
Load Specifications
Load data in caliber .300 Lapua Mag. with .308 | 190gr | CutEdge MTH bullet and 71 powders. The key underlying parameters are shown in the table above.
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% | 53,824 psi | 88% | 2871 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 51,634 psi | 85% | 2848 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 51,692 psi | 85% | 2963 fps | 98.8% |
| Accurate MAGPRO | <<locked>> | 92% | 52,446 psi | 86% | 2963 fps | 98% |
| ADI AR 2209 | <<locked>> | 90% | 52,591 psi | 86% | 2907 fps | 99.4% |
| ADI AR 2213 | <<locked>> | 94% | 53,969 psi | 89% | 2969 fps | 99% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,356 psi | 79% | 2864 fps | 98.4% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 42,830 psi | 70% | 2825 fps | 99.6% |
| Alliant Reloder-16 | <<locked>> | 86% | 52,939 psi | 87% | 2907 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 53,635 psi | 88% | 2917 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 52,359 psi | 86% | 2897 fps | 99.4% |
| Alliant Reloder-22 | <<locked>> | 94% | 53,853 psi | 88% | 2963 fps | 99.7% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,071 psi | 90% | 2930 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 54,346 psi | 89% | 2992 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 51,445 psi | 84% | 2963 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 52,533 psi | 86% | 2874 fps | 96.1% |
| Bofors RP15 | <<locked>> | 96% | 53,055 psi | 87% | 2949 fps | 99.5% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,357 psi | 83% | 2936 fps | 98.9% |
| Bofors RP5 | <<locked>> | 94% | 53,853 psi | 88% | 2963 fps | 99.7% |
| Bofors RP7 | <<locked>> | 84% | 54,346 psi | 89% | 2851 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 53,417 psi | 88% | 2956 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 84% | 53,534 psi | 88% | 2904 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 52,649 psi | 86% | 2858 fps | 99.5% |
| Hodgdon H4831 | <<locked>> | 92% | 53,882 psi | 88% | 2904 fps | 98.4% |
| Hodgdon H4831 SC | <<locked>> | 92% | 52,794 psi | 87% | 2887 fps | 98.3% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 53,069 psi | 87% | 2828 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,258 psi | 87% | 3068 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 53,838 psi | 88% | 2940 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,927 psi | 61% | 1808 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 52,431 psi | 86% | 2838 fps | 99.8% |
| IMR 4451 Enduron | <<locked>> | 82% | 52,518 psi | 86% | 2822 fps | 99.9% |
| IMR 4831 | <<locked>> | 86% | 52,272 psi | 86% | 2844 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 51,663 psi | 85% | 2835 fps | 98.2% |
| IMR 7828 SSC | <<locked>> | 94% | 51,851 psi | 85% | 2946 fps | 98.8% |
| Lovex S065 | <<locked>> | 84% | 52,837 psi | 87% | 2818 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 54,331 psi | 89% | 2864 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 54,955 psi | 90% | 2887 fps | 100% |
| Norma 204 | <<locked>> | 86% | 53,301 psi | 88% | 2894 fps | 99.4% |
| Norma 217ᴾ | <<locked>> | 100% | 38,319 psi | 63% | 2743 fps | 98.2% |
| Norma MRP | <<locked>> | 92% | 53,577 psi | 88% | 2982 fps | 100% |
| Norma URP | <<locked>> | 86% | 53,780 psi | 88% | 2884 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 52,330 psi | 86% | 2963 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 86% | 52,837 psi | 87% | 2894 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 54,447 psi | 89% | 2956 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,811 psi | 62% | 1854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 51,663 psi | 85% | 2871 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 53,809 psi | 88% | 2956 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 53,954 psi | 89% | 3064 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 48,631 psi | 80% | 2943 fps | 97.5% |
| Rottweil R 904 | <<locked>> | 90% | 53,940 psi | 89% | 2877 fps | 98.9% |
| Rottweil R 905 | <<locked>> | 90% | 51,663 psi | 85% | 2884 fps | 99.4% |
| Rottweil R 907 | <<locked>> | 84% | 54,346 psi | 89% | 2851 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 84% | 52,837 psi | 87% | 2818 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 54,331 psi | 89% | 2864 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 52,025 psi | 85% | 2769 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 54,723 psi | 90% | 2936 fps | 99.7% |
| Somchem S361 | <<locked>> | 88% | 51,866 psi | 85% | 2815 fps | 98% |
| Somchem S365 | <<locked>> | 88% | 54,215 psi | 89% | 2887 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 52,156 psi | 86% | 2858 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 82% | 53,026 psi | 87% | 2766 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 52,214 psi | 86% | 2825 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 51,750 psi | 85% | 2838 fps | 99.6% |
| Vihtavuori N550 | <<locked>> | 86% | 54,839 psi | 90% | 2884 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 53,548 psi | 88% | 2907 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 53,505 psi | 88% | 2979 fps | 98.6% |
| Vihtavuori N565 | <<locked>> | 98% | 53,156 psi | 87% | 2956 fps | 98.8% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 49,850 psi | 82% | 2953 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 51,561 psi | 85% | 2782 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 53,751 psi | 88% | 2907 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 52,388 psi | 86% | 3012 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 52,025 psi | 85% | 2851 fps | 99.4% |
Start Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 33,083 psi | 54% | 2477 fps | 97.6% |
| Accurate 4350 | <<locked>> | 80% | 44,788 psi | 74% | 2733 fps | 100% |
| Accurate High Country | <<locked>> | 82% | 38,899 psi | 64% | 2707 fps | 95.8% |
| Accurate MAGPRO | <<locked>> | 86% | 42,264 psi | 69% | 2769 fps | 95.4% |
| ADI AR 2209 | <<locked>> | 80% | 37,594 psi | 62% | 2615 fps | 96.4% |
| ADI AR 2213 | <<locked>> | 84% | 38,290 psi | 63% | 2657 fps | 95.2% |
| ADI AR 2217 | <<locked>> | 94% | 39,349 psi | 65% | 2680 fps | 95.9% |
| ADI AR 2225 | <<locked>> | 90% | 30,835 psi | 51% | 2516 fps | 95.6% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,236 psi | 71% | 2743 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,038 psi | 82% | 2861 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 37,478 psi | 62% | 2605 fps | 96.4% |
| Alliant Reloder-22 | <<locked>> | 82% | 35,607 psi | 58% | 2605 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,010 psi | 53% | 2510 fps | 99.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 27,833 psi | 46% | 2415 fps | 96% |
| Alliant Reloder-26 | <<locked>> | 80% | 34,882 psi | 57% | 2648 fps | 99.3% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 49,414 psi | 81% | 2815 fps | 95.3% |
| Bofors RP15 | <<locked>> | 84% | 35,462 psi | 58% | 2598 fps | 95.6% |
| Bofors RP30 | <<locked>> | 90% | 35,563 psi | 58% | 2631 fps | 95% |
| Bofors RP5 | <<locked>> | 82% | 35,607 psi | 58% | 2605 fps | 95.9% |
| Bofors RP7 | <<locked>> | 80% | 47,761 psi | 78% | 2740 fps | 99.4% |
| Hodgdon H1000 | <<locked>> | 90% | 37,710 psi | 62% | 2644 fps | 96% |
| Hodgdon H414 | <<locked>> | 80% | 46,789 psi | 77% | 2789 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 80% | 49,458 psi | 81% | 2805 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 84% | 41,002 psi | 67% | 2667 fps | 95.5% |
| Hodgdon H4831 SC | <<locked>> | 84% | 40,161 psi | 66% | 2651 fps | 95.2% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 40,712 psi | 67% | 2628 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 33,141 psi | 54% | 2615 fps | 95.3% |
| Hodgdon Superformance | <<locked>> | 80% | 46,325 psi | 76% | 2815 fps | 99.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,615 psi | 45% | 1617 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,381 psi | 71% | 2674 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,197 psi | 81% | 2766 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 42,757 psi | 70% | 2680 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,016 psi | 66% | 2608 fps | 95.3% |
| IMR 7828 SSC | <<locked>> | 86% | 39,320 psi | 65% | 2694 fps | 95.7% |
| Lovex S065 | <<locked>> | 80% | 46,702 psi | 77% | 2717 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 44,918 psi | 74% | 2703 fps | 99.4% |
| Lovex S071 | <<locked>> | 80% | 28,384 psi | 47% | 2352 fps | 95.7% |
| Norma 204 | <<locked>> | 80% | 43,279 psi | 71% | 2710 fps | 97.8% |
| Norma 217 | <<locked>> | 94% | 31,256 psi | 51% | 2559 fps | 95.3% |
| Norma MRP | <<locked>> | 80% | 34,722 psi | 57% | 2612 fps | 97% |
| Norma URP | <<locked>> | 80% | 44,164 psi | 73% | 2723 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 38,986 psi | 64% | 2703 fps | 96% |
| Ramshot Hunter | <<locked>> | 80% | 43,018 psi | 71% | 2720 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 84% | 32,126 psi | 53% | 2513 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,311 psi | 46% | 1657 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 44,860 psi | 74% | 2756 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,250 psi | 71% | 2779 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,256 psi | 53% | 2589 fps | 96.3% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 41,698 psi | 68% | 2805 fps | 95.5% |
| Rottweil R 904 | <<locked>> | 80% | 38,928 psi | 64% | 2592 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 80% | 36,724 psi | 60% | 2589 fps | 96.3% |
| Rottweil R 907 | <<locked>> | 80% | 47,761 psi | 78% | 2740 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 46,702 psi | 77% | 2717 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 44,918 psi | 74% | 2703 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 45,672 psi | 75% | 2664 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,405 psi | 60% | 2585 fps | 96.2% |
| Somchem S361 | <<locked>> | 82% | 42,235 psi | 69% | 2638 fps | 95.8% |
| Somchem S365 | <<locked>> | 80% | 41,147 psi | 68% | 2677 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,333 psi | 61% | 2575 fps | 97.4% |
| Vihtavuori N150 | <<locked>> | 80% | 49,574 psi | 81% | 2713 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 45,585 psi | 75% | 2717 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 32,169 psi | 53% | 2444 fps | 95.1% |
| Vihtavuori N550 | <<locked>> | 80% | 44,962 psi | 74% | 2723 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 35,810 psi | 59% | 2582 fps | 99.7% |
| Vihtavuori N560 | <<locked>> | 84% | 40,408 psi | 66% | 2730 fps | 95.5% |
| Vihtavuori N565 | <<locked>> | 90% | 40,321 psi | 66% | 2713 fps | 95.8% |
| Vihtavuori N568 | <<locked>> | 96% | 43,134 psi | 71% | 2822 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,773 psi | 74% | 2677 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,789 psi | 77% | 2789 fps | 99.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 28,253 psi | 46% | 2523 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 80% | 34,055 psi | 56% | 2500 fps | 95.2% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 71 powders for .300 Lapua Mag. loaded with the .308 | 190gr | CutEdge MTH. Hodgdon Retumbo delivers the highest muzzle velocity at 3,068 fps; across all powders the maximum-charge window runs from 1,808 fps to 3,068 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 190.0 gr projectile in 0.308" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.