Weatherby .280 Ackley Improved 139gr Hammer Bullet

Weatherby Select Plus .280 Ackley Improved

The .280 Ackley Improved represents the evolution of precision rifle cartridge design. Developed by wildcatter P.O. Ackley, this cartridge improves upon the .280 Remington by increasing the shoulder angle to 40 degrees, which boosts powder capacity and delivers superior ballistics.

Hammer Bullet Technology

Weatherby pairs this proven cartridge with Hammer Bullets—precision projectiles manufactured on CNC lathes from a unique solid copper blend. Each bullet is individually weighed and micrometer-measured during production, ensuring exceptional consistency and quality control.

Performance Features

• Velocity: 3,050 feet per second for flat trajectory and extended range
• Bullet Design: Hollow point construction initiates rapid expansion upon impact
• Terminal Performance: Petals shed immediately upon impact while the bullet's blunt front creates an optimal wound channel
• Consistency: Precision manufacturing delivers shot-to-shot reliability

The Right Choice

Weatherby Select Plus ammunition combines the flat-shooting characteristics Weatherby is known for with bullets engineered specifically for these magnum cartridges. Whether you're hunting or pursuing precision shooting, this ammunition delivers the velocity, accuracy, and terminal performance serious shooters demand.

Contents: 20 rounds per box