Load data for .280 Ackley Improved + 140gr Barnes TSX 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 | 140gr | TSX BT
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 + 140gr Barnes TSX 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) |
|---|---|---|---|---|---|
| 54.6 gr | 3.235" | 24.0" | 2718 fps | ••• | |
| 60.6 gr | 3.235" | 24.0" | 3006 fps | ••• | |
| 57.0 gr | 3.235" | 24.0" | 2723 fps | ••• | |
| ••• | 3.235" | 24.0" | 3035 fps | ••• | |
| ••• | 3.235" | 24.0" | 2649 fps | ••• | |
| ••• | 3.235" | 24.0" | 2911 fps | ••• | |
| ••• | 3.235" | 24.0" | 2851 fps | ••• | |
| ••• | 3.235" | 24.0" | 3136 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.