280 Rem Norma TipStrike 160gr Polymer Tip 2789 fps 20rdsNorma TipStrike . 280 Remington 160gr at 2,789 FPS. The polymer tipped TipStrike bullet initiates rapid expansion with a mechanical locking system to prevent core jacket separation, delivering catastrophic wound channels and deep penetration on deer, elk, and black bear. Premium Norma brass, non corrosive. 20 rounds per box. Caliber: . 280 Rem Bullet: 160gr TipStrike Velocity: 2,789 FPS 20 rounds Rapid expansion, mechanical core jacket lock, deep