AR-15 Bolt Assembly

Our brand new, MIL-SPEC AR-15 bolt assembly is guaranteed to fit in your MIL-SPEC AR-15 while offering optimal performance. Each features a Teflon®-based coating designed to eliminate bind on bearing surface, which has been shown to eliminate reliability issues. Additionally, they are machined to strict tolerances with the intent to provide a drop-in fit with no gunsmithing required.

In stock

SKU N8448509



  • AR-15 Bolt Assembly
  • MPI - Magnetic Particle Inspected
  • Shot Peened
  • Made from 9130 Steel
  • Includes Bolt, Extractor Assembly, Ejector Assembly, and Gas Rings
  • Made in the USA

More Information

Brand United Defense LLC
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Customer Reviews

Good Bolt at a Good Price
Review by NM
Verified Buyer
I've ran this bolt for several hundred rounds in a couple different bolt carriers with no issues. It is a good mil-spec bolt assembly and a good value. Combine this with a bolt carrier and firing pin and you have a nice budget BCG. Would buy again.

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