ATTENTION - DUE TO DEMAND, CURRENT LEAD TIME ON 9MM & .223/5.56 FMJ IS APPROX. 3 DAYS

190 Grain 300 Blackout Ammo | Fenix Ammo

190 grain 300 Blackout ammo solves the subsonic problem: most quiet loads punch neat holes and do nothing else. The FXP Sub-X carries Hornady's Sub-X projectile, a lead core with a grooved jacket and Flex Tip insert engineered to expand at subsonic velocity, at 1,000 FPS. Whisper quiet behind a can, and still a serious payload on the receiving end. Sold in 100 round packages.

1 product
.300 Blackout 190gr FXP Subsonic (100 ct.)
.300 Blackout 190gr FXP Subsonic (100 ct.)
$134.00

An Expanding Subsonic Projectile

The Flex Tip in the hollow point cavity is what makes the Sub-X different: it initiates expansion at velocities where ordinary hollow points stay closed. That makes the 190gr the subsonic you keep loaded, while the 220gr FMJ handles the paper punching.

Tested in Real Short Rifles

This load has been tested in several rifles with barrel lengths from 8" to 10.5", with and without suppressors. Rifle setups vary widely, so you may need to adjust gas settings or swap buffer weights for best performance. Run one package through your rifle before you stock deep.

Frequently Asked Questions

What makes the Sub-X different from other subsonics?

It expands. Hornady's Flex Tip design initiates expansion at subsonic velocity, where standard projectiles stay closed.

How fast is the 190gr load?

1,000 FPS. Safely under the sound barrier, which is what keeps suppressed Blackout genuinely quiet.

Will it cycle my setup?

It is tested in 8" to 10.5" rifles, suppressed and unsuppressed. Setups vary. Be ready to adjust gas or buffer weight.