The Sierra MatchKing .30 caliber (.308 diameter) 155-grain HPBT Palma bullet is a precision-engineered projectile designed specifically for competitive long-range shooting. Known for its hollow point boat tail (HPBT) design, it offers excellent aerodynamic efficiency and consistent performance, making it a popular choice among Palma and fullbore shooters. Manufactured by Sierra Bullets, this MatchKing variant (product number 2156) is optimized for accuracy, featuring a carefully balanced jacket and core to ensure uniformity shot after shot. It is commonly used in reloading for rifles chambered in .308 Winchester, where precision and reliability are critical.