HSM Subsonic .308 Winchester ammunition is engineered for shooters who demand precision performance at suppressed velocities. Loaded with the proven 175-grain Sierra MatchKing HPBT, this cartridge delivers exceptional accuracy and consistency while remaining reliably subsonic. Designed specifically for suppressed rifles and precision shooting applications, this load provides the stability and quiet performance serious shooters expect from a purpose-built subsonic round. The 175-grain Sierra MatchKing HPBT is widely regarded as one of the most accurate .30-caliber projectiles ever produced. Its hollow point boat-tail design provides outstanding aerodynamic stability and uniform ballistic performance, making it an ideal projectile for precision subsonic applications. | HSM 308Win 175-Grain HPBT Match Subsonic Rifle Ammo 20 Rounds