Weatherby 280 Ackley Improved 139gr Hammer Custom Ammunition

Weatherby's 280 Ackley Improved 139gr Hammer Custom ammunition delivers precision-engineered performance for hunters and shooters running the 280 AI chambering. Loaded with Hammer Custom bullets designed for controlled expansion and deep penetration, this round combines the efficiency of the Ackley Improved case with modern monolithic projectile technology for clean, ethical harvests on medium to large game.

Factory-loaded by Weatherby to tight tolerances using premium brass and temperature-stable powders. Ideal for rifles chambered in 280 Ackley Improved, including Weatherby's own Vanguard and Mark V platforms as well as custom builds. Hammer bullets are copper monolithics that shed petals on impact while the shank penetrates straight and deep.

• Type: Centerfire Rifle Ammunition
• Caliber: 280 Ackley Improved
• Bullet Weight: 139 grains
• Bullet Type: Hammer Custom (copper monolithic)
• Manufacturer: Weatherby
• Use: Medium to large game hunting, precision shooting