Load Specifications
Bullet Manufacturer:Nosler
Bullet Weight:150 gr
Bullet Diameter:0.277"
Bullet Length:<<locked>>
Caliber:.270 Win. load data
Case Length (l3):2.54"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:67 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:11.0
Load data in caliber .270 Win. with .277 | 150gr | Nosler Partition bullet and 201 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon H4350, Alliant Reloder-16 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.
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>> | 82% | 52,910 psi | 85% | 2638 fps | 100% |
| Accurate 2495 | <<locked>> | 84% | 56,405 psi | 90% | 2684 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 54,215 psi | 87% | 2700 fps | 98.4% |
| Accurate 2700 | <<locked>> | 84% | 54,201 psi | 87% | 2700 fps | 98.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,169 psi | 82% | 2736 fps | 99.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,097 psi | 82% | 2736 fps | 99.3% |
| Accurate 4064 | <<locked>> | 84% | 53,287 psi | 85% | 2690 fps | 100% |
| Accurate 4064 | <<locked>> | 84% | 53,258 psi | 85% | 2690 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,577 psi | 86% | 2789 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,476 psi | 86% | 2789 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 55,956 psi | 90% | 2930 fps | 97.4% |
| Accurate High Countryᴾ | <<locked>> | 100% | 55,883 psi | 90% | 2930 fps | 97.4% |
| ADI AR 2206H | <<locked>> | 82% | 55,840 psi | 90% | 2766 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 55,782 psi | 89% | 2762 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 53,577 psi | 86% | 2720 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 53,505 psi | 86% | 2720 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 54,636 psi | 88% | 2828 fps | 97.9% |
| ADI AR 2209 | <<locked>> | 98% | 54,607 psi | 88% | 2825 fps | 97.9% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,315 psi | 84% | 2815 fps | 96.1% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 52,257 psi | 84% | 2815 fps | 96.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,144 psi | 90% | 2890 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,086 psi | 90% | 2887 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 54,621 psi | 88% | 2825 fps | 97.9% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 54,592 psi | 88% | 2825 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,114 psi | 87% | 2743 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 54,056 psi | 87% | 2743 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,447 psi | 87% | 2762 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,404 psi | 87% | 2762 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,230 psi | 87% | 2841 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,172 psi | 87% | 2841 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,535 psi | 89% | 2867 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,477 psi | 89% | 2867 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,838 psi | 86% | 2815 fps | 97.9% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,824 psi | 86% | 2815 fps | 97.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,923 psi | 82% | 2815 fps | 97.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,850 psi | 82% | 2815 fps | 97.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,037 psi | 77% | 2756 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,979 psi | 77% | 2756 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,003 psi | 67% | 2677 fps | 98.5% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,916 psi | 67% | 2674 fps | 98.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,911 psi | 88% | 2943 fps | 100% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,882 psi | 88% | 2940 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,637 psi | 89% | 2779 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,550 psi | 89% | 2779 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,717 psi | 75% | 2740 fps | 96.4% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,659 psi | 75% | 2740 fps | 96.4% |
| Bofors RP3 | <<locked>> | 86% | 54,868 psi | 88% | 2756 fps | 100% |
| Bofors RP3 | <<locked>> | 86% | 54,839 psi | 88% | 2756 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,923 psi | 82% | 2815 fps | 97.5% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,850 psi | 82% | 2815 fps | 97.5% |
| Bofors RP7 | <<locked>> | 90% | 54,491 psi | 87% | 2743 fps | 98.7% |
| Bofors RP7 | <<locked>> | 90% | 54,433 psi | 87% | 2743 fps | 98.7% |
| Hodgdon H380 | <<locked>> | 86% | 55,317 psi | 89% | 2772 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 86% | 55,288 psi | 89% | 2772 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 92% | 55,796 psi | 89% | 2838 fps | 99.3% |
| Hodgdon H414 | <<locked>> | 92% | 55,767 psi | 89% | 2838 fps | 99.3% |
| Hodgdon H4350 | <<locked>> | 90% | 55,753 psi | 89% | 2799 fps | 98.4% |
| Hodgdon H4350 | <<locked>> | 90% | 55,666 psi | 89% | 2799 fps | 98.4% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 55,912 psi | 90% | 2818 fps | 96.2% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 56,173 psi | 90% | 2825 fps | 96.3% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 54,897 psi | 88% | 2802 fps | 96% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 54,868 psi | 88% | 2805 fps | 96% |
| Hodgdon H4895 | <<locked>> | 82% | 56,434 psi | 90% | 2772 fps | 100% |
| Hodgdon H4895 | <<locked>> | 82% | 56,391 psi | 90% | 2772 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,375 psi | 87% | 2766 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,650 psi | 88% | 2769 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 56,420 psi | 90% | 2805 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 52,910 psi | 85% | 2756 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 56,057 psi | 90% | 2877 fps | 99.1% |
| Hodgdon Superformance | <<locked>> | 92% | 55,999 psi | 90% | 2877 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,216 psi | 58% | 1699 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,201 psi | 58% | 1699 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,838 psi | 86% | 2723 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,766 psi | 86% | 2720 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 56,434 psi | 90% | 2749 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 56,347 psi | 90% | 2749 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,579 psi | 89% | 2733 fps | 99.1% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,506 psi | 89% | 2733 fps | 99.1% |
| IMR 4350 | <<locked>> | 94% | 55,158 psi | 88% | 2772 fps | 98.8% |
| IMR 4350 | <<locked>> | 94% | 55,071 psi | 88% | 2772 fps | 98.8% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,086 psi | 90% | 2766 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 90% | 56,057 psi | 90% | 2769 fps | 99.1% |
| IMR 4831 | <<locked>> | 94% | 53,838 psi | 86% | 2779 fps | 100% |
| IMR 4831 | <<locked>> | 94% | 54,114 psi | 87% | 2782 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,883 psi | 90% | 2789 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,811 psi | 89% | 2789 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,259 psi | 87% | 2756 fps | 96.1% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,230 psi | 87% | 2759 fps | 96.1% |
| Lovex D073.6 | <<locked>> | 82% | 55,941 psi | 90% | 2733 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 56,246 psi | 90% | 2740 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,505 psi | 87% | 2687 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,766 psi | 88% | 2690 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 53,084 psi | 85% | 2694 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 53,069 psi | 85% | 2697 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 56,043 psi | 90% | 2762 fps | 99.8% |
| Lovex S065 | <<locked>> | 92% | 56,014 psi | 90% | 2762 fps | 99.8% |
| Lovex S070 | <<locked>> | 92% | 53,708 psi | 86% | 2749 fps | 99.1% |
| Lovex S070 | <<locked>> | 92% | 53,679 psi | 86% | 2749 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,496 psi | 68% | 2589 fps | 97.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,453 psi | 68% | 2589 fps | 97.9% |
| Norma 201 | <<locked>> | 82% | 54,534 psi | 87% | 2707 fps | 100% |
| Norma 201 | <<locked>> | 82% | 54,476 psi | 87% | 2707 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,027 psi | 88% | 2700 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,317 psi | 89% | 2707 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,737 psi | 86% | 2749 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,693 psi | 86% | 2749 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,970 psi | 90% | 2822 fps | 98% |
| Norma 204 | <<locked>> | 94% | 55,941 psi | 90% | 2825 fps | 98% |
| Norma MRPᴾ | <<locked>> | 100% | 54,027 psi | 87% | 2897 fps | 99.1% |
| Norma MRPᴾ | <<locked>> | 100% | 53,954 psi | 87% | 2897 fps | 99.1% |
| Norma URP | <<locked>> | 94% | 55,811 psi | 89% | 2825 fps | 100% |
| Norma URP | <<locked>> | 94% | 55,753 psi | 89% | 2822 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,302 psi | 87% | 2772 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,244 psi | 87% | 2772 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 54,737 psi | 88% | 2828 fps | 99.6% |
| Ramshot Hunter | <<locked>> | 94% | 54,665 psi | 88% | 2828 fps | 99.6% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 44,237 psi | 71% | 2674 fps | 96.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 44,179 psi | 71% | 2674 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,970 psi | 59% | 1742 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,941 psi | 59% | 1742 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,405 psi | 89% | 2759 fps | 99.5% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,317 psi | 89% | 2759 fps | 99.4% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,071 psi | 88% | 2825 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,376 psi | 89% | 2828 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,955 psi | 88% | 2858 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,230 psi | 89% | 2861 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 53,243 psi | 85% | 2808 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 53,214 psi | 85% | 2808 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,448 psi | 89% | 2890 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,724 psi | 89% | 2894 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 40,654 psi | 65% | 2680 fps | 96.1% |
| Rottweil R 902 | <<locked>> | 84% | 55,085 psi | 88% | 2707 fps | 100% |
| Rottweil R 902 | <<locked>> | 84% | 55,071 psi | 88% | 2707 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,737 psi | 88% | 2749 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 55,042 psi | 88% | 2753 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,318 psi | 90% | 2799 fps | 97.1% |
| Rottweil R 904 | <<locked>> | 98% | 56,260 psi | 90% | 2795 fps | 97.1% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 56,362 psi | 90% | 2851 fps | 98.4% |
| Rottweil R 905 | <<locked>> | 98% | 52,997 psi | 85% | 2802 fps | 97.9% |
| Rottweil R 907 | <<locked>> | 90% | 54,491 psi | 87% | 2743 fps | 98.7% |
| Rottweil R 907 | <<locked>> | 90% | 54,433 psi | 87% | 2743 fps | 98.7% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,043 psi | 90% | 2762 fps | 99.8% |
| Shooters World Long Rifle | <<locked>> | 92% | 56,014 psi | 90% | 2762 fps | 99.8% |
| Shooters World Match Rifle | <<locked>> | 82% | 55,941 psi | 90% | 2733 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,246 psi | 90% | 2740 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 53,084 psi | 85% | 2694 fps | 100% |
| Shooters World Precision | <<locked>> | 84% | 53,069 psi | 85% | 2697 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,708 psi | 86% | 2749 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 92% | 53,679 psi | 86% | 2749 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,289 psi | 90% | 2808 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 52,808 psi | 85% | 2759 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,056 psi | 87% | 2733 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,288 psi | 87% | 2736 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,347 psi | 89% | 2638 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,274 psi | 89% | 2638 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,028 psi | 90% | 2641 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,304 psi | 90% | 2644 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,854 psi | 90% | 2720 fps | 99.2% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,840 psi | 90% | 2720 fps | 99.2% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 55,854 psi | 90% | 2848 fps | 98.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,144 psi | 90% | 2851 fps | 98.3% |
| Somchem S335 | <<locked>> | 82% | 55,071 psi | 88% | 2638 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 55,027 psi | 88% | 2638 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,882 psi | 88% | 2746 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,795 psi | 88% | 2746 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 54,534 psi | 87% | 2736 fps | 95.9% |
| Somchem S361 | <<locked>> | 96% | 54,433 psi | 87% | 2736 fps | 95.9% |
| Somchem S365 | <<locked>> | 96% | 54,882 psi | 88% | 2828 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 54,824 psi | 88% | 2825 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,722 psi | 86% | 2779 fps | 98.6% |
| Somchem S385 | <<locked>> | 98% | 53,693 psi | 86% | 2779 fps | 98.6% |
| Vihtavuori N133 | <<locked>> | 82% | 55,811 psi | 89% | 2621 fps | 100% |
| Vihtavuori N133 | <<locked>> | 82% | 55,796 psi | 89% | 2621 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,521 psi | 89% | 2671 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,506 psi | 89% | 2667 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,811 psi | 89% | 2684 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,738 psi | 89% | 2684 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 56,115 psi | 90% | 2723 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 56,391 psi | 90% | 2726 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,607 psi | 88% | 2769 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,520 psi | 87% | 2769 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 49,487 psi | 79% | 2700 fps | 97.5% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 49,458 psi | 79% | 2697 fps | 97.5% |
| Vihtavuori N540 | <<locked>> | 84% | 53,954 psi | 87% | 2684 fps | 100% |
| Vihtavuori N540 | <<locked>> | 84% | 53,896 psi | 86% | 2684 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 53,664 psi | 86% | 2776 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 92% | 53,635 psi | 86% | 2776 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,722 psi | 86% | 2831 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,621 psi | 86% | 2828 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 54,491 psi | 87% | 2884 fps | 96.4% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 54,447 psi | 87% | 2884 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,012 psi | 87% | 2740 fps | 100% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,954 psi | 87% | 2740 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 55,796 psi | 89% | 2838 fps | 99.3% |
| Winchester 760 | <<locked>> | 92% | 56,057 psi | 90% | 2841 fps | 99.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,323 psi | 69% | 2805 fps | 100% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,265 psi | 69% | 2805 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 54,143 psi | 87% | 2743 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 54,128 psi | 87% | 2740 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,664 psi | 86% | 2769 fps | 97.7% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,940 psi | 86% | 2776 fps | 97.7% |
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% | 49,530 psi | 79% | 2589 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 49,472 psi | 79% | 2589 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,587 psi | 76% | 2592 fps | 97.3% |
| Accurate 2700 | <<locked>> | 80% | 47,514 psi | 76% | 2592 fps | 97.3% |
| Accurate 3100 | <<locked>> | 88% | 34,055 psi | 55% | 2415 fps | 95.3% |
| Accurate 3100 | <<locked>> | 88% | 34,026 psi | 55% | 2415 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 46,905 psi | 75% | 2595 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 46,876 psi | 75% | 2595 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,534 psi | 57% | 2461 fps | 97.6% |
| Accurate 4350 | <<locked>> | 80% | 35,491 psi | 57% | 2461 fps | 97.6% |
| Accurate High Country | <<locked>> | 96% | 48,588 psi | 78% | 2808 fps | 95.8% |
| Accurate High Country | <<locked>> | 96% | 48,530 psi | 78% | 2808 fps | 95.8% |
| ADI AR 2206H | <<locked>> | 80% | 52,460 psi | 84% | 2713 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 52,388 psi | 84% | 2713 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,527 psi | 71% | 2572 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 80% | 44,512 psi | 71% | 2569 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 92% | 44,918 psi | 72% | 2657 fps | 95.7% |
| ADI AR 2209 | <<locked>> | 92% | 44,889 psi | 72% | 2657 fps | 95.7% |
| ADI AR 2213 | <<locked>> | 98% | 48,965 psi | 79% | 2756 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 98% | 48,936 psi | 78% | 2756 fps | 95.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,617 psi | 78% | 2769 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,878 psi | 78% | 2776 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 42,235 psi | 68% | 2605 fps | 95% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 44,991 psi | 72% | 2661 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,962 psi | 72% | 2595 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,918 psi | 72% | 2595 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,964 psi | 77% | 2661 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,950 psi | 77% | 2661 fps | 99.9% |
| Alliant Reloder-16 | 42.8 gr | 80% | 34,795 psi | 56% | 2467 fps | 97.7% |
| Alliant Reloder-16 | 42.8 gr | 80% | 34,780 psi | 56% | 2467 fps | 97.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,204 psi | 63% | 2592 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,189 psi | 63% | 2589 fps | 99.7% |
| Alliant Reloder-19 | <<locked>> | 92% | 44,498 psi | 71% | 2654 fps | 95.7% |
| Alliant Reloder-19 | <<locked>> | 92% | 44,440 psi | 71% | 2651 fps | 95.7% |
| Alliant Reloder-22 | <<locked>> | 94% | 41,597 psi | 67% | 2638 fps | 95% |
| Alliant Reloder-22 | <<locked>> | 94% | 41,829 psi | 67% | 2644 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 82% | 27,137 psi | 44% | 2283 fps | 96% |
| Alliant Reloder-23 | <<locked>> | 82% | 27,122 psi | 43% | 2283 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 92% | 32,648 psi | 52% | 2448 fps | 95% |
| Alliant Reloder-25 | <<locked>> | 92% | 32,619 psi | 52% | 2448 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 84% | 30,850 psi | 49% | 2444 fps | 95.2% |
| Alliant Reloder-26 | <<locked>> | 84% | 31,024 psi | 50% | 2451 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,996 psi | 83% | 2726 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,953 psi | 83% | 2726 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 43,772 psi | 70% | 2684 fps | 95.5% |
| Bofors RP15 | <<locked>> | 98% | 43,714 psi | 70% | 2680 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 45,121 psi | 72% | 2608 fps | 100% |
| Bofors RP3 | <<locked>> | 80% | 45,107 psi | 72% | 2605 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 41,597 psi | 67% | 2638 fps | 95% |
| Bofors RP5 | <<locked>> | 94% | 41,829 psi | 67% | 2644 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 39,900 psi | 64% | 2480 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 39,885 psi | 64% | 2477 fps | 95.5% |
| Hodgdon H380 | <<locked>> | 80% | 45,382 psi | 73% | 2612 fps | 99.2% |
| Hodgdon H380 | <<locked>> | 80% | 45,614 psi | 73% | 2615 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 80% | 37,434 psi | 60% | 2503 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 80% | 37,391 psi | 60% | 2503 fps | 95.4% |
| Hodgdon H4350 | 45.6 gr | 82% | 43,294 psi | 69% | 2582 fps | 95.7% |
| Hodgdon H4350 | 45.6 gr | 82% | 43,236 psi | 69% | 2582 fps | 95.7% |
| Hodgdon H4831 | <<locked>> | 98% | 52,315 psi | 84% | 2762 fps | 95.4% |
| Hodgdon H4831 | <<locked>> | 98% | 52,286 psi | 84% | 2762 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 98% | 51,430 psi | 82% | 2749 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 98% | 51,329 psi | 82% | 2746 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 53,011 psi | 85% | 2723 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 52,968 psi | 85% | 2720 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,271 psi | 52% | 2365 fps | 98.3% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,460 psi | 52% | 2372 fps | 98.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,371 psi | 79% | 2703 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,632 psi | 80% | 2707 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 39,160 psi | 63% | 2569 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 82% | 39,146 psi | 63% | 2572 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,050 psi | 43% | 1519 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,035 psi | 43% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,517 psi | 81% | 2671 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,778 psi | 81% | 2674 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,833 psi | 75% | 2605 fps | 99.9% |
| IMR 4064 | <<locked>> | 80% | 46,818 psi | 75% | 2602 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,052 psi | 79% | 2628 fps | 98.2% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,008 psi | 79% | 2628 fps | 98.2% |
| IMR 4350 | <<locked>> | 84% | 40,292 psi | 65% | 2510 fps | 95.6% |
| IMR 4350 | <<locked>> | 84% | 40,277 psi | 65% | 2510 fps | 95.6% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,089 psi | 66% | 2507 fps | 96.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,307 psi | 66% | 2510 fps | 96.4% |
| IMR 4831 | <<locked>> | 80% | 34,243 psi | 55% | 2418 fps | 97.3% |
| IMR 4831 | <<locked>> | 80% | 34,229 psi | 55% | 2415 fps | 97.3% |
| IMR 4895 | <<locked>> | 80% | 49,211 psi | 79% | 2687 fps | 100% |
| IMR 4895 | <<locked>> | 80% | 49,168 psi | 79% | 2687 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 50,966 psi | 82% | 2703 fps | 95.4% |
| IMR 4955 Enduron | <<locked>> | 96% | 50,908 psi | 82% | 2703 fps | 95.3% |
| Lovex D073.6 | <<locked>> | 80% | 52,475 psi | 84% | 2687 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 52,431 psi | 84% | 2687 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,532 psi | 83% | 2641 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,474 psi | 83% | 2641 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,050 psi | 75% | 2602 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,036 psi | 75% | 2602 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,725 psi | 62% | 2461 fps | 97.2% |
| Lovex S065 | <<locked>> | 80% | 38,682 psi | 62% | 2461 fps | 97.2% |
| Lovex S070 | <<locked>> | 80% | 36,999 psi | 59% | 2441 fps | 95.4% |
| Lovex S070 | <<locked>> | 80% | 36,956 psi | 59% | 2438 fps | 95.4% |
| Lovex S071 | <<locked>> | 94% | 35,099 psi | 56% | 2438 fps | 95.7% |
| Lovex S071 | <<locked>> | 94% | 35,070 psi | 56% | 2438 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 51,198 psi | 82% | 2657 fps | 100% |
| Norma 201 | <<locked>> | 80% | 51,140 psi | 82% | 2657 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,938 psi | 83% | 2657 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,895 psi | 83% | 2657 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,340 psi | 76% | 2648 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,297 psi | 76% | 2648 fps | 100% |
| Norma 204 | <<locked>> | 88% | 45,469 psi | 73% | 2648 fps | 95.7% |
| Norma 204 | <<locked>> | 88% | 45,701 psi | 73% | 2651 fps | 95.8% |
| Norma MRP | <<locked>> | 90% | 38,203 psi | 61% | 2595 fps | 95.4% |
| Norma MRP | <<locked>> | 90% | 38,189 psi | 61% | 2595 fps | 95.4% |
| Norma URP | <<locked>> | 80% | 35,447 psi | 57% | 2457 fps | 97.4% |
| Norma URP | <<locked>> | 80% | 35,404 psi | 57% | 2454 fps | 97.4% |
| Ramshot Big Game | <<locked>> | 80% | 47,282 psi | 76% | 2664 fps | 100% |
| Ramshot Big Game | <<locked>> | 80% | 47,485 psi | 76% | 2671 fps | 100% |
| Ramshot Hunter | <<locked>> | 80% | 34,316 psi | 55% | 2441 fps | 95.2% |
| Ramshot Hunter | <<locked>> | 80% | 34,301 psi | 55% | 2438 fps | 95.2% |
| Ramshot Magnum | <<locked>> | 98% | 41,278 psi | 66% | 2615 fps | 95.5% |
| Ramshot Magnum | <<locked>> | 98% | 41,249 psi | 66% | 2615 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,572 psi | 44% | 1555 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,543 psi | 44% | 1555 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,426 psi | 73% | 2595 fps | 98.1% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,643 psi | 73% | 2598 fps | 98.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,561 psi | 83% | 2772 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,488 psi | 83% | 2772 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,684 psi | 67% | 2644 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,640 psi | 67% | 2644 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,186 psi | 56% | 2477 fps | 97.2% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 35,157 psi | 56% | 2474 fps | 97.2% |
| ReloadSwiss RS 70 | 46.9 gr | 80% | 34,272 psi | 55% | 2474 fps | 96.3% |
| ReloadSwiss RS 70 | 46.9 gr | 80% | 34,476 psi | 55% | 2480 fps | 96.4% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 38,072 psi | 61% | 2618 fps | 95% |
| Rottweil R 902 | <<locked>> | 80% | 48,834 psi | 78% | 2612 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 48,776 psi | 78% | 2612 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,409 psi | 68% | 2552 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 42,380 psi | 68% | 2552 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 94% | 49,501 psi | 79% | 2687 fps | 95.7% |
| Rottweil R 904 | <<locked>> | 94% | 49,748 psi | 80% | 2694 fps | 95.7% |
| Rottweil R 905 | <<locked>> | 92% | 43,424 psi | 70% | 2635 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 92% | 43,352 psi | 70% | 2635 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 39,900 psi | 64% | 2480 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 39,885 psi | 64% | 2477 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,725 psi | 62% | 2461 fps | 97.2% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,682 psi | 62% | 2461 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,475 psi | 84% | 2687 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,431 psi | 84% | 2687 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,050 psi | 75% | 2602 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,036 psi | 75% | 2602 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 36,999 psi | 59% | 2441 fps | 95.4% |
| Shooters World SW4350 | <<locked>> | 80% | 36,956 psi | 59% | 2438 fps | 95.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,381 psi | 70% | 2602 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,366 psi | 70% | 2602 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,792 psi | 81% | 2684 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,749 psi | 81% | 2684 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,185 psi | 84% | 2595 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,112 psi | 84% | 2595 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,990 psi | 71% | 2470 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,932 psi | 70% | 2470 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 38,000 psi | 61% | 2408 fps | 95.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,971 psi | 61% | 2408 fps | 95.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 43,018 psi | 69% | 2628 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 43,004 psi | 69% | 2628 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 51,779 psi | 83% | 2592 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 51,735 psi | 83% | 2592 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 42,786 psi | 69% | 2549 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 42,743 psi | 69% | 2549 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 50,952 psi | 82% | 2680 fps | 95.1% |
| Somchem S361 | <<locked>> | 94% | 51,184 psi | 82% | 2687 fps | 95.1% |
| Somchem S365 | <<locked>> | 80% | 31,850 psi | 51% | 2411 fps | 99.2% |
| Somchem S365 | <<locked>> | 80% | 31,995 psi | 51% | 2418 fps | 99.3% |
| Somchem S385 | <<locked>> | 88% | 38,711 psi | 62% | 2510 fps | 95.1% |
| Somchem S385 | <<locked>> | 88% | 38,667 psi | 62% | 2510 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 80% | 52,692 psi | 84% | 2579 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 52,620 psi | 84% | 2579 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,994 psi | 79% | 2582 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,950 psi | 78% | 2579 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,168 psi | 79% | 2592 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 49,139 psi | 79% | 2592 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,828 psi | 65% | 2484 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,814 psi | 65% | 2487 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,854 psi | 59% | 2457 fps | 97.8% |
| Vihtavuori N160 | <<locked>> | 80% | 36,811 psi | 59% | 2457 fps | 97.8% |
| Vihtavuori N165 | <<locked>> | 94% | 40,640 psi | 65% | 2543 fps | 95.2% |
| Vihtavuori N165 | <<locked>> | 94% | 40,596 psi | 65% | 2539 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 47,355 psi | 76% | 2585 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 47,587 psi | 76% | 2589 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,201 psi | 58% | 2454 fps | 97.4% |
| Vihtavuori N550 | <<locked>> | 80% | 36,405 psi | 58% | 2461 fps | 97.5% |
| Vihtavuori N555 | <<locked>> | 80% | 27,717 psi | 44% | 2303 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 80% | 27,702 psi | 44% | 2303 fps | 95.2% |
| Vihtavuori N560 | <<locked>> | 98% | 50,763 psi | 81% | 2822 fps | 95.5% |
| Vihtavuori N560 | <<locked>> | 98% | 50,734 psi | 81% | 2822 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,013 psi | 58% | 2428 fps | 99.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,955 psi | 58% | 2428 fps | 99.3% |
| Winchester 760 | <<locked>> | 80% | 37,637 psi | 60% | 2507 fps | 95.5% |
| Winchester 760 | <<locked>> | 80% | 37,608 psi | 60% | 2507 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 84% | 25,570 psi | 41% | 2306 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 84% | 25,556 psi | 41% | 2306 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,850 psi | 82% | 2694 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,792 psi | 81% | 2694 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 43,482 psi | 70% | 2598 fps | 95.3% |
| Winchester Supreme 780 | <<locked>> | 94% | 43,714 psi | 70% | 2602 fps | 95.4% |
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 201 powders for .270 Win. loaded with the .277 | 150gr | Nosler Partition. Alliant Reloder-26 delivers the highest muzzle velocity at 2,943 fps; across all powders the maximum-charge window runs from 1,699 fps to 2,943 fps. Accurate 3100 gives the best case fill at 100 %, and 201 of the 201 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 150.0 gr projectile in 0.277" calls for a 1:11.0 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. Hodgdon H4350, Alliant Reloder-16, ReloadSwiss RS 70 rank at the top here: for .270 Win. with the .277 | 150gr | Nosler Partition 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.