Load data for .280 Ackley Improved + 150gr Swift Scirocco
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 | 150gr | Scirocco
Cartridge:.280 Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.595" | 15.1 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:1:9.5
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Community Loads for .280 Ackley Improved + 150gr Swift Scirocco
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) |
|---|---|---|---|---|---|
| 50.4 gr | 3.330" | 24.0" | 2804 fps | ••• | |
| 53.5 gr | 3.330" | 24.0" | 2817 fps | ••• | |
| 51.0 gr | 3.330" | 24.0" | 2836 fps | ••• | |
| ••• | 3.330" | 24.0" | 2859 fps | ••• | |
| ••• | 3.330" | 24.0" | 3016 fps | ••• | |
| ••• | 3.330" | 24.0" | 2659 fps | ••• | |
| ••• | 3.330" | 24.0" | 3006 fps | ••• | |
| ••• | 3.330" | 24.0" | 2714 fps | ••• | |
| ••• | 3.330" | 24.0" | 2710 fps | ••• | |
| ••• | 3.330" | 24.0" | 2541 fps | ••• | |
| ••• | 3.330" | 24.0" | 2729 fps | ••• | |
| ••• | 3.330" | 24.0" | 2570 fps | ••• | |
| ••• | 3.330" | 24.0" | 2760 fps | ••• | |
| ••• | 3.330" | 24.0" | 2681 fps | ••• | |
| ••• | 3.330" | 24.0" | 2874 fps | ••• | |
| ••• | 3.330" | 24.0" | 2544 fps | ••• | |
| ••• | 3.330" | 24.0" | 2706 fps | ••• | |
| ••• | 3.330" | 24.0" | 2613 fps | ••• | |
| ••• | 3.330" | 24.0" | 2757 fps | ••• | |
| ••• | 3.330" | 24.0" | 2686 fps | ••• | |
| ••• | 3.330" | 24.0" | 2901 fps | ••• | |
| ••• | 3.330" | 24.0" | 2668 fps | ••• | |
| ••• | 3.330" | 24.0" | 2815 fps | ••• | |
| ••• | 3.330" | 24.0" | 2720 fps | ••• | |
| ••• | 3.330" | 24.0" | 2884 fps | ••• | |
| ••• | 3.330" | 24.0" | 2636 fps | ••• | |
| ••• | 3.330" | 24.0" | 2857 fps | ••• | |
| ••• | 3.330" | 24.0" | 2765 fps | ••• | |
| ••• | 3.330" | 24.0" | 2749 fps | ••• | |
| ••• | 3.330" | 24.0" | 2918 fps | ••• | |
| ••• | 3.330" | 24.0" | 2546 fps | ••• | |
| ••• | 3.330" | 24.0" | 2797 fps | ••• | |
| ••• | 3.330" | 24.0" | 2597 fps | ••• | |
| ••• | 3.330" | 24.0" | 2755 fps | ••• | |
| ••• | 3.330" | 24.0" | 2850 fps | ••• | |
| ••• | 3.330" | 24.0" | 2922 fps | ••• | |
| ••• | 3.330" | 24.0" | 3095 fps | ••• | |
| ••• | 3.330" | 24.0" | 2667 fps | ••• | |
| ••• | 3.330" | 24.0" | 2909 fps | ••• | |
| ••• | 3.330" | 24.0" | 2584 fps | ••• | |
| ••• | 3.330" | 24.0" | 2884 fps | ••• | |
| ••• | 3.330" | 24.0" | 2681 fps | ••• | |
| ••• | 3.330" | 24.0" | 2774 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.