Hornady 300 Blackout Subsonic Ammunition is designed for accuracy and performance below the speed of sound. The new 190 gr 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 hollowpoint cavity to help it expand reliably at low velocities.
| Attribute | Value |
| Caliber | 300 AAC Blackout/Whisper (7.62x35mm) |
| Bullet Type | Sub-X |
| Bullet Weight | 190 GR |
| Muzzle Energy | 465 ft lbs |
| Muzzle Velocity | 1050 fps |
| Rounds Per Box | 20 |
| Boxes Per Case | 10 |
| Casing Material | Brass |
| Manufacturer Part Number | 80877 |
