Load Specifications
Load data in caliber .300 Lapua Mag. with .308 | 200gr | Swift A-Frame bullet and 69 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon Retumbo, ReloadSwiss RS 76 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: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 90% | 51,880 psi | 85% | 2769 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 52,895 psi | 87% | 2792 fps | 100% |
| Accurate MAGPRO | <<locked>> | 90% | 54,027 psi | 89% | 2923 fps | 98.8% |
| ADI AR 2209 | <<locked>> | 88% | 53,635 psi | 88% | 2854 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 90% | 51,445 psi | 84% | 2861 fps | 99.1% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 53,113 psi | 87% | 2887 fps | 99.5% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 47,645 psi | 78% | 2854 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 84% | 53,853 psi | 88% | 2848 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 53,272 psi | 87% | 2844 fps | 99.8% |
| Alliant Reloder-22 | <<locked>> | 90% | 51,779 psi | 85% | 2861 fps | 99.7% |
| Alliant Reloder-23 | <<locked>> | 92% | 53,243 psi | 87% | 2831 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 52,678 psi | 86% | 2897 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 53,316 psi | 88% | 2917 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 49,530 psi | 81% | 2904 fps | 96.3% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 53,113 psi | 87% | 2828 fps | 97.1% |
| Bofors RP15 | <<locked>> | 94% | 54,476 psi | 89% | 2904 fps | 99.9% |
| Bofors RP30 | <<locked>> | 98% | 52,315 psi | 86% | 2900 fps | 99.5% |
| Bofors RP5 | <<locked>> | 90% | 51,779 psi | 85% | 2861 fps | 99.7% |
| Bofors RP7 | <<locked>> | 82% | 54,810 psi | 90% | 2792 fps | 100% |
| Hodgdon H1000 | <<locked>> | 98% | 54,636 psi | 90% | 2910 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 82% | 54,346 psi | 89% | 2848 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 54,839 psi | 90% | 2858 fps | 99% |
| Hodgdon H4831 SC | <<locked>> | 90% | 53,780 psi | 88% | 2841 fps | 98.9% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 54,128 psi | 89% | 2769 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 96% | 51,619 psi | 85% | 2972 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 54,708 psi | 90% | 2884 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,275 psi | 61% | 1775 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 53,142 psi | 87% | 2782 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 53,258 psi | 87% | 2785 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 88% | 52,431 psi | 86% | 2785 fps | 98.8% |
| IMR 7828 SSC | <<locked>> | 92% | 53,142 psi | 87% | 2900 fps | 99.4% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 43,221 psi | 71% | 2762 fps | 98.1% |
| Lovex S065 | <<locked>> | 82% | 53,635 psi | 88% | 2762 fps | 100% |
| Lovex S070 | <<locked>> | 82% | 51,851 psi | 85% | 2759 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 53,330 psi | 88% | 2792 fps | 100% |
| Norma 204 | <<locked>> | 84% | 53,911 psi | 89% | 2835 fps | 99.7% |
| Norma 217ᴾ | <<locked>> | 100% | 43,395 psi | 71% | 2785 fps | 99.6% |
| Norma MRP | <<locked>> | 88% | 51,648 psi | 85% | 2881 fps | 100% |
| Norma URP | <<locked>> | 84% | 54,868 psi | 90% | 2828 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 53,824 psi | 88% | 2920 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 84% | 53,664 psi | 88% | 2835 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 52,141 psi | 86% | 2851 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,232 psi | 63% | 1821 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 52,837 psi | 87% | 2815 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 55,042 psi | 90% | 2900 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 51,779 psi | 85% | 2959 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 54,897 psi | 90% | 2982 fps | 99.1% |
| Rottweil R 904 | <<locked>> | 88% | 54,607 psi | 90% | 2825 fps | 99.4% |
| Rottweil R 905 | <<locked>> | 88% | 52,779 psi | 87% | 2835 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 82% | 54,810 psi | 90% | 2792 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 53,635 psi | 88% | 2762 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 51,851 psi | 85% | 2759 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 52,721 psi | 87% | 2717 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 52,388 psi | 86% | 2828 fps | 99.8% |
| Somchem S361 | <<locked>> | 86% | 52,562 psi | 86% | 2766 fps | 98.7% |
| Somchem S365 | <<locked>> | 84% | 52,054 psi | 85% | 2782 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 53,272 psi | 87% | 2808 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 52,997 psi | 87% | 2769 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 52,910 psi | 87% | 2792 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 82% | 52,214 psi | 86% | 2772 fps | 100% |
| Vihtavuori N555 | <<locked>> | 88% | 51,895 psi | 85% | 2805 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 54,926 psi | 90% | 2933 fps | 99.2% |
| Vihtavuori N565 | <<locked>> | 96% | 55,042 psi | 90% | 2920 fps | 99.4% |
| Vihtavuori N568 | <<locked>> | 98% | 52,025 psi | 85% | 2923 fps | 98.2% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 52,721 psi | 87% | 2976 fps | 96.7% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 52,214 psi | 86% | 2723 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 54,549 psi | 90% | 2851 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 92% | 51,343 psi | 84% | 2913 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 53,113 psi | 87% | 2805 fps | 99.7% |
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% | 37,144 psi | 61% | 2507 fps | 99.1% |
| Accurate 4350 | <<locked>> | 80% | 49,429 psi | 81% | 2740 fps | 100% |
| Accurate MAGPRO | <<locked>> | 82% | 40,843 psi | 67% | 2674 fps | 95.8% |
| ADI AR 2209 | <<locked>> | 80% | 41,060 psi | 67% | 2628 fps | 98.1% |
| ADI AR 2213 | <<locked>> | 80% | 36,651 psi | 60% | 2559 fps | 95.4% |
| ADI AR 2217 | <<locked>> | 88% | 35,607 psi | 58% | 2533 fps | 95.3% |
| ADI AR 2225 | <<locked>> | 84% | 28,311 psi | 46% | 2382 fps | 95.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 47,253 psi | 78% | 2743 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 41,133 psi | 68% | 2625 fps | 98.1% |
| Alliant Reloder-22 | <<locked>> | 80% | 36,956 psi | 61% | 2572 fps | 97.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 35,723 psi | 59% | 2526 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 30,937 psi | 51% | 2451 fps | 98.3% |
| Alliant Reloder-26 | <<locked>> | 80% | 39,508 psi | 65% | 2677 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 98% | 46,137 psi | 76% | 2838 fps | 95.3% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 46,934 psi | 77% | 2713 fps | 95.5% |
| Bofors RP15 | <<locked>> | 80% | 34,548 psi | 57% | 2510 fps | 96.1% |
| Bofors RP30 | <<locked>> | 86% | 34,809 psi | 57% | 2549 fps | 95.5% |
| Bofors RP5 | <<locked>> | 80% | 36,956 psi | 61% | 2572 fps | 97.1% |
| Bofors RP7 | <<locked>> | 80% | 51,430 psi | 84% | 2740 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 84% | 33,910 psi | 56% | 2493 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 80% | 50,966 psi | 84% | 2792 fps | 100% |
| Hodgdon H4831 | <<locked>> | 80% | 39,175 psi | 64% | 2569 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 80% | 38,421 psi | 63% | 2552 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 44,643 psi | 73% | 2625 fps | 100% |
| Hodgdon Retumbo | 70.1 gr | 82% | 32,329 psi | 53% | 2536 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 50,850 psi | 83% | 2825 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,978 psi | 46% | 1588 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 46,833 psi | 77% | 2677 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 46,949 psi | 77% | 2687 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 40,712 psi | 67% | 2566 fps | 96.4% |
| IMR 7828 SSC | <<locked>> | 80% | 35,433 psi | 58% | 2539 fps | 95% |
| IMR 8133 Enduron | <<locked>> | 94% | 35,404 psi | 58% | 2585 fps | 95.5% |
| Lovex S065 | <<locked>> | 80% | 50,386 psi | 83% | 2710 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 48,863 psi | 80% | 2710 fps | 99.9% |
| Lovex S071 | <<locked>> | 80% | 32,053 psi | 53% | 2385 fps | 97.8% |
| Norma 204 | <<locked>> | 80% | 47,108 psi | 77% | 2723 fps | 99% |
| Norma 217 | <<locked>> | 88% | 29,109 psi | 48% | 2438 fps | 95% |
| Norma MRP | <<locked>> | 80% | 38,957 psi | 64% | 2644 fps | 98.8% |
| Norma URP | <<locked>> | 80% | 48,312 psi | 79% | 2726 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 35,012 psi | 57% | 2546 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 47,036 psi | 77% | 2726 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 31,212 psi | 51% | 2431 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,747 psi | 47% | 1627 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 49,516 psi | 81% | 2766 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 47,514 psi | 78% | 2782 fps | 100% |
| ReloadSwiss RS 76 | 73.2 gr | 80% | 29,254 psi | 48% | 2444 fps | 95.6% |
| ReloadSwiss RS 80 | <<locked>> | 92% | 40,509 psi | 67% | 2720 fps | 95.9% |
| Rottweil R 904 | <<locked>> | 80% | 42,293 psi | 69% | 2605 fps | 97.3% |
| Rottweil R 905 | <<locked>> | 80% | 40,596 psi | 67% | 2612 fps | 98.1% |
| Rottweil R 907 | <<locked>> | 80% | 51,430 psi | 84% | 2740 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 50,386 psi | 83% | 2710 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 48,863 psi | 80% | 2710 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 49,400 psi | 81% | 2667 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 40,263 psi | 66% | 2608 fps | 98% |
| Somchem S361 | <<locked>> | 80% | 43,004 psi | 71% | 2595 fps | 96.8% |
| Somchem S365 | <<locked>> | 80% | 45,455 psi | 75% | 2680 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 41,031 psi | 67% | 2589 fps | 98.8% |
| Vihtavuori N160 | <<locked>> | 80% | 49,690 psi | 82% | 2717 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 35,708 psi | 59% | 2470 fps | 97.2% |
| Vihtavuori N550 | <<locked>> | 80% | 49,037 psi | 81% | 2723 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 40,118 psi | 66% | 2605 fps | 100% |
| Vihtavuori N560 | <<locked>> | 80% | 39,001 psi | 64% | 2631 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 84% | 36,666 psi | 60% | 2569 fps | 95.3% |
| Vihtavuori N568 | <<locked>> | 92% | 41,945 psi | 69% | 2733 fps | 95.7% |
| Vihtavuori N570 | <<locked>> | 98% | 49,095 psi | 81% | 2910 fps | 95.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 48,805 psi | 80% | 2674 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 51,155 psi | 84% | 2795 fps | 100% |
| Winchester StaBALL HD | 70.2 gr | 80% | 32,169 psi | 53% | 2566 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 37,666 psi | 62% | 2523 fps | 97.2% |
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 69 powders for .300 Lapua Mag. loaded with the .308 | 200gr | Swift A-Frame. ReloadSwiss RS 80 delivers the highest muzzle velocity at 2,982 fps; across all powders the maximum-charge window runs from 1,775 fps to 2,982 fps. ADI AR 2217 gives the best case fill at 100 %, and 69 of the 69 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 200.0 gr projectile in 0.308" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-33 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, ReloadSwiss RS 76, Winchester StaBALL HD rank at the top here: for .300 Lapua Mag. with the .308 | 200gr | Swift A-Frame 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.