FMK Firearms AR-1 Lower Burnt Bronze



The FMK AR-1 lower offers unmatched strength that is greatly durable, reliable, and lightweight. It is compatible with standard mil-spec components and uppers. Get this lower today for the best price online from us!


AR-1 Lower Features

Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the market today. The key to any good project is the foundation and on an AR15, that is the lower receiver. The Ar1 eXtreme comes with a lifetime warranty; and of course, it’s Proudly American.

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AR-1 Lower Specifications

  • Manufacturer: FMK Firearms
  • Manufacturer Part #: FMKGAR1EBRT
  • Model: AR-1
  • Action: Semi-automatic
  • Type: Stripped Lower Receiver
  • Caliber: 556NATO
  • Caliber: 223 Remington
  • Barrel Length: N/A
  • Color: Burnt Bronze
  • Finish: Matte

Additional Information


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