Hornady Subsonic .300 AAC Blackout 190 gr Sub-X – 20 rd

Hornady Subsonic .300 AAC Blackout ammunition is built around the 190 grain Sub‑X (Subsonic eXpanding) bullet to deliver reliable expansion and consistent accuracy at subsonic velocities. The Sub‑X bullet uses a flat profile, long jacket grooves and a Flex Tip insert to promote controlled expansion at reduced speeds. This 20‑round box is intended for use in modern sporting rifles where quieter, low‑velocity performance is required.

Key Specifications

• The cartridge is .300 AAC Blackout.
• The bullet weight is 190 grains.
• The bullet type is Sub‑X (Subsonic eXpanding) / jacketed hollow point.
• The muzzle velocity is approximately 1050 fps.
• The ballistic coefficient (G1) is .437.
• Each box contains 20 rounds.
• Boxes per case are 10, for 200 rounds per case.
• The cartridge case material is brass.
• This load is not reloadable.

Designed for shooters who prioritize predictable, low‑velocity performance, Hornady's Subsonic .300 AAC Blackout 190 gr Sub‑X offers a balance of reduced report, controlled expansion, and accuracy in a modern sporting rifle platform. Whether used for training or applications that benefit from quieter shooting characteristics, this load provides consistent performance and reliable feeding in compatible firearms.