AR-STONER Bolt Carrier Group AR-15 12.7x42mm Matte

  • Product #: 251787
  • AR-Stoner #: BCG-12.7X42
AR-STONER Bolt Carrier Group AR-15 12.7x42mm Matte
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Made in USA

Product Overview

1 Year MidwayUSA Exclusive Brand Warranty

MidwayUSA Exclusive Brand Warranty


  •     Chambered for 12.7x42mm
  •     Machined to Mil-Spec Standards
  •     Properly Staked Gas Key
  •     Drop-In Ready
  •     Black Nitrite Finish Carrier
  •     Parkerized Finish Bolt

The AR-STONER™ 12.7x42mm Bolt Carrier Group is a great option for your next AR-15 build. Chambered in the highly effective 12.7x42mm , this BCG is machined to strict military standards. State of the art magnetic particle testing ensures the assembly is free of imperfections and will function flawlessly. Featuring a staked gas key, the AR-STONER™ Bolt Carrier Group is drop-in ready.

Note: Upon installation, headspace should be verified by a qualified gunsmith. 

Made In United States of America
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Product Information

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Delivery Information

Must Ship to FFL Dealer Yes
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Ships Alone Yes
Oversized Yes
DOT- Regulated Yes
Carrier Restrictions
  • Cannot ship via air
  • Cannot ship via USPS
  • Cannot ship to PO Box
  • Must ship to Contiguous US
HazMat Product Yes

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