Hornady Subsonic Ammunition is designed for accuracy and performance below the speed of sound. The Sub-X (Subsonic - eXpanding) bullet features a lead core. Long grooves in its gilding metal jacket combine with the bullet's flat profile and the patented Flex Tip insert within its hollow-point cavity to help it expand reliably at low velocities. Performance of the Hornady Subsonic load meets or exceeds FBI Protocol terminal ballistic test requirements. The Sub- X bullet used in Subsonic Rifle features a lead core. Long grooves in its gilding metal jacket combine with the bullet's flat profile and the patented Flex Tip(R) insert within its hollowpoint cavity to help it expand reliably at low velocities. Powders are selected for optimal performance and consistency from lot to lot. FeaturesLoaded with unique powders optimized for subsonic use, the low flash signature is ideal for both suppressed and unsuppressed performanceBullets feature a cannelure for a positive case crimp for use in s...