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Billet Lower Receiver (As seen on the Model-57)

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Product Features

YHM is proud to offer our first Billet Lower Receiver. We originally designed a Billet lower that mimicked a standard (forged) lower receiver, but after seeing the prototype production we decided to go with a receiver that was more stylized, something that didn't look like every other AR-15 on the planet. It was this mindset that helped us arrive at the MODEL-57, and in turn this lower receiver...

  • Weight: 11.2 Oz.


  • These lowers were designed, and are machined 100% in house from 7075-T6 aluminum (Billet)
  • Features over sized magazine well chamfers for easier magazine changes
  • Accepts All Generations of PMAG's
  • Accepts Mil-Spec Upper receivers
  • Built in oversized machined trigger guard
  • Fits all standard parts (except for a trigger guard)
  • Hardcoat Anodized matte black to Military Specifications or better
  • This lower still fits, and functions with your standard upper receivers
  • Tension Screw built into lower for unmatched mate with any Mil-Spec upper

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