Flat Top Piston Upper Receiver

Product Code: FGAA-10131

Availability: Backorder

Flat Top Piston Upper Receiver


The Adams Arms Piston Upper Receiver comes with:

  • M4 Feed Ramps
  • Type III Hard Coat Anodyzing with a dry film lube
  • T Marked Picatinny Rails
  • Receiver hole has been cut to .180" eliminating the need for a receiver bushing
  • Cam Pin channel is cut to a 45 degree angle to eliminate Cam Pin wear
  • Weight: 8.57 oz.

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