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YHM has long been a manufacturer of quality AR-15 Upper Receivers and is very proud to offer our A3 Upper Receivers. These uppers were designed, and are MACHINED 100% IN HOUSE and are forged from 7075-T6 aluminum. Fit and function with your standard lower receiver.

  • Weight: 8.384 Oz.
  • Made from 7075-T6 aluminum (Forged)
  • M4 Style feed ramps and "T" Markings
  • Inside coated with dry film lube
  • Accepts Standard upper receiver parts (dust covers, forward assists, etc.)
  • Accepts Mil-Spec Lower receivers
  • Hardcoat Anodized matte black to Military Specifications or better
  • Forward assist
  • Dust cover assembly

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  • 5
    A3 upper receiver

    Posted by David Ledger on Mar 6th 2023

    Awesome YHM quality and finish. Great price everything is as expected.

  • 5
    Nice upper!

    Posted by Alex Quinn on Jul 14th 2021

    Great fit, great quality, so easy to install. Would buy again for my next build.

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