WMD Guns 9mm NiB-X Nickel Boron Bolt Carrier Group - Polished

Manufactured by WMD Guns
Manufactured by WMD Guns
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The WMD Guns 9mm NiB-X Bolt Carrier Group is a high-performance upgrade for your AR-15 pistol. Its heavy-duty 8620 steel carrier, NiB-X coated for wear resistance and easy cleaning, cycles flawlessly with Glock magazines. The gas key, hardened and staked to military specs, ensures reliable operation even under extreme conditions. Made in the USA, this polished BCG delivers smooth cycling, reduced friction, and superior durability for your 9mm AR build.


  • Heavy-weight 8620 bolt carrier
  • Heat treated and case hardened for strength
  • Gas key is staked to USGI specs
  • Grade 8 fasteners
  • NiB-X Nickel Boron coating
  • Compatible with GLOCK magazines
  • Made in the USA
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BrandWMD Guns
Caliber Gauge9mm Luger
Carrier FinishNickel Boron
Carrier Material8620 Carpenter Steel
Carrier StyleAR-15 Bolt Carrier
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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