Hornady .308 30 Cal 175 Grain Sub-X Subsonic Projectiles 100 PackExperience unparalleled performance with Sub X (Subsonic eXpanding) bullets, engineered for maximum impact without the noise! Specifically crafted for deep penetration at subsonic speeds, Sub X boasts a lead core and distinct long grooves in its gilding metal jacket. Its flat profile, coupled with the patented Flex Tip insert within the bullets hollowpoint, ensures consistent expansion even at low velocities. Enhanced with cannelures for a secure case