aero precision m4e1 16" 5.56 nato upper no forward assist 15" m-lok atlas s-one handguard
MSRP: $559.99
2 points
In Stock: 1
sku: APAR712105M7
categories: PARTS

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS S-ONE Handguard is designed with size and weight in mind. Featuring a trimmed down top rail to help minimize weight and overall profile. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

  • M4E1 Threaded Upper Receiver, No Forward Assist
  • 15" ATLAS S-ONE Handguard
  • 16" 5.56 CMV Barrel
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Port Door Assembly
  • A2 Flash Hider
  • This complete upper receiver does not include BCG or Charging Handle.
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Cancer and Reproductive Harm