Hornady Sub-X Subsonic Rifle Ammunition

Hornady Subsonic Ammunition is designed for accuracy and performance below the speed of sound. The Sub-X 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 hollowpoint cavity to help it expand reliably at low velocities.Powders are selected for optimal performance and consistency from lot to lot.Purposefully designed for hard-hitting subsonic performance, the 338 ARC delivers 1.5 times more energy than the 300 Blackout Subsonic. Engineered for consistent pressure, the 338 ARC provides consistent and reliable cycling with subsonic loads. Featuring the 307 gr. SUB-X bullet; the 338 ARC represents the ultimate 338 cartridge that fits in an AR 15 or micro-bolt action.Rifle manufacturers include: Aero Precision, CMMG, PROOF Research, Seekins Precision, Stag Arms, and others.