Silent and Stealthy: Hornady® Subsonic Ammunition doesn’t have the loud report of a supersonic round, and paired with a suppressor, it’s even quieter.Impact velocity of 1,020 fps into ballistic gelatin provides 16-18” penetration and 90%+ weight retention. Proven Performance:Performance of 300 Blackout Subsonic meets or exceeds FBI Protocol terminal ballistic test requirements.The Sub-X™ features a lead core and a cannelure for a positive case crimp for use in semi-automatics. Sub-X Bullet Technology:In addition to its patented Flex Tip®, long grooves in the gilding metal jacket of the 190 gr Sub-X™ combine with the bullet’s flat profile to ensure expansion. Accuracy was good, with the best group of the day measuring at under a half-inch and an average of three three-shot groups right at an inch.Performance of the Hornady® 300 Blackout Subsonic load meets or exceeds FBI Protocol terminal ballistic test requirements. 300 Blk 190 Grain SUB-X Rifle Ammunition features a lead core, gilding metal jacket and Flex Tip insert inside the hollow-point cavity to ensure exceptional expansion at speeds as. 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. The new 190 gr Sub-X™ (Subsonic – eXpanding) bullet features a lead core.

Hornady® 300 Blackout Subsonic Ammunition is designed for accuracy and performance below the speed of sound.

Hornady subsonic .300 blk