Product Features & Specifications

Aero Precision APAR700201C M4E1 Threaded Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized Receiver for AR-15

The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR-15 barrel nut and forged from 7075-T6 aluminum and precision machined to work with all mil-spec AR-15 parts.

The M4E1 features a picatinny profile, M4 feed-ramps, and .250 take-down pin holes. NOTE: Requires dust cover, forward assist, charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.

Brand	Aero Precision
Category	Uppers
Series	Threaded Receiver
Model	M4E1
Caliber	5.56x45mm NATO
Firearm Fit	AR-15
Gun Platform	AR-Style
Sights	Optic Ready
Type	Stripped
Receiver Material	7075-T6 Aluminum
Receiver Finish	Black Anodized
Weight	6.90 oz