
Load Specifications
Load data in caliber .300 H&H Mag. with .308 | 197gr | Peregrine VLR5 (VLR-5) bullet and 202 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-16 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.
A valid access license is required to use the Personalized Load Calculator.
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 2495 | <<locked>> | 84% | 55,448 psi | 89% | 2575 fps | 100% |
| Accurate 2495 | <<locked>> | 82% | 53,679 psi | 86% | 2562 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 53,722 psi | 86% | 2602 fps | 98.7% |
| Accurate 2700 | <<locked>> | 84% | 55,477 psi | 89% | 2638 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,517 psi | 81% | 2638 fps | 99.5% |
| Accurate 3100ᴾ | <<locked>> | 100% | 52,431 psi | 84% | 2674 fps | 99.7% |
| Accurate 4064 | <<locked>> | 86% | 55,956 psi | 90% | 2631 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 54,143 psi | 87% | 2615 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,011 psi | 85% | 2687 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 54,998 psi | 88% | 2723 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 55,535 psi | 89% | 2828 fps | 97.8% |
| Accurate High Country | <<locked>> | 98% | 53,737 psi | 86% | 2808 fps | 97.7% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 52,663 psi | 84% | 2769 fps | 95.9% |
| Accurate MAGPROᴾ | <<locked>> | 100% | 54,955 psi | 88% | 2815 fps | 96.6% |
| ADI AR 2206H | <<locked>> | 82% | 55,492 psi | 89% | 2661 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 53,200 psi | 85% | 2618 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 54,868 psi | 88% | 2654 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 54,259 psi | 87% | 2730 fps | 98.3% |
| ADI AR 2209 | <<locked>> | 98% | 56,086 psi | 90% | 2766 fps | 98.7% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,025 psi | 83% | 2720 fps | 96.6% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 53,853 psi | 86% | 2762 fps | 97.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 55,840 psi | 90% | 2785 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 53,751 psi | 86% | 2762 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 54,360 psi | 87% | 2726 fps | 98.3% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 56,246 psi | 90% | 2766 fps | 98.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,853 psi | 86% | 2641 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 55,361 psi | 89% | 2671 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,114 psi | 87% | 2661 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 55,637 psi | 89% | 2690 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,172 psi | 87% | 2740 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,072 psi | 90% | 2776 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,216 psi | 89% | 2762 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 53,548 psi | 86% | 2749 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,592 psi | 86% | 2717 fps | 98.2% |
| Alliant Reloder-19 | <<locked>> | 98% | 55,448 psi | 89% | 2756 fps | 98.7% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,517 psi | 81% | 2717 fps | 97.9% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 52,591 psi | 84% | 2759 fps | 98.4% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,703 psi | 76% | 2657 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 49,588 psi | 80% | 2694 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,423 psi | 66% | 2582 fps | 98.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,105 psi | 69% | 2625 fps | 99.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,418 psi | 87% | 2838 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 98% | 52,852 psi | 85% | 2822 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,332 psi | 89% | 2680 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,325 psi | 74% | 2644 fps | 96.9% |
| Bofors RP15ᴾ | <<locked>> | 100% | 48,037 psi | 77% | 2684 fps | 97.5% |
| Bofors RP3 | <<locked>> | 86% | 54,375 psi | 87% | 2654 fps | 100% |
| Bofors RP3 | <<locked>> | 86% | 56,159 psi | 90% | 2687 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,517 psi | 81% | 2717 fps | 97.9% |
| Bofors RP5ᴾ | <<locked>> | 100% | 52,591 psi | 84% | 2759 fps | 98.4% |
| Bofors RP7 | <<locked>> | 90% | 54,027 psi | 87% | 2641 fps | 98.9% |
| Bofors RP7 | <<locked>> | 90% | 55,550 psi | 89% | 2677 fps | 99.2% |
| Hodgdon H380 | <<locked>> | 86% | 54,955 psi | 88% | 2671 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 52,895 psi | 85% | 2654 fps | 100% |
| Hodgdon H414 | <<locked>> | 92% | 55,419 psi | 89% | 2736 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 90% | 53,722 psi | 86% | 2723 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 90% | 55,550 psi | 89% | 2700 fps | 98.7% |
| Hodgdon H4350 | <<locked>> | 88% | 53,621 psi | 86% | 2684 fps | 98.6% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 55,767 psi | 89% | 2726 fps | 96.8% |
| Hodgdon H4831 | <<locked>> | 98% | 53,838 psi | 86% | 2710 fps | 96.6% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 54,621 psi | 88% | 2707 fps | 96.5% |
| Hodgdon H4831 SC | <<locked>> | 98% | 52,736 psi | 85% | 2690 fps | 96.4% |
| Hodgdon H4895 | <<locked>> | 82% | 56,101 psi | 90% | 2667 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,172 psi | 87% | 2667 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 56,057 psi | 90% | 2700 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 56,289 psi | 90% | 2703 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 54,288 psi | 87% | 2687 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 42,119 psi | 68% | 2651 fps | 96.6% |
| Hodgdon Superformance | <<locked>> | 92% | 55,825 psi | 90% | 2779 fps | 99.4% |
| Hodgdon Superformance | <<locked>> | 90% | 53,824 psi | 86% | 2759 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,201 psi | 58% | 1631 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,332 psi | 58% | 1644 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,693 psi | 86% | 2621 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,216 psi | 89% | 2651 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 56,043 psi | 90% | 2648 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 54,317 psi | 87% | 2635 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,376 psi | 89% | 2635 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 82% | 53,345 psi | 86% | 2618 fps | 99.3% |
| IMR 4350 | <<locked>> | 94% | 54,795 psi | 88% | 2671 fps | 99.1% |
| IMR 4350 | <<locked>> | 92% | 53,055 psi | 85% | 2657 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 90% | 55,912 psi | 90% | 2671 fps | 99.4% |
| IMR 4451 Enduron | <<locked>> | 88% | 54,012 psi | 87% | 2654 fps | 99.3% |
| IMR 4831 | <<locked>> | 94% | 53,621 psi | 86% | 2680 fps | 100% |
| IMR 4831 | <<locked>> | 94% | 55,477 psi | 89% | 2713 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,521 psi | 89% | 2687 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 53,621 psi | 86% | 2671 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 53,867 psi | 86% | 2661 fps | 96.6% |
| IMR 4955 Enduron | <<locked>> | 98% | 55,521 psi | 89% | 2697 fps | 97.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 49,211 psi | 79% | 2687 fps | 96.1% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 51,111 psi | 82% | 2733 fps | 96.8% |
| Lovex D073.6 | <<locked>> | 82% | 55,608 psi | 89% | 2631 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,389 psi | 87% | 2589 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 55,869 psi | 90% | 2618 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 56,231 psi | 90% | 2641 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 54,302 psi | 87% | 2628 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 55,637 psi | 89% | 2664 fps | 99.9% |
| Lovex S065 | <<locked>> | 90% | 53,780 psi | 86% | 2648 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 53,287 psi | 85% | 2654 fps | 99.3% |
| Lovex S070 | <<locked>> | 92% | 55,013 psi | 88% | 2687 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,684 psi | 67% | 2490 fps | 98.2% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,511 psi | 70% | 2533 fps | 98.7% |
| Norma 201 | <<locked>> | 82% | 53,983 psi | 87% | 2605 fps | 100% |
| Norma 201 | <<locked>> | 82% | 55,579 psi | 89% | 2635 fps | 100% |
| Norma 202 | <<locked>> | 82% | 54,781 psi | 88% | 2602 fps | 100% |
| Norma 202 | <<locked>> | 82% | 56,405 psi | 90% | 2631 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,374 psi | 86% | 2648 fps | 100% |
| Norma 203B | <<locked>> | 84% | 54,868 psi | 88% | 2677 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,709 psi | 89% | 2726 fps | 98.4% |
| Norma 204 | <<locked>> | 92% | 53,766 psi | 86% | 2710 fps | 98.2% |
| Norma MRPᴾ | <<locked>> | 100% | 53,577 psi | 86% | 2795 fps | 99.4% |
| Norma MRPᴾ | <<locked>> | 100% | 55,680 psi | 89% | 2838 fps | 99.7% |
| Norma URP | <<locked>> | 94% | 55,521 psi | 89% | 2723 fps | 100% |
| Norma URP | <<locked>> | 92% | 53,838 psi | 86% | 2707 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 53,925 psi | 86% | 2671 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 55,796 psi | 89% | 2707 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 49,342 psi | 79% | 2700 fps | 96.5% |
| Ramshot Grandᴾ | <<locked>> | 100% | 51,459 psi | 83% | 2749 fps | 97.3% |
| Ramshot Hunter | <<locked>> | 94% | 54,389 psi | 87% | 2726 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 94% | 56,318 psi | 90% | 2766 fps | 99.9% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 43,874 psi | 70% | 2585 fps | 97% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 45,498 psi | 73% | 2625 fps | 97.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,753 psi | 59% | 1667 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,883 psi | 59% | 1683 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 54,911 psi | 88% | 2657 fps | 99.6% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 53,084 psi | 85% | 2641 fps | 99.6% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 54,926 psi | 88% | 2723 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,955 psi | 88% | 2759 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 53,127 psi | 85% | 2740 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 52,750 psi | 85% | 2707 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 54,824 psi | 88% | 2743 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,201 psi | 89% | 2789 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 53,490 psi | 86% | 2772 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 40,205 psi | 64% | 2592 fps | 96.7% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 41,785 psi | 67% | 2641 fps | 97.6% |
| Rottweil R 902 | <<locked>> | 84% | 54,636 psi | 88% | 2605 fps | 100% |
| Rottweil R 902 | <<locked>> | 84% | 56,217 psi | 90% | 2635 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,244 psi | 87% | 2648 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 56,028 psi | 90% | 2680 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,217 psi | 90% | 2703 fps | 97.6% |
| Rottweil R 904 | <<locked>> | 96% | 54,215 psi | 87% | 2684 fps | 97.4% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 56,347 psi | 90% | 2756 fps | 98.8% |
| Rottweil R 905 | <<locked>> | 98% | 54,607 psi | 88% | 2743 fps | 98.7% |
| Rottweil R 907 | <<locked>> | 90% | 54,027 psi | 87% | 2641 fps | 98.9% |
| Rottweil R 907 | <<locked>> | 90% | 55,550 psi | 89% | 2677 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 55,637 psi | 89% | 2664 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 53,780 psi | 86% | 2648 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 82% | 55,608 psi | 89% | 2631 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 56,231 psi | 90% | 2641 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 54,302 psi | 87% | 2628 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,287 psi | 85% | 2654 fps | 99.3% |
| Shooters World SW4350 | <<locked>> | 92% | 55,013 psi | 88% | 2687 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,101 psi | 90% | 2707 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 54,244 psi | 87% | 2690 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 53,867 psi | 86% | 2635 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 55,506 psi | 89% | 2667 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,172 psi | 88% | 2539 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,043 psi | 90% | 2543 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 53,969 psi | 87% | 2526 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,434 psi | 89% | 2621 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 53,577 psi | 86% | 2605 fps | 99.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 55,840 psi | 90% | 2753 fps | 98.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 54,128 psi | 87% | 2740 fps | 98.6% |
| Somchem S335 | <<locked>> | 82% | 54,636 psi | 88% | 2536 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 56,115 psi | 90% | 2566 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 56,275 psi | 90% | 2654 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,404 psi | 87% | 2644 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 56,115 psi | 90% | 2677 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 54,099 psi | 87% | 2641 fps | 96.3% |
| Somchem S361 | <<locked>> | 96% | 55,927 psi | 90% | 2680 fps | 97% |
| Somchem S365 | <<locked>> | 96% | 54,447 psi | 87% | 2720 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 53,113 psi | 85% | 2710 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,287 psi | 85% | 2680 fps | 98.9% |
| Somchem S385 | <<locked>> | 98% | 55,114 psi | 88% | 2720 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 82% | 55,738 psi | 89% | 2523 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 54,998 psi | 88% | 2566 fps | 100% |
| Vihtavuori N135 | <<locked>> | 82% | 53,243 psi | 85% | 2552 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,477 psi | 89% | 2585 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 53,577 psi | 86% | 2569 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 55,782 psi | 89% | 2621 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 53,867 psi | 86% | 2605 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,273 psi | 87% | 2671 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 56,115 psi | 90% | 2703 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 49,110 psi | 79% | 2605 fps | 97.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 50,836 psi | 82% | 2641 fps | 98.4% |
| Vihtavuori N540 | <<locked>> | 84% | 53,606 psi | 86% | 2582 fps | 100% |
| Vihtavuori N540 | <<locked>> | 84% | 54,969 psi | 88% | 2608 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 53,287 psi | 85% | 2674 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 54,969 psi | 88% | 2707 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,185 psi | 85% | 2726 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 55,332 psi | 89% | 2762 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 54,099 psi | 87% | 2785 fps | 96.9% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 56,057 psi | 90% | 2828 fps | 97.5% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,780 psi | 86% | 2641 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 55,767 psi | 89% | 2674 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 55,709 psi | 89% | 2743 fps | 99.5% |
| Winchester 760 | <<locked>> | 90% | 53,969 psi | 87% | 2726 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,772 psi | 69% | 2703 fps | 100% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 44,512 psi | 71% | 2746 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 53,998 psi | 87% | 2641 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 55,405 psi | 89% | 2671 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,272 psi | 85% | 2674 fps | 98.1% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 55,564 psi | 89% | 2717 fps | 98.6% |
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 2495 | <<locked>> | 80% | 48,530 psi | 78% | 2484 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 50,285 psi | 81% | 2516 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,065 psi | 75% | 2497 fps | 97.6% |
| Accurate 2700 | <<locked>> | 80% | 48,573 psi | 78% | 2533 fps | 98.1% |
| Accurate 3100 | <<locked>> | 88% | 33,286 psi | 53% | 2320 fps | 95.7% |
| Accurate 3100 | <<locked>> | 86% | 32,213 psi | 52% | 2303 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 45,992 psi | 74% | 2490 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 47,659 psi | 76% | 2523 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 34,809 psi | 56% | 2365 fps | 97.9% |
| Accurate 4350 | <<locked>> | 80% | 36,056 psi | 58% | 2398 fps | 98.4% |
| Accurate High Country | <<locked>> | 94% | 44,788 psi | 72% | 2648 fps | 95.4% |
| Accurate High Country | <<locked>> | 92% | 43,439 psi | 70% | 2631 fps | 95.2% |
| Accurate MAGPRO | <<locked>> | 98% | 48,979 psi | 79% | 2707 fps | 95% |
| Accurate MAGPRO | <<locked>> | 98% | 50,937 psi | 82% | 2749 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 52,054 psi | 83% | 2612 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,077 psi | 71% | 2474 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 80% | 45,310 psi | 73% | 2503 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 90% | 41,655 psi | 67% | 2507 fps | 95.3% |
| ADI AR 2209 | <<locked>> | 88% | 40,480 psi | 65% | 2493 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 98% | 48,660 psi | 78% | 2664 fps | 95.8% |
| ADI AR 2213 | <<locked>> | 96% | 46,833 psi | 75% | 2644 fps | 95.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,588 psi | 78% | 2674 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 50,125 psi | 80% | 2707 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 41,872 psi | 67% | 2513 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 40,524 psi | 65% | 2497 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,367 psi | 71% | 2497 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,658 psi | 73% | 2526 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,572 psi | 76% | 2562 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,863 psi | 78% | 2592 fps | 100% |
| Alliant Reloder-16 | 52.2 gr | 80% | 34,418 psi | 55% | 2379 fps | 98.1% |
| Alliant Reloder-16 | 52.2 gr | 80% | 35,520 psi | 57% | 2411 fps | 98.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 38,827 psi | 62% | 2497 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 80% | 40,161 psi | 64% | 2530 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 41,350 psi | 66% | 2507 fps | 95.4% |
| Alliant Reloder-19 | <<locked>> | 88% | 40,059 psi | 64% | 2487 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 94% | 41,176 psi | 66% | 2549 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 92% | 39,987 psi | 64% | 2533 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 80% | 24,801 psi | 40% | 2142 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 80% | 25,802 psi | 41% | 2182 fps | 96.2% |
| Alliant Reloder-25 | <<locked>> | 92% | 32,010 psi | 51% | 2359 fps | 95.5% |
| Alliant Reloder-25 | <<locked>> | 90% | 31,198 psi | 50% | 2346 fps | 95.4% |
| Alliant Reloder-26 | 60.5 gr | 84% | 30,356 psi | 49% | 2359 fps | 95.8% |
| Alliant Reloder-26 | 59.1 gr | 82% | 29,356 psi | 47% | 2336 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,721 psi | 83% | 2628 fps | 100% |
| Bofors RP15 | <<locked>> | 96% | 40,611 psi | 65% | 2536 fps | 95.2% |
| Bofors RP15 | <<locked>> | 94% | 39,436 psi | 63% | 2520 fps | 95% |
| Bofors RP3 | <<locked>> | 80% | 44,309 psi | 71% | 2503 fps | 100% |
| Bofors RP3 | <<locked>> | 80% | 45,847 psi | 74% | 2536 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 41,176 psi | 66% | 2549 fps | 95.6% |
| Bofors RP5 | <<locked>> | 92% | 39,987 psi | 64% | 2533 fps | 95.4% |
| Bofors RP7 | <<locked>> | 80% | 39,320 psi | 63% | 2385 fps | 95.9% |
| Bofors RP7 | <<locked>> | 80% | 40,408 psi | 65% | 2418 fps | 96.5% |
| Hodgdon H380 | <<locked>> | 80% | 44,933 psi | 72% | 2516 fps | 99.4% |
| Hodgdon H380 | <<locked>> | 80% | 46,369 psi | 74% | 2549 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 80% | 36,970 psi | 59% | 2411 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 80% | 38,290 psi | 61% | 2448 fps | 96.5% |
| Hodgdon H4350 | <<locked>> | 80% | 40,074 psi | 64% | 2431 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 80% | 41,394 psi | 66% | 2470 fps | 96% |
| Hodgdon H4831 | <<locked>> | 96% | 48,747 psi | 78% | 2615 fps | 95.2% |
| Hodgdon H4831 | <<locked>> | 94% | 47,021 psi | 75% | 2595 fps | 95% |
| Hodgdon H4831 SC | <<locked>> | 98% | 51,068 psi | 82% | 2654 fps | 95.8% |
| Hodgdon H4831 SC | <<locked>> | 96% | 49,182 psi | 79% | 2635 fps | 95.6% |
| Hodgdon H4895 | <<locked>> | 80% | 52,663 psi | 84% | 2618 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,894 psi | 51% | 2280 fps | 98.6% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 33,054 psi | 53% | 2313 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,182 psi | 79% | 2605 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 50,720 psi | 81% | 2635 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 39,334 psi | 63% | 2585 fps | 95.5% |
| Hodgdon Superformance | <<locked>> | 82% | 38,740 psi | 62% | 2480 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 37,130 psi | 60% | 2454 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,948 psi | 43% | 1453 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,137 psi | 44% | 1470 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,343 psi | 81% | 2572 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 51,634 psi | 83% | 2602 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,369 psi | 74% | 2503 fps | 99.9% |
| IMR 4064 | <<locked>> | 80% | 47,659 psi | 76% | 2536 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,820 psi | 78% | 2536 fps | 98.6% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,937 psi | 80% | 2562 fps | 98.9% |
| IMR 4350 | <<locked>> | 82% | 37,507 psi | 60% | 2372 fps | 95.4% |
| IMR 4350 | <<locked>> | 80% | 36,187 psi | 58% | 2349 fps | 95.1% |
| IMR 4451 Enduron | <<locked>> | 80% | 40,799 psi | 65% | 2415 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,076 psi | 67% | 2451 fps | 97.4% |
| IMR 4831 | <<locked>> | 80% | 33,591 psi | 54% | 2323 fps | 97.6% |
| IMR 4831 | <<locked>> | 80% | 34,940 psi | 56% | 2359 fps | 98.1% |
| IMR 4895 | <<locked>> | 80% | 48,805 psi | 78% | 2585 fps | 100% |
| IMR 4895 | <<locked>> | 80% | 50,125 psi | 80% | 2618 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 47,442 psi | 76% | 2556 fps | 95.1% |
| IMR 4955 Enduron | <<locked>> | 94% | 49,110 psi | 79% | 2598 fps | 95.8% |
| IMR 7828 SSC | <<locked>> | 98% | 46,050 psi | 74% | 2631 fps | 95.2% |
| IMR 7828 SSC | <<locked>> | 96% | 44,643 psi | 72% | 2618 fps | 95.1% |
| Lovex D073.6 | <<locked>> | 80% | 52,127 psi | 84% | 2585 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,329 psi | 82% | 2543 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 52,576 psi | 84% | 2572 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 46,615 psi | 75% | 2503 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,935 psi | 77% | 2533 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,130 psi | 61% | 2365 fps | 97.5% |
| Lovex S065 | <<locked>> | 80% | 39,436 psi | 63% | 2402 fps | 98% |
| Lovex S070 | <<locked>> | 80% | 36,390 psi | 58% | 2349 fps | 95.9% |
| Lovex S070 | <<locked>> | 80% | 37,492 psi | 60% | 2379 fps | 96.4% |
| Lovex S071 | <<locked>> | 92% | 32,082 psi | 51% | 2293 fps | 95.2% |
| Lovex S071 | <<locked>> | 90% | 31,241 psi | 50% | 2277 fps | 95% |
| Norma 201 | <<locked>> | 80% | 50,604 psi | 81% | 2556 fps | 100% |
| Norma 201 | <<locked>> | 80% | 52,228 psi | 84% | 2589 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,358 psi | 82% | 2556 fps | 100% |
| Norma 202 | <<locked>> | 80% | 52,765 psi | 85% | 2582 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,905 psi | 75% | 2549 fps | 100% |
| Norma 203B | <<locked>> | 80% | 48,211 psi | 77% | 2579 fps | 100% |
| Norma 204 | <<locked>> | 86% | 42,308 psi | 68% | 2503 fps | 95.5% |
| Norma 204 | <<locked>> | 84% | 40,727 psi | 65% | 2484 fps | 95.2% |
| Norma MRP | <<locked>> | 88% | 35,317 psi | 57% | 2451 fps | 95% |
| Norma MRP | <<locked>> | 88% | 36,535 psi | 59% | 2487 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 34,925 psi | 56% | 2365 fps | 97.8% |
| Norma URP | <<locked>> | 80% | 36,100 psi | 58% | 2398 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 80% | 47,152 psi | 76% | 2572 fps | 100% |
| Ramshot Big Game | <<locked>> | 80% | 48,559 psi | 78% | 2602 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 46,006 psi | 74% | 2641 fps | 95.5% |
| Ramshot Grand | <<locked>> | 96% | 44,512 psi | 71% | 2625 fps | 95.4% |
| Ramshot Hunter | <<locked>> | 80% | 33,924 psi | 54% | 2352 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 35,099 psi | 56% | 2388 fps | 96.4% |
| Ramshot Magnum | <<locked>> | 98% | 40,698 psi | 65% | 2523 fps | 96% |
| Ramshot Magnum | <<locked>> | 96% | 39,305 psi | 63% | 2507 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,499 psi | 44% | 1493 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,499 psi | 44% | 1503 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,194 psi | 72% | 2503 fps | 98.5% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,528 psi | 75% | 2536 fps | 98.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,358 psi | 82% | 2671 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,350 psi | 66% | 2549 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,757 psi | 69% | 2579 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,664 psi | 56% | 2385 fps | 97.6% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,984 psi | 58% | 2418 fps | 98.1% |
| ReloadSwiss RS 70 | 57.1 gr | 80% | 33,982 psi | 54% | 2388 fps | 96.8% |
| ReloadSwiss RS 70 | 57.1 gr | 80% | 35,056 psi | 56% | 2425 fps | 97.5% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 37,449 psi | 60% | 2526 fps | 95.6% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 36,216 psi | 58% | 2510 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 48,240 psi | 77% | 2513 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 49,603 psi | 80% | 2543 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,756 psi | 67% | 2454 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,091 psi | 69% | 2484 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 46,224 psi | 74% | 2546 fps | 95.4% |
| Rottweil R 904 | <<locked>> | 90% | 44,846 psi | 72% | 2530 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 90% | 40,132 psi | 64% | 2484 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 88% | 38,914 psi | 62% | 2467 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 39,320 psi | 63% | 2385 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 80% | 40,408 psi | 65% | 2418 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,130 psi | 61% | 2365 fps | 97.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,436 psi | 63% | 2402 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,127 psi | 84% | 2585 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,615 psi | 75% | 2503 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,935 psi | 77% | 2533 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 36,390 psi | 58% | 2349 fps | 95.9% |
| Shooters World SW4350 | <<locked>> | 80% | 37,492 psi | 60% | 2379 fps | 96.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,105 psi | 69% | 2507 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,498 psi | 71% | 2539 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,560 psi | 81% | 2585 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,025 psi | 83% | 2618 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,677 psi | 83% | 2493 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,482 psi | 70% | 2372 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,773 psi | 72% | 2402 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,391 psi | 60% | 2316 fps | 96% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,421 psi | 62% | 2346 fps | 96.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 39,740 psi | 64% | 2480 fps | 95.1% |
| SNPE Vectan Tubal 8000 | <<locked>> | 90% | 41,394 psi | 66% | 2520 fps | 95.9% |
| Somchem S335 | <<locked>> | 80% | 51,300 psi | 82% | 2493 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 52,837 psi | 85% | 2523 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,576 psi | 84% | 2602 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 42,206 psi | 68% | 2454 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 43,671 psi | 70% | 2487 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 50,560 psi | 81% | 2589 fps | 95.6% |
| Somchem S361 | <<locked>> | 92% | 49,008 psi | 79% | 2575 fps | 95.5% |
| Somchem S365 | <<locked>> | 80% | 31,386 psi | 50% | 2323 fps | 99.5% |
| Somchem S365 | <<locked>> | 80% | 32,532 psi | 52% | 2356 fps | 99.7% |
| Somchem S385 | <<locked>> | 88% | 38,145 psi | 61% | 2418 fps | 95.6% |
| Somchem S385 | <<locked>> | 86% | 37,057 psi | 59% | 2402 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 80% | 52,257 psi | 84% | 2480 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,370 psi | 78% | 2477 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,908 psi | 80% | 2507 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,776 psi | 78% | 2493 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,082 psi | 80% | 2520 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,335 psi | 65% | 2392 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,524 psi | 67% | 2421 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,405 psi | 58% | 2365 fps | 98.2% |
| Vihtavuori N160 | <<locked>> | 80% | 37,579 psi | 60% | 2398 fps | 98.6% |
| Vihtavuori N165 | <<locked>> | 94% | 40,176 psi | 64% | 2451 fps | 95.7% |
| Vihtavuori N165 | <<locked>> | 92% | 39,001 psi | 63% | 2434 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 80% | 47,036 psi | 75% | 2490 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 48,385 psi | 78% | 2520 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,766 psi | 57% | 2365 fps | 97.8% |
| Vihtavuori N550 | <<locked>> | 80% | 36,999 psi | 59% | 2398 fps | 98.3% |
| Vihtavuori N555 | <<locked>> | 80% | 27,137 psi | 44% | 2215 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 80% | 28,253 psi | 45% | 2251 fps | 96.3% |
| Vihtavuori N560 | <<locked>> | 96% | 47,166 psi | 76% | 2671 fps | 95.2% |
| Vihtavuori N560 | <<locked>> | 96% | 48,834 psi | 78% | 2710 fps | 95.9% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,534 psi | 57% | 2339 fps | 99.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,767 psi | 59% | 2372 fps | 99.8% |
| Winchester 760 | <<locked>> | 80% | 37,159 psi | 60% | 2415 fps | 95.9% |
| Winchester 760 | <<locked>> | 80% | 38,479 psi | 62% | 2451 fps | 96.6% |
| Winchester StaBALL HD | <<locked>> | 84% | 24,801 psi | 40% | 2218 fps | 96% |
| Winchester StaBALL HD | <<locked>> | 82% | 24,163 psi | 39% | 2201 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,401 psi | 81% | 2592 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 80% | 51,837 psi | 83% | 2621 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 43,294 psi | 69% | 2513 fps | 95.9% |
| Winchester Supreme 780 | <<locked>> | 92% | 41,872 psi | 67% | 2497 fps | 95.7% |
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 202 powders for .300 H&H Mag. loaded with the .308 | 197gr | Peregrine VLR5 (VLR-5). Alliant Reloder-26 delivers the highest muzzle velocity at 2,838 fps; across all powders the maximum-charge window runs from 1,631 fps to 2,838 fps. Accurate 3100 gives the best case fill at 100 %, and 202 of the 202 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 197.0 gr projectile in 0.308" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 3100, Accurate High Country 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. ReloadSwiss RS 70, Alliant Reloder-16, Alliant Reloder-26 rank at the top here: for .300 H&H Mag. with the .308 | 197gr | Peregrine VLR5 (VLR-5) 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.