Load data for .280 Ackley Improved + 175gr Nosler Partition
The most recommended powders for this combination are IMR 7828 SSC.
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 | 175gr | Partition
Cartridge:.280 Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.570" | 14.5 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:1:10.5
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Community Loads for .280 Ackley Improved + 175gr 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) |
|---|---|---|---|---|---|
| 51.5 gr | 3.330" | 24.0" | 2444 fps | ••• | |
| 53.5 gr | 3.330" | 24.0" | 2528 fps | ••• | |
| 55.5 gr | 3.330" | 24.0" | 2609 fps | ••• | |
| ••• | 3.330" | 24.0" | 2542 fps | ••• | |
| ••• | 3.330" | 24.0" | 2632 fps | ••• | |
| ••• | 3.330" | 24.0" | 2722 fps | ••• | |
| ••• | 3.330" | 24.0" | 2467 fps | ••• | |
| ••• | 3.330" | 24.0" | 2560 fps | ••• | |
| ••• | 3.330" | 24.0" | 2654 fps | ••• | |
| ••• | 3.330" | 24.0" | 2394 fps | ••• | |
| ••• | 3.330" | 24.0" | 2482 fps | ••• | |
| ••• | 3.330" | 24.0" | 2573 fps | ••• | |
| ••• | 3.330" | 24.0" | 2455 fps | ••• | |
| ••• | 3.330" | 24.0" | 2540 fps | ••• | |
| ••• | 3.330" | 24.0" | 2510 fps | ••• | |
| ••• | 3.330" | 24.0" | 2592 fps | ••• | |
| ••• | 3.330" | 24.0" | 2671 fps | ••• | |
| ••• | 3.330" | 24.0" | 2507 fps | ••• | |
| ••• | 3.330" | 24.0" | 2600 fps | ••• | |
| ••• | 3.330" | 24.0" | 2694 fps | ••• | |
| ••• | 3.330" | 24.0" | 2462 fps | ••• | |
| ••• | 3.330" | 24.0" | 2547 fps | ••• | |
| ••• | 3.330" | 24.0" | 2636 fps | ••• | |
| ••• | 3.330" | 24.0" | 2488 fps | ••• | |
| ••• | 3.330" | 24.0" | 2579 fps | ••• | |
| ••• | 3.330" | 24.0" | 2670 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.