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M4E1 Threaded 10" .300 Blackout Complete Upper Receiver w/R-ONE Handguard

BUYING OPTIONS

• $554.99

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This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. 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.

Includes:

M4E1 Threaded Assembled Upper Receiver

ATLAS R-ONE Handguard of choice

10" .300 Blackout CMV Barrel

Low Profile Gas Block and Pistol Length Gas Tube

Product comes assembled

This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab

The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.