Hornady Custom® Rifle .300 Blackout 135gr FlexTip ammo is a performance-enhanced centerfire rifle cartridge, specifically engineered for defensive shooting applications. Trusted by civilian and law enforcement shooters across the country, this ammo features a patented FlexTip® bullet, designed to pass through thick clothing and other soft barriers for deep penetration, devastating expansion, and superior stopping power on would-be assailants and intruders. Select brass casings ensure optimal performance with smooth feeding, consistent ejection, and increased visibility in low-light environments, while clean-burning powders and low-flash propellants offer smooth and consistent operation in any target-rich environment. Made in USA.