
Load Specifications
Load data in caliber .300 H&H Mag. with .308 | 183gr | Peregrine Plainsmaster (VLR-4) bullet and 204 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.
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% | 53,127 psi | 85% | 2651 fps | 100% |
| Accurate 2495 | <<locked>> | 84% | 53,940 psi | 86% | 2664 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 55,419 psi | 89% | 2720 fps | 98.4% |
| Accurate 2700 | <<locked>> | 86% | 56,260 psi | 90% | 2740 fps | 98.6% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,921 psi | 77% | 2690 fps | 98.7% |
| Accurate 3100ᴾ | <<locked>> | 100% | 48,675 psi | 78% | 2707 fps | 98.9% |
| Accurate 4064 | <<locked>> | 86% | 53,548 psi | 86% | 2703 fps | 100% |
| Accurate 4064 | <<locked>> | 86% | 54,288 psi | 87% | 2717 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 53,940 psi | 86% | 2799 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 54,897 psi | 88% | 2818 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 52,417 psi | 84% | 2877 fps | 96.5% |
| Accurate High Countryᴾ | <<locked>> | 100% | 53,737 psi | 86% | 2904 fps | 96.9% |
| ADI AR 2206H | <<locked>> | 82% | 53,403 psi | 86% | 2733 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 54,128 psi | 87% | 2749 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 54,491 psi | 87% | 2736 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 55,405 psi | 89% | 2756 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 55,506 psi | 89% | 2841 fps | 97.8% |
| ADI AR 2209 | <<locked>> | 98% | 52,736 psi | 85% | 2805 fps | 97.4% |
| ADI Benchmark 8208 | <<locked>> | 82% | 55,680 psi | 89% | 2730 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 82% | 56,405 psi | 90% | 2746 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 53,388 psi | 86% | 2854 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 54,331 psi | 87% | 2871 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 55,506 psi | 89% | 2841 fps | 97.9% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 56,202 psi | 90% | 2858 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 54,984 psi | 88% | 2759 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,680 psi | 89% | 2772 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 55,259 psi | 89% | 2779 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 56,217 psi | 90% | 2799 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 55,187 psi | 88% | 2858 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 56,101 psi | 90% | 2877 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 52,721 psi | 85% | 2835 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 53,592 psi | 86% | 2851 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 54,650 psi | 88% | 2831 fps | 97.8% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 55,361 psi | 89% | 2844 fps | 98% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 48,022 psi | 77% | 2766 fps | 96.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 48,965 psi | 79% | 2789 fps | 97% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 45,121 psi | 72% | 2713 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 46,079 psi | 74% | 2733 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 39,494 psi | 63% | 2625 fps | 97.6% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,234 psi | 65% | 2644 fps | 97.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 51,445 psi | 82% | 2894 fps | 99.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 52,678 psi | 84% | 2917 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 53,243 psi | 85% | 2749 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 54,085 psi | 87% | 2769 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 55,651 psi | 89% | 2776 fps | 100% |
| Bofors RP3 | <<locked>> | 88% | 56,362 psi | 90% | 2789 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 48,022 psi | 77% | 2766 fps | 96.6% |
| Bofors RP5ᴾ | <<locked>> | 100% | 48,965 psi | 79% | 2789 fps | 97% |
| Bofors RP7 | <<locked>> | 92% | 55,448 psi | 89% | 2759 fps | 98.6% |
| Bofors RP7 | <<locked>> | 92% | 55,956 psi | 90% | 2772 fps | 98.8% |
| Hodgdon BL-C2 | <<locked>> | 82% | 55,303 psi | 89% | 2759 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 56,246 psi | 90% | 2776 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 56,304 psi | 90% | 2792 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 86% | 53,461 psi | 86% | 2756 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 92% | 53,127 psi | 85% | 2802 fps | 98.8% |
| Hodgdon H414 | <<locked>> | 92% | 53,940 psi | 86% | 2818 fps | 99% |
| Hodgdon H4350 | <<locked>> | 90% | 53,301 psi | 85% | 2762 fps | 97.8% |
| Hodgdon H4350 | <<locked>> | 90% | 54,143 psi | 87% | 2779 fps | 98% |
| Hodgdon H4895 | <<locked>> | 82% | 54,027 psi | 87% | 2743 fps | 100% |
| Hodgdon H4895 | <<locked>> | 82% | 54,752 psi | 88% | 2759 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 55,129 psi | 88% | 2782 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 56,304 psi | 90% | 2802 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 53,969 psi | 87% | 2779 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 54,665 psi | 88% | 2792 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 53,156 psi | 85% | 2835 fps | 98.6% |
| Hodgdon Superformance | <<locked>> | 92% | 54,114 psi | 87% | 2858 fps | 98.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,042 psi | 58% | 1696 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,056 psi | 58% | 1703 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,085 psi | 88% | 2743 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,767 psi | 89% | 2759 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 54,563 psi | 87% | 2720 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 55,172 psi | 88% | 2733 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 54,157 psi | 87% | 2723 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 54,853 psi | 88% | 2736 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 53,388 psi | 86% | 2703 fps | 98.7% |
| IMR 4166 Enduron | <<locked>> | 84% | 54,244 psi | 87% | 2723 fps | 98.9% |
| IMR 4350 | <<locked>> | 96% | 56,159 psi | 90% | 2789 fps | 98.8% |
| IMR 4350 | <<locked>> | 94% | 53,519 psi | 86% | 2756 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 90% | 53,940 psi | 86% | 2736 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 90% | 54,462 psi | 87% | 2753 fps | 98.9% |
| IMR 4831 | <<locked>> | 96% | 54,534 psi | 87% | 2792 fps | 100% |
| IMR 4831 | <<locked>> | 96% | 55,376 psi | 89% | 2808 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 53,243 psi | 85% | 2756 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 53,969 psi | 87% | 2772 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 55,143 psi | 88% | 2772 fps | 96% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 56,086 psi | 90% | 2792 fps | 96.3% |
| IMR 8208 XBR | <<locked>> | 82% | 55,680 psi | 89% | 2730 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 56,405 psi | 90% | 2746 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 53,229 psi | 85% | 2703 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 54,244 psi | 87% | 2723 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,985 psi | 90% | 2710 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 53,287 psi | 85% | 2677 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 54,027 psi | 87% | 2717 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 54,708 psi | 88% | 2730 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 53,505 psi | 86% | 2730 fps | 99.5% |
| Lovex S065 | <<locked>> | 92% | 54,070 psi | 87% | 2743 fps | 99.6% |
| Lovex S070 | <<locked>> | 94% | 54,404 psi | 87% | 2766 fps | 99% |
| Lovex S070 | <<locked>> | 94% | 55,201 psi | 89% | 2782 fps | 99.2% |
| Lovex S071ᴾ | <<locked>> | 100% | 39,581 psi | 63% | 2539 fps | 96.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 40,335 psi | 65% | 2559 fps | 97.2% |
| Norma 201 | <<locked>> | 84% | 55,419 psi | 89% | 2726 fps | 100% |
| Norma 201 | <<locked>> | 84% | 56,159 psi | 90% | 2740 fps | 100% |
| Norma 202 | <<locked>> | 84% | 56,188 psi | 90% | 2723 fps | 100% |
| Norma 202 | <<locked>> | 82% | 53,505 psi | 86% | 2690 fps | 100% |
| Norma 203B | <<locked>> | 86% | 54,491 psi | 87% | 2766 fps | 100% |
| Norma 203B | <<locked>> | 86% | 55,477 psi | 89% | 2785 fps | 100% |
| Norma 204 | <<locked>> | 94% | 53,098 psi | 85% | 2782 fps | 97.3% |
| Norma 204 | <<locked>> | 94% | 54,114 psi | 87% | 2802 fps | 97.5% |
| Norma MRPᴾ | <<locked>> | 100% | 50,691 psi | 81% | 2848 fps | 98.5% |
| Norma MRPᴾ | <<locked>> | 100% | 51,909 psi | 83% | 2874 fps | 98.8% |
| Norma URP | <<locked>> | 94% | 52,953 psi | 85% | 2785 fps | 99.9% |
| Norma URP | <<locked>> | 94% | 53,824 psi | 86% | 2805 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 55,274 psi | 89% | 2792 fps | 100% |
| Ramshot Big Game | <<locked>> | 86% | 56,173 psi | 90% | 2808 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 55,448 psi | 89% | 2841 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 94% | 52,808 psi | 85% | 2805 fps | 99.4% |
| Ramshot TAC | <<locked>> | 82% | 55,709 psi | 89% | 2756 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 55,796 psi | 89% | 2772 fps | 100% |
| Ramshot Wild Boar | <<locked>> | 82% | 56,420 psi | 90% | 2785 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,535 psi | 59% | 1736 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,535 psi | 59% | 1739 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 52,837 psi | 85% | 2723 fps | 99.1% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 53,650 psi | 86% | 2743 fps | 99.2% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 56,260 psi | 90% | 2848 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 53,432 psi | 86% | 2812 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 56,173 psi | 90% | 2881 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 53,258 psi | 85% | 2844 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 53,954 psi | 87% | 2825 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 54,766 psi | 88% | 2841 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 52,924 psi | 85% | 2854 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 53,635 psi | 86% | 2871 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 82% | 56,188 psi | 90% | 2700 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 56,043 psi | 90% | 2726 fps | 100% |
| Rottweil R 902 | <<locked>> | 84% | 53,345 psi | 86% | 2694 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 55,535 psi | 89% | 2769 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 52,997 psi | 85% | 2736 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 53,708 psi | 86% | 2759 fps | 96.3% |
| Rottweil R 904 | <<locked>> | 98% | 54,694 psi | 88% | 2779 fps | 96.7% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 53,693 psi | 86% | 2815 fps | 97.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 54,433 psi | 87% | 2831 fps | 98% |
| Rottweil R 907 | <<locked>> | 92% | 55,448 psi | 89% | 2759 fps | 98.6% |
| Rottweil R 907 | <<locked>> | 92% | 55,956 psi | 90% | 2772 fps | 98.8% |
| Shooters World Long Rifle | <<locked>> | 92% | 53,505 psi | 86% | 2730 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 92% | 54,070 psi | 87% | 2743 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 82% | 53,229 psi | 85% | 2703 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 82% | 54,244 psi | 87% | 2723 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 54,027 psi | 87% | 2717 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 54,708 psi | 88% | 2730 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 54,404 psi | 87% | 2766 fps | 99% |
| Shooters World SW4350 | <<locked>> | 94% | 55,201 psi | 89% | 2782 fps | 99.2% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 53,751 psi | 86% | 2779 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 54,607 psi | 88% | 2795 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 54,302 psi | 87% | 2736 fps | 99.8% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 55,216 psi | 89% | 2753 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 55,288 psi | 89% | 2756 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 56,188 psi | 90% | 2772 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 53,156 psi | 85% | 2615 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 53,896 psi | 86% | 2628 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 53,969 psi | 87% | 2618 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 54,650 psi | 88% | 2631 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 53,243 psi | 85% | 2684 fps | 98.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 54,012 psi | 87% | 2700 fps | 98.9% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 53,200 psi | 85% | 2808 fps | 97.7% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 53,940 psi | 86% | 2825 fps | 97.9% |
| Somchem S335 | <<locked>> | 84% | 56,130 psi | 90% | 2657 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 53,490 psi | 86% | 2628 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 54,172 psi | 87% | 2726 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 55,027 psi | 88% | 2743 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 55,767 psi | 89% | 2766 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 53,026 psi | 85% | 2730 fps | 100% |
| Somchem S361 | <<locked>> | 98% | 55,680 psi | 89% | 2756 fps | 95.8% |
| Somchem S365 | <<locked>> | 98% | 55,390 psi | 89% | 2841 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 56,333 psi | 90% | 2858 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 54,259 psi | 87% | 2792 fps | 98.5% |
| Somchem S385ᴾ | <<locked>> | 100% | 55,274 psi | 89% | 2812 fps | 98.7% |
| Vihtavuori N133 | <<locked>> | 82% | 53,664 psi | 86% | 2598 fps | 100% |
| Vihtavuori N133 | <<locked>> | 82% | 54,418 psi | 87% | 2615 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 56,188 psi | 90% | 2684 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 53,708 psi | 86% | 2657 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 53,330 psi | 86% | 2657 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 54,027 psi | 87% | 2671 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 53,577 psi | 86% | 2694 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 54,491 psi | 87% | 2710 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 55,347 psi | 89% | 2785 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 56,188 psi | 90% | 2802 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 46,789 psi | 75% | 2657 fps | 96.7% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 47,427 psi | 76% | 2674 fps | 97% |
| Vihtavuori N530 | <<locked>> | 82% | 56,159 psi | 90% | 2730 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 54,998 psi | 88% | 2703 fps | 100% |
| Vihtavuori N540 | <<locked>> | 86% | 55,637 psi | 89% | 2713 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 54,462 psi | 87% | 2792 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 94% | 55,216 psi | 89% | 2808 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 50,473 psi | 81% | 2789 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 51,358 psi | 82% | 2805 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 55,114 psi | 88% | 2756 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 56,057 psi | 90% | 2772 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 53,127 psi | 85% | 2802 fps | 98.8% |
| Winchester 760 | <<locked>> | 92% | 54,215 psi | 87% | 2822 fps | 99% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 40,466 psi | 65% | 2749 fps | 100% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,249 psi | 66% | 2772 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 55,317 psi | 89% | 2762 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 56,260 psi | 90% | 2779 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 50,923 psi | 82% | 2730 fps | 96.9% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 51,866 psi | 83% | 2749 fps | 97.2% |
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% | 46,485 psi | 75% | 2556 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 47,311 psi | 76% | 2572 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 45,513 psi | 73% | 2559 fps | 96.6% |
| Accurate 2700 | <<locked>> | 80% | 46,079 psi | 74% | 2572 fps | 96.8% |
| Accurate 3100 | <<locked>> | 92% | 36,201 psi | 58% | 2470 fps | 95.9% |
| Accurate 3100 | <<locked>> | 90% | 34,316 psi | 55% | 2431 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 44,034 psi | 71% | 2559 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 44,831 psi | 72% | 2575 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,040 psi | 53% | 2411 fps | 96.6% |
| Accurate 4350 | <<locked>> | 80% | 33,518 psi | 54% | 2425 fps | 96.8% |
| Accurate High Country | <<locked>> | 98% | 49,037 psi | 79% | 2818 fps | 95.7% |
| Accurate High Country | <<locked>> | 96% | 46,557 psi | 75% | 2779 fps | 95.1% |
| ADI AR 2206H | <<locked>> | 80% | 50,154 psi | 80% | 2684 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 50,633 psi | 81% | 2697 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 42,496 psi | 68% | 2536 fps | 99.3% |
| ADI AR 2208 | <<locked>> | 80% | 43,178 psi | 69% | 2556 fps | 99.4% |
| ADI AR 2209 | <<locked>> | 94% | 45,658 psi | 73% | 2674 fps | 95.6% |
| ADI AR 2209 | <<locked>> | 92% | 43,279 psi | 69% | 2631 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,330 psi | 84% | 2684 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,808 psi | 85% | 2694 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,340 psi | 74% | 2736 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 47,007 psi | 75% | 2753 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 45,513 psi | 73% | 2674 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 43,366 psi | 70% | 2635 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 42,569 psi | 68% | 2559 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,279 psi | 69% | 2575 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 45,687 psi | 73% | 2628 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,180 psi | 74% | 2638 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,011 psi | 53% | 2428 fps | 96.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,417 psi | 54% | 2444 fps | 97% |
| Alliant Reloder-17 | 56.3 gr | 80% | 36,956 psi | 59% | 2546 fps | 99.3% |
| Alliant Reloder-17 | 56.3 gr | 80% | 37,753 psi | 61% | 2569 fps | 99.5% |
| Alliant Reloder-19 | <<locked>> | 94% | 44,933 psi | 72% | 2664 fps | 95.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 42,844 psi | 69% | 2628 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 98% | 44,976 psi | 72% | 2713 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 96% | 42,830 psi | 69% | 2674 fps | 95.3% |
| Alliant Reloder-23 | <<locked>> | 84% | 26,977 psi | 43% | 2287 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 84% | 27,427 psi | 44% | 2303 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 96% | 34,809 psi | 56% | 2510 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 94% | 33,199 psi | 53% | 2470 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 88% | 33,141 psi | 53% | 2516 fps | 96.1% |
| Alliant Reloder-26 | <<locked>> | 86% | 31,473 psi | 50% | 2470 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 49,777 psi | 80% | 2697 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,372 psi | 81% | 2710 fps | 99.9% |
| Bofors RP3 | <<locked>> | 80% | 42,366 psi | 68% | 2566 fps | 99.9% |
| Bofors RP3 | <<locked>> | 80% | 43,076 psi | 69% | 2582 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 44,976 psi | 72% | 2713 fps | 95.8% |
| Bofors RP5 | <<locked>> | 96% | 42,830 psi | 69% | 2674 fps | 95.3% |
| Bofors RP7 | <<locked>> | 82% | 40,350 psi | 65% | 2493 fps | 95.4% |
| Bofors RP7 | <<locked>> | 82% | 40,930 psi | 66% | 2510 fps | 95.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 51,692 psi | 83% | 2707 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,388 psi | 84% | 2720 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,091 psi | 69% | 2575 fps | 98.7% |
| Hodgdon H380 | <<locked>> | 80% | 43,729 psi | 70% | 2592 fps | 98.9% |
| Hodgdon H414 | <<locked>> | 82% | 37,826 psi | 61% | 2520 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 82% | 38,435 psi | 62% | 2536 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 84% | 43,888 psi | 70% | 2598 fps | 95.6% |
| Hodgdon H4350 | <<locked>> | 82% | 41,756 psi | 67% | 2562 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 50,720 psi | 81% | 2694 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 51,213 psi | 82% | 2703 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,284 psi | 49% | 2326 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,893 psi | 50% | 2343 fps | 97.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,007 psi | 75% | 2671 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,688 psi | 76% | 2687 fps | 100% |
| Hodgdon Superformance | 62.4 gr | 84% | 39,610 psi | 64% | 2582 fps | 95.3% |
| Hodgdon Superformance | 62.4 gr | 84% | 40,263 psi | 65% | 2602 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,760 psi | 43% | 1512 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,890 psi | 43% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 48,530 psi | 78% | 2644 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,226 psi | 79% | 2661 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 51,010 psi | 82% | 2674 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 51,648 psi | 83% | 2687 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 44,686 psi | 72% | 2569 fps | 99.6% |
| IMR 4064 | <<locked>> | 80% | 45,397 psi | 73% | 2589 fps | 99.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,123 psi | 76% | 2598 fps | 97.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,747 psi | 77% | 2615 fps | 97.9% |
| IMR 4350 | <<locked>> | 86% | 40,843 psi | 65% | 2526 fps | 95.6% |
| IMR 4350 | <<locked>> | 84% | 38,870 psi | 62% | 2490 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,291 psi | 63% | 2470 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,871 psi | 64% | 2490 fps | 95.9% |
| IMR 4831 | <<locked>> | 80% | 31,966 psi | 51% | 2369 fps | 96.2% |
| IMR 4831 | <<locked>> | 80% | 32,576 psi | 52% | 2388 fps | 96.6% |
| IMR 4895 | <<locked>> | 80% | 46,891 psi | 75% | 2654 fps | 99.9% |
| IMR 4895 | <<locked>> | 80% | 47,369 psi | 76% | 2667 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 51,793 psi | 83% | 2720 fps | 95.3% |
| IMR 4955 Enduron | <<locked>> | 98% | 52,460 psi | 84% | 2736 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 80% | 52,330 psi | 84% | 2684 fps | 100% |
| IMR 8208 XBR | <<locked>> | 80% | 52,808 psi | 85% | 2694 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,893 psi | 80% | 2657 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,633 psi | 81% | 2671 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,429 psi | 79% | 2612 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 50,125 psi | 80% | 2628 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 44,657 psi | 72% | 2569 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 45,339 psi | 73% | 2582 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 36,666 psi | 59% | 2421 fps | 96.3% |
| Lovex S065 | <<locked>> | 80% | 37,246 psi | 60% | 2438 fps | 96.6% |
| Lovex S070 | <<locked>> | 82% | 37,217 psi | 60% | 2451 fps | 95.3% |
| Lovex S070 | <<locked>> | 82% | 37,797 psi | 61% | 2467 fps | 95.6% |
| Lovex S071 | <<locked>> | 96% | 34,693 psi | 56% | 2438 fps | 95.3% |
| Lovex S071 | <<locked>> | 96% | 35,404 psi | 57% | 2454 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 48,791 psi | 78% | 2628 fps | 100% |
| Norma 201 | <<locked>> | 80% | 49,545 psi | 79% | 2644 fps | 100% |
| Norma 202 | <<locked>> | 80% | 49,487 psi | 79% | 2628 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,270 psi | 81% | 2644 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,034 psi | 72% | 2615 fps | 99.8% |
| Norma 203B | <<locked>> | 80% | 45,513 psi | 73% | 2628 fps | 99.9% |
| Norma 204 | <<locked>> | 90% | 46,340 psi | 74% | 2667 fps | 95.7% |
| Norma 204 | <<locked>> | 88% | 43,918 psi | 70% | 2628 fps | 95.1% |
| Norma MRP | <<locked>> | 92% | 38,406 psi | 62% | 2605 fps | 95.2% |
| Norma MRP | <<locked>> | 92% | 39,247 psi | 63% | 2628 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 33,286 psi | 53% | 2415 fps | 96.5% |
| Norma URP | <<locked>> | 80% | 33,910 psi | 54% | 2431 fps | 96.8% |
| Ramshot Big Game | <<locked>> | 80% | 45,020 psi | 72% | 2631 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 80% | 45,658 psi | 73% | 2648 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 82% | 34,505 psi | 55% | 2448 fps | 95% |
| Ramshot Hunter | <<locked>> | 82% | 35,215 psi | 56% | 2470 fps | 95.4% |
| Ramshot TAC | <<locked>> | 80% | 52,185 psi | 84% | 2703 fps | 99.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 52,185 psi | 84% | 2720 fps | 100% |
| Ramshot Wild Boar | <<locked>> | 80% | 52,808 psi | 85% | 2733 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,267 psi | 44% | 1552 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,209 psi | 44% | 1555 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,395 psi | 70% | 2562 fps | 97.5% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,976 psi | 71% | 2575 fps | 97.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 48,994 psi | 79% | 2736 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,777 psi | 80% | 2753 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 39,407 psi | 63% | 2608 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 40,190 psi | 64% | 2625 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 32,793 psi | 53% | 2428 fps | 96.1% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 33,417 psi | 54% | 2444 fps | 96.4% |
| ReloadSwiss RS 70 | 57.1 gr | 80% | 32,401 psi | 52% | 2428 fps | 95.1% |
| ReloadSwiss RS 70 | 57.1 gr | 80% | 32,866 psi | 53% | 2444 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 52,765 psi | 85% | 2654 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,557 psi | 75% | 2585 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 47,021 psi | 75% | 2595 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,958 psi | 64% | 2513 fps | 99.6% |
| Rottweil R 903 | <<locked>> | 80% | 40,640 psi | 65% | 2530 fps | 99.7% |
| Rottweil R 904 | <<locked>> | 96% | 50,343 psi | 81% | 2703 fps | 95.6% |
| Rottweil R 904 | <<locked>> | 94% | 47,950 psi | 77% | 2667 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 94% | 43,671 psi | 70% | 2644 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 94% | 44,440 psi | 71% | 2661 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 82% | 40,350 psi | 65% | 2493 fps | 95.4% |
| Rottweil R 907 | <<locked>> | 82% | 40,930 psi | 66% | 2510 fps | 95.7% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,666 psi | 59% | 2421 fps | 96.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 37,246 psi | 60% | 2438 fps | 96.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,893 psi | 80% | 2657 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,633 psi | 81% | 2671 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,657 psi | 72% | 2569 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 45,339 psi | 73% | 2582 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 37,217 psi | 60% | 2451 fps | 95.3% |
| Shooters World SW4350 | <<locked>> | 82% | 37,797 psi | 61% | 2467 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,205 psi | 66% | 2569 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,843 psi | 67% | 2582 fps | 99.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,720 psi | 81% | 2680 fps | 99.6% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,329 psi | 82% | 2697 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 48,631 psi | 78% | 2654 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,284 psi | 79% | 2671 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,038 psi | 80% | 2569 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,546 psi | 81% | 2582 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,018 psi | 67% | 2444 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,467 psi | 68% | 2454 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 38,363 psi | 62% | 2421 fps | 95.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 38,885 psi | 62% | 2434 fps | 95.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 43,250 psi | 69% | 2638 fps | 95.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 44,048 psi | 71% | 2657 fps | 95.6% |
| Somchem S335 | <<locked>> | 80% | 49,603 psi | 80% | 2569 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 50,299 psi | 81% | 2582 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 50,633 psi | 81% | 2674 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,256 psi | 82% | 2687 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 40,509 psi | 65% | 2516 fps | 99.6% |
| Somchem S355 | <<locked>> | 80% | 41,205 psi | 66% | 2533 fps | 99.7% |
| Somchem S361 | <<locked>> | 96% | 52,069 psi | 83% | 2700 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 29,805 psi | 48% | 2369 fps | 98.5% |
| Somchem S365 | <<locked>> | 80% | 30,240 psi | 48% | 2382 fps | 98.7% |
| Somchem S385 | <<locked>> | 92% | 41,437 psi | 66% | 2572 fps | 95.7% |
| Somchem S385 | <<locked>> | 90% | 39,537 psi | 63% | 2536 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 50,604 psi | 81% | 2559 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 51,097 psi | 82% | 2569 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,543 psi | 75% | 2552 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 47,123 psi | 76% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 46,978 psi | 75% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,674 psi | 76% | 2579 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 38,667 psi | 62% | 2451 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 39,305 psi | 63% | 2467 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 34,751 psi | 56% | 2418 fps | 97% |
| Vihtavuori N160 | <<locked>> | 80% | 35,172 psi | 56% | 2431 fps | 97.2% |
| Vihtavuori N165 | <<locked>> | 96% | 40,785 psi | 65% | 2549 fps | 95% |
| Vihtavuori N165 | <<locked>> | 96% | 41,640 psi | 67% | 2569 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 52,431 psi | 84% | 2677 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,208 psi | 72% | 2559 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,847 psi | 74% | 2572 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,098 psi | 55% | 2415 fps | 96.5% |
| Vihtavuori N550 | <<locked>> | 80% | 34,679 psi | 56% | 2431 fps | 96.8% |
| Vihtavuori N555 | <<locked>> | 84% | 29,312 psi | 47% | 2359 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 82% | 27,920 psi | 45% | 2320 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,127 psi | 55% | 2392 fps | 98.8% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,577 psi | 55% | 2405 fps | 98.9% |
| Winchester 760 | <<locked>> | 82% | 38,000 psi | 61% | 2523 fps | 95.3% |
| Winchester 760 | <<locked>> | 82% | 38,624 psi | 62% | 2539 fps | 95.6% |
| Winchester StaBALL HD | <<locked>> | 88% | 26,977 psi | 43% | 2365 fps | 96.3% |
| Winchester StaBALL HD | <<locked>> | 86% | 25,701 psi | 41% | 2320 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 48,298 psi | 77% | 2657 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,197 psi | 79% | 2677 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 44,251 psi | 71% | 2615 fps | 95.3% |
| Winchester Supreme 780 | <<locked>> | 96% | 44,904 psi | 72% | 2631 fps | 95.6% |
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 204 powders for .300 H&H Mag. loaded with the .308 | 183gr | Peregrine Plainsmaster (VLR-4). Alliant Reloder-26 delivers the highest muzzle velocity at 2,917 fps; across all powders the maximum-charge window runs from 1,696 fps to 2,917 fps. Accurate 3100 gives the best case fill at 100 %, and 204 of the 204 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 183.0 gr projectile in 0.308" calls for a 1:10.5 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, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for .300 H&H Mag. with the .308 | 183gr | Peregrine Plainsmaster (VLR-4) 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.