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FMK Firearms AR1 eXtreme Multi-Caliber AR-15 Stripped Polymer Lower Receiver, Blue Jay

Item # WX2-707825

Mfg. Number: FMKGAR1ETB

UPC: 850979005649

Item currently sold out

Item currently sold out

Details & Specs

By far the strongest composite polymer Lower on the market today—and still just 4.3 ounces. The AR1 eXtreme Stripped Lower is made from state-of-the-art proprietary polymer…which delivers superior strength and unmatched durability to withstand extreme conditions. When most lowers dent or break, the AR1 eXtreme bounces back to shape.

Even better, it accepts all standard mil-spec uppers up to .50 Beowulf—so you have plenty of options for your next build. It's also compatible with most current AR-15 parts kits, grips and stocks. The AR1 eXtreme comes with a lifetime warranty, and, of course, it’s proudly American-made.

  • Multi-caliber, accepts all standard mil-spec uppers up to .50 Beowulf
  • Made from high-impact composite polymer
  • Compatible with most current AR-15 lower parts kits, grips and stocks
  • Blue Jay color adds a little color to your build
  • 100% USA-made
  • Backed by an unconditonal manufacturer's lifetime warranty
  • Custom engraved with "The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants."

Order today!

Key Specifications
  • Item Number: 707825
  • Caliber: Multi-cal
  • Material: High-impact composite polymer
  • Color: Blue Jay
  • Mfg. Number: FMKGAR1ETB
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