Short for �Super Shock Tip,� the Hornady� SST� is designed to deliver tremendous shock on impact while expanding quickly and reliably, particularly at higher velocities. Flat shooting and deadly accurate, it�s an ideal bullet for fallow deer, as well as most Australian game animals from pigs to Sambar deer and similar-sized African plains game. Perfect for classic behind-the-shoulder and other soft tissue shots, the SST� creates a devastatingly large wound channel. Features: � Streamlined for ultra-flat trajectories. � Polymer tip for rapid expansion and maximum energy transfer. � Match-grade jacket delivers surgical accuracy. � Heavy construction with InterLock� feature delivers deep penetration every time.