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300 AAC Blackout Subsonic 208 Grain Hornady A-MAX  20 Rounds

300 AAC Blackout Subsonic 208 Grain Hornady A-MAX 20 Rounds

Headwaters Ammunition

  • $26.99

Hornady has discontinued this bullet, so these are the last we have.  Get them before they are gone.

This product is for use with a pistol length gas system and suppressor.

300 AAC Blackout Subsonic features great accuracy and knockdown power from the Hornady 208 Grain A-MAX and is much quieter than your standard subsonic ammo,this round is perfect for AR-15s or bolt actions chambered in 300 AAC Blackout. 



Caliber: 300 AAC Blackout
Bullet Weight: 208 Grain
Bullet Style: A-MAX
Case Type: Remanufactured Brass
Velocity: 1007 fps (Subsonic)

Please note: The reduced pressures associated with subsonic ammunition can affect the proper cycling of gas operated firearms. Subsonic ammunition is best used with a suppressor. Suppressors create more back pressure and help achieve full cycling of the gas operated system. Due to Noveske's extremely tight tolerance match grade chambers, we will be unable to guarantee functionality of this product in those firearms. If you have questions in regard to this policy, please contact us at
We cannot guarantee proper cycling if not using a suppressor and a pistol gas system.

  • WARNING: You must be 18 years or older to purchase rifle or shotgun ammunition and 21 years or older to purchase handgun ammunition. All ammunition will be shipped UPS ground or Spee Dee Delivery. For safety reasons, we do not accept returns on ammunition. Always make sure you use the correct ammunition for your specific firearm. Check your local laws for any other regulations.

    ATTENTION: Residents of CA, CT, Del., District of Columbia, Ill, Mass, N.Y. and Ohio please check your local laws prior to ordering ammunition or ammunition components.

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