Silencerco Subsonic AC1211, 300 AAC Blackout, Sierra Matchking 220GR


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Warning: You must be 18 or older to purchase rifle or shotgun ammunition and 21 or older to purchase handgun ammunition. Maryland residents are required to be 21 years or older to purchase any ammunition. All ammunition will be shipped UPS or Fedex Ground and cannot be shipped to P.O. boxes. 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: Due to current circumstances, we are not shipping to the states of CA, MA, NY, or the District of Columbia. Residents of CT, IL, MD, and NJ please click here to check your state's specific purchasing requirements. For residents in all other states, please check your local laws for restrictions before ordering any ammunition products.

Orders received Monday through Friday will ship within 2 business days.

Product Description

Specially designed ammo to fire with less dB than the leading brands.

Specifications and Features:

  • Mfg Item Num: AC1211
  • Caliber: 300 AAC Blackout
  • Bullet Type: Sierra Matchking
  • Bullet Weight: 220 GR
  • Muzzle Energy:
  • Muzzle Velocity: 1029 fps
  • Rounds-box: 20 Rounds Per Box, 25 Boxes Per Case
  • Game Category:
  • Fragmentation:
  • Casing Material:
  • Penetration Factor:

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.