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F-1 Firearms DuraBolt Low Mass .223 / 5.56 NATO Bolt and Carrier Group for AR-15 Rifle (Color: Black DLC)

ID: 90941 (Part-DB-556-LM-DLC)
F-1 Firearms LLC859188909410DB-556-LM-DLC90941
F-1 Firearms DuraBolt Low Mass .223 / 5.56 NATO Bolt and Carrier Group for AR-15 Rifle (Color: Black DLC)
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F-1 Firearms LLC


MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Non-Export ItemShips Inside USA Only
This is an export-restricted item and can only be shipped within the United States. No international delivery for these items.
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Free shipping within lower 48 US states, no coupon code needed!


  • Steel construction
  • Made in the USA
  • Carpenter 158 bolt, ground after heat treat, MPI and HPT
  • 8620 steel carrier, ground after heat treat
  • For rifles chambered in .223/5.56mm
  • Full auto rated M16/M4 bolt carrier group
  • High lubrosity
  • Corrosion resistant finish

Color: Black DLC

The F-1 Firearms Low Mass DuraBolt Black direct impingement full auto rated M16/M4 bolt carrier group, is known for less reciprocating mass contributing to a less felt recoil. For use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components.

Compatibility: AR15 style rifles chambered in .223/5.56mm
Material: Steel

Manufacturer: F-1 Firearms

About F-1 Firearms LLC

F-1 Firearms was incorporated in 2012 and was seeded by our founders decade old highly successful Information Technology Company. Our technological expertise and team strive to be the best in the gun manufacturing industry and this gives us our competitive edge. Together, we take great pride in bringing advancements through modern weapons design and features into semi-automatic and automatic rifle systems.Our Companys advanced weapons manufacturing facility is state of the art and we have assembled a top-notch team of experienced designers and machinists to ensure we manufacture and provide the finest 100% American Made weapons and parts around. We also take great pride in employing U.S. Veterans from all facets of the United States Military. With our 100% product warranty we hope to have your business for life.

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