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 Gold bullet and 100 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.
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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 84% | 56,144 psi | 90% | 2680 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 54,041 psi | 87% | 2697 fps | 98.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,995 psi | 82% | 2733 fps | 99.2% |
| Accurate 4064 | <<locked>> | 84% | 53,026 psi | 85% | 2687 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,316 psi | 85% | 2785 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 55,564 psi | 89% | 2759 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 53,301 psi | 85% | 2713 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 54,447 psi | 87% | 2825 fps | 97.8% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 51,851 psi | 83% | 2805 fps | 95.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 55,869 psi | 90% | 2884 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 54,433 psi | 87% | 2822 fps | 97.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,853 psi | 86% | 2736 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,186 psi | 87% | 2756 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 53,969 psi | 87% | 2838 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,288 psi | 89% | 2864 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,650 psi | 86% | 2812 fps | 97.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 50,386 psi | 81% | 2802 fps | 97.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,848 psi | 77% | 2753 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,800 psi | 67% | 2671 fps | 98.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 54,723 psi | 88% | 2940 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,376 psi | 89% | 2776 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 46,485 psi | 75% | 2733 fps | 96.3% |
| Bofors RP3 | <<locked>> | 86% | 54,636 psi | 88% | 2753 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 50,386 psi | 81% | 2802 fps | 97.3% |
| Bofors RP7 | <<locked>> | 90% | 54,273 psi | 87% | 2736 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 86% | 55,056 psi | 88% | 2769 fps | 99.9% |
| Hodgdon H414 | <<locked>> | 92% | 55,564 psi | 89% | 2835 fps | 99.2% |
| Hodgdon H4350 | <<locked>> | 90% | 55,521 psi | 89% | 2792 fps | 98.3% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 55,753 psi | 89% | 2815 fps | 96.2% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 54,433 psi | 87% | 2795 fps | 95.9% |
| Hodgdon H4895 | <<locked>> | 82% | 56,159 psi | 90% | 2766 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,114 psi | 87% | 2762 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 56,173 psi | 90% | 2802 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 55,506 psi | 89% | 2867 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,129 psi | 58% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 53,896 psi | 86% | 2720 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 56,144 psi | 90% | 2746 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 55,332 psi | 89% | 2726 fps | 99.1% |
| IMR 4350 | <<locked>> | 94% | 54,955 psi | 88% | 2766 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 90% | 55,912 psi | 90% | 2762 fps | 99.1% |
| IMR 4831 | <<locked>> | 94% | 53,592 psi | 86% | 2772 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 55,593 psi | 89% | 2785 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 54,085 psi | 87% | 2753 fps | 96% |
| Lovex D073.6 | <<locked>> | 82% | 56,028 psi | 90% | 2733 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,549 psi | 87% | 2687 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 56,289 psi | 90% | 2740 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 55,869 psi | 90% | 2759 fps | 99.8% |
| Lovex S070 | <<locked>> | 92% | 53,476 psi | 86% | 2746 fps | 99.1% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,279 psi | 68% | 2585 fps | 97.8% |
| Norma 201 | <<locked>> | 82% | 54,244 psi | 87% | 2703 fps | 100% |
| Norma 202 | <<locked>> | 82% | 55,085 psi | 88% | 2700 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,490 psi | 86% | 2743 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,463 psi | 89% | 2815 fps | 97.9% |
| Norma MRPᴾ | <<locked>> | 100% | 53,476 psi | 86% | 2887 fps | 99% |
| Norma URP | <<locked>> | 94% | 55,564 psi | 89% | 2822 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 54,070 psi | 87% | 2769 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 54,172 psi | 87% | 2818 fps | 99.5% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 44,077 psi | 71% | 2671 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,883 psi | 59% | 1739 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,158 psi | 88% | 2756 fps | 99.4% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 55,129 psi | 88% | 2825 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 54,694 psi | 88% | 2854 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 53,026 psi | 85% | 2805 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,259 psi | 89% | 2887 fps | 100% |
| Rottweil R 902 | <<locked>> | 84% | 54,839 psi | 88% | 2703 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,766 psi | 88% | 2749 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,115 psi | 90% | 2792 fps | 97% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 56,159 psi | 90% | 2848 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 90% | 54,273 psi | 87% | 2736 fps | 98.6% |
| Shooters World Long Rifle | <<locked>> | 92% | 55,869 psi | 90% | 2759 fps | 99.8% |
| Shooters World Match Rifle | <<locked>> | 82% | 56,028 psi | 90% | 2733 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 56,289 psi | 90% | 2740 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,476 psi | 86% | 2746 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,405 psi | 90% | 2808 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 54,070 psi | 87% | 2733 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,405 psi | 89% | 2638 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 56,101 psi | 90% | 2641 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,680 psi | 89% | 2713 fps | 99.1% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 55,651 psi | 89% | 2841 fps | 98.2% |
| Somchem S335 | <<locked>> | 82% | 54,810 psi | 88% | 2635 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 56,347 psi | 90% | 2749 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,592 psi | 88% | 2743 fps | 100% |
| Somchem S361 | <<locked>> | 96% | 54,360 psi | 87% | 2733 fps | 95.8% |
| Somchem S365 | <<locked>> | 96% | 54,636 psi | 88% | 2822 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,243 psi | 85% | 2769 fps | 98.5% |
| Vihtavuori N133 | <<locked>> | 82% | 55,840 psi | 90% | 2621 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 55,245 psi | 89% | 2664 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 55,521 psi | 89% | 2680 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 55,854 psi | 90% | 2717 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 54,360 psi | 87% | 2766 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 49,284 psi | 79% | 2694 fps | 97.4% |
| Vihtavuori N540 | <<locked>> | 84% | 53,693 psi | 86% | 2677 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 53,432 psi | 86% | 2769 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,461 psi | 86% | 2825 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 53,969 psi | 87% | 2877 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,838 psi | 86% | 2736 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 55,564 psi | 89% | 2835 fps | 99.2% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,902 psi | 69% | 2795 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 53,896 psi | 86% | 2736 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,432 psi | 86% | 2766 fps | 97.6% |
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% | 49,516 psi | 79% | 2589 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 47,340 psi | 76% | 2585 fps | 97.2% |
| Accurate 3100 | <<locked>> | 88% | 33,837 psi | 54% | 2408 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 46,920 psi | 75% | 2595 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,273 psi | 57% | 2454 fps | 97.5% |
| ADI AR 2206H | <<locked>> | 80% | 52,185 psi | 84% | 2707 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 44,295 psi | 71% | 2566 fps | 99.6% |
| ADI AR 2209 | <<locked>> | 92% | 44,773 psi | 72% | 2654 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 98% | 48,530 psi | 78% | 2746 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,675 psi | 78% | 2772 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 44,831 psi | 72% | 2654 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,686 psi | 72% | 2592 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,718 psi | 77% | 2654 fps | 99.9% |
| Alliant Reloder-16 | 42.7 gr | 80% | 34,809 psi | 56% | 2467 fps | 97.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,015 psi | 63% | 2585 fps | 99.7% |
| Alliant Reloder-19 | <<locked>> | 92% | 44,295 psi | 71% | 2648 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 96% | 44,208 psi | 71% | 2690 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 82% | 26,977 psi | 43% | 2277 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 94% | 34,592 psi | 55% | 2500 fps | 95.9% |
| Alliant Reloder-26 | 49.4 gr | 84% | 30,719 psi | 49% | 2441 fps | 95.1% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,735 psi | 83% | 2720 fps | 99.9% |
| Bofors RP15 | <<locked>> | 98% | 43,584 psi | 70% | 2677 fps | 95.4% |
| Bofors RP3 | <<locked>> | 80% | 44,875 psi | 72% | 2602 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 44,208 psi | 71% | 2690 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 39,711 psi | 64% | 2474 fps | 95.4% |
| Hodgdon H380 | <<locked>> | 80% | 45,411 psi | 73% | 2612 fps | 99.2% |
| Hodgdon H414 | <<locked>> | 80% | 37,202 psi | 60% | 2497 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 82% | 43,047 psi | 69% | 2575 fps | 95.6% |
| Hodgdon H4831 | <<locked>> | 98% | 52,156 psi | 84% | 2759 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 98% | 50,908 psi | 82% | 2740 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 52,736 psi | 85% | 2717 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,271 psi | 52% | 2365 fps | 98.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 49,414 psi | 79% | 2703 fps | 100% |
| Hodgdon Superformance | <<locked>> | 82% | 38,972 psi | 62% | 2566 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,180 psi | 44% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 50,560 psi | 81% | 2671 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 46,586 psi | 75% | 2598 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 48,820 psi | 78% | 2621 fps | 98.2% |
| IMR 4350 | <<locked>> | 84% | 40,103 psi | 64% | 2503 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 80% | 41,118 psi | 66% | 2507 fps | 96.3% |
| IMR 4831 | <<locked>> | 80% | 34,026 psi | 55% | 2411 fps | 97.2% |
| IMR 4895 | <<locked>> | 80% | 48,936 psi | 78% | 2680 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 50,792 psi | 81% | 2700 fps | 95.3% |
| Lovex D073.6 | <<locked>> | 80% | 52,199 psi | 84% | 2680 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,271 psi | 82% | 2635 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 46,789 psi | 75% | 2598 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,754 psi | 62% | 2461 fps | 97.2% |
| Lovex S070 | <<locked>> | 80% | 36,767 psi | 59% | 2434 fps | 95.3% |
| Lovex S071 | <<locked>> | 94% | 34,925 psi | 56% | 2434 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 51,184 psi | 82% | 2657 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,648 psi | 83% | 2654 fps | 100% |
| Norma 203B | <<locked>> | 80% | 47,065 psi | 75% | 2641 fps | 100% |
| Norma 204 | <<locked>> | 88% | 45,513 psi | 73% | 2648 fps | 95.7% |
| Norma MRP | <<locked>> | 90% | 38,029 psi | 61% | 2592 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 35,201 psi | 56% | 2451 fps | 97.4% |
| Ramshot Big Game | <<locked>> | 80% | 47,297 psi | 76% | 2664 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 80% | 34,142 psi | 55% | 2434 fps | 95.1% |
| Ramshot Magnum | <<locked>> | 98% | 40,915 psi | 66% | 2605 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,456 psi | 44% | 1552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,455 psi | 73% | 2595 fps | 98.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,242 psi | 82% | 2766 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,452 psi | 66% | 2638 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,969 psi | 56% | 2470 fps | 97.1% |
| ReloadSwiss RS 70 | 46.7 gr | 80% | 34,316 psi | 55% | 2474 fps | 96.2% |
| Rottweil R 902 | <<locked>> | 80% | 48,588 psi | 78% | 2608 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,148 psi | 68% | 2546 fps | 99.9% |
| Rottweil R 904 | <<locked>> | 94% | 49,298 psi | 79% | 2684 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 92% | 43,207 psi | 69% | 2628 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 39,711 psi | 64% | 2474 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,754 psi | 62% | 2461 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,199 psi | 84% | 2680 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,789 psi | 75% | 2598 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 36,767 psi | 59% | 2434 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,163 psi | 69% | 2595 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,546 psi | 81% | 2680 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,880 psi | 83% | 2592 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,743 psi | 70% | 2464 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,797 psi | 61% | 2402 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 42,801 psi | 69% | 2625 fps | 95.4% |
| Somchem S335 | <<locked>> | 80% | 51,822 psi | 83% | 2592 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,663 psi | 84% | 2697 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 42,757 psi | 69% | 2549 fps | 99.9% |
| Somchem S361 | <<locked>> | 94% | 50,807 psi | 81% | 2677 fps | 95% |
| Somchem S365 | <<locked>> | 80% | 31,821 psi | 51% | 2411 fps | 99.2% |
| Somchem S385 | <<locked>> | 88% | 38,508 psi | 62% | 2503 fps | 95% |
| Vihtavuori N133 | <<locked>> | 80% | 52,417 psi | 84% | 2575 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,660 psi | 78% | 2575 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,921 psi | 78% | 2589 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,596 psi | 65% | 2480 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,666 psi | 59% | 2451 fps | 97.7% |
| Vihtavuori N165 | <<locked>> | 94% | 40,451 psi | 65% | 2536 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 47,384 psi | 76% | 2585 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,216 psi | 58% | 2454 fps | 97.4% |
| Vihtavuori N555 | <<locked>> | 80% | 27,528 psi | 44% | 2297 fps | 95% |
| Vihtavuori N560 | <<locked>> | 98% | 50,575 psi | 81% | 2818 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,824 psi | 57% | 2425 fps | 99.3% |
| Winchester 760 | <<locked>> | 80% | 37,420 psi | 60% | 2503 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 84% | 25,411 psi | 41% | 2303 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 50,604 psi | 81% | 2687 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 43,308 psi | 69% | 2595 fps | 95.2% |
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 100 powders for .270 Win. loaded with the .277 | 150gr | Nosler Partition Gold. Alliant Reloder-26 delivers the highest muzzle velocity at 2,940 fps; across all powders the maximum-charge window runs from 1,696 fps to 2,940 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 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, ADI AR 2213, Alliant Reloder-22 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 70, Alliant Reloder-16, Alliant Reloder-26 rank at the top here: for .270 Win. with the .277 | 150gr | Nosler Partition Gold 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.