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

Subsonic Ammo | Fenix Ammo

Subsonic ammo from Fenix is not downloaded or tricked into being quiet. It is naturally subsonic by bullet weight. On the pistol side: 9mm 147gr at 890 and 900 FPS, .40 S&W 180gr, and .45 ACP 230gr, all full performance loads under the sound barrier. On the rifle side: the .300 Blackout 190gr Sub-X with an expanding Hornady projectile, and the 220gr FMJ, both at 1,000 FPS.

7 products
.300 Blackout 190gr FXP Subsonic (100 ct.)
.300 Blackout 190gr FXP Subsonic (100 ct.)
$134.00
.300 Blackout 220gr FMJ (Subsonic) (100 ct.)
.300 Blackout 220gr FMJ (Subsonic) (100 ct.)
$108.75
.45 ACP 230gr FMJ (250 ct.)
.45 ACP 230gr FMJ (250 ct.)
$90.00
.45 ACP 230gr FXP (Hollowpoint) (100 ct.)
.45 ACP 230gr FXP (Hollowpoint) (100 ct.)
$85.00
9mm 147gr Match Grade (250 ct.)
9mm 147gr Match Grade (250 ct.)
$95.00
.40 S&W 180gr FMJ (250 ct.)
.40 S&W 180gr FMJ (250 ct.)
$86.25 Sold out
9mm 147gr FMJ (250 ct.)
9mm 147gr FMJ (250 ct.)
$72.00 Sold out

Naturally Subsonic, Fully Powered

Heavy for caliber bullets stay under roughly 1,125 FPS at full standard pressure. No reduced loads, no cycling compromises. Behind a suppressor that means no supersonic crack, just the action working. It is why every load here is called a perfect choice for silencers and suppressors on its own product page.

Quiet for Pistols and Rifles Alike

Suppressed 9mm hosts run the 147gr family, and the Match Grade even pulls double duty on match day. The .40 and .45 heavyweights are subsonic by nature. The Blackout pair splits the rifle job: 220gr FMJ for cheap quiet volume, 190gr Sub-X when the quiet round also has to expand.

Frequently Asked Questions

What makes ammo subsonic?

Staying under the speed of sound, about 1,125 FPS. Our subsonics get there with heavy bullets at full pressure, not weak loads.

Do I need a suppressor to shoot subsonic ammo?

No. It shoots fine unsuppressed; you just hear the full report. The quiet payoff shows up behind a can.

Which subsonic loads does Fenix make?

9mm 147gr FMJ and Match Grade, .40 180gr, .45 230gr, and .300 Blackout 190gr Sub-X and 220gr FMJ.