Load data for .280 Ackley Improved + 150gr Barnes TTSX BT
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 | TTSX BT
Cartridge:.280 Ackley Improved load data
Case Length (L3):2.540" | 64.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.521" | 13.2 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
Get PRO license to unlock all data and calculators
Community Loads for .280 Ackley Improved + 150gr Barnes TTSX BT
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) |
|---|---|---|---|---|---|
| 54.1 gr | 3.270" | 24.0" | 2874 fps | ••• | |
| 57.1 gr | 3.270" | 24.0" | 2853 fps | ••• | |
| 61.7 gr | 3.348" | 24.0" | 2907 fps | ••• | |
| ••• | 3.270" | 24.0" | 2624 fps | ••• | |
| ••• | 3.270" | 24.0" | 2918 fps | ••• | |
| ••• | 3.270" | 24.0" | 2566 fps | ••• | |
| ••• | 3.270" | 24.0" | 2811 fps | ••• | |
| ••• | 3.270" | 24.0" | 2609 fps | ••• | |
| ••• | 3.270" | 24.0" | 2864 fps | ••• | |
| ••• | 3.270" | 24.0" | 2830 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.