Load data for .280 Ackley Improved + 160gr Nosler Partition
The most recommended powders for this combination are Hodgdon H4831 SC.
Based on SAAMI, the max. allowed case length is 2.525 in / 64.14 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.525 in / 64.14 mm, the max. cartridge length is 3.330 in / 84.58 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 160gr | Partition
Cartridge:.280 Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.480" | 12.2 mm
Case Capacity:74 gow | 4.80 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.5
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Community Loads for .280 Ackley Improved + 160gr Nosler Partition
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 55.0 gr | 3.330" | 26.0" | 2713 fps | ••• | |
| 57.0 gr | 3.330" | 26.0" | 2803 fps | ••• | |
| 59.0 gr | 3.330" | 26.0" | 2891 fps | ••• | |
| ••• | 3.330" | 26.0" | 2695 fps | ••• | |
| ••• | 3.330" | 26.0" | 2787 fps | ••• | |
| ••• | 3.330" | 26.0" | 2880 fps | ••• | |
| ••• | 3.330" | 26.0" | 2643 fps | ••• | |
| ••• | 3.330" | 26.0" | 2726 fps | ••• | |
| ••• | 3.330" | 26.0" | 2809 fps | ••• | |
| ••• | 3.330" | 26.0" | 2704 fps | ••• | |
| ••• | 3.330" | 26.0" | 2795 fps | ••• | |
| ••• | 3.330" | 26.0" | 2637 fps | ••• | |
| ••• | 3.330" | 26.0" | 2723 fps | ••• | |
| ••• | 3.330" | 26.0" | 2807 fps | ••• | |
| ••• | 3.330" | 26.0" | 2714 fps | ••• | |
| ••• | 3.330" | 26.0" | 2798 fps | ••• | |
| ••• | 3.330" | 26.0" | 2878 fps | ••• | |
| ••• | 3.330" | 26.0" | 2756 fps | ••• | |
| ••• | 3.330" | 26.0" | 2849 fps | ••• | |
| ••• | 3.330" | 26.0" | 2729 fps | ••• | |
| ••• | 3.330" | 26.0" | 2825 fps | ••• | |
| ••• | 3.330" | 26.0" | 2919 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.