USED – Aero Precision M4E1 14.5″ 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard

$415.40

Used/Open Box Item: This product is not eligible for return. Click to learn more about used products.

This complete upper comes assembled with Aero’s M4E1 Threaded Assembled Upper Receiver and the ATLAS R-ONE Handguard. Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS R-ONE Handguard of choice
  • 14.5″ 5.56 Mid-Length CMV Barrel
  • Low Profile Gas Block and Mid Length Gas Tube
  • Product comes assembled
  • This complete upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
Black
UPC: SKU: N/A
Finish

Anodized

Firearm Compatibility

Caliber

5.56 NATO / .223 Remington

Barrel Twist

1/7

Size

14.5"

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To ensure your order is shipped same-day, checkout before 1:00 PM Pacific time (4:00 PM Eastern).

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PACKAGE PROTECTION

Milspec Retail offers Premium Shipping Protection by Route as an optional paid service that can be purchased at checkout. Route protects your package in the event of loss, theft, or damage, and will cover 100% of the costs of the order.