Load Specifications
Load data in caliber .300 Norma Mag. with .308 | 205gr | Berger Elite Hunter bullet and 73 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 Vihtavuori N560.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 92% | 57,290 psi | 90% | 2782 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 54,650 psi | 86% | 2753 fps | 100% |
| Accurate High Country | <<locked>> | 88% | 55,201 psi | 87% | 2877 fps | 99.5% |
| Accurate MAGPRO | <<locked>> | 90% | 55,999 psi | 88% | 2881 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 88% | 55,419 psi | 87% | 2815 fps | 99.8% |
| ADI AR 2213 | <<locked>> | 92% | 57,014 psi | 89% | 2881 fps | 99.6% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 54,940 psi | 86% | 2851 fps | 99.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 49,371 psi | 77% | 2812 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 55,608 psi | 87% | 2812 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 84% | 55,593 psi | 87% | 2805 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 54,969 psi | 86% | 2805 fps | 99.8% |
| Alliant Reloder-22 | <<locked>> | 92% | 57,246 psi | 90% | 2874 fps | 100% |
| Alliant Reloder-23 | <<locked>> | 92% | 55,114 psi | 86% | 2785 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 96% | 54,534 psi | 85% | 2851 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 88% | 55,521 psi | 87% | 2874 fps | 100% |
| Alliant Reloder-33ᴾ | <<locked>> | 100% | 51,735 psi | 81% | 2867 fps | 96.5% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 54,491 psi | 85% | 2785 fps | 97.2% |
| Bofors RP15 | <<locked>> | 94% | 56,405 psi | 88% | 2861 fps | 99.9% |
| Bofors RP30 | <<locked>> | 98% | 54,346 psi | 85% | 2861 fps | 99.6% |
| Bofors RP5 | <<locked>> | 92% | 57,246 psi | 90% | 2874 fps | 100% |
| Bofors RP7 | <<locked>> | 82% | 56,318 psi | 88% | 2753 fps | 100% |
| Hodgdon H1000 | <<locked>> | 98% | 56,710 psi | 89% | 2874 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 82% | 55,927 psi | 88% | 2802 fps | 100% |
| Hodgdon H4831 | <<locked>> | 90% | 56,695 psi | 89% | 2818 fps | 99.2% |
| Hodgdon H4831 SC | <<locked>> | 90% | 55,637 psi | 87% | 2802 fps | 99% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 55,796 psi | 87% | 2730 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 57,334 psi | 90% | 2986 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 56,565 psi | 89% | 2841 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,507 psi | 59% | 1745 fps | 100% |
| IMR 4350 | <<locked>> | 84% | 54,578 psi | 86% | 2740 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 82% | 57,493 psi | 90% | 2769 fps | 100% |
| IMR 4831 | <<locked>> | 84% | 54,853 psi | 86% | 2743 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 90% | 57,334 psi | 90% | 2795 fps | 99.3% |
| IMR 7828 SSC | <<locked>> | 92% | 55,158 psi | 86% | 2861 fps | 99.5% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 45,020 psi | 71% | 2723 fps | 98.2% |
| Lovex S065 | <<locked>> | 82% | 54,926 psi | 86% | 2717 fps | 100% |
| Lovex S070 | <<locked>> | 84% | 56,753 psi | 89% | 2769 fps | 100% |
| Lovex S071 | <<locked>> | 96% | 55,143 psi | 86% | 2753 fps | 100% |
| Norma 204 | <<locked>> | 84% | 55,637 psi | 87% | 2795 fps | 99.8% |
| Norma 217ᴾ | <<locked>> | 100% | 45,368 psi | 71% | 2749 fps | 99.7% |
| Norma MRP | <<locked>> | 90% | 57,319 psi | 90% | 2894 fps | 100% |
| Norma URP | <<locked>> | 84% | 56,449 psi | 88% | 2782 fps | 100% |
| Ramshot Grand | <<locked>> | 92% | 56,028 psi | 88% | 2884 fps | 99.7% |
| Ramshot Hunter | <<locked>> | 84% | 55,419 psi | 87% | 2795 fps | 100% |
| Ramshot Magnum | <<locked>> | 94% | 54,375 psi | 85% | 2815 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,305 psi | 60% | 1785 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 54,665 psi | 86% | 2776 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 84% | 56,971 psi | 89% | 2858 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 53,940 psi | 85% | 2920 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 57,421 psi | 90% | 2946 fps | 99.2% |
| Rottweil R 904 | <<locked>> | 88% | 56,260 psi | 88% | 2785 fps | 99.5% |
| Rottweil R 905 | <<locked>> | 88% | 54,549 psi | 85% | 2792 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 82% | 56,318 psi | 88% | 2753 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 82% | 54,926 psi | 86% | 2717 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 56,753 psi | 89% | 2769 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 57,609 psi | 90% | 2726 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 54,172 psi | 85% | 2792 fps | 99.8% |
| Somchem S361 | <<locked>> | 88% | 57,609 psi | 90% | 2779 fps | 99.2% |
| Somchem S365 | <<locked>> | 86% | 57,421 psi | 90% | 2785 fps | 100% |
| Somchem S385 | <<locked>> | 88% | 54,969 psi | 86% | 2766 fps | 100% |
| Vihtavuori N160 | <<locked>> | 82% | 54,592 psi | 86% | 2726 fps | 100% |
| Vihtavuori N165 | <<locked>> | 92% | 54,563 psi | 86% | 2753 fps | 99.9% |
| Vihtavuori N170 | <<locked>> | 98% | 56,956 psi | 89% | 2815 fps | 95.9% |
| Vihtavuori N550 | <<locked>> | 84% | 57,319 psi | 90% | 2782 fps | 100% |
| Vihtavuori N555 | <<locked>> | 90% | 57,319 psi | 90% | 2815 fps | 100% |
| Vihtavuori N560 | <<locked>> | 90% | 56,956 psi | 89% | 2894 fps | 99.4% |
| Vihtavuori N565 | <<locked>> | 96% | 57,232 psi | 90% | 2881 fps | 99.5% |
| Vihtavuori N568 | <<locked>> | 98% | 54,186 psi | 85% | 2884 fps | 98.4% |
| Vihtavuori N570ᴾ | <<locked>> | 100% | 54,911 psi | 86% | 2936 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 57,493 psi | 90% | 2730 fps | 100% |
| Winchester 760 | <<locked>> | 82% | 56,144 psi | 88% | 2805 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 94% | 57,740 psi | 90% | 2923 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 90% | 54,752 psi | 86% | 2766 fps | 99.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 80% | 38,537 psi | 60% | 2470 fps | 99.2% |
| Accurate 4350 | <<locked>> | 80% | 51,155 psi | 80% | 2700 fps | 100% |
| Accurate High Country | <<locked>> | 80% | 41,872 psi | 66% | 2635 fps | 97.1% |
| Accurate MAGPRO | <<locked>> | 82% | 42,424 psi | 66% | 2638 fps | 96% |
| ADI AR 2209 | <<locked>> | 80% | 42,453 psi | 67% | 2589 fps | 98.2% |
| ADI AR 2213 | <<locked>> | 80% | 37,913 psi | 59% | 2523 fps | 95.6% |
| ADI AR 2217 | <<locked>> | 88% | 36,724 psi | 58% | 2497 fps | 95.5% |
| ADI AR 2225 | <<locked>> | 84% | 29,269 psi | 46% | 2346 fps | 95.3% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 42,917 psi | 67% | 2592 fps | 98.3% |
| Alliant Reloder-16 | <<locked>> | 80% | 48,733 psi | 76% | 2700 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 42,525 psi | 67% | 2585 fps | 98.2% |
| Alliant Reloder-22 | <<locked>> | 80% | 38,348 psi | 60% | 2533 fps | 97.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 37,057 psi | 58% | 2487 fps | 100% |
| Alliant Reloder-25 | <<locked>> | 80% | 32,097 psi | 50% | 2415 fps | 98.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 41,104 psi | 64% | 2635 fps | 100% |
| Alliant Reloder-33 | <<locked>> | 98% | 47,979 psi | 75% | 2799 fps | 95.5% |
| Baschieri & Pellagri 109 | <<locked>> | 88% | 48,124 psi | 75% | 2674 fps | 95.7% |
| Bofors RP15 | <<locked>> | 80% | 35,737 psi | 56% | 2470 fps | 96.2% |
| Bofors RP30 | <<locked>> | 86% | 36,187 psi | 57% | 2513 fps | 95.7% |
| Bofors RP5 | <<locked>> | 80% | 38,348 psi | 60% | 2533 fps | 97.3% |
| Bofors RP7 | <<locked>> | 80% | 52,881 psi | 83% | 2700 fps | 99.9% |
| Hodgdon H1000 | <<locked>> | 84% | 35,041 psi | 55% | 2461 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 80% | 52,518 psi | 82% | 2749 fps | 100% |
| Hodgdon H4831 | <<locked>> | 80% | 40,495 psi | 63% | 2530 fps | 95.9% |
| Hodgdon H4831 SC | <<locked>> | 80% | 39,711 psi | 62% | 2513 fps | 95.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 46,021 psi | 72% | 2585 fps | 100% |
| Hodgdon Retumbo | 71.4 gr | 82% | 33,518 psi | 53% | 2500 fps | 96.2% |
| Hodgdon Superformance | <<locked>> | 80% | 52,620 psi | 82% | 2782 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,036 psi | 44% | 1558 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 48,240 psi | 76% | 2638 fps | 99.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 54,070 psi | 85% | 2717 fps | 100% |
| IMR 4831 | <<locked>> | 80% | 48,298 psi | 76% | 2641 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 80% | 41,945 psi | 66% | 2526 fps | 96.5% |
| IMR 7828 SSC | <<locked>> | 80% | 36,680 psi | 57% | 2507 fps | 95.2% |
| IMR 8133 Enduron | <<locked>> | 94% | 36,825 psi | 58% | 2549 fps | 95.7% |
| Lovex S065 | <<locked>> | 80% | 51,663 psi | 81% | 2667 fps | 100% |
| Lovex S070 | <<locked>> | 80% | 50,154 psi | 79% | 2664 fps | 100% |
| Lovex S071 | <<locked>> | 80% | 33,228 psi | 52% | 2349 fps | 98% |
| Norma 204 | <<locked>> | 80% | 48,559 psi | 76% | 2680 fps | 99.1% |
| Norma 217 | <<locked>> | 88% | 30,255 psi | 47% | 2398 fps | 95.2% |
| Norma MRP | <<locked>> | 80% | 40,437 psi | 63% | 2602 fps | 98.9% |
| Norma URP | <<locked>> | 80% | 49,719 psi | 78% | 2684 fps | 100% |
| Ramshot Grand | <<locked>> | 80% | 36,303 psi | 57% | 2513 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 80% | 48,530 psi | 76% | 2687 fps | 100% |
| Ramshot Magnum | <<locked>> | 80% | 32,401 psi | 51% | 2395 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,805 psi | 45% | 1598 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 51,111 psi | 80% | 2723 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 49,327 psi | 77% | 2743 fps | 100% |
| ReloadSwiss RS 76 | 74.5 gr | 80% | 30,269 psi | 47% | 2405 fps | 95.7% |
| ReloadSwiss RS 80 | <<locked>> | 90% | 39,320 psi | 62% | 2618 fps | 95.1% |
| Rottweil R 904 | <<locked>> | 80% | 43,642 psi | 68% | 2569 fps | 97.5% |
| Rottweil R 905 | <<locked>> | 80% | 41,887 psi | 66% | 2572 fps | 98.2% |
| Rottweil R 907 | <<locked>> | 80% | 52,881 psi | 83% | 2700 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 51,663 psi | 81% | 2667 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 50,154 psi | 79% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 50,633 psi | 79% | 2625 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 41,539 psi | 65% | 2566 fps | 98.1% |
| Somchem S361 | <<locked>> | 80% | 44,367 psi | 70% | 2559 fps | 97% |
| Somchem S365 | <<locked>> | 80% | 47,166 psi | 74% | 2638 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 42,395 psi | 66% | 2552 fps | 98.9% |
| Vihtavuori N160 | <<locked>> | 80% | 51,227 psi | 80% | 2677 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 36,956 psi | 58% | 2434 fps | 97.4% |
| Vihtavuori N170 | <<locked>> | 96% | 53,272 psi | 83% | 2756 fps | 95% |
| Vihtavuori N550 | <<locked>> | 80% | 50,488 psi | 79% | 2680 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 41,495 psi | 65% | 2562 fps | 100% |
| Vihtavuori N560 | 72.3 gr | 80% | 40,408 psi | 63% | 2592 fps | 96% |
| Vihtavuori N565 | <<locked>> | 84% | 38,145 psi | 60% | 2530 fps | 95.5% |
| Vihtavuori N568 | <<locked>> | 90% | 40,756 psi | 64% | 2635 fps | 95% |
| Vihtavuori N570 | <<locked>> | 96% | 47,659 psi | 75% | 2808 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 50,198 psi | 79% | 2631 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 52,518 psi | 82% | 2749 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 80% | 33,866 psi | 53% | 2530 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 38,798 psi | 61% | 2480 fps | 97.3% |
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 73 powders for .300 Norma Mag. loaded with the .308 | 205gr | Berger Elite Hunter. Hodgdon Retumbo delivers the highest muzzle velocity at 2,986 fps; across all powders the maximum-charge window runs from 1,745 fps to 2,986 fps. ADI AR 2217 gives the best case fill at 100 %, and 73 of the 73 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. The 205.0 gr projectile in 0.308" calls for a 1:11.0 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, Vihtavuori N560 rank at the top here: for .300 Norma Mag. with the .308 | 205gr | Berger Elite Hunter 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.