The Hornady InterLock .308 caliber bullets deliver proven high performance for big game hunting with 180 grain round nose design and advanced InterLock technology for reliable expansion and weight retention.Hornady InterLock .308 Caliber (0.308'') Bullets180 grain round nose configuration100 bullets per boxTrademarked InterLock ring system locks core and jacket togetherOne-piece core and jacket design for controlled expansionOutstanding weight retention for deep penetrationPolymer tip for flat trajectory and fast performanceIdeal for big game hunting applications these bullets create massive wound channels while maintaining structural integrity during expansion ensuring reliable performance on even the toughest game.