Load data for .280 Ackley Improved + 140gr Barnes TTSX BT

627 suitable loads across 109 powder(s) for cartridge .280 Ackley Improved with 140gr Barnes TTSX BT bullet.

The most recommended powders for this combination are ReloadSwiss RS 70, Hodgdon Superformance and Alliant Reloder-17.

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 | TTSX BT

Cartridge:.280 Ackley Improved load data

Case Length (L3):2.540" | 64.5 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.631" | 16.0 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:1:10.0

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Community Loads for .280 Ackley Improved + 140gr Barnes TTSX BT

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

54.6 gr	3.270"	24.0"	2721 fps	•••
60.6 gr	3.270"	24.0"	3028 fps	•••

57.0 gr	3.270"	24.0"	2727 fps	•••
•••	3.270"	24.0"	3060 fps	•••

•••	3.270"	24.0"	2664 fps	•••
•••	3.270"	24.0"	2919 fps	•••

•••	3.270"	24.0"	2650 fps	•••
•••	3.270"	24.0"	2931 fps	•••

•••	3.270"	24.0"	2871 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.