Monolithic Copper Alloy Bullet: One-piece copper alloy won't separate and delivers devastating terminal performance, deep penetration, and 95% weight retention; Heat Shield Tip: Made of a heat resistant polymer that resists aerodynamic heating and provides a consistently high BC for the bullet's entire flight path; Optimum Groove Geometry: The grooves on the CX bullet maximize aerodynamic performance while effectively reducing bearing surface and fouling; Nontraditional Option For Large Game: Fully California compatible and appropriate for use in other areas that require nontraditional bullets, CX provides a great option for everything from medium-size to large game