Aero Precision M4E1 AR-15 Barreled Upper Receiver 5.56x45 NATO 16" Barrel - $403.99 (Free Shipping on $100+ Orders)

Description

Upgrade the performance of your AR15 build with this Aero Precision AR-15 M4E1 Upper Receiver Assembly. You will need to purchase a bolt carrier group and magazine. All other components are standard to the AR15 platform. This upper assembly does not include a BCG or Charging Handle.
Features
Laser engraved T-marks (Anodized only)
Comes assembled, with port door and forward assist installed
Accepts standard AR15/M16 components
Handguard mounting platform is forged into the receiver
Works with Aero Precision handguards but also fits most BAR-system handguards
Built in anti-rotation tabs
Scalloped rails
Continuous top rail
1.78" inside diameter fits most muzzle devices and 1.5" suppressors
Compatible with low profile gas blocks
Product #: 850568
Manufacturer #: APAR640251M7
UPC #: 815421023305