Trophy Grade Long Range ammunition is designed for hunters and shooters looking for high-performance ammunition loaded with an ultra-high bonded-core bullet. Manufactured to Nosler’s strict quality standards this Trophy Grade ammunition uses Nosler brass and Nosler AccuBond Long Range bullets to attain optimum performance. – Caliber: 280 Ackley Improved – Bullet Type: AccuBond Long Range – Bullet Weight: 150 gr – Muzzle Energy: 2858 ft / lbs – Muzzle Velocity: 2930 fps – Rounds Per Box: 20