A3 Flat Top Upper Receiver Assembly is fully Mil-Spec with machined M4 feed ramps. Assembled with Forward Assist and Ejection Port Cover.

Finish: Anodized - Black
Fitment: AR-15
Pattern: A3 Flat Top
Type: Forged
Feed Ramps: M4
T-Marks: No
Assembly: Forward Assist / Port Door

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