Load Specifications
Load data in caliber .300 Lapua Mag. with .308 | 168gr | Barnes TSX BT bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Accurate MAGPRO, Alliant Reloder-26 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>> | 96% | 53,200 psi | 87% | 3025 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 54,853 psi | 90% | 3071 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 52,040 psi | 85% | 3117 fps | 96.7% |
| ADI AR 2208 | <<locked>> | 82% | 53,330 psi | 88% | 2982 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 52,446 psi | 86% | 3068 fps | 98.7% |
| ADI AR 2213 | <<locked>> | 96% | 53,722 psi | 88% | 3123 fps | 98% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 44,730 psi | 73% | 2936 fps | 96.1% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 39,552 psi | 65% | 2887 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 54,259 psi | 89% | 3005 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 52,286 psi | 86% | 3074 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 53,403 psi | 88% | 3091 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 51,953 psi | 85% | 3054 fps | 98.7% |
| Alliant Reloder-22 | <<locked>> | 96% | 53,316 psi | 88% | 3120 fps | 99% |
| Alliant Reloder-23 | <<locked>> | 98% | 54,230 psi | 89% | 3094 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 50,111 psi | 82% | 3094 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 54,476 psi | 89% | 3186 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 52,286 psi | 86% | 3097 fps | 98.7% |
| Bofors RP3 | <<locked>> | 82% | 55,056 psi | 90% | 3018 fps | 100% |
| Bofors RP30ᴾ | <<locked>> | 100% | 45,818 psi | 75% | 3012 fps | 97% |
| Bofors RP5 | <<locked>> | 96% | 53,316 psi | 88% | 3120 fps | 99% |
| Bofors RP7 | <<locked>> | 86% | 54,360 psi | 89% | 3015 fps | 99.4% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 49,458 psi | 81% | 3038 fps | 98% |
| Hodgdon H414 | <<locked>> | 86% | 53,330 psi | 88% | 3068 fps | 99.7% |
| Hodgdon H4350 | <<locked>> | 84% | 52,823 psi | 87% | 3025 fps | 98.9% |
| Hodgdon H4831 | <<locked>> | 94% | 53,795 psi | 88% | 3061 fps | 97.4% |
| Hodgdon H4831 SC | <<locked>> | 94% | 52,721 psi | 87% | 3045 fps | 97.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 52,663 psi | 86% | 2995 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 49,008 psi | 80% | 3150 fps | 99.1% |
| Hodgdon Superformance | <<locked>> | 86% | 53,708 psi | 88% | 3107 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,637 psi | 60% | 1923 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 52,518 psi | 86% | 2999 fps | 99.3% |
| IMR 4451 Enduron | <<locked>> | 84% | 52,649 psi | 86% | 2989 fps | 99.5% |
| IMR 4831 | <<locked>> | 88% | 51,851 psi | 85% | 3005 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 51,779 psi | 85% | 2992 fps | 97.1% |
| IMR 7828 SSC | <<locked>> | 96% | 51,474 psi | 85% | 3097 fps | 97.7% |
| Lovex S065 | <<locked>> | 86% | 52,953 psi | 87% | 2986 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 54,433 psi | 89% | 3035 fps | 99.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 50,662 psi | 83% | 2982 fps | 99.8% |
| Norma 204 | <<locked>> | 88% | 53,113 psi | 87% | 3051 fps | 98.6% |
| Norma MRP | <<locked>> | 94% | 52,997 psi | 87% | 3143 fps | 99.7% |
| Norma URP | <<locked>> | 88% | 53,650 psi | 88% | 3054 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 51,851 psi | 85% | 3114 fps | 98.1% |
| Ramshot Hunter | <<locked>> | 88% | 52,417 psi | 86% | 3054 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 54,027 psi | 89% | 3110 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,434 psi | 61% | 1972 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 52,808 psi | 87% | 3077 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 55,042 psi | 90% | 3094 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 53,447 psi | 88% | 3123 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 49,385 psi | 81% | 3146 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 82% | 51,793 psi | 85% | 2966 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 53,867 psi | 88% | 3035 fps | 98% |
| Rottweil R 905 | <<locked>> | 94% | 54,810 psi | 90% | 3097 fps | 99.1% |
| Rottweil R 907 | <<locked>> | 86% | 54,360 psi | 89% | 3015 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 86% | 52,953 psi | 87% | 2986 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 54,433 psi | 89% | 3035 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 53,592 psi | 88% | 3028 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 52,518 psi | 86% | 2848 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 52,402 psi | 86% | 2936 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 54,389 psi | 89% | 3097 fps | 99.1% |
| Somchem S355 | <<locked>> | 82% | 51,880 psi | 85% | 2963 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 51,851 psi | 85% | 2963 fps | 96.9% |
| Somchem S365 | <<locked>> | 90% | 53,563 psi | 88% | 3054 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 51,866 psi | 85% | 3015 fps | 99.2% |
| Vihtavuori N150 | <<locked>> | 84% | 53,011 psi | 87% | 2936 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 52,025 psi | 85% | 2992 fps | 100% |
| Vihtavuori N165 | <<locked>> | 98% | 54,824 psi | 90% | 3048 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 88% | 54,607 psi | 90% | 3051 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 52,750 psi | 87% | 3064 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 53,055 psi | 87% | 3133 fps | 97.5% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 52,315 psi | 86% | 3100 fps | 97.6% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 51,576 psi | 85% | 2953 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 53,548 psi | 88% | 3071 fps | 99.7% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 55,027 psi | 90% | 3235 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 51,619 psi | 85% | 3002 fps | 98.6% |
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% | 30,400 psi | 50% | 2543 fps | 95.1% |
| Accurate 4350 | <<locked>> | 80% | 41,452 psi | 68% | 2828 fps | 99.6% |
| Accurate MAGPRO | 83.4 gr | 92% | 48,385 psi | 79% | 3048 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 80% | 50,169 psi | 82% | 2930 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 40,001 psi | 66% | 2815 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 90% | 43,642 psi | 72% | 2923 fps | 95.5% |
| ADI AR 2217 | <<locked>> | 98% | 41,785 psi | 69% | 2871 fps | 95.1% |
| ADI AR 2225 | <<locked>> | 96% | 34,693 psi | 57% | 2756 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 51,053 psi | 84% | 2956 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 40,089 psi | 66% | 2841 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 46,137 psi | 76% | 2969 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 39,885 psi | 65% | 2808 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 86% | 37,739 psi | 62% | 2799 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 29,399 psi | 48% | 2579 fps | 98.3% |
| Alliant Reloder-25 | <<locked>> | 84% | 29,341 psi | 48% | 2592 fps | 95% |
| Alliant Reloder-26 | 73.3 gr | 80% | 31,792 psi | 52% | 2707 fps | 97.2% |
| Bofors RP15 | <<locked>> | 90% | 40,016 psi | 66% | 2851 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 51,517 psi | 85% | 2966 fps | 100% |
| Bofors RP30 | <<locked>> | 96% | 39,871 psi | 65% | 2881 fps | 95.1% |
| Bofors RP5 | <<locked>> | 86% | 37,739 psi | 62% | 2799 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 44,889 psi | 74% | 2841 fps | 98.1% |
| Hodgdon H1000 | <<locked>> | 94% | 40,074 psi | 66% | 2838 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 80% | 43,526 psi | 71% | 2884 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 80% | 46,224 psi | 76% | 2904 fps | 97.8% |
| Hodgdon H4831 | <<locked>> | 90% | 46,746 psi | 77% | 2933 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 90% | 45,847 psi | 75% | 2913 fps | 95.5% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 37,681 psi | 62% | 2723 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 92% | 37,333 psi | 61% | 2867 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 80% | 42,728 psi | 70% | 2900 fps | 97.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,412 psi | 45% | 1722 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 40,509 psi | 67% | 2766 fps | 97.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 46,514 psi | 76% | 2874 fps | 98.7% |
| IMR 4831 | <<locked>> | 80% | 39,624 psi | 65% | 2776 fps | 99.4% |
| IMR 4955 Enduron | <<locked>> | 88% | 45,542 psi | 75% | 2874 fps | 95.6% |
| IMR 7828 SSC | <<locked>> | 92% | 44,889 psi | 74% | 2966 fps | 96% |
| Lovex S065 | <<locked>> | 80% | 43,816 psi | 72% | 2818 fps | 99.2% |
| Lovex S070 | <<locked>> | 80% | 41,989 psi | 69% | 2802 fps | 98.1% |
| Lovex S071 | <<locked>> | 86% | 31,821 psi | 52% | 2582 fps | 95.7% |
| Norma 204 | <<locked>> | 80% | 40,263 psi | 66% | 2799 fps | 95.7% |
| Norma MRP | <<locked>> | 82% | 34,287 psi | 56% | 2743 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 40,973 psi | 67% | 2822 fps | 99.5% |
| Ramshot Grand | 79.4 gr | 90% | 41,568 psi | 68% | 2904 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 39,914 psi | 66% | 2812 fps | 98.2% |
| Ramshot Magnum | <<locked>> | 90% | 36,941 psi | 61% | 2772 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,891 psi | 46% | 1762 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 49,023 psi | 80% | 3018 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 41,365 psi | 68% | 2848 fps | 99.4% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 39,929 psi | 66% | 2864 fps | 99.2% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 34,171 psi | 56% | 2776 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 80% | 48,399 psi | 79% | 2910 fps | 100% |
| Rottweil R 904 | <<locked>> | 84% | 41,510 psi | 68% | 2795 fps | 95% |
| Rottweil R 905 | <<locked>> | 84% | 38,928 psi | 64% | 2789 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 80% | 44,889 psi | 74% | 2841 fps | 98.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 43,816 psi | 72% | 2818 fps | 99.2% |
| Shooters World SW4350 | <<locked>> | 80% | 41,989 psi | 69% | 2802 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 50,009 psi | 82% | 2969 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 49,327 psi | 81% | 2799 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 42,815 psi | 70% | 2759 fps | 98.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 38,580 psi | 63% | 2782 fps | 95.5% |
| Somchem S355 | <<locked>> | 80% | 48,588 psi | 80% | 2907 fps | 100% |
| Somchem S361 | <<locked>> | 86% | 45,324 psi | 74% | 2844 fps | 95.3% |
| Somchem S365 | <<locked>> | 80% | 37,681 psi | 62% | 2772 fps | 100% |
| Somchem S385 | <<locked>> | 82% | 36,869 psi | 61% | 2710 fps | 95.9% |
| Vihtavuori N150 | <<locked>> | 80% | 46,427 psi | 76% | 2831 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 42,540 psi | 70% | 2818 fps | 99.6% |
| Vihtavuori N165 | <<locked>> | 86% | 36,579 psi | 60% | 2694 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 41,930 psi | 69% | 2822 fps | 99.5% |
| Vihtavuori N555 | <<locked>> | 80% | 32,764 psi | 54% | 2657 fps | 98.3% |
| Vihtavuori N560 | <<locked>> | 90% | 45,992 psi | 76% | 2999 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 94% | 42,482 psi | 70% | 2907 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 41,684 psi | 68% | 2782 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 43,526 psi | 71% | 2884 fps | 98.3% |
| Winchester StaBALL HD | <<locked>> | 80% | 25,904 psi | 43% | 2562 fps | 97.8% |
| Winchester Supreme 780 | <<locked>> | 86% | 38,972 psi | 64% | 2756 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 80 powders for .300 Lapua Mag. loaded with the .308 | 168gr | Barnes TSX BT. Winchester StaBALL HD delivers the highest muzzle velocity at 3,235 fps; across all powders the maximum-charge window runs from 1,923 fps to 3,235 fps. ADI AR 2217 gives the best case fill at 100 %, and 80 of the 80 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (420 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.308" calls for a 1:12.0 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. Accurate MAGPRO, Alliant Reloder-26, Ramshot Grand rank at the top here: for .300 Lapua Mag. with the .308 | 168gr | Barnes TSX BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Baschieri & Pellagri 109, IMR 8133 Enduron, ReloadSwiss RS 80 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.