Load data for .280 Ackley Improved + 175gr Swift A-Frame
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 | A-Frame
Cartridge:.280 Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.635" | 16.1 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 Swift A-Frame
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) |
|---|---|---|---|---|---|
| 58.0 gr | 3.270" | 24.0" | 2638 fps | ••• | |
| 63.7 gr | 3.270" | 24.0" | 2903 fps | ••• | |
| 55.5 gr | 3.270" | 24.0" | 2418 fps | ••• | |
| ••• | 3.270" | 24.0" | 2584 fps | ••• | |
| ••• | 3.270" | 24.0" | 2502 fps | ••• | |
| ••• | 3.270" | 24.0" | 2631 fps | ••• | |
| ••• | 3.270" | 24.0" | 2436 fps | ••• | |
| ••• | 3.270" | 24.0" | 2593 fps | ••• | |
| ••• | 3.270" | 24.0" | 2494 fps | ••• | |
| ••• | 3.270" | 24.0" | 2621 fps | ••• | |
| ••• | 3.270" | 24.0" | 2581 fps | ••• | |
| ••• | 3.270" | 24.0" | 2757 fps | ••• | |
| ••• | 3.270" | 24.0" | 2562 fps | ••• | |
| ••• | 3.270" | 24.0" | 2755 fps | ••• | |
| ••• | 3.270" | 24.0" | 2514 fps | ••• | |
| ••• | 3.270" | 24.0" | 2653 fps | ••• | |
| ••• | 3.270" | 24.0" | 2595 fps | ••• | |
| ••• | 3.270" | 24.0" | 2730 fps | ••• | |
| ••• | 3.270" | 24.0" | 2597 fps | ••• | |
| ••• | 3.270" | 24.0" | 2730 fps | ••• | |
| ••• | 3.270" | 24.0" | 2614 fps | ••• | |
| ••• | 3.270" | 24.0" | 2768 fps | ••• | |
| ••• | 3.270" | 24.0" | 2484 fps | ••• | |
| ••• | 3.270" | 24.0" | 2646 fps | ••• | |
| ••• | 3.270" | 24.0" | 2499 fps | ••• | |
| ••• | 3.270" | 24.0" | 2664 fps | ••• | |
| ••• | 3.270" | 24.0" | 2545 fps | ••• | |
| ••• | 3.270" | 24.0" | 2807 fps | ••• | |
| ••• | 3.270" | 24.0" | 2566 fps | ••• | |
| ••• | 3.270" | 24.0" | 2795 fps | ••• | |
| ••• | 3.270" | 24.0" | 2663 fps | ••• | |
| ••• | 3.270" | 24.0" | 2848 fps | ••• | |
| ••• | 3.270" | 24.0" | 2445 fps | ••• | |
| ••• | 3.270" | 24.0" | 2590 fps | ••• | |
| ••• | 3.270" | 24.0" | 2502 fps | ••• | |
| ••• | 3.270" | 24.0" | 2691 fps | ••• | |
| ••• | 3.270" | 24.0" | 2922 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.