Load Specifications
Load data in caliber .300 Lapua Mag. with .311 | 182gr | Prvi Partizan FMJ BT bullet and 72 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Accurate High Country, Ramshot Grand and Alliant Reloder-26.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 26"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 54,592 psi | 90% | 2933 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 52,301 psi | 86% | 2913 fps | 100% |
| Accurate High Country | <<locked>> | 90% | 52,431 psi | 86% | 3028 fps | 98.7% |
| Accurate MAGPRO | <<locked>> | 92% | 53,258 psi | 87% | 3031 fps | 97.8% |
| ADI AR 2209 | <<locked>> | 90% | 53,098 psi | 87% | 2969 fps | 99.3% |
| ADI AR 2213 | <<locked>> | 94% | 54,491 psi | 89% | 3031 fps | 98.8% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,863 psi | 80% | 2927 fps | 98.2% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,555 psi | 72% | 2884 fps | 99.5% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 53,345 psi | 88% | 2966 fps | 99.3% |
| Alliant Reloder-16 | <<locked>> | 86% | 53,214 psi | 87% | 2969 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 54,331 psi | 89% | 2986 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 52,707 psi | 87% | 2956 fps | 99.3% |
| Alliant Reloder-22 | <<locked>> | 94% | 54,520 psi | 90% | 3028 fps | 99.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 52,127 psi | 86% | 2946 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 55,027 psi | 90% | 3061 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 52,112 psi | 86% | 3028 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 94% | 53,040 psi | 87% | 2930 fps | 95.8% |
| Bofors RP15 | <<locked>> | 96% | 53,722 psi | 88% | 3015 fps | 99.4% |
| Bofors RP30ᴾ | <<locked>> | 100% | 50,894 psi | 84% | 2995 fps | 98.8% |
| Bofors RP5 | <<locked>> | 94% | 54,520 psi | 90% | 3028 fps | 99.6% |
| Bofors RP7 | <<locked>> | 84% | 54,810 psi | 90% | 2913 fps | 99.8% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 53,998 psi | 89% | 3018 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 84% | 54,056 psi | 89% | 2966 fps | 99.9% |
| Hodgdon H4350 | <<locked>> | 82% | 53,185 psi | 87% | 2923 fps | 99.4% |
| Hodgdon H4831 | <<locked>> | 92% | 54,476 psi | 89% | 2966 fps | 98.2% |
| Hodgdon H4831 SC | <<locked>> | 92% | 53,403 psi | 88% | 2949 fps | 98.1% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 53,621 psi | 88% | 2894 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 53,882 psi | 88% | 3133 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 54,288 psi | 89% | 3002 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,043 psi | 61% | 1854 fps | 100% |
| IMR 4350 | <<locked>> | 86% | 52,910 psi | 87% | 2900 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 52,895 psi | 87% | 2884 fps | 99.8% |
| IMR 4831 | <<locked>> | 86% | 52,895 psi | 87% | 2907 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 52,170 psi | 86% | 2897 fps | 98% |
| IMR 7828 SSC | <<locked>> | 94% | 52,431 psi | 86% | 3009 fps | 98.6% |
| Lovex S065 | <<locked>> | 84% | 53,534 psi | 88% | 2884 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 51,851 psi | 85% | 2881 fps | 99.9% |
| Lovex S071 | <<locked>> | 98% | 52,272 psi | 86% | 2897 fps | 100% |
| Norma 204 | <<locked>> | 86% | 53,664 psi | 88% | 2953 fps | 99.2% |
| Norma 217ᴾ | <<locked>> | 100% | 39,073 psi | 64% | 2808 fps | 98% |
| Norma MRP | <<locked>> | 92% | 54,230 psi | 89% | 3048 fps | 100% |
| Norma URP | <<locked>> | 86% | 54,563 psi | 90% | 2953 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 52,852 psi | 87% | 3025 fps | 98.9% |
| Ramshot Hunter | <<locked>> | 86% | 53,272 psi | 87% | 2956 fps | 100% |
| Ramshot Magnum | <<locked>> | 96% | 51,213 psi | 84% | 2959 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,942 psi | 62% | 1900 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 52,431 psi | 86% | 2936 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 54,273 psi | 89% | 3022 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,607 psi | 90% | 3130 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,385 psi | 81% | 3009 fps | 97.3% |
| Rottweil R 904 | <<locked>> | 90% | 54,505 psi | 89% | 2940 fps | 98.8% |
| Rottweil R 905 | <<locked>> | 90% | 52,359 psi | 86% | 2949 fps | 99.3% |
| Rottweil R 907 | <<locked>> | 84% | 54,810 psi | 90% | 2913 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 84% | 53,534 psi | 88% | 2884 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 51,851 psi | 85% | 2881 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 52,736 psi | 87% | 2835 fps | 99.9% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 51,924 psi | 85% | 2943 fps | 99.3% |
| Somchem S361 | <<locked>> | 88% | 52,315 psi | 86% | 2874 fps | 97.8% |
| Somchem S365 | <<locked>> | 88% | 54,766 psi | 90% | 2953 fps | 100% |
| Somchem S385 | <<locked>> | 90% | 52,837 psi | 87% | 2923 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 82% | 53,563 psi | 88% | 2828 fps | 100% |
| Vihtavuori N160 | <<locked>> | 84% | 52,620 psi | 86% | 2887 fps | 100% |
| Vihtavuori N165 | <<locked>> | 94% | 52,228 psi | 86% | 2900 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 84% | 51,953 psi | 85% | 2894 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 54,389 psi | 89% | 2972 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 54,085 psi | 89% | 3041 fps | 98.4% |
| Vihtavuori N565 | <<locked>> | 98% | 53,998 psi | 89% | 3022 fps | 98.6% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,633 psi | 83% | 3015 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 52,069 psi | 85% | 2848 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 54,259 psi | 89% | 2969 fps | 99.9% |
| Winchester StaBALL HD | <<locked>> | 96% | 53,200 psi | 87% | 3081 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 52,475 psi | 86% | 2910 fps | 99.2% |
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% | 34,171 psi | 56% | 2543 fps | 97.5% |
| Accurate 4350 | <<locked>> | 80% | 45,832 psi | 75% | 2805 fps | 100% |
| Accurate High Country | 72.7 gr | 82% | 39,624 psi | 65% | 2772 fps | 95.6% |
| Accurate MAGPRO | <<locked>> | 86% | 43,091 psi | 71% | 2835 fps | 95.2% |
| ADI AR 2209 | <<locked>> | 80% | 38,130 psi | 63% | 2671 fps | 96.1% |
| ADI AR 2213 | <<locked>> | 86% | 41,539 psi | 68% | 2779 fps | 95.9% |
| ADI AR 2217 | <<locked>> | 94% | 40,045 psi | 66% | 2740 fps | 95.6% |
| ADI AR 2225 | <<locked>> | 90% | 31,589 psi | 52% | 2579 fps | 95.4% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 38,566 psi | 63% | 2674 fps | 96.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,801 psi | 72% | 2808 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,575 psi | 83% | 2927 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,218 psi | 63% | 2671 fps | 96.2% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,361 psi | 60% | 2667 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,735 psi | 54% | 2572 fps | 99.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,543 psi | 47% | 2477 fps | 95.9% |
| Alliant Reloder-26 | 73 gr | 80% | 35,636 psi | 59% | 2710 fps | 99.2% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 49,864 psi | 82% | 2874 fps | 95% |
| Bofors RP15 | <<locked>> | 84% | 36,187 psi | 59% | 2661 fps | 95.5% |
| Bofors RP30 | <<locked>> | 92% | 38,740 psi | 64% | 2756 fps | 95.8% |
| Bofors RP5 | <<locked>> | 82% | 36,361 psi | 60% | 2667 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 48,414 psi | 79% | 2805 fps | 99.2% |
| Hodgdon H1000 | <<locked>> | 90% | 38,319 psi | 63% | 2703 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 47,311 psi | 78% | 2851 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 80% | 49,908 psi | 82% | 2864 fps | 99% |
| Hodgdon H4831 | <<locked>> | 84% | 41,568 psi | 68% | 2726 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 86% | 43,569 psi | 72% | 2769 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,234 psi | 68% | 2687 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 33,823 psi | 56% | 2677 fps | 95.1% |
| Hodgdon Superformance | <<locked>> | 80% | 46,775 psi | 77% | 2874 fps | 99.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,775 psi | 46% | 1657 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,903 psi | 72% | 2733 fps | 98.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,676 psi | 82% | 2828 fps | 99.6% |
| IMR 4831 | <<locked>> | 80% | 43,453 psi | 71% | 2746 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,640 psi | 67% | 2671 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 86% | 40,045 psi | 66% | 2759 fps | 95.5% |
| Lovex S065 | <<locked>> | 80% | 47,384 psi | 78% | 2779 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 45,658 psi | 75% | 2769 fps | 99.3% |
| Lovex S071 | <<locked>> | 80% | 29,428 psi | 48% | 2421 fps | 95.7% |
| Norma 204 | <<locked>> | 80% | 43,903 psi | 72% | 2776 fps | 97.6% |
| Norma 217 | <<locked>> | 94% | 32,068 psi | 53% | 2621 fps | 95.1% |
| Norma MRP | <<locked>> | 80% | 35,491 psi | 58% | 2674 fps | 96.9% |
| Norma URP | <<locked>> | 80% | 44,802 psi | 74% | 2789 fps | 100% |
| Ramshot Grand | 75.6 gr | 86% | 39,697 psi | 65% | 2766 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 43,729 psi | 72% | 2785 fps | 99.4% |
| Ramshot Magnum | <<locked>> | 84% | 32,938 psi | 54% | 2575 fps | 95.2% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,326 psi | 47% | 1696 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,614 psi | 75% | 2822 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,801 psi | 72% | 2838 fps | 99.9% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,982 psi | 54% | 2651 fps | 96.1% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,627 psi | 70% | 2874 fps | 95.3% |
| Rottweil R 904 | <<locked>> | 80% | 39,523 psi | 65% | 2651 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 80% | 37,405 psi | 61% | 2651 fps | 96.1% |
| Rottweil R 907 | <<locked>> | 80% | 48,414 psi | 79% | 2805 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,384 psi | 78% | 2779 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 45,658 psi | 75% | 2769 fps | 99.3% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,296 psi | 76% | 2723 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 37,072 psi | 61% | 2648 fps | 96% |
| Somchem S361 | <<locked>> | 82% | 42,931 psi | 70% | 2697 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 41,858 psi | 69% | 2743 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,058 psi | 62% | 2635 fps | 97.2% |
| Vihtavuori N150 | <<locked>> | 80% | 50,212 psi | 82% | 2779 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,340 psi | 76% | 2782 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 32,982 psi | 54% | 2510 fps | 95% |
| Vihtavuori N550 | <<locked>> | 80% | 45,571 psi | 75% | 2785 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,680 psi | 60% | 2648 fps | 99.6% |
| Vihtavuori N560 | <<locked>> | 84% | 40,988 psi | 67% | 2789 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 90% | 41,104 psi | 67% | 2779 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 96% | 43,918 psi | 72% | 2884 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,252 psi | 74% | 2740 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,456 psi | 78% | 2854 fps | 99.5% |
| Winchester StaBALL HD | <<locked>> | 80% | 29,095 psi | 48% | 2592 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 82% | 37,115 psi | 61% | 2615 fps | 95.9% |
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 72 powders for .300 Lapua Mag. loaded with the .311 | 182gr | Prvi Partizan FMJ BT. Hodgdon Retumbo delivers the highest muzzle velocity at 3,133 fps; across all powders the maximum-charge window runs from 1,854 fps to 3,133 fps. ADI AR 2217 gives the best case fill at 100 %, and 72 of the 72 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 182.0 gr projectile in 0.311" calls for a 1:12.5 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. Accurate High Country, Ramshot Grand, Alliant Reloder-26 rank at the top here: for .300 Lapua Mag. with the .311 | 182gr | Prvi Partizan FMJ BT 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.