
| Alliant Reloder-26 | <<locked>> | 80% | 36,172 psi | 59% | 2562 fps | 99.1% |
| Bofors RP15 | <<locked>> | 84% | 36,622 psi | 60% | 2516 fps | 95.3% |
| Bofors RP30 | <<locked>> | 92% | 39,320 psi | 65% | 2608 fps | 95.6% |
| Bofors RP5 | <<locked>> | 82% | 36,825 psi | 60% | 2523 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 48,820 psi | 80% | 2654 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 38,725 psi | 64% | 2556 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 80% | 47,834 psi | 79% | 2700 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 80% | 50,357 psi | 83% | 2713 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 42,003 psi | 69% | 2579 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 86% | 44,034 psi | 72% | 2618 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,771 psi | 69% | 2543 fps | 100% |
| Hodgdon Retumbo | 86.7 gr | 88% | 36,535 psi | 60% | 2592 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 47,442 psi | 78% | 2723 fps | 99.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,760 psi | 46% | 1568 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 44,237 psi | 73% | 2585 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 50,154 psi | 82% | 2677 fps | 99.5% |
| IMR 4831 | <<locked>> | 80% | 43,918 psi | 72% | 2595 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 84% | 43,642 psi | 72% | 2579 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 86% | 40,480 psi | 66% | 2608 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 47,688 psi | 78% | 2628 fps | 99.8% |
| Lovex S070 | <<locked>> | 80% | 46,122 psi | 76% | 2621 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 29,762 psi | 49% | 2287 fps | 95.5% |
| Norma 204 | <<locked>> | 80% | 44,280 psi | 73% | 2625 fps | 97.5% |
| Norma 217 | <<locked>> | 94% | 32,590 psi | 54% | 2480 fps | 95% |
| Norma MRP | <<locked>> | 80% | 35,882 psi | 59% | 2526 fps | 96.7% |
| Norma URP | <<locked>> | 80% | 45,281 psi | 74% | 2638 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 40,074 psi | 66% | 2615 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 44,121 psi | 72% | 2631 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 84% | 33,301 psi | 55% | 2434 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,369 psi | 47% | 1608 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 46,122 psi | 76% | 2671 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 44,208 psi | 73% | 2684 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 33,373 psi | 55% | 2507 fps | 95.8% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 43,120 psi | 71% | 2713 fps | 95.1% |
| Rottweil R 904 | <<locked>> | 80% | 39,842 psi | 65% | 2510 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 80% | 37,811 psi | 62% | 2507 fps | 96% |
| Rottweil R 907 | <<locked>> | 80% | 48,820 psi | 80% | 2654 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,688 psi | 78% | 2628 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 80% | 46,122 psi | 76% | 2621 fps | 99.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,688 psi | 77% | 2579 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,478 psi | 62% | 2500 fps | 95.8% |
| Somchem S361 | <<locked>> | 82% | 43,265 psi | 71% | 2552 fps | 95.4% |
| Somchem S365 | <<locked>> | 80% | 42,279 psi | 69% | 2595 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,464 psi | 63% | 2493 fps | 97.1% |
| Vihtavuori N150 | <<locked>> | 80% | 50,691 psi | 83% | 2628 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,644 psi | 77% | 2631 fps | 100% |
| Vihtavuori N165 | <<locked>> | 82% | 35,578 psi | 58% | 2425 fps | 95.7% |
| Vihtavuori N550 | <<locked>> | 80% | 46,006 psi | 76% | 2635 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 37,159 psi | 61% | 2507 fps | 99.6% |
| Vihtavuori N560 | <<locked>> | 84% | 41,510 psi | 68% | 2638 fps | 95.1% |
| Vihtavuori N565 | <<locked>> | 90% | 41,597 psi | 68% | 2628 fps | 95.5% |
| Vihtavuori N568 | <<locked>> | 98% | 47,805 psi | 78% | 2792 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,759 psi | 75% | 2592 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,979 psi | 79% | 2700 fps | 99.4% |
| Winchester StaBALL HD | 81 gr | 80% | 29,428 psi | 48% | 2448 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 82% | 37,550 psi | 62% | 2474 fps | 95.7% |
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 71 powders for .338 Lapua Mag. loaded with the .338 | 230gr | Norma ORYX. Hodgdon Retumbo delivers the highest muzzle velocity at 2,966 fps; across all powders the maximum-charge window runs from 1,755 fps to 2,966 fps. ADI AR 2217 gives the best case fill at 100 %, and 71 of the 71 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 230.0 gr projectile in 0.338" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, 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. Hodgdon Retumbo, Accurate High Country, Winchester StaBALL HD rank at the top here: for .338 Lapua Mag. with the .338 | 230gr | Norma ORYX 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.