Load Specifications
Load data in caliber .300 Blaser Mag. with .311 | 180gr | Lehigh Defense Match Solid bullet and 89 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Norma MRP and ReloadSwiss RS 70.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 53,824 psi | 88% | 2762 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 52,054 psi | 85% | 2785 fps | 98.7% |
| Accurate 3100ᴾ | <<locked>> | 100% | 53,214 psi | 87% | 2884 fps | 99.8% |
| Accurate 4064 | <<locked>> | 84% | 54,288 psi | 89% | 2818 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 51,750 psi | 85% | 2881 fps | 100% |
| Accurate MAGPRO | <<locked>> | 98% | 51,619 psi | 85% | 2969 fps | 96.1% |
| ADI AR 2208 | <<locked>> | 86% | 55,027 psi | 90% | 2861 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 53,142 psi | 87% | 2930 fps | 98.4% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 54,418 psi | 89% | 2982 fps | 97.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 54,215 psi | 89% | 2982 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 53,011 psi | 87% | 2923 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 52,315 psi | 86% | 2831 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 52,402 psi | 86% | 2851 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 52,953 psi | 87% | 2943 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 53,853 psi | 88% | 2963 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 52,301 psi | 86% | 2913 fps | 98.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 53,171 psi | 87% | 2976 fps | 98.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,096 psi | 82% | 2904 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,526 psi | 71% | 2831 fps | 99.4% |
| Alliant Reloder-26 | <<locked>> | 98% | 53,751 psi | 88% | 3045 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 48,617 psi | 80% | 2897 fps | 97.7% |
| Bofors RP3 | <<locked>> | 84% | 52,692 psi | 87% | 2844 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 53,171 psi | 87% | 2976 fps | 98.6% |
| Bofors RP7 | <<locked>> | 88% | 52,475 psi | 86% | 2831 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 84% | 53,258 psi | 87% | 2861 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 54,215 psi | 89% | 2936 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 88% | 54,041 psi | 89% | 2897 fps | 98.7% |
| Hodgdon H4831 | <<locked>> | 98% | 54,563 psi | 90% | 2923 fps | 96.9% |
| Hodgdon H4831 SC | <<locked>> | 98% | 53,301 psi | 88% | 2904 fps | 96.7% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 52,982 psi | 87% | 2861 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 54,679 psi | 90% | 2897 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 42,612 psi | 70% | 2861 fps | 97% |
| Hodgdon Superformance | <<locked>> | 90% | 54,317 psi | 89% | 2972 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,230 psi | 59% | 1785 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 54,491 psi | 89% | 2841 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 53,592 psi | 88% | 2825 fps | 99.4% |
| IMR 4350 | <<locked>> | 92% | 53,621 psi | 88% | 2871 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 88% | 54,186 psi | 89% | 2861 fps | 99.4% |
| IMR 4831 | <<locked>> | 92% | 52,402 psi | 86% | 2874 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 53,780 psi | 88% | 2877 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 52,736 psi | 87% | 2858 fps | 96.7% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 51,692 psi | 85% | 2949 fps | 97.1% |
| Lovex S062 | <<locked>> | 84% | 54,476 psi | 89% | 2831 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 54,070 psi | 89% | 2858 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 51,895 psi | 85% | 2844 fps | 99.4% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,947 psi | 72% | 2733 fps | 98.8% |
| Norma 203B | <<locked>> | 82% | 51,721 psi | 85% | 2838 fps | 100% |
| Norma 204 | <<locked>> | 92% | 54,157 psi | 89% | 2920 fps | 98.4% |
| Norma MRP | <<locked>> | 98% | 52,547 psi | 86% | 2999 fps | 99.5% |
| Norma URP | <<locked>> | 92% | 54,288 psi | 89% | 2920 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 52,359 psi | 86% | 2864 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 51,924 psi | 85% | 2963 fps | 97.5% |
| Ramshot Hunter | <<locked>> | 92% | 53,040 psi | 87% | 2923 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,122 psi | 76% | 2835 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,927 psi | 61% | 1827 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 53,229 psi | 87% | 2848 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 53,461 psi | 88% | 2953 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 51,648 psi | 85% | 2904 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 53,983 psi | 89% | 2992 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 42,337 psi | 70% | 2854 fps | 98% |
| Rottweil R 902 | <<locked>> | 82% | 53,113 psi | 87% | 2795 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 53,055 psi | 87% | 2841 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 54,882 psi | 90% | 2900 fps | 97.7% |
| Rottweil R 905 | <<locked>> | 96% | 51,488 psi | 85% | 2900 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 88% | 52,475 psi | 86% | 2831 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 54,070 psi | 89% | 2858 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 54,476 psi | 89% | 2831 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 51,895 psi | 85% | 2844 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 54,723 psi | 90% | 2904 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 54,186 psi | 89% | 2726 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 53,780 psi | 88% | 2808 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 54,723 psi | 90% | 2953 fps | 98.8% |
| Somchem S355 | <<locked>> | 86% | 53,113 psi | 87% | 2841 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 52,939 psi | 87% | 2835 fps | 96.5% |
| Somchem S365 | <<locked>> | 94% | 53,490 psi | 88% | 2920 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 52,098 psi | 86% | 2874 fps | 98.9% |
| Vihtavuori N135 | <<locked>> | 82% | 53,534 psi | 88% | 2753 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 53,824 psi | 88% | 2772 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 54,346 psi | 89% | 2812 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 52,953 psi | 87% | 2864 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 51,517 psi | 85% | 2851 fps | 98.6% |
| Vihtavuori N540 | <<locked>> | 82% | 51,851 psi | 85% | 2766 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 51,982 psi | 85% | 2867 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 52,373 psi | 86% | 2927 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 52,997 psi | 87% | 2989 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 52,504 psi | 86% | 2831 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 54,215 psi | 89% | 2936 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,223 psi | 74% | 2966 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 52,098 psi | 86% | 2867 fps | 98.2% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 50,444 psi | 83% | 2713 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 48,733 psi | 80% | 2733 fps | 98.2% |
| Accurate 3100 | <<locked>> | 86% | 32,503 psi | 53% | 2490 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 47,848 psi | 79% | 2723 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,419 psi | 60% | 2595 fps | 98.5% |
| Accurate MAGPRO | <<locked>> | 96% | 48,095 psi | 79% | 2907 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 80% | 45,527 psi | 75% | 2707 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 40,785 psi | 67% | 2697 fps | 95.4% |
| ADI AR 2213 | <<locked>> | 96% | 47,355 psi | 78% | 2858 fps | 95.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 50,546 psi | 83% | 2923 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 40,770 psi | 67% | 2694 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,963 psi | 75% | 2730 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 49,255 psi | 81% | 2802 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,679 psi | 59% | 2608 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,509 psi | 67% | 2733 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 40,335 psi | 66% | 2687 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 92% | 40,524 psi | 67% | 2740 fps | 95.7% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,904 psi | 43% | 2356 fps | 96.4% |
| Alliant Reloder-25 | <<locked>> | 90% | 31,444 psi | 52% | 2536 fps | 95.7% |
| Alliant Reloder-26 | 64.4 gr | 82% | 29,573 psi | 49% | 2526 fps | 95.8% |
| Bofors RP15 | <<locked>> | 94% | 39,784 psi | 65% | 2720 fps | 95.3% |
| Bofors RP3 | <<locked>> | 80% | 46,166 psi | 76% | 2740 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 40,524 psi | 67% | 2740 fps | 95.7% |
| Bofors RP7 | <<locked>> | 80% | 40,698 psi | 67% | 2615 fps | 96.6% |
| Hodgdon H380 | <<locked>> | 80% | 46,557 psi | 76% | 2753 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 80% | 38,595 psi | 63% | 2644 fps | 96.7% |
| Hodgdon H4350 | <<locked>> | 80% | 41,611 psi | 68% | 2667 fps | 96.2% |
| Hodgdon H4831 | <<locked>> | 94% | 47,514 psi | 78% | 2805 fps | 95.3% |
| Hodgdon H4831 SC | <<locked>> | 94% | 46,427 psi | 76% | 2785 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,127 psi | 54% | 2500 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 51,155 psi | 84% | 2848 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 39,842 psi | 65% | 2795 fps | 95.9% |
| Hodgdon Superformance | <<locked>> | 80% | 37,507 psi | 62% | 2654 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 44% | 1594 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,892 psi | 79% | 2736 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 50,198 psi | 82% | 2769 fps | 99% |
| IMR 4350 | <<locked>> | 80% | 36,361 psi | 60% | 2539 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,279 psi | 69% | 2648 fps | 97.5% |
| IMR 4831 | <<locked>> | 80% | 35,128 psi | 58% | 2549 fps | 98.3% |
| IMR 4895 | <<locked>> | 80% | 50,560 psi | 83% | 2828 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 46,441 psi | 76% | 2746 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 96% | 44,991 psi | 74% | 2822 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 48,138 psi | 79% | 2736 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,566 psi | 65% | 2595 fps | 98.1% |
| Lovex S070 | <<locked>> | 80% | 37,739 psi | 62% | 2572 fps | 96.6% |
| Lovex S071 | <<locked>> | 90% | 31,589 psi | 52% | 2464 fps | 95.3% |
| Norma 203B | <<locked>> | 80% | 48,602 psi | 80% | 2785 fps | 100% |
| Norma 204 | <<locked>> | 84% | 41,162 psi | 68% | 2684 fps | 95.5% |
| Norma MRP | 65.6 gr | 86% | 34,519 psi | 57% | 2625 fps | 95% |
| Norma URP | <<locked>> | 80% | 36,347 psi | 60% | 2592 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 80% | 48,979 psi | 80% | 2808 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 44,962 psi | 74% | 2835 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 35,346 psi | 58% | 2579 fps | 96.6% |
| Ramshot Magnum | <<locked>> | 94% | 37,028 psi | 61% | 2644 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,557 psi | 45% | 1634 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,688 psi | 77% | 2736 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 43,120 psi | 71% | 2785 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,129 psi | 59% | 2612 fps | 98.2% |
| ReloadSwiss RS 70 | 62.3 gr | 80% | 35,360 psi | 58% | 2621 fps | 97.7% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 36,767 psi | 60% | 2717 fps | 95.9% |
| Rottweil R 902 | <<locked>> | 80% | 49,922 psi | 82% | 2746 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,337 psi | 71% | 2684 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 45,034 psi | 74% | 2730 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 88% | 39,233 psi | 64% | 2667 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 40,698 psi | 67% | 2615 fps | 96.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,566 psi | 65% | 2595 fps | 98.1% |
| Shooters World Precision | <<locked>> | 80% | 48,138 psi | 79% | 2736 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 37,739 psi | 62% | 2572 fps | 96.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,788 psi | 74% | 2743 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,991 psi | 74% | 2592 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,711 psi | 64% | 2536 fps | 96.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 38,870 psi | 64% | 2661 fps | 95.2% |
| Somchem S355 | <<locked>> | 80% | 43,830 psi | 72% | 2687 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 49,385 psi | 81% | 2779 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 32,735 psi | 54% | 2546 fps | 99.8% |
| Somchem S385 | <<locked>> | 86% | 37,260 psi | 61% | 2595 fps | 95.6% |
| Vihtavuori N135 | <<locked>> | 80% | 50,183 psi | 82% | 2707 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,357 psi | 83% | 2720 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,785 psi | 69% | 2615 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 37,898 psi | 62% | 2592 fps | 98.7% |
| Vihtavuori N165 | <<locked>> | 90% | 36,782 psi | 60% | 2572 fps | 95% |
| Vihtavuori N540 | <<locked>> | 80% | 48,588 psi | 80% | 2717 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 37,188 psi | 61% | 2592 fps | 98.4% |
| Vihtavuori N555 | <<locked>> | 80% | 28,398 psi | 47% | 2431 fps | 96.5% |
| Vihtavuori N560 | <<locked>> | 94% | 46,224 psi | 76% | 2864 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 37,014 psi | 61% | 2562 fps | 99.8% |
| Winchester 760 | <<locked>> | 80% | 38,595 psi | 63% | 2644 fps | 96.7% |
| Winchester StaBALL HD | <<locked>> | 82% | 24,337 psi | 40% | 2382 fps | 96.1% |
| Winchester Supreme 780 | <<locked>> | 90% | 39,378 psi | 65% | 2635 fps | 95.1% |
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 89 powders for .300 Blaser Mag. loaded with the .311 | 180gr | Lehigh Defense Match Solid. Alliant Reloder-26 delivers the highest muzzle velocity at 3,045 fps; across all powders the maximum-charge window runs from 1,785 fps to 3,045 fps. Accurate 3100 gives the best case fill at 100 %, and 89 of the 89 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (420 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.311" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, Alliant Reloder-22 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. Alliant Reloder-26, Norma MRP, ReloadSwiss RS 70 rank at the top here: for .300 Blaser Mag. with the .311 | 180gr | Lehigh Defense Match Solid 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.