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Bulk 300 AAC Blackout Subsonic 220 Grain Sierra MatchKing - 500 Rounds Packed in Ammo Can (Free Shipping)

Headwaters Ammunition

  • $424.99

Free Shipping! 300 AAC Blackout Subsonic features great accuracy and knockdown power from the 220gr Sierra MatchKing Bullet and is much quieter than your standard subsonic ammo, this round is perfect for AR-15s or bolt actions chambered in 300 AAC Blackout. A majority of the world's best shooters use only remanufactured or custom manufactured ammunition to achieve a level of consistency and optimal ballistics performance. Remanufactured ammunition is produced by carefully assembling selected components that include bullets, propellants, primers and once fired brass cartridge cases. 


Caliber: 300 AAC Blackout
Bullet Weight: 220 Grains
Bullet Style: Hollow Point Boat Tail Match
Case Type: Brass
Velocity: 1015 fps (Subsonic)
Packaged in Reusable Plastic Ammo Can

Quantity: 500 Rounds



This product is optimized for all Barrel lengths, utilizing a pistol length gas system.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. 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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