Subsonic Ammo

This is a selection of subsonic ammo for a variety of calibers. While subsonic ammo on its own is still a fairly quiet load, when paired with a suppressor, these rounds can allow for very quiet plinking, especially if the firearm you use it properly configured. Suppressors or silencers are legal in the United States but do require a special tax stamp in order for most civilian shooters to own or purchase one. If you've gone through that process and are looking for subsonic ammo for sale to pair with your suppressed pistol or rifle, you've come to the right place!

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Recent Subsonic Ammo Reviews

  • ☆☆☆☆☆
    Federal's 9mm Syntech Defense has solved what has plagued frangible ammo in the past...lack of reliable penetration. Along with this testing, I've also personally tested it in calibrated, 10% gel (bare and clothed). -I've yet to have a failure. -The base always goes 18-20." -The three pieces that separate always uniformly "starburst" and achieve approx 8-9." Each round fired gives the shooter four separate wound tracks that achieve significant depth, with the base meeting any standard and a bit more. How this wouldn't be considered at the very top of personal defense ammo performance (glass aside) is beyond me.
    Todd B on 20rds – 9mm Federal Syntech Defense 138gr. SHP Ammo
  • ☆☆☆☆☆
    This ammo has been perfectly flawless in my wife's S&W Shield 380 EZ, a Ruger Security 380 & a Walther PD380. The 9mm has also been perfect in my 36 year old Sig P226.
    Mason on 1000rds - 380 Auto Federal American Eagle 95gr. FMJ Ammo
  • ☆☆☆☆☆
    This is now my go to ammo for shooting suppressed 22LR. It’s very clean compared to other run of the mill 22LR. Good velocity to ensure relatively normal cycling. My suppressor and gun stays much cleaner with this ammo so I can shoot more and clean less. It’s also well priced for what you get. Highly recommend.
    Super suppressed and super clean on 350rds – 22 LR Winchester Super Suppressed 45gr. CPRN Ammo
  • ☆☆☆☆☆
    I've shot 200 rounds of this and it performed flawlessly. It's a decent price, I plan to buy more.
    Brian S. on 300rds – 380 Auto Remington UMC 95gr. FMJ Ammo