Aero Precision APAR501603AC Assembled Receiver MultiCaliber 7075T6 Aluminum Black Anodized Receiver for AR15

The AR15 Assembled Upper receiver comes with the port door and forward assist already installed. Forged from 7075T6 aluminum this assembled upper is precision machined to milspec M16M4 specifications and features M4 feedramps. This upper features M4 feedramps .50 takedown pin holes and Laser engraved TMarks. NOTE: Requires charging handle barrel handguard gas block muzzle device gas tube and BCG Bolt Carrier Group to complete.